{"id":38601,"date":"2023-07-31T10:29:46","date_gmt":"2023-12-22T13:13:20","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8f%8d%e5%ba%94%e6%b3%a8%e8%a7%a3\/"},"modified":"2024-04-30T16:15:59","modified_gmt":"2024-04-30T08:15:59","slug":"%e5%8f%8d%e5%ba%94%e6%b3%a8%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%8f%8d%e5%ba%94%e6%b3%a8%e8%a7%a3\/","title":{"rendered":"\u53cd\u5e94\u6ce8\u89e3"},"content":{"rendered":"<h2>\u7ae0\u8282\u76ee\u5f55<\/h2>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6307\u4ee4<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>JSX<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5c5e\u6027<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6761\u4ef6\u5224\u65ad\u548c\u5faa\u73af\u5904\u7406<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u72b6\u6001\u548c\u4e8b\u4ef6\u5904\u7406<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u8def\u7531<\/ol>\n<h2>1. \u547d\u4ee4<\/h2>\n<pre class=\"post-pre\"><code><span class=\"c\"># create-react-app\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/span>\r\n<span class=\"nv\">$ <\/span>npm <span class=\"nb\">install<\/span> <span class=\"nt\">-g<\/span> create-react-app\r\n\r\n<span class=\"c\"># \u65b0\u898f\u4f5c\u6210<\/span>\r\n<span class=\"nv\">$ <\/span>npx create-react-app <span class=\"o\">[<\/span>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d]\r\n\r\n<span class=\"c\"># TSX(JSX\u306eTypeScript\u7248)\u3067\u4f5c\u308a\u305f\u3044\u6642<\/span>\r\n<span class=\"c\"># --template typescript\u3092\u3064\u3051\u308b<\/span>\r\n<span class=\"nv\">$ <\/span>npx create-react-app <span class=\"nt\">--template<\/span> typescript <span class=\"o\">[<\/span>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u540d]\r\n\r\n<span class=\"c\"># \u958b\u767a\u30b5\u30fc\u30d0\u30fc\u8d77\u52d5<\/span>\r\n<span class=\"nv\">$ <\/span>npm start\r\n\r\n<span class=\"c\"># \u30d3\u30eb\u30c9\u3057\u3066HTML\/CSS\/JS\u30d5\u30a1\u30a4\u30eb\u3092\u751f\u6210<\/span>\r\n<span class=\"nv\">$ <\/span>npm run build\r\n<\/code><\/pre>\n<h2>JSX\u662f\u4e00\u79cd\u7528\u4e8e\u7f16\u5199React\u7ec4\u4ef6\u7684\u8bed\u6cd5\u3002<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">class\u306fclassName, for\u306fhtmlFor\u3067\u66f8\u304f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">{\u5909\u6570\u540d} \u306e\u5f62\u5f0f\u3067\u57cb\u3081\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u308b<\/ul>\n<h3>index.js\uff08\u9996\u5148\u88ab\u8c03\u7528\u7684\u6587\u4ef6\uff09<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/React\u95a2\u9023\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">React<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">ReactDOM<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react-dom<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30a2\u30d7\u30ea\u56fa\u6709\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/index.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">App<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/App<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u305f\u3081\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">reportWebVitals<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/reportWebVitals<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/App\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9f\u884c<\/span>\r\n<span class=\"c1\">\/\/render(comp, target)<\/span>\r\n<span class=\"c1\">\/\/comp: \u51fa\u529b\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/span>\r\n<span class=\"c1\">\/\/target: \u51fa\u529b\u5148\u306e\u8981\u7d20<\/span>\r\n<span class=\"nx\">ReactDOM<\/span><span class=\"p\">.<\/span><span class=\"nx\">render<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nc\">App<\/span> <span class=\"p\">\/&gt;,<\/span>\r\n  <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nx\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">root<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30b5\u30fc\u30d3\u30b9\u3092\u6709\u52b9\u5316<\/span>\r\n<span class=\"nx\">registerServiceWorker<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<h3>\u7ec4\u4ef6\u6587\u4ef6<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/React\u306e\u57fa\u672c\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30ed\u30b4\u753b\u50cf\/\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">logo<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/log.svg<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/App.