{"id":47549,"date":"2023-10-28T17:37:29","date_gmt":"2023-08-03T15:27:07","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8next-js%e5%92%8cstepzen%e8%bf%9b%e8%a1%8c%e5%ae%9e%e6%88%98%ef%bc%8c%e5%bc%80%e5%8f%91graphql%e7%9a%84%e7%8e%b0%e4%bb%a3%e5%8c%96%e5%ba%94%e7%94%a8%e3%80%82\/"},"modified":"2024-05-04T06:27:18","modified_gmt":"2024-05-03T22:27:18","slug":"%e4%bd%bf%e7%94%a8next-js%e5%92%8cstepzen%e8%bf%9b%e8%a1%8c%e5%ae%9e%e6%88%98%ef%bc%8c%e5%bc%80%e5%8f%91graphql%e7%9a%84%e7%8e%b0%e4%bb%a3%e5%8c%96%e5%ba%94%e7%94%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8next-js%e5%92%8cstepzen%e8%bf%9b%e8%a1%8c%e5%ae%9e%e6%88%98%ef%bc%8c%e5%bc%80%e5%8f%91graphql%e7%9a%84%e7%8e%b0%e4%bb%a3%e5%8c%96%e5%ba%94%e7%94%a8%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Next.js\u548cStepZen\u8fdb\u884c\u5b9e\u6218\uff0c\u5f00\u53d1GraphQL\u7684\u73b0\u4ee3\u5316\u5e94\u7528"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528Next.js\u548cStepZen\u6765\u5f00\u53d1\u5f85\u529e\u4e8b\u9879\u5e94\u7528\u7a0b\u5e8f\uff0c\u672c\u8d44\u6599\u65e8\u5728\u63d0\u4f9bGraphQL\u5728\u6784\u5efa\u73b0\u4ee3Web\u5e94\u7528\u7a0b\u5e8f\u65f6\u7684\u65b9\u6cd5\u3002\u5e0c\u671b\u5bf9\u9009\u62e9\u4f7f\u7528GraphQL\u65f6\u7684\u6280\u672f\u9009\u62e9\u63d0\u4f9b\u53c2\u8003\u3002\u5373\u4f7f\u4e0d\u4f7f\u7528StepZen\uff0c\u4e5f\u53ef\u4ee5\u53c2\u8003\u4f7f\u7528Apollo Client\u548cGraphQL Code Generator\u5f00\u53d1Next.js\u5e94\u7528\u7a0b\u5e8f\u7684\u65b9\u6cd5\u3002<\/p>\n<h2>\u76ee\u6807\u4eba\u7fa4<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Web \u30b5\u30fc\u30d3\u30b9\u3092\u8fc5\u901f\u306b\u7acb\u3061\u4e0a\u3052\u305f\u3044\u65b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL \u306b\u3088\u308b\u30e2\u30c0\u30f3\u306a\u30a2\u30d7\u30ea\u958b\u767a\u306b\u95a2\u5fc3\u304c\u3042\u308b\u65b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Web \u30b5\u30fc\u30d3\u30b9\u306e\u6280\u8853\u9078\u5b9a\u3092\u691c\u8a0e\u4e2d\u306e\u65b9<\/ul>\n<h2>\u5148\u51b3\u6761\u4ef6<\/h2>\n<p>\u53c2\u4e0e\u8005\u9700\u8981\u5177\u5907\u57fa\u672c\u7684Web\u5e94\u7528\u5f00\u53d1\u77e5\u8bc6\u3002<\/p>\n<h2>\u8fd9\u4e2a\u5b9e\u64cd\u7684\u5185\u5bb9<\/h2>\n<h3>\u505a\u7684\u4e8b\u60c5 (zu\u00f2 de<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Next.js \u3068 StepZen \u3067\u306e todo \u30a2\u30d7\u30ea\u4f5c\u6210<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">StepZen \u3092\u5229\u7528\u3057\u3066\u306e GraphQL API \u30b5\u30fc\u30d0\u30fc\u306e\u9ad8\u901f\u69cb\u7bc9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL Code Generator \u3067\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b3\u30fc\u30c9\u306e\u81ea\u52d5\u751f\u6210<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Apollo Client \u3092\u4f7f\u7528\u3057\u305f GraphQL \u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5b9f\u88c5<\/ul>\n<h3>\u4e0d\u505a\u7684\u4e8b\u60c5<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">React\/Next.js \u3084 StepZen \u306e\u8a73\u7d30\u8aac\u660e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8a8d\u8a3c\u30fb\u8a8d\u53ef\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u5b9f\u88c5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u5b9f\u88c5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Vercel \u3092\u5229\u7528\u3057\u305f Web \u30a2\u30d7\u30ea\u306e\u30c7\u30d7\u30ed\u30a4<\/ul>\n<p>\u8bf7\u53c2\u8003\u6211\u4e4b\u524d\u5199\u7684\u6587\u7ae0\u5173\u4e8eStepZen\u7684\u4ecb\u7ecd\uff08GraphQL\/StepZen \u624b\u628a\u624b\u6559\u7a0b #1 &#8211; \u77e5\u4e4e\uff09\u3002<\/p>\n<h3>\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f<\/h3>\n<p>\u5b8c\u6210\u6b64\u5b9e\u8df5\u540e\uff0c\u60a8\u5c06\u521b\u5efa\u4e00\u4e2a\u5177\u5907\u4ee5\u4e0b\u529f\u80fd\u7684\u201c\u5f85\u529e\u4e8b\u9879\u201d\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Todo \u4e00\u89a7\u8868\u793a: \u3059\u3079\u3066\u306e todo \u30a2\u30a4\u30c6\u30e0\u3092\u4e00\u89a7\u3067\u304d\u308b\u30da\u30fc\u30b8\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Todo \u8ffd\u52a0\u6a5f\u80fd: \u65b0\u3057\u3044 todo \u30a2\u30a4\u30c6\u30e0\u3092\u8ffd\u52a0\u3067\u304d\u308b\u30d5\u30a9\u30fc\u30e0\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Todo \u7de8\u96c6\u6a5f\u80fd: \u65e2\u5b58\u306e todo \u30a2\u30a4\u30c6\u30e0\u306e\u5b8c\u4e86\u30fb\u672a\u5b8c\u4e86\u3092\u5909\u66f4\u3059\u308b\u6a5f\u80fd\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Todo \u524a\u9664\u6a5f\u80fd: \u4efb\u610f\u306e todo \u30a2\u30a4\u30c6\u30e0\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u30dc\u30bf\u30f3\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u9023\u643a: \u30e6\u30fc\u30b6\u30fc\u304c\u5165\u529b\u3057\u305f todo \u30a2\u30a4\u30c6\u30e0\u306f PostgreSQL \u306b\u4fdd\u5b58\u3055\u308c\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u518d\u8d77\u52d5\u5f8c\u3082\u30c7\u30fc\u30bf\u306f\u7dad\u6301\u3055\u308c\u307e\u3059\u3002<\/ul>\n<h3>\u5b8c\u6210\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u5f62\u8c61<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/16-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u7684 GitHub \u94fe\u63a5\u8bbf\u95ee\u6e90\u4ee3\u7801\uff0c\u8bf7\u53c2\u8003\uff1aoptimisuke\/todoapp-nextjs-stepzen\uff1a\u4f7f\u7528 Next.js \u548c StepZen \u7684\u5f85\u529e\u4e8b\u9879\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<h3>\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/19-0.png\" alt=\"Screenshot 2023-08-21 at 22.03.43.png\" \/><\/div>\n<h3>\u4f7f\u7528\u7684\u6280\u672f\u548c\u670d\u52a1<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u958b\u767a\u8a00\u8a9e\u30fb\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af: Node.js, Next.js, React, TypeScript<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9: PostgreSQL<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c4\u30fc\u30eb &amp; \u30e9\u30a4\u30d6\u30e9\u30ea: GraphQL Code Generator, Apollo Client, MUI<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d3\u30b9: StepZen (RDB \u3084 REST API \u3092 GraphQL API \u306b\u5909\u63db), Neon (PostgreSQL \u306e\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d3\u30b9)<\/ul>\n<h2>\u7b80\u8981\u6d41\u7a0b<\/h2>\n<p>\u6211\u5011\u5c07\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u5be6\u4f5c\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7528Node.js\u5b89\u88c5<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528Next.js\/React\u6784\u5efatodo\u5e94\u7528\u754c\u9762<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528PostgreSQL\/Neon\u6784\u5efatodo\u6570\u636e\u5e93<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528StepZen\u6784\u5efaGraphQL API\u670d\u52a1\u5668<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528GraphQL Code Generator\u81ea\u52a8\u751f\u6210\u5ba2\u6237\u7aef\u4ee3\u7801<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u4eceNext.js\/React\u8c03\u7528GraphQL API<\/ol>\n<h2>\u8be6\u7ec6\u8bf4\u660e\u7684\u6b65\u9aa4<\/h2>\n<h3>1. \u5b89\u88c5 Node.js<\/h3>\n<p>\u8bf7\u4ece\u4ee5\u4e0b\u7f51\u5740\u4e0b\u8f7d\u5b89\u88c5\u7a0b\u5e8f\u5e76\u5b89\u88c5\u3002<\/p>\n<p>\u4e0b\u8f7d | Node.js<\/p>\n<p>\u8fd8\u6709\u5176\u4ed6\u7684\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7528Volta\u6216Homebrew\u8fdb\u884c\u5b89\u88c5\u3002\u8bf7\u6839\u636e\u60a8\u81ea\u5df1\u7684\u73af\u5883\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<h3>\u4f7f\u7528Next.js\/React\u6784\u5efa\u5f85\u529e\u4e8b\u9879\u5e94\u7528\u7a0b\u5e8f\u754c\u9762<\/h3>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Next.js\/React\u6765\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u754c\u9762\u3002\u5728\u8fd9\u91cc\uff0c\u5c1a\u672a\u8c03\u7528\u540e\u7aefAPI\u3002<\/p>\n<p>\u9996\u5148\uff0c\u5728\u5de5\u4f5c\u6587\u4ef6\u5939\u4e2d\u4f7f\u7528create-next-app\u5de5\u5177\u6765\u5efa\u7acb\u73af\u5883\u3002<\/p>\n<pre class=\"post-pre\"><code>npx create-next-app@latest <span class=\"nt\">--typescript<\/span>\r\n<\/code><\/pre>\n<p>\u4f1a\u6709\u4e00\u4e9b\u4e92\u52a8\u95ee\u9898\uff0c\u4f46\u5728\u9ed8\u8ba4\u8bbe\u7f6e\u4e0b\u6ca1\u6709\u95ee\u9898\u3002<br \/>\n\u5728\u5de5\u4f5c\u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3amy-app\u7684\u6587\u4ef6\u5939\uff0c\u5f53\u8fdb\u884c\u524d\u7aef\uff08Next.js \/ React\uff09\u5de5\u4f5c\u65f6\uff0c\u8bf7\u5728my-app\u6587\u4ef6\u5939\u4e2d\u8fd0\u884c\u547d\u4ee4\u3002<br \/>\n\u4e3a\u4e86\u8fdb\u884c\u64cd\u4f5c\u786e\u8ba4\uff0c\u8bf7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">cd <\/span>my-app\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>npm run dev\r\n<\/code><\/pre>\n<p>\u8bf7\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee http:\/\/localhost:3000\/\uff0c\u60a8\u5c06\u770b\u5230\u4ee5\u4e0b\u6837\u5f0f\u7684 Next.js \u521d\u59cb\u754c\u9762\uff0c\u8bf7\u8fdb\u884c\u786e\u8ba4\u3002\u5982\u6709\u9700\u8981\uff0c\u8bf7\u4f7f\u7528 npm run dev \u547d\u4ee4\u5e76\u5728\u9700\u8981\u65f6\u6309\u4e0b Ctrl-C \u7ec8\u6b62\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/38-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u7136\u540e\uff0c\u5b89\u88c5\u6211\u4eec\u672c\u6b21\u8981\u4f7f\u7528\u7684\u8f6f\u4ef6\u5305\u3002<br \/>\n\u4e3b\u8981\u9009\u62e9\u4e86\u4e0e MUI \u76f8\u5173\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code>npm <span class=\"nb\">install<\/span> @mui\/material @emotion\/react @emotion\/styled @mui\/icons-material\r\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u5220\u9664app\u6587\u4ef6\u5939\uff0c\u521b\u5efapages\u6587\u4ef6\u5939\u548ccomponents\u6587\u4ef6\u5939\u3002\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4ee5\u4e0b4\u4e2a\u6587\u4ef6\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">pages\/index.tsx<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">components\/TodoList.tsx<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">components\/TodoInput.tsx<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">components\/TodoItem.tsx<\/ul>\n<p>\u5c31\u56db\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u6765\u8bf4\uff0c\u6211\u4eec\u4ece\u8fd9\u91cc\u5f00\u59cb\u89e3\u91ca\u3002<br \/>\n\u9996\u5148\uff0c\u4f5c\u4e3a\u9876\u5c42\u9875\u9762\uff0c\u5728\u4e0b\u9762\u7684\u6587\u4ef6\u4e2d\u663e\u793a\u6807\u9898\u548c TodoList \u7ec4\u4ef6\u3002<br \/>\n\u6211\u4eec\u4f7f\u7528\u4e86 MUI \u7ec4\u4ef6\u6765\u8c03\u6574\u5916\u89c2\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Typography<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Container<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@mui\/material<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">React<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">react<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">TodoList<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">..\/components\/TodoList<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">IndexPage<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">FC<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">Container<\/span> <span class=\"nx\">maxWidth<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">sm<\/span><span class=\"dl\">\"<\/span><span class=\"o\">&gt;<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">Typography<\/span> <span class=\"nx\">variant<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">h4<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">align<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">center<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">gutterBottom<\/span><span class=\"o\">&gt;<\/span>\r\n        <span class=\"nx\">ToDo<\/span> <span class=\"nx\">List<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"sr\">\/Typography<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">TodoList<\/span> <span class=\"o\">\/&gt;<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/Container<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">IndexPage<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728TodoList\u7ec4\u4ef6\u4e2d\uff0c\u6211\u4eec\u5c06\u5c55\u793aTodoInput\u7ec4\u4ef6\u548cTodoItem\u7ec4\u4ef6\u7684\u5217\u8868\u3002\u53e6\u5916\uff0c\u8fd8\u9700\u4f7f\u7528state\u6765\u7ba1\u7406\u4efb\u52a1\uff0c\u5e76\u7f16\u5199\u6dfb\u52a0\u3001\u590d\u9009\u6846\u5207\u6362\u548c\u5220\u9664\u7684\u51fd\u6570\u3002<br \/>\n\u6dfb\u52a0\u51fd\u6570\u5c06\u4f20\u9012\u7ed9TodoInput\u7ec4\u4ef6\uff0c\u800c\u5207\u6362\u548c\u5220\u9664\u7684\u51fd\u6570\u5c06\u4f20\u9012\u7ed9TodoItem\u7ec4\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">List<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@mui\/material<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useState<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">react<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">TodoItem<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">.\/TodoItem<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">TodoInput<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">.\/TodoInput<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">type<\/span> <span class=\"nx\">Task<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">task<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">completed<\/span><span class=\"p\">:<\/span> <span class=\"nx\">boolean<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">TodoList<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">FC<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">tasks<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setTasks<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">useState<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Task<\/span><span class=\"p\">[]<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">([]);<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">addTask<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"na\">task<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">setTasks<\/span><span class=\"p\">([...<\/span><span class=\"nx\">tasks<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">task<\/span><span class=\"p\">,<\/span> <span class=\"na\">completed<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span> <span class=\"p\">}]);<\/span>\r\n  <span class=\"p\">};<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">toggleTask<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"na\">index<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">newTasks<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[...<\/span><span class=\"nx\">tasks<\/span><span class=\"p\">];<\/span>\r\n    <span class=\"nx\">newTasks<\/span><span class=\"p\">[<\/span><span class=\"nx\">index<\/span><span class=\"p\">].<\/span><span class=\"nx\">completed<\/span> <span class=\"o\">=<\/span> <span class=\"o\">!<\/span><span class=\"nx\">newTasks<\/span><span class=\"p\">[<\/span><span class=\"nx\">index<\/span><span class=\"p\">].<\/span><span class=\"nx\">completed<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">setTasks<\/span><span class=\"p\">(<\/span><span class=\"nx\">newTasks<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">};<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">deleteTask<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"na\">index<\/span><span class=\"p\">:<\/span> <span class=\"kr\">number<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">newTasks<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[...<\/span><span class=\"nx\">tasks<\/span><span class=\"p\">];<\/span>\r\n    <span class=\"nx\">newTasks<\/span><span class=\"p\">.<\/span><span class=\"nf\">splice<\/span><span class=\"p\">(<\/span><span class=\"nx\">index<\/span><span class=\"p\">,<\/span> <span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nf\">setTasks<\/span><span class=\"p\">(<\/span><span class=\"nx\">newTasks<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">};<\/span>\r\n\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span><span class=\"o\">&gt;<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">TodoInput<\/span> <span class=\"nx\">addTask<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">addTask<\/span><span class=\"p\">}<\/span> <span class=\"sr\">\/<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">List<\/span><span class=\"o\">&gt;<\/span>\r\n        <span class=\"p\">{<\/span><span class=\"nx\">tasks<\/span><span class=\"p\">.<\/span><span class=\"nf\">map<\/span><span class=\"p\">((<\/span><span class=\"nx\">task<\/span><span class=\"p\">,<\/span> <span class=\"nx\">index<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">(<\/span>\r\n          <span class=\"o\">&lt;<\/span><span class=\"nx\">TodoItem<\/span>\r\n            <span class=\"nx\">key<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">index<\/span><span class=\"p\">}<\/span>\r\n            <span class=\"nx\">task<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">task<\/span><span class=\"p\">.<\/span><span class=\"nx\">task<\/span><span class=\"p\">}<\/span>\r\n            <span class=\"nx\">completed<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">task<\/span><span class=\"p\">.