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/App\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9a\u7fa9<\/span>\r\n<span class=\"kd\">class<\/span> <span class=\"nx\">App<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"c1\">\/\/\u63cf\u753b\u5185\u5bb9\u3092\u6e96\u5099<\/span>\r\n  <span class=\"nx\">render<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"p\">(<\/span>\r\n      <span class=\"c1\">\/\/class \u2192 className\u306b\u3059\u308b\u3053\u3068<\/span>\r\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span> <span class=\"na\">className<\/span><span class=\"p\">=<\/span><span class=\"s\">\"App\"<\/span><span class=\"p\">&gt;<\/span>\r\n        <span class=\"p\">&lt;<\/span><span class=\"nt\">header<\/span> <span class=\"na\">className<\/span><span class=\"p\">=<\/span><span class=\"s\">\"App-header\"<\/span><span class=\"p\">&gt;<\/span>\r\n          <span class=\"p\">&lt;<\/span><span class=\"nt\">img<\/span> <span class=\"na\">src<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">logo<\/span><span class=\"si\">}<\/span> <span class=\"na\">className<\/span><span class=\"p\">=<\/span><span class=\"s\">\"App-logo\"<\/span> <span class=\"na\">alt<\/span><span class=\"p\">=<\/span><span class=\"s\">\"logo\"<\/span> <span class=\"p\">\/&gt;<\/span>\r\n          <span class=\"p\">&lt;<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\r\n            Edit <span class=\"p\">&lt;<\/span><span class=\"nt\">code<\/span><span class=\"p\">&gt;<\/span>src\/App.js<span class=\"p\">&lt;\/<\/span><span class=\"nt\">code<\/span><span class=\"p\">&gt;<\/span> and save to reload.\r\n          <span class=\"p\">&lt;\/<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\r\n          <span class=\"p\">&lt;<\/span><span class=\"nt\">a<\/span>\r\n            <span class=\"na\">className<\/span><span class=\"p\">=<\/span><span class=\"s\">\"App-link\"<\/span>\r\n            <span class=\"na\">href<\/span><span class=\"p\">=<\/span><span class=\"s\">\"https:\/\/reactjs.org\"<\/span>\r\n            <span class=\"na\">target<\/span><span class=\"p\">=<\/span><span class=\"s\">\"_blank\"<\/span>\r\n            <span class=\"na\">rel<\/span><span class=\"p\">=<\/span><span class=\"s\">\"noopener noreferrer\"<\/span>\r\n          <span class=\"p\">&gt;<\/span>\r\n          Learn React\r\n          <span class=\"p\">&lt;\/<\/span><span class=\"nt\">a<\/span><span class=\"p\">&gt;<\/span>\r\n        <span class=\"p\">&lt;\/<\/span><span class=\"nt\">header<\/span><span class=\"p\">&gt;<\/span>\r\n      <span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/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=\"c1\">\/\/App\u30af\u30e9\u30b9\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"nx\">App<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<h3>React.Fragment\uff08dummy element\uff09<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/React.Fragment\u306f\u6700\u7d42\u7684\u306a\u51fa\u529b\u306b\u306f\u542b\u307e\u308c\u306a\u3044<\/span>\r\n<span class=\"nx\">ReactDOM<\/span><span class=\"p\">.<\/span><span class=\"nx\">render<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nc\">React<\/span><span class=\"p\">.<\/span><span class=\"nc\">Fragment<\/span><span class=\"p\">&gt;<\/span>\r\n    <span class=\"p\">&lt;<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\u3042\u3044\u3046\u3048\u304a<span class=\"p\">&lt;\/<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\r\n    <span class=\"p\">&lt;<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\u304b\u304d\u304f\u3051\u3053<span class=\"p\">&lt;\/<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\r\n  <span class=\"p\">&lt;\/<\/span><span class=\"nc\">React<\/span><span class=\"p\">.