<\/span><span class=\"nx\">completed<\/span><span class=\"p\">}<\/span>\r\n            <span class=\"nx\">toggleTask<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">toggleTask<\/span><span class=\"p\">(<\/span><span class=\"nx\">index<\/span><span class=\"p\">)}<\/span>\r\n            <span class=\"nx\">deleteTask<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">deleteTask<\/span><span class=\"p\">(<\/span><span class=\"nx\">index<\/span><span class=\"p\">)}<\/span>\r\n          <span class=\"sr\">\/<\/span><span class=\"err\">&gt;\r\n<\/span>        <span class=\"p\">))}<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"sr\">\/List<\/span><span class=\"err\">&gt;\r\n<\/span>    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/div<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">TodoList<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>TodoInput \u7ec4\u4ef6\u4f7f\u7528\u8868\u5355\u6765\u6267\u884c\u6dfb\u52a0\u64cd\u4f5c\u3002\u540c\u65f6\uff0c\u5b83\u5c06\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u4f5c\u4e3a\u72b6\u6001\u8fdb\u884c\u7ba1\u7406\uff0c\u5e76\u8fdb\u884c\u663e\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">TextField<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Button<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Box<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@mui\/material<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useState<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">react<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">type<\/span> <span class=\"nx\">TodoInputProps<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">addTask<\/span><span class=\"p\">:<\/span> <span class=\"p\">(<\/span><span class=\"na\">task<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">void<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">TodoInput<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">FC<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">TodoInputProps<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"p\">({<\/span> <span class=\"nx\">addTask<\/span> <span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">task<\/span><span class=\"p\">,<\/span> <span class=\"nx\">setTask<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useState<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">submitTask<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"na\">e<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">FormEvent<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">e<\/span><span class=\"p\">.<\/span><span class=\"nf\">preventDefault<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">if <\/span><span class=\"p\">(<\/span><span class=\"nx\">task<\/span> <span class=\"o\">===<\/span> <span class=\"dl\">\"\"<\/span><span class=\"p\">)<\/span> <span class=\"k\">return<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">addTask<\/span><span class=\"p\">(<\/span><span class=\"nx\">task<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nf\">setTask<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"\"<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">};<\/span>\r\n\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">form<\/span> <span class=\"nx\">onSubmit<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">submitTask<\/span><span class=\"p\">}<\/span><span class=\"o\">&gt;<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">Box<\/span> <span class=\"nx\">display<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">flex<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">justifyContent<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">center<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">gap<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">10px<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">p<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"mi\">2<\/span><span class=\"p\">}<\/span><span class=\"o\">&gt;<\/span>\r\n        <span class=\"o\">&lt;<\/span><span class=\"nx\">TextField<\/span>\r\n          <span class=\"nx\">label<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">New task<\/span><span class=\"dl\">\"<\/span>\r\n          <span class=\"nx\">variant<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">outlined<\/span><span class=\"dl\">\"<\/span>\r\n          <span class=\"nx\">value<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">task<\/span><span class=\"p\">}<\/span>\r\n          <span class=\"nx\">onChange<\/span><span class=\"o\">=<\/span><span class=\"p\">{(<\/span><span class=\"nx\">e<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">setTask<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">.<\/span><span class=\"nx\">target<\/span><span class=\"p\">.<\/span><span class=\"nx\">value<\/span><span class=\"p\">)}<\/span>\r\n        <span class=\"sr\">\/<\/span><span class=\"err\">&gt;\r\n<\/span>        <span class=\"o\">&lt;<\/span><span class=\"nx\">Button<\/span> <span class=\"kd\">type<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">submit<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">variant<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">contained<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">color<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">primary<\/span><span class=\"dl\">\"<\/span><span class=\"o\">&gt;<\/span>\r\n          <span class=\"nx\">Add<\/span>\r\n        <span class=\"o\">&lt;<\/span><span class=\"sr\">\/Button<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"sr\">\/Box<\/span><span class=\"err\">&gt;\r\n<\/span>    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/form<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">TodoInput<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5728 TodoItem \u7ec4\u4ef6\u4e2d\uff0c\u6211\u4eec\u5c55\u793a\u4e86\u590d\u9009\u6846\u3001todo \u4efb\u52a1\u7684\u6807\u9898\u548c\u5220\u9664\u56fe\u6807\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">ListItem<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">ListItemText<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">IconButton<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">ListItemSecondaryAction<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@mui\/material<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">DeleteIcon<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@mui\/icons-material\/Delete<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">CheckCircleOutlineIcon<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@mui\/icons-material\/CheckCircleOutline<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">RadioButtonUncheckedIcon<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@mui\/icons-material\/RadioButtonUnchecked<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">type<\/span> <span class=\"nx\">TodoItemProps<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">task<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">completed<\/span><span class=\"p\">:<\/span> <span class=\"nx\">boolean<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">toggleTask<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">void<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"nl\">deleteTask<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">void<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">TodoItem<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">FC<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">TodoItemProps<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"p\">({<\/span>\r\n  <span class=\"nx\">task<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">completed<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">toggleTask<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">deleteTask<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">ListItem<\/span><span class=\"o\">&gt;<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">IconButton<\/span> <span class=\"nx\">edge<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">start<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">color<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">inherit<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">onClick<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">toggleTask<\/span><span class=\"p\">}<\/span><span class=\"o\">&gt;<\/span>\r\n        <span class=\"p\">{<\/span><span class=\"nx\">completed<\/span> <span class=\"p\">?<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">CheckCircleOutlineIcon<\/span> <span class=\"o\">\/&gt;<\/span> <span class=\"p\">:<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">RadioButtonUncheckedIcon<\/span> <span class=\"o\">\/&gt;<\/span><span class=\"p\">}<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"sr\">\/IconButton<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">ListItemText<\/span>\r\n        <span class=\"nx\">primary<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">task<\/span><span class=\"p\">}<\/span>\r\n        <span class=\"nx\">style<\/span><span class=\"o\">=<\/span><span class=\"p\">{{<\/span> <span class=\"na\">textDecoration<\/span><span class=\"p\">:<\/span> <span class=\"nx\">completed<\/span> <span class=\"p\">?