<\/span><span class=\"nc\">Fragment<\/span><span class=\"p\">&gt;<\/span>\r\n  <span class=\"p\">,<\/span> <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nx\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">root<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h3>\u8bbe\u5b9a\u5c5e\u6027<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/\u5c5e\u6027\u5024\u524d\u5f8c\u306e\u30af\u30a9\u30fc\u30c8\u306f\u4ed8\u3051\u306a\u3044<\/span>\r\n<span class=\"c1\">\/\/href=\"{url}\"\u3060\u3068\u30c0\u30e1<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">url<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">https:\/\/wings.msn.to\/<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">&lt;<\/span><span class=\"nt\">a<\/span> <span class=\"na\">href<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">url<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>Web\u30b5\u30a4\u30c8<span class=\"p\">&lt;\/<\/span><span class=\"nt\">a<\/span><span class=\"p\">&gt;<\/span>\r\n\r\n<span class=\"c1\">\/\/style\u5c5e\u6027\u306e\u6307\u5b9a\u306b\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5229\u7528\u3059\u308b<\/span>\r\n<span class=\"c1\">\/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3067\u306fcamelCase\u8a18\u6cd5\u306b\u76f4\u3059<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">style<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"na\">color<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Red<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">backgroundColor<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Yellow<\/span><span class=\"dl\">'<\/span> <span class=\"p\">};<\/span>\r\n<span class=\"p\">&lt;<\/span><span class=\"nt\">p<\/span> <span class=\"na\">style<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">style<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>\u3042\u3044\u3046\u3048\u304a<span class=\"p\">&lt;\/<\/span><span class=\"nt\">p<\/span><span class=\"p\">&gt;<\/span>\r\n\r\n<span class=\"c1\">\/\/\u5c5e\u6027\u3092\u307e\u3068\u3081\u3066\u8a2d\u5b9a<\/span>\r\n<span class=\"c1\">\/\/\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30c6\u30e9\u30eb\u3068\u300c...\u300d\u6f14\u7b97\u5b50\u3092\u5229\u7528\u3059\u308b<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">attrs<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">src<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">http:\/\/test\/image\/aiueo.jpg<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">alt<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u3042\u3044\u3046\u3048\u304a<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">title<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u30c6\u30b9\u30c8\u3042\u3044\u3046\u3048\u304a<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"p\">};<\/span>\r\n<span class=\"p\">&lt;<\/span><span class=\"nt\">img<\/span> <span class=\"si\">{<\/span><span class=\"p\">...<\/span><span class=\"nx\">attrs<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u5c06\u7ec4\u4ef6\u5d4c\u5957<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c1\">\/\/\u5b50\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">MyCover<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/MyCover<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">MyBook<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">render<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"p\">(<\/span>\r\n      <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n        <span class=\"si\">{<\/span><span class=\"cm\">\/* MyCover\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u547c\u3073\u51fa\u3057 *\/<\/span><span class=\"si\">}<\/span>\r\n        <span class=\"p\">&lt;<\/span><span class=\"nc\">MyCover<\/span> <span class=\"na\">title<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">props<\/span><span class=\"p\">.<\/span><span class=\"nx\">info<\/span><span class=\"p\">.<\/span><span class=\"nx\">title<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;<\/span>\r\n      <span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n    <span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>3. \u9053\u5177<\/h2>\n<h3>props\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/h3>\n<p>\u5728\u7ec4\u4ef6\u4e2d\u5c06\u5bf9\u8c61\u4f5c\u4e3a\u5355\u4e00\u5bf9\u8c61\u4f20\u9012\u7ed9\u8be5\u7ec4\u4ef6\u3002<br \/>\n\u53ef\u4ee5\u5728JSX\u5185\u4f20\u9012\u5c5e\u6027\u4fe1\u606f\u548c\u5b50\u5143\u7d20\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">MyHello<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"c1\">\/\/\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5143\u306b\u51fa\u529b\u3092\u751f\u6210<\/span>\r\n  <span class=\"nx\">render<\/span><span class=\"p\">(){<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\u3053\u3093\u306b\u3061\u306f\u3001<span class=\"si\">{<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">props<\/span><span class=\"p\">.