<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">line-through<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">none<\/span><span class=\"dl\">\"<\/span> <span class=\"p\">}}<\/span>\r\n      <span class=\"sr\">\/<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">ListItemSecondaryAction<\/span><span class=\"o\">&gt;<\/span>\r\n        <span class=\"o\">&lt;<\/span><span class=\"nx\">IconButton<\/span> <span class=\"nx\">edge<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">end<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">color<\/span><span class=\"o\">=<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">inherit<\/span><span class=\"dl\">\"<\/span> <span class=\"nx\">onClick<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">deleteTask<\/span><span class=\"p\">}<\/span><span class=\"o\">&gt;<\/span>\r\n          <span class=\"o\">&lt;<\/span><span class=\"nx\">DeleteIcon<\/span> <span class=\"o\">\/&gt;<\/span>\r\n        <span class=\"o\">&lt;<\/span><span class=\"sr\">\/IconButton<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"sr\">\/ListItemSecondaryAction<\/span><span class=\"err\">&gt;\r\n<\/span>    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/ListItem<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">TodoItem<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u64cd\u4f5c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code>npm run dev\r\n<\/code><\/pre>\n<p>\u5f53\u8fde\u63a5\u5230 http:\/\/localhost:3000 \u65f6\uff0c\u6211\u8ba4\u4e3a\u4f1a\u663e\u793a\u4ee5\u4e0b\u5c4f\u5e55\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/54-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/55-0.png\" alt=\"image.png\" \/><\/div>\n<h3>\u4f7f\u7528PostgreSQL\/Neon\u6784\u5efatodo\u6570\u636e\u5e93\u3002<\/h3>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u5df2\u7ecf\u53ea\u7528\u524d\u7aef\u521b\u5efa\u4e86\u4e00\u4e2a Todo \u5e94\u7528\u7a0b\u5e8f\u3002\u4ece\u4e0b\u4e00\u6b65\u5f00\u59cb\uff0c\u6211\u5c06\u51c6\u5907\u6570\u636e\u5e93\u5e76\u8bbe\u7f6e\u4ee5\u4fbf\u80fd\u591f\u6c38\u4e45\u4fdd\u5b58\u6570\u636e\u3002<\/p>\n<p>Neon \u662f\u4e00\u4e2a\u9488\u5bf9 PostgreSQL \u7684\u6258\u7ba1\u670d\u52a1\u3002\u867d\u7136\u6709\u4e00\u4e9b\u9650\u5236\uff0c\u4f46\u5728\u514d\u8d39\u989d\u5ea6\u4e0b\u975e\u5e38\u5bb9\u6613\u4f7f\u7528\u3002<\/p>\n<p>\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u9010\u6b65\u521b\u5efa\u6570\u636e\u5e93\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/60-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/61-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/62-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/63-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/64-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/65-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/66-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u4f7f\u7528\u4e0b\u9762\u7684 SQL \u521b\u5efa\u8868\u3002\u5c06 SQL \u590d\u5236\u5230\u4e4b\u524d\u7684 SQL \u7f16\u8f91\u5668\u753b\u9762\u4e0a\uff0c\u5e76\u6309\u4e0b Run \u6309\u94ae\u6267\u884c SQL\u3002<br \/>\n\u8fd9\u6b21\uff0c\u8868\u53ea\u5305\u542b\u57fa\u672c\u4fe1\u606f\u3002\u540c\u65f6\uff0c\u6211\u4eec\u51b3\u5b9a\u4f7f\u7528 UUID \u4f5c\u4e3a id\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">CREATE<\/span> <span class=\"n\">EXTENSION<\/span> <span class=\"n\">IF<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">EXISTS<\/span> <span class=\"nv\">\"uuid-ossp\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">todos<\/span> <span class=\"p\">(<\/span>\r\n  <span class=\"n\">id<\/span> <span class=\"n\">UUID<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"n\">uuid_generate_v4<\/span><span class=\"p\">()<\/span> <span class=\"k\">PRIMARY<\/span> <span class=\"k\">KEY<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"n\">title<\/span> <span class=\"nb\">VARCHAR<\/span><span class=\"p\">(<\/span><span class=\"mi\">255<\/span><span class=\"p\">)<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"n\">completed<\/span> <span class=\"nb\">BOOLEAN<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">false<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"n\">created_at<\/span> <span class=\"nb\">TIMESTAMP<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">CURRENT_TIMESTAMP<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"n\">updated_at<\/span> <span class=\"nb\">TIMESTAMP<\/span> <span class=\"k\">DEFAULT<\/span> <span class=\"k\">CURRENT_TIMESTAMP<\/span> <span class=\"k\">NOT<\/span> <span class=\"k\">NULL<\/span>\r\n<span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u7a0d\u540e\uff0c\u4e3a\u4e86\u786e\u8ba4\u8868\u4e2d\u7684\u5185\u5bb9\uff0c\u4e5f\u4f1a\u5c06\u6570\u636e\u5b58\u5165\u3002\u4e0e\u4e4b\u524d\u4e00\u6837\uff0c\u5c06\u4f7f\u7528SQL\u7f16\u8f91\u5668\u6267\u884c\u4ee5\u4e0bSQL\u8bed\u53e5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">INSERT<\/span> <span class=\"k\">INTO<\/span> <span class=\"n\">todos<\/span> <span class=\"p\">(<\/span><span class=\"n\">title<\/span><span class=\"p\">,<\/span> <span class=\"n\">completed<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">VALUES<\/span> <span class=\"p\">(<\/span><span class=\"s1\">'\u65b0\u3057\u3044ToDo'<\/span><span class=\"p\">,<\/span> <span class=\"k\">false<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u53e6\u5916\uff0c\u6211\u4eec\u5c06\u6ce8\u518c\u89e6\u53d1\u5668\uff0c\u4ee5\u4fbf\u81ea\u52a8\u66f4\u65b0 update_at\u3002<br \/>\n\u867d\u7136\u6709\u51e0\u4e2a\u9009\u9879\u53ef\u4ee5\u5728\u4f55\u5904\u751f\u6210 update_at \u7684\u503c\uff0c\u4f46\u7531\u4e8e\u540e\u7aef\u670d\u52a1\u5668\uff08API\u670d\u52a1\u5668\uff09\u5728 StepZen \u4e0a\u81ea\u52a8\u751f\u6210\u903b\u8f91\u4e0d\u592a\u5bb9\u6613\uff0c\u800c\u4e14\u524d\u7aef\uff08\u5ba2\u6237\u7aef\uff09\u53ef\u80fd\u4f9d\u8d56\u4e8e\u7528\u6237\u73af\u5883\uff0c\u56e0\u6b64\u6211\u4eec\u51b3\u5b9a\u5728\u6570\u636e\u5e93\u4e2d\u8fdb\u884c\u66f4\u65b0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">CREATE<\/span> <span class=\"k\">OR<\/span> <span class=\"k\">REPLACE<\/span> <span class=\"k\">FUNCTION<\/span> <span class=\"n\">update_updated_at_column<\/span><span class=\"p\">()<\/span>\r\n<span class=\"k\">RETURNS<\/span> <span class=\"k\">TRIGGER<\/span> <span class=\"k\">AS<\/span> <span class=\"err\">$$<\/span>\r\n<span class=\"k\">BEGIN<\/span>\r\n    <span class=\"k\">NEW<\/span><span class=\"p\">.<\/span><span class=\"n\">updated_at<\/span> <span class=\"o\">=<\/span> <span class=\"n\">NOW<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">RETURN<\/span> <span class=\"k\">NEW<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">END<\/span><span class=\"p\">;<\/span>\r\n<span class=\"err\">$$<\/span> <span class=\"k\">LANGUAGE<\/span> <span class=\"n\">plpgsql<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">TRIGGER<\/span> <span class=\"n\">trigger_name_before_update<\/span>\r\n<span class=\"k\">BEFORE<\/span> <span class=\"k\">UPDATE<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">todos<\/span>\r\n<span class=\"k\">FOR<\/span> <span class=\"k\">EACH<\/span> <span class=\"k\">ROW<\/span>\r\n<span class=\"k\">EXECUTE<\/span> <span class=\"k\">FUNCTION<\/span> <span class=\"n\">update_updated_at_column<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/73-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u73b0\u5728\uff0c\u6570\u636e\u5e93\u7684\u6784\u5efa\u5df2\u7ecf\u5b8c\u6210\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528StepZen\u6765\u5c06\u6570\u636e\u5e93\u8f6c\u5316\u4e3aGraphQL API\u3002<\/p>\n<h3>\u4f7f\u7528StepZen\u6784\u5efaGraphQL API\u670d\u52a1\u5668\u3002<\/h3>\n<p>StepZen\u662f\u4e00\u9879\u80fd\u591f\u5c06\u6570\u636e\u5e93\u7b49\u7b80\u5355\u90e8\u7f72\u4e3aGraphQL API\u670d\u52a1\u5668\u7684\u4e91\u670d\u52a1\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6d4f\u89c8\u5668\u4e0a\u7684\u4eea\u8868\u677f\u548c\u547d\u4ee4\u884c\u754c\u9762\u6765\u8fdb\u884c\u64cd\u4f5c\u3002\u9996\u5148\u9700\u8981\u521b\u5efa\u8d26\u53f7\u5e76\u5b89\u88c5\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u7136\u540e\u4f7f\u7528\u547d\u4ee4\u884c\u6765\u6784\u5efaGraphQL API\u670d\u52a1\u5668\u3002<\/p>\n<p>\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u8bbf\u95eeStepZen\u7684\u5b98\u65b9\u7f51\u7ad9\u5e76\u521b\u5efa\u4e00\u4e2a\u8d26\u6237\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/78-1.png\" alt=\"image.png\" \/><\/div>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5b89\u88c5StepZen CLI\u3002<br \/>\n\u7136\u540e\uff0c\u5728Next.js\/React\u7684my-app\u6587\u4ef6\u5939\u65c1\u8fb9\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aapi\u7684\u6587\u4ef6\u5939\uff0c\u5e76\u5728\u5176\u4e2d\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">mkdir <\/span>api\r\n<span class=\"nb\">cd <\/span>api\r\n<\/code><\/pre>\n<p>\u4f7f\u7528StepZen CLI\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u4ece\u672c\u5730\u8ba1\u7b97\u673a\u8bbf\u95eeStepZen\u670d\u52a1\u3002\u8981\u5b89\u88c5CLI\uff0c\u8bf7\u8fd0\u884c\u4ee5\u4e0bnpm\u547d\u4ee4\uff08\u5047\u8bbe\u5df2\u5b89\u88c5Node.js\uff09\u3002\u6dfb\u52a0-g\u53c2\u6570\u4ee5\u8fdb\u884c\u5168\u5c40\u5b89\u88c5\uff0c\u5b89\u88c5\u547d\u4ee4\u53ef\u5728\u4efb\u4f55\u4f4d\u7f6e\u8fd0\u884c\uff0c\u4e0d\u4f1a\u6709\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code>npm <span class=\"nb\">install<\/span> <span class=\"nt\">-g<\/span> stepzen\r\n<\/code><\/pre>\n<p>\u5982\u679c\u53d1\u751f\u5305\u542b&#8221;permission denied&#8221;\u9519\u8bef\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u8003\u8651\u662f\u6587\u4ef6\u5939\u6743\u9650\u95ee\u9898\u3002\u8bf7\u5c1d\u8bd5\u4f7f\u7528&#8221;sudo npm install -g stepzen&#8221;\u547d\u4ee4\u6765\u89e3\u51b3\u3002<\/p>\n<p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u767b\u5f55\u5230StepZen\u3002\u767b\u5f55\u547d\u4ee4\u53ef\u4ee5\u5728\u4efb\u4f55\u4f4d\u7f6e\u6267\u884c\uff0c\u4e0d\u4f1a\u6709\u4efb\u4f55\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code>stepzen login\r\n<\/code><\/pre>\n<p>\u8bf7\u5728\u4e0b\u9762\u7684\u63d0\u793a\u6846\u4e2d\u8f93\u5165StepZen\u4eea\u8868\u677f\u7684\u5bc6\u94a5\u56fe\u6807\u4e2d\u83b7\u53d6\u7684\u8d26\u6237\u540d\u79f0\u548c\u7ba1\u7406\u5458\u5bc6\u94a5\u3002<\/p>\n<pre class=\"post-pre\"><code>What is your account name?: ACCOUNT_NAME\r\nWhat is your admin key?: ADMIN_KEY\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/88-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u901a\u8fc7\u8fd9\u4e00\u6b65\u9aa4\uff0cStepZen\u7684\u8bbe\u7f6e\u5df2\u7ecf\u5b8c\u6210\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u751f\u6210GraphQL\u6a21\u5f0f\u548c\u7528\u4e8eStepZen\u6784\u5efa\u7684\u914d\u7f6e\u6587\u4ef6\u3002\u8bf7\u5728\u521b\u5efa\u7684\u540d\u4e3aapi\u7684StepZen\u6587\u4ef6\u5939\u5185\u6267\u884c\u8be5\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>stepzen import postgresql\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u8981\u6309\u7167\u4ee5\u4e0b\u5bf9\u8bdd\u8981\u6c42\u8f93\u5165\u5fc5\u8981\u7684\u9879\u76ee\u3002<br \/>\n\u6211\u4eec\u5c06\u8f93\u5165StepZen\u7684\u7528\u6237\u4fe1\u606f\u548c\u7ec8\u7aef\u70b9\u540d\u79f0\uff0c\u4ee5\u53ca\u5728Neon\u4e2d\u786e\u8ba4\u7684\u8fde\u63a5\u4fe1\u606f\u3002\u5728Neon\u4e2d\uff0c\u8fde\u63a5\u4fe1\u606f\u88ab\u8bb0\u8f7d\u4e3apostgres:\/\/username:password@host\/databasename\uff0c\u6240\u4ee5\u8bf7\u5c06username\u3001password\u3001host\u3001databasename\u590d\u5236\u5230\u95ee\u9898\u4e2d\uff0c\u5e76\u586b\u5199\u6bcf\u4e2a\u4fe1\u606f\u3002<br \/>\n\u53e6\u5916\uff0c\u5c06\u95ee\u9898\u6709\u5173\u67b6\u6784\u7684\u56de\u7b54\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u7684&#8221;default&#8221;\uff0c\u6700\u540e\u4e00\u4e2a\u95ee\u9898\u7684\u56de\u7b54\u8bbe\u7f6e\u4e3a&#8221;Yes&#8221;\uff0c\u6211\u4eec\u8f93\u5165&#8221;y&#8221;\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>stepzen import postgresql\r\n? What would you like your endpoint to be called? api\/todos\r\n\r\nstepzen import postgresql - introspect a PostgreSQL database and extend your GraphQL schema with the types, queries and mutations <span class=\"k\">for <\/span>accessing it through a StepZen API.\r\n\r\n? What is your host? xxx.example.com\r\n? What is the username? optimisuke\r\n? What is the password? <span class=\"o\">[<\/span>hidden]\r\n? What is your database name? neondb\r\n? What is your database schema <span class=\"o\">(<\/span>leave blank to use defaults<span class=\"o\">)<\/span>?\r\n? Automatically <span class=\"nb\">link <\/span>types based on foreign key relationships using @materializer\r\n <span class=\"o\">(<\/span>https:\/\/stepzen.com\/docs\/features\/linking-types<span class=\"o\">)<\/span> Yes\r\nStarting... <span class=\"k\">done\r\n<\/span>Successfully imported postgresql data <span class=\"nb\">source <\/span>into your GraphQL schema\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5bf9postgresql\/index.graphql\u8fdb\u884c\u4fee\u6539\u3002<br \/>\n\u6211\u4eec\u5c06\u5bf9\u63d2\u5165\u64cd\u4f5c\u8fdb\u884c\u4fee\u6539\uff0c\u4f7fid\u548cupdate_at\u4e0d\u518d\u5fc5\u9700\u3002<br \/>\ntitle\u9879\u88ab\u8bbe\u4e3a\u5fc5\u9700\uff0c\u800ccompleted\u9879\u5219\u662f\u53ef\u9009\u7684\u3002<br \/>\n\u6211\u4eec\u8003\u8651\u4e86completed\u9879\u4e0d\u5b58\u5728\u7684\u60c5\u51b5\uff0c\u5e76\u4f7f\u7528\u4e86SQL\u51fd\u6570COALESCE\u3002<br \/>\n\u4ee5\u4e0b\u662f\u4fee\u6539\u524d\u540e\u7684\u6458\u5f55\u90e8\u5206\u3002<\/p>\n<p>\u5728\u539f\u6709\u7684\u53d8\u5f02\u5468\u56f4\uff08\u7b2c54\u884c\uff0c\u7c7b\u578b\u4e3aMutation\u7684\u4e2d\u95f4\u90e8\u5206\uff09<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"err\">insertTodos(<\/span>\r\n    <span class=\"err\">id:<\/span> <span class=\"err\">ID<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">completed:<\/span> <span class=\"err\">Boolean<\/span>\r\n    <span class=\"err\">created_at:<\/span> <span class=\"err\">DateTime<\/span>\r\n    <span class=\"err\">title:<\/span> <span class=\"err\">String<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">updated_at:<\/span> <span class=\"err\">DateTime<\/span>\r\n  <span class=\"err\">):<\/span> <span class=\"err\">Todos<\/span>\r\n    <span class=\"err\">@db<\/span><span class=\"k\">query<\/span><span class=\"p\">(<\/span>\r\n      <span class=\"n\">type<\/span><span class=\"p\">:<\/span> <span class=\"err\">\"<\/span><span class=\"n\">postgresql<\/span><span class=\"err\">\"<\/span>\r\n      <span class=\"n\">schema<\/span><span class=\"p\">:<\/span> <span class=\"err\">\"<\/span><span class=\"n\">public<\/span><span class=\"err\">\"<\/span>\r\n      <span class=\"n\">table<\/span><span class=\"p\">:<\/span> <span class=\"err\">\"<\/span><span class=\"n\">todos<\/span><span class=\"err\">\"<\/span>\r\n      <span class=\"n\">dml<\/span><span class=\"p\">:<\/span> <span class=\"n\">INSERT<\/span>\r\n      <span class=\"n\">configuration<\/span><span class=\"p\">:<\/span> <span class=\"err\">\"<\/span><span class=\"n\">postgresql_config<\/span><span class=\"err\">\"<\/span>\r\n    <span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6539\u52a8\u540e<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"err\">insertTodos(title:<\/span> <span class=\"err\">String<\/span><span class=\"p\">!,<\/span> <span class=\"err\">completed:<\/span> <span class=\"err\">Boolean):<\/span> <span class=\"err\">Todos<\/span>\r\n    <span class=\"err\">@db<\/span><span class=\"k\">query<\/span><span class=\"p\">(<\/span>\r\n      <span class=\"n\">type<\/span><span class=\"p\">:<\/span> <span class=\"err\">\"<\/span><span class=\"n\">postgresql<\/span><span class=\"err\">\"<\/span>\r\n      <span class=\"n\">schema<\/span><span class=\"p\">:<\/span> <span class=\"err\">\"<\/span><span class=\"n\">public<\/span><span class=\"err\">\"<\/span>\r\n      <span class=\"n\">query<\/span><span class=\"p\">:<\/span> <span class=\"err\">\"\"\"<\/span>\r\n      <span class=\"n\">INSERT<\/span> <span class=\"n\">INTO<\/span> <span class=\"n\">todos<\/span> <span class=\"err\">(<\/span><span class=\"n\">title<\/span><span class=\"p\">,<\/span> <span class=\"n\">completed<\/span><span class=\"p\">)<\/span> <span class=\"n\">VALUES<\/span> <span class=\"p\">(<\/span>\r\n        <span class=\"err\">$1<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">COALESCE<\/span><span class=\"err\">($2<\/span><span class=\"p\">,<\/span> <span class=\"n\">false<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"err\">)<\/span>\r\n      <span class=\"n\">RETURNING<\/span> <span class=\"err\">*<\/span>\r\n      <span class=\"err\">\"\"\"<\/span>\r\n      <span class=\"n\">configuration<\/span><span class=\"err\">:<\/span> <span class=\"err\">\"<\/span><span class=\"n\">postgresql_config<\/span><span class=\"err\">\"<\/span>\r\n    <span class=\"err\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u51c6\u5907\u597d\u540e\uff0c\u8bf7\u5728api\u6587\u4ef6\u5939\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u90e8\u7f72\u3002<\/p>\n<pre class=\"post-pre\"><code>stepzen start\r\n<\/code><\/pre>\n<p>\u6bcf\u6b21\u5728\u4fee\u6539\u4fdd\u5b58\u6a21\u5f0f\u4e0b\u6267\u884c\u90e8\u7f72\u7684\u547d\u4ee4\u3002\u5982\u6709\u9700\u8981\uff0c\u8bf7\u4f7f\u7528Ctrl-C\u505c\u6b62\u3002\u60a8\u53ef\u4ee5\u5728StepZen\u4eea\u8868\u677f\u7684\u8d44\u6e90\u7ba1\u7406\u5668\u754c\u9762\u4e0a\u786e\u8ba4\u5df2\u521b\u5efa\u6307\u5b9a\u6a21\u5f0f\u7684API\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/102-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u73b0\u5728\uff0cGraphQL API\u5df2\u7ecf\u6784\u5efa\u5b8c\u6210\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u4fee\u6539\u5ba2\u6237\u7aef\u7684Next.js\/React\u4ee3\u7801\u6765\u5b9e\u73b0\u8c03\u7528GraphQL API\u7684\u529f\u80fd\u3002<\/p>\n<h3>\u4f7f\u7528GraphQL Code Generator\u751f\u6210\u5ba2\u6237\u7aef\u4ee3\u7801\u3002<\/h3>\n<p>\u51c6\u5907\u83b7\u53d6\u6240\u9700\u6570\u636e\u7684\u67e5\u8be2\uff0c\u5e76\u4f7f\u7528GraphQL Code Generator\u751f\u6210\u5ba2\u6237\u7aef\u4ee3\u7801\u3002<\/p>\n<p>\u5728\u63a5\u4e0b\u6765\u7684\u6b65\u9aa4\u4e2d\uff0c\u6211\u4eec\u5c06\u8fdb\u5165\u7b2c\u4e8c\u7ae0\u4e2d\u521b\u5efa\u7684my-app\u6587\u4ef6\u5939\uff0c\u5e76\u5f00\u59cb\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">cd <\/span>my-app\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u60a8\u5728StepZen\u4eea\u8868\u677f\u4e0a\u8fdb\u884c\u64cd\u4f5c\u5e76\u51c6\u5907\u67e5\u8be2\u3002<br \/>\n\u521b\u5efa\u4e00\u4e2a\u6267\u884cCRUD\u64cd\u4f5c\u7684\u67e5\u8be2\uff0c\u5c06\u6587\u4ef6\u653e\u5728\u5728\u7b2c2\u7ae0\u4e2d\u521b\u5efa\u7684my-app\u6587\u4ef6\u5939\u7684components\u6587\u4ef6\u5939\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"n\">getTodos<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">todosList<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">id<\/span>\r\n    <span class=\"n\">title<\/span>\r\n    <span class=\"n\">completed<\/span>\r\n    <span class=\"n\">created_at<\/span>\r\n    <span class=\"n\">updated_at<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">mutation<\/span> <span class=\"n\">updateTodo<\/span><span class=\"p\">(<\/span><span class=\"nv\">$id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!,<\/span> <span class=\"nv\">$completed<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Boolean<\/span><span class=\"p\">,<\/span> <span class=\"nv\">$title<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">updateTodos<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$id<\/span><span class=\"p\">,<\/span> <span class=\"n\">completed<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$completed<\/span><span class=\"p\">,<\/span> <span class=\"n\">title<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$title<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">completed<\/span>\r\n    <span class=\"n\">created_at<\/span>\r\n    <span class=\"n\">id<\/span>\r\n    <span class=\"n\">title<\/span>\r\n    <span class=\"n\">updated_at<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">mutation<\/span> <span class=\"n\">insertTodo<\/span><span class=\"p\">(<\/span><span class=\"nv\">$title<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!,<\/span> <span class=\"nv\">$completed<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Boolean<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">insertTodos<\/span><span class=\"p\">(<\/span><span class=\"n\">title<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$title<\/span><span class=\"p\">,<\/span> <span class=\"n\">completed<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$completed<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">completed<\/span>\r\n    <span class=\"n\">created_at<\/span>\r\n    <span class=\"n\">id<\/span>\r\n    <span class=\"n\">title<\/span>\r\n    <span class=\"n\">updated_at<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">mutation<\/span> <span class=\"n\">deleteTodo<\/span><span class=\"p\">(<\/span><span class=\"nv\">$id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">deleteTodos<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$id<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">completed<\/span>\r\n    <span class=\"n\">created_at<\/span>\r\n    <span class=\"n\">id<\/span>\r\n    <span class=\"n\">title<\/span>\r\n    <span class=\"n\">updated_at<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e0b\u4e00\u6b65\u662f\u5b89\u88c5GraphQL Code Generator\u6240\u9700\u7684\u4e1c\u897f\u3002<\/p>\n<pre class=\"post-pre\"><code>npm <span class=\"nb\">install <\/span>graphql @graphql-codegen\/client-preset\r\nnpm i <span class=\"nt\">-D<\/span> @graphql-codegen\/cli\r\n<\/code><\/pre>\n<p>\u51c6\u5907\u8bbe\u7f6e\u6587\u4ef6\u3002\u6839\u636e\u67e5\u8be2\u7684.graphql\u6587\u4ef6\u548cStepZen\u4e0a\u7684\u6a21\u5f0f\u6587\u4ef6\uff0c\u751f\u6210\u5305\u542b\u7c7b\u578b\u4fe1\u606f\u7b49\u4ee3\u7801\u7684.\/src\/gql\/\u6587\u4ef6\u5939\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">CodegenConfig<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@graphql-codegen\/cli<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"o\">*<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">dotenv<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">dotenv<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nx\">dotenv<\/span><span class=\"p\">.<\/span><span class=\"nf\">config<\/span><span class=\"p\">();<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">apiKey<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">env<\/span><span class=\"p\">.<\/span><span class=\"nx\">NEXT_PUBLIC_API_KEY<\/span> <span class=\"o\">||<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">invalid-api-key<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">uri<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">env<\/span><span class=\"p\">.<\/span><span class=\"nx\">NEXT_PUBLIC_API_URI<\/span> <span class=\"o\">||<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">invalid-api-uri<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">config<\/span><span class=\"p\">:<\/span> <span class=\"nx\">CodegenConfig<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">schema<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"p\">[<\/span><span class=\"nx\">uri<\/span><span class=\"p\">]:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">headers<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"na\">Authorization<\/span><span class=\"p\">:<\/span> <span class=\"s2\">`Apikey <\/span><span class=\"p\">${<\/span><span class=\"nx\">apiKey<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"p\">},<\/span>\r\n      <span class=\"p\">},<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">],<\/span>\r\n  <span class=\"na\">documents<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">.\/**\/*.graphql<\/span><span class=\"dl\">\"<\/span><span class=\"p\">],<\/span>\r\n  <span class=\"na\">ignoreNoDocuments<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ for better experience with the watcher<\/span>\r\n  <span class=\"na\">generates<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"dl\">\"<\/span><span class=\"s2\">.\/src\/gql\/<\/span><span class=\"dl\">\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">preset<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">client<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">},<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">config<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u5c06\u4ee5\u4e0b\u5185\u5bb9\u5199\u5165.env\u6587\u4ef6\u4e2d\uff0c\u5305\u62ec\u7684\u662f\u6a21\u5f0f\u7684URL\u548cAPI\u5bc6\u94a5\u3002<\/p>\n<pre class=\"post-pre\"><code>NEXT_PUBLIC_API_URI=https:\/\/xxx.stepzen.net\/api\/todos\/__graphql\r\nNEXT_PUBLIC_API_KEY=xxx::stepzen.net+1000::yyy\r\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u4eceStepZen\u7684\u4e0b\u9762\u754c\u9762\u83b7\u53d6API\u5bc6\u94a5\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/117-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/118-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5c06\u81ea\u52a8\u751f\u6210\u547d\u4ee4\u7684\u5feb\u6377\u65b9\u5f0f\u6dfb\u52a0\u5230package.json\u7684scripts\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"nl\">\"scripts\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"dev\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"next dev\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"build\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"next build\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"start\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"next start\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"lint\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"next lint\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"codegen\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"graphql-codegen-esm --config codegen.ts\"<\/span>\r\n  <span class=\"p\">}<\/span><span class=\"err\">,<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u81ea\u52a8\u751f\u6210\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code>npm run codegen\r\n<\/code><\/pre>\n<p>\u786e\u8ba4\u5728my-app\/src\/gql\/\u4e2d\u751f\u6210\u4e86\u4ee3\u7801\u3002<\/p>\n<h3>6. \u4f7f\u7528 Next.js\/React \u53d1\u8d77 GraphQL API \u8c03\u7528<\/h3>\n<p>\u4f7f\u7528\u4ece Next.js\/React \u4ee3\u7801\u81ea\u52a8\u751f\u6210\u7684\u5ba2\u6237\u7aef\uff0c\u8c03\u7528\u4f7f\u7528 StepZen \u6784\u5efa\u7684 GraphQL API\u3002<\/p>\n<p>\u5148\u5b89\u88c5\u6240\u9700\u7684\u8f6f\u4ef6\u5305\u3002<\/p>\n<pre class=\"post-pre\"><code>npm <span class=\"nb\">install<\/span> @apollo\/client\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u5c06\u6dfb\u52a0\u4e00\u4e2apages\/_app.tsx\u6587\u4ef6\uff0c\u5e76\u5728\u5176\u4e2d\u6dfb\u52a0Apollo Client\uff0c\u4ee5\u4fbf\u80fd\u591f\u4f7f\u7528\u5b83\u3002<br \/>\nAPI\u5bc6\u94a5\u548cGraphQL API\u7684\u6a21\u5f0fURI\u5c06\u4ece.env\u6587\u4ef6\u4e2d\u83b7\u53d6\uff0c\u4e0econgen.ts\u76f8\u540c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">ApolloProvider<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@apollo\/client<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">AppProps<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">next\/app<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">ApolloClient<\/span><span class=\"p\">,<\/span> <span class=\"nx\">HttpLink<\/span><span class=\"p\">,<\/span> <span class=\"nx\">InMemoryCache<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@apollo\/client<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">setContext<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@apollo\/client\/link\/context<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">apiKey<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">env<\/span><span class=\"p\">.<\/span><span class=\"nx\">NEXT_PUBLIC_API_KEY<\/span> <span class=\"o\">||<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">invalid-api-key<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">uri<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">process<\/span><span class=\"p\">.<\/span><span class=\"nx\">env<\/span><span class=\"p\">.<\/span><span class=\"nx\">NEXT_PUBLIC_API_URI<\/span> <span class=\"o\">||<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">invalid-api-uri<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">httpLink<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">HttpLink<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">uri<\/span><span class=\"p\">:<\/span> <span class=\"nx\">uri<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">});<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">authLink<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">setContext<\/span><span class=\"p\">((<\/span><span class=\"nx\">_<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">headers<\/span> <span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">headers<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"p\">...<\/span><span class=\"nx\">headers<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"na\">authorization<\/span><span class=\"p\">:<\/span> <span class=\"s2\">`Apikey <\/span><span class=\"p\">${<\/span><span class=\"nx\">apiKey<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">};<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">apolloClient<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ApolloClient<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">cache<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">InMemoryCache<\/span><span class=\"p\">(),<\/span>\r\n  <span class=\"na\">link<\/span><span class=\"p\">:<\/span> <span class=\"nx\">authLink<\/span><span class=\"p\">.<\/span><span class=\"nf\">concat<\/span><span class=\"p\">(<\/span><span class=\"nx\">httpLink<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<span class=\"kd\">function<\/span> <span class=\"nf\">MyApp<\/span><span class=\"p\">({<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">pageProps<\/span> <span class=\"p\">}:<\/span> <span class=\"nx\">AppProps<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">ApolloProvider<\/span> <span class=\"nx\">client<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">apolloClient<\/span><span class=\"p\">}<\/span><span class=\"o\">&gt;<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">Component<\/span> <span class=\"p\">{...<\/span><span class=\"nx\">pageProps<\/span><span class=\"p\">}<\/span> <span class=\"sr\">\/<\/span><span class=\"err\">&gt;\r\n<\/span>    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/ApolloProvider<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">MyApp<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u53e6\u5916\uff0c\u6211\u4eec\u5c06\u5bf9 TodoList.tsx \u8fdb\u884c\u5982\u4e0b\u66f4\u6539\u3002\u4f7f\u7528 @apollo\/client \u7684 useQuery \u548c useMutation \u6765\u8bbf\u95ee GraphQL API\uff0c\u540c\u65f6\u6307\u5b9a\u7531 GraphQL Code Generator \u751f\u6210\u7684\u5bf9\u8c61\u4f5c\u4e3a\u53c2\u6570\u3002\u6b64\u5916\uff0c\u5728\u6dfb\u52a0\u3001\u4fee\u6539\u548c\u5220\u9664\u65f6\uff0c\u6211\u4eec\u8c03\u7528 update \u51fd\u6570\u6765\u66f4\u65b0\u4ece\u67e5\u8be2\u4e2d\u83b7\u53d6\u7684 todo \u6570\u7ec4\u7684\u7f13\u5b58\u3002\u8fd9\u6bb5\u4ee3\u7801\u53ef\u80fd\u770b\u8d77\u6765\u6709\u70b9\u590d\u6742\uff0c\u4f46\u8bf7\u53c2\u8003 Apollo \u7684\u5b98\u65b9\u6587\u6863\uff08Apollo GraphQL Docs\uff09\u8fdb\u884c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">List<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@mui\/material<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">React<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">react<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">TodoItem<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">.\/TodoItem<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">TodoInput<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">.\/TodoInput<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">useMutation<\/span><span class=\"p\">,<\/span> <span class=\"nx\">useQuery<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@apollo\/client<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">DeleteTodoDocument<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">GetTodosDocument<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">InsertTodoDocument<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">UpdateTodoDocument<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">@\/src\/gql\/graphql<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">TodoList<\/span><span class=\"p\">:<\/span> <span class=\"nx\">React<\/span><span class=\"p\">.<\/span><span class=\"nx\">FC<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">data<\/span><span class=\"p\">,<\/span> <span class=\"nx\">loading<\/span><span class=\"p\">,<\/span> <span class=\"nx\">error<\/span> <span class=\"p\">}<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useQuery<\/span><span class=\"p\">(<\/span><span class=\"nx\">GetTodosDocument<\/span><span class=\"p\">);<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">insertTodo<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useMutation<\/span><span class=\"p\">(<\/span><span class=\"nx\">InsertTodoDocument<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">update<\/span><span class=\"p\">(<\/span><span class=\"nx\">cache<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">data<\/span> <span class=\"p\">})<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"kd\">const<\/span> <span class=\"nx\">existingData<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">readQuery<\/span><span class=\"p\">({<\/span> <span class=\"na\">query<\/span><span class=\"p\">:<\/span> <span class=\"nx\">GetTodosDocument<\/span> <span class=\"p\">});<\/span>\r\n      <span class=\"nx\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">writeQuery<\/span><span class=\"p\">({<\/span>\r\n        <span class=\"na\">query<\/span><span class=\"p\">:<\/span> <span class=\"nx\">GetTodosDocument<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"na\">data<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"na\">todosList<\/span><span class=\"p\">:<\/span> <span class=\"p\">[...<\/span><span class=\"nx\">existingData<\/span><span class=\"p\">?.<\/span><span class=\"nx\">todosList<\/span><span class=\"o\">!<\/span><span class=\"p\">,<\/span> <span class=\"nx\">data<\/span><span class=\"p\">?.<\/span><span class=\"nx\">insertTodos<\/span><span class=\"o\">!<\/span><span class=\"p\">],<\/span>\r\n        <span class=\"p\">},<\/span>\r\n      <span class=\"p\">});<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">});<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">addTask<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"na\">task<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">insertTodo<\/span><span class=\"p\">({<\/span> <span class=\"na\">variables<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">title<\/span><span class=\"p\">:<\/span> <span class=\"nx\">task<\/span> <span class=\"p\">}<\/span> <span class=\"p\">});<\/span>\r\n  <span class=\"p\">};<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">updateTodo<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useMutation<\/span><span class=\"p\">(<\/span><span class=\"nx\">UpdateTodoDocument<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">update<\/span><span class=\"p\">(<\/span><span class=\"nx\">cache<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">data<\/span> <span class=\"p\">})<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"kd\">const<\/span> <span class=\"nx\">existingData<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">readQuery<\/span><span class=\"p\">({<\/span> <span class=\"na\">query<\/span><span class=\"p\">:<\/span> <span class=\"nx\">GetTodosDocument<\/span> <span class=\"p\">});<\/span>\r\n      <span class=\"kd\">const<\/span> <span class=\"nx\">updatedTodos<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">existingData<\/span><span class=\"p\">?.<\/span><span class=\"nx\">todosList<\/span><span class=\"p\">?.<\/span><span class=\"nf\">map<\/span><span class=\"p\">((<\/span><span class=\"nx\">todo<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span>\r\n        <span class=\"nx\">todo<\/span><span class=\"p\">?.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">===<\/span> <span class=\"nx\">data<\/span><span class=\"p\">?.<\/span><span class=\"nx\">updateTodos<\/span><span class=\"p\">?.<\/span><span class=\"nx\">id<\/span> <span class=\"p\">?<\/span> <span class=\"nx\">data<\/span><span class=\"p\">?.<\/span><span class=\"nx\">updateTodos<\/span><span class=\"o\">!<\/span> <span class=\"p\">:<\/span> <span class=\"nx\">todo<\/span>\r\n      <span class=\"p\">);<\/span>\r\n      <span class=\"nx\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">writeQuery<\/span><span class=\"p\">({<\/span>\r\n        <span class=\"na\">query<\/span><span class=\"p\">:<\/span> <span class=\"nx\">GetTodosDocument<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"na\">data<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">todosList<\/span><span class=\"p\">:<\/span> <span class=\"nx\">updatedTodos<\/span> <span class=\"p\">},<\/span>\r\n      <span class=\"p\">});<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">});<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">toggleTask<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"na\">index<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span> <span class=\"na\">completed<\/span><span class=\"p\">:<\/span> <span class=\"nx\">boolean<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">updateTodo<\/span><span class=\"p\">({<\/span> <span class=\"na\">variables<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">id<\/span><span class=\"p\">:<\/span> <span class=\"nx\">index<\/span><span class=\"p\">,<\/span> <span class=\"na\">completed<\/span><span class=\"p\">:<\/span> <span class=\"o\">!<\/span><span class=\"nx\">completed<\/span> <span class=\"p\">}<\/span> <span class=\"p\">});<\/span>\r\n  <span class=\"p\">};<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"p\">[<\/span><span class=\"nx\">deleteTodo<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">useMutation<\/span><span class=\"p\">(<\/span><span class=\"nx\">DeleteTodoDocument<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">update<\/span><span class=\"p\">(<\/span><span class=\"nx\">cache<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">data<\/span> <span class=\"p\">})<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"kd\">const<\/span> <span class=\"nx\">existingData<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">readQuery<\/span><span class=\"p\">({<\/span> <span class=\"na\">query<\/span><span class=\"p\">:<\/span> <span class=\"nx\">GetTodosDocument<\/span> <span class=\"p\">});<\/span>\r\n      <span class=\"kd\">const<\/span> <span class=\"nx\">updatedTodos<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">existingData<\/span><span class=\"p\">?.<\/span><span class=\"nx\">todosList<\/span><span class=\"p\">?.<\/span><span class=\"nf\">filter<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"p\">(<\/span><span class=\"nx\">todo<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">todo<\/span><span class=\"p\">?.<\/span><span class=\"nx\">id<\/span> <span class=\"o\">!==<\/span> <span class=\"nx\">data<\/span><span class=\"p\">?.<\/span><span class=\"nx\">deleteTodos<\/span><span class=\"p\">?.<\/span><span class=\"nx\">id<\/span>\r\n      <span class=\"p\">);<\/span>\r\n      <span class=\"nx\">cache<\/span><span class=\"p\">.<\/span><span class=\"nf\">writeQuery<\/span><span class=\"p\">({<\/span>\r\n        <span class=\"na\">query<\/span><span class=\"p\">:<\/span> <span class=\"nx\">GetTodosDocument<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"na\">data<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">todosList<\/span><span class=\"p\">:<\/span> <span class=\"nx\">updatedTodos<\/span> <span class=\"p\">},<\/span>\r\n      <span class=\"p\">});<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">});<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">deleteTask<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"na\">index<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nf\">deleteTodo<\/span><span class=\"p\">({<\/span> <span class=\"na\">variables<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">id<\/span><span class=\"p\">:<\/span> <span class=\"nx\">index<\/span> <span class=\"p\">}<\/span> <span class=\"p\">});<\/span>\r\n  <span class=\"p\">};<\/span>\r\n\r\n  <span class=\"k\">return <\/span><span class=\"p\">(<\/span>\r\n    <span class=\"o\">&lt;<\/span><span class=\"nx\">div<\/span><span class=\"o\">&gt;<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"nx\">TodoInput<\/span> <span class=\"nx\">addTask<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">addTask<\/span><span class=\"p\">}<\/span> <span class=\"sr\">\/<\/span><span class=\"err\">&gt;\r\n<\/span>      <span class=\"p\">{<\/span><span class=\"nx\">loading<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">p<\/span><span class=\"o\">&gt;<\/span><span class=\"nx\">Loading<\/span><span class=\"p\">...<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/p&gt;<\/span><span class=\"err\">}\r\n<\/span>      <span class=\"p\">{<\/span><span class=\"nx\">error<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"o\">&lt;<\/span><span class=\"nx\">p<\/span><span class=\"o\">&gt;<\/span><span class=\"na\">Error<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"nx\">error<\/span><span class=\"p\">.<\/span><span class=\"nx\">message<\/span><span class=\"p\">}<\/span><span class=\"o\">&lt;<\/span><span class=\"sr\">\/p&gt;<\/span><span class=\"err\">}\r\n<\/span>      <span class=\"o\">&lt;<\/span><span class=\"nx\">List<\/span><span class=\"o\">&gt;<\/span>\r\n        <span class=\"p\">{<\/span><span class=\"nx\">data<\/span><span class=\"p\">?.<\/span><span class=\"nx\">todosList<\/span><span class=\"p\">?.<\/span><span class=\"nf\">map<\/span><span class=\"p\">((<\/span><span class=\"nx\">task<\/span><span class=\"p\">,<\/span> <span class=\"nx\">index<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">(<\/span>\r\n          <span class=\"o\">&lt;<\/span><span class=\"nx\">TodoItem<\/span>\r\n            <span class=\"nx\">key<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">index<\/span><span class=\"p\">}<\/span>\r\n            <span class=\"nx\">task<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">task<\/span><span class=\"p\">?.<\/span><span class=\"nx\">title<\/span><span class=\"o\">!<\/span><span class=\"p\">}<\/span>\r\n            <span class=\"nx\">completed<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"nx\">task<\/span><span class=\"p\">?.<\/span><span class=\"nx\">completed<\/span><span class=\"o\">!<\/span><span class=\"p\">}<\/span>\r\n            <span class=\"nx\">toggleTask<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">toggleTask<\/span><span class=\"p\">(<\/span><span class=\"nx\">task<\/span><span class=\"p\">?.<\/span><span class=\"nx\">id<\/span><span class=\"o\">!<\/span><span class=\"p\">,<\/span> <span class=\"nx\">task<\/span><span class=\"p\">?.<\/span><span class=\"nx\">completed<\/span><span class=\"o\">!<\/span><span class=\"p\">)}<\/span>\r\n            <span class=\"nx\">deleteTask<\/span><span class=\"o\">=<\/span><span class=\"p\">{()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nf\">deleteTask<\/span><span class=\"p\">(<\/span><span class=\"nx\">task<\/span><span class=\"p\">?.<\/span><span class=\"nx\">id<\/span><span class=\"o\">!<\/span><span class=\"p\">)}<\/span>\r\n          <span class=\"sr\">\/<\/span><span class=\"err\">&gt;\r\n<\/span>        <span class=\"p\">))}<\/span>\r\n      <span class=\"o\">&lt;<\/span><span class=\"sr\">\/List<\/span><span class=\"err\">&gt;\r\n<\/span>    <span class=\"o\">&lt;<\/span><span class=\"sr\">\/div<\/span><span class=\"err\">&gt;\r\n<\/span>  <span class=\"p\">);<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">TodoList<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u662f\uff0cNext.js\/React \u4ee3\u78bc\u7684\u4fee\u6539\u5df2\u5b8c\u6210\u3002<br \/>\n\u8acb\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u57f7\u884c\u4e26\u9032\u884c\u64cd\u4f5c\u78ba\u8a8d\u3002<\/p>\n<pre class=\"post-pre\"><code>npm run dev\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7f20913a08637a6a58dc\/134-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u5c3d\u7ba1\u9996\u6b21\u7248\u672c\u4e0e\u672a\u8c03\u7528GraphQL 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