<\/span><span class=\"nx\">name<\/span><span class=\"si\">}<\/span>\u3055\u3093<span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/index.js<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">MyHello<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/MyHello<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">...<\/span>\r\n<span class=\"nx\">ReactDOM<\/span><span class=\"p\">.<\/span><span class=\"nx\">render<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"c1\">\/\/MyHello\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u5f15\u304d\u6e21\u3059<\/span>\r\n  <span class=\"c1\">\/\/\u3053\u306e\u5834\u5408\u306f\u300cname\u300d\u3092\u6e21\u3059<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nc\">MyHello<\/span> <span class=\"na\">name<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\u9234\u6728\"<\/span> <span class=\"p\">\/&gt;,<\/span>\r\n  <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nx\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">root<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u300c&#8230;\u300d\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5185\u5bb9\u3092\u500b\u3005\u306e\u5c5e\u6027\u306b\u3070\u3089\u3059\u3053\u3068\u3082\u53ef\u80fd\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u9234\u6728<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">age<\/span><span class=\"p\">:<\/span> <span class=\"mi\">18<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">sex<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u7537<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"nx\">ReactDOM<\/span><span class=\"p\">.<\/span><span class=\"nx\">render<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nc\">MyClass<\/span> <span class=\"si\">{<\/span><span class=\"p\">...<\/span><span class=\"nx\">data<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;,<\/span>\r\n  <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nx\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">root<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h2>4. \u6761\u4ef6\u5224\u65ad\u548c\u5faa\u73af\u5904\u7406<\/h2>\n<h3>\u6761\u4ef6\u5206\u652f<\/h3>\n<h4>\u300c?:\u300d\u8fd0\u7b97\u7b26\uff0c\u300c&amp;&amp;\u300d\u8fd0\u7b97\u7b26<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u300c?:\u300d\u6f14\u7b97\u5b50\u306f\u3001\u4e09\u9805\u6f14\u7b97\u5b50\u306e\u3088\u3046\u306a\u4f7f\u3044\u65b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u300c&amp;&amp;\u300d\u6f14\u7b97\u5b50\u306f\u3001true\u306e\u6642\u3060\u3051\u51fa\u529b\u3055\u308c\u308b<\/ul>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/\u300c?:\u300d\u6f14\u7b97\u5b50<\/span>\r\n<span class=\"p\">{<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">props<\/span><span class=\"p\">.<\/span><span class=\"nx\">isNew<\/span> <span class=\"p\">?<\/span> <span class=\"p\">&lt;<\/span><span class=\"nc\">MyNew<\/span> <span class=\"p\">\/&gt;<\/span> <span class=\"p\">:<\/span> <span class=\"kc\">null<\/span> <span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/\u300c&amp;&amp;\u300d\u6f14\u7b97\u5b50<\/span>\r\n<span class=\"p\">{<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">props<\/span><span class=\"p\">.<\/span><span class=\"nx\">isNew<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"p\">&lt;<\/span><span class=\"nc\">MyNew<\/span> <span class=\"p\">\/&gt;<\/span> <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u7acb\u5373\u6267\u884c\u51fd\u6570<\/h4>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/\u95a2\u6570\u3092\u4f7f\u3046<\/span>\r\n<span class=\"c1\">\/\/\u898b\u6804\u3048\u304c\u60aa\u304f\u306a\u308b\u306e\u3067\u3001\u306a\u308b\u3079\u304f\u5148\u306b\u540d\u524d\u4ed8\u304d\u3067\u95a2\u6570\u3092\u4f5c\u3063\u3066\u3001\u305d\u308c\u3092\u5229\u7528\u3059\u308b\u3088\u3046\u306b\u3059\u308b<\/span>\r\n<span class=\"p\">{(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">if<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">props<\/span><span class=\"p\">.<\/span><span class=\"nx\">isNew<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"p\">&lt;<\/span><span class=\"nc\">MyNew<\/span> <span class=\"p\">\/&gt;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">})()}<\/span>\r\n<\/code><\/pre>\n<h3>\u8fed\u4ee3\u5904\u7406<\/h3>\n<p>\u5229\u7528Array\u7684map\u65b9\u6cd5<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">data<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u9234\u6728<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">age<\/span><span class=\"p\">:<\/span> <span class=\"mi\">18<\/span><span class=\"p\">,<\/span> <span class=\"na\">sex<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u7537<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">userid<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span> <span class=\"p\">},<\/span>\r\n  <span class=\"p\">{<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u4f50\u85e4<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">age<\/span><span class=\"p\">:<\/span> <span class=\"mi\">20<\/span><span class=\"p\">,<\/span> <span class=\"na\">sex<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u5973<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">userid<\/span><span class=\"o\">=<\/span><span class=\"mi\">2<\/span> <span class=\"p\">},<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"c1\">\/\/index.js<\/span>\r\n<span class=\"nx\">ReactDOM<\/span><span class=\"p\">.<\/span><span class=\"nx\">render<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"c1\">\/\/\u914d\u5217data\u3092\u4f7f\u3063\u3066\u306e\u7e70\u308a\u8fd4\u3057\u51e6\u7406<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n    <span class=\"si\">{<\/span><span class=\"nx\">data<\/span><span class=\"p\">.<\/span><span class=\"nx\">map<\/span><span class=\"p\">((<\/span><span class=\"nx\">x<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> \r\n      <span class=\"p\">&lt;<\/span><span class=\"nc\">MyClass<\/span> <span class=\"si\">{<\/span><span class=\"p\">...<\/span><span class=\"nx\">x<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;)<\/span><span class=\"si\">}<\/span>\r\n  <span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"c1\">\/\/key\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u6301\u305f\u306a\u3044\u3053\u3068\u306b\u3088\u308b\u8b66\u544a\u5bfe\u51e6\u306e\u305f\u3081<\/span>\r\n<span class=\"c1\">\/\/\u4ee5\u4e0b\u306e\u3088\u3046\u306bkey\u5c5e\u6027\u3092\u6301\u3064\u3053\u3068\u3092\u63a8\u5968<\/span>\r\n<span class=\"c1\">\/\/\u4e3b\u30ad\u30fc\u3092\u6301\u305f\u306a\u3044\u5834\u5408\u306fkey={index}\u3068\u3059\u308b\u306e\u3082OK<\/span>\r\n<span class=\"c1\">\/\/&lt;MyClass {...x} key={x.userid} \/&gt;<\/span>\r\n<\/code><\/pre>\n<h2>5. \u72b6\u6001\u548c\u4e8b\u4ef6\u5904\u7406<\/h2>\n<h3>&#8220;State\u662f\u4ec0\u4e48\u610f\u601d\uff1f&#8221;<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u72b6\u614b(state)\u3092\u7ba1\u7406\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">state\u306e\u5024\u3092\u66f4\u65b0\u3059\u308b\u5834\u5408\u306f\u3001setState\u3092\u4f7f\u7528\u3059\u308b<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">MyState<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span><span class=\"nx\">props<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">super<\/span><span class=\"p\">(<\/span><span class=\"nx\">props<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c1\">\/\/State\u306e\u521d\u671f\u5024\u3092\u8a2d\u5b9a<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">current<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"c1\">\/\/1000\u30df\u30ea\u79d2\u304a\u304d\u306bState\u3092\u66f4\u65b0<\/span>\r\n  <span class=\"c1\">\/\/setState\u3092\u4f7f\u7528\u3059\u308b<\/span>\r\n  <span class=\"nx\">setInterval<\/span><span class=\"p\">(()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">setState<\/span><span class=\"p\">({<\/span>\r\n      <span class=\"na\">current<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">});<\/span>\r\n  <span class=\"p\">},<\/span> <span class=\"mi\">1000<\/span><span class=\"p\">)<\/span>\r\n\r\n  <span class=\"nx\">render<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/current\u306e\u5024\u3092\u30da\u30fc\u30b8\u306b\u53cd\u6620<\/span>\r\n    <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span><span class=\"si\">{<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">state<\/span><span class=\"p\">.<\/span><span class=\"nx\">current<\/span><span class=\"p\">.<\/span><span class=\"nx\">toLocaleString<\/span><span class=\"p\">()<\/span><span class=\"si\">}<\/span><span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u4e8b\u4ef6\u5904\u7406<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">HTML\u3067\u306fonchange(\u5168\u3066\u5c0f\u6587\u5b57)\u3060\u304c\u3001JSX\u3067\u306fonChange(cameCase\u5f62\u5f0f)\u3067\u66f8\u304f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">this.\u95a2\u6570\u540d.bind\u3067\u30a4\u30d9\u30f3\u30c8\u5b9f\u884c\u6642\u306e\u95a2\u6570\u3092\u6307\u5b9a(bind\u3092\u4ed8\u3051\u306a\u3044\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308b)<\/ul>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/onchange\u30a4\u30d9\u30f3\u30c8\u3092\u8d77\u3053\u3059<\/span>\r\n<span class=\"p\">&lt;<\/span><span class=\"nt\">input<\/span> <span class=\"na\">id<\/span><span class=\"p\">=<\/span><span class=\"s\">\"txtName\"<\/span> <span class=\"na\">type<\/span><span class=\"p\">=<\/span><span class=\"s\">\"text\"<\/span> <span class=\"na\">onChange<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">show<\/span><span class=\"p\">.<\/span><span class=\"nx\">bind<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">)<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30a2\u30ed\u30fc\u95a2\u6570\u3067\u6307\u5b9a\u3059\u308b\u5834\u5408<\/span>\r\n<span class=\"p\">&lt;<\/span><span class=\"nt\">input<\/span> <span class=\"na\">id<\/span><span class=\"p\">=<\/span><span class=\"s\">\"txtName\"<\/span> <span class=\"na\">type<\/span><span class=\"p\">=<\/span><span class=\"s\">\"text\"<\/span> <span class=\"na\">onChange<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">show<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"p\">)<\/span><span class=\"si\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/\u5f15\u6570\u3092\u6e21\u3059\u5834\u5408<\/span>\r\n<span class=\"na\">show<\/span><span class=\"err\">(<\/span><span class=\"na\">end<\/span><span class=\"err\">,<\/span> <span class=\"na\">e<\/span><span class=\"err\">)<\/span> <span class=\"si\">{<\/span>\r\n  <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"s2\">`<\/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><span class=\"nx\">end<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">);<\/span>\r\n<span class=\"si\">}<\/span>\r\n<span class=\"err\">...<\/span>\r\n<span class=\"c1\">\/\/\u5143\u3005\u306e\u30a4\u30d9\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001\u5f15\u6570\u30ea\u30b9\u30c8\u306e\u672b\u5c3e\u306b\u6e21\u3055\u308c\u308b<\/span>\r\n<span class=\"c1\">\/\/end =&gt; '\u3055\u3093'<\/span>\r\n<span class=\"c1\">\/\/e =&gt; this<\/span>\r\n<span class=\"c1\">\/\/\u304c\u305d\u308c\u305e\u308c\u308f\u305f\u3055\u308c\u308b<\/span>\r\n<span class=\"err\">&lt;<\/span><span class=\"na\">input<\/span> <span class=\"na\">id<\/span><span class=\"p\">=<\/span><span class=\"s\">\"txtName\"<\/span> <span class=\"na\">type<\/span><span class=\"p\">=<\/span><span class=\"s\">\"text\"<\/span> <span class=\"na\">onChange<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">show<\/span><span class=\"p\">.<\/span><span class=\"nx\">bind<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">\u3055\u3093<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u751f\u547d\u5468\u671f\u65b9\u6cd5<\/h3>\n<p>\u5f85\u4f1a\u513f\u5199<\/p>\n<h2>6. \u8def\u7531<\/h2>\n<ul class=\"post-ul\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6a5f\u80fd\u7528\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066React Router\u304c\u3042\u308b<\/ul>\n<pre class=\"post-pre\"><code><span class=\"c\"># React Router\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/span>\r\n<span class=\"nv\">$ <\/span>npm <span class=\"nb\">install<\/span> <span class=\"nt\">--save<\/span> react-router-dom\r\n<\/code><\/pre>\n<h3>\u8def\u7531\u793a\u4f8b<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u5b9a\u306f\u3067\u5b9a\u7fa9\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>\u3067\u62ec\u3063\u3066\u3044\u308b\u306e\u306f\u3001\u6700\u521d\u306b\u5408\u81f4\u3057\u305f\u8981\u7d20\u3060\u3051\u51fa\u529b\u3059\u308b\u3001\u3068\u3044\u3046\u610f\u5473<br \/>\nexact\u5c5e\u6027\u306f\u3001\u5b8c\u5168\u4e00\u81f4\u3067\u5224\u5b9a\u3059\u308b\u3068\u3044\u3046\u610f\u5473<\/p>\n<p>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u7d4c\u7531\u3067\u306e\u30da\u30fc\u30b8\u9077\u79fb\u306f\u3001\u3067\u5b9a\u7fa9\u3059\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"nx\">React<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u95a2\u9023\u306e\u6a5f\u80fd\u3092\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BrowserRouter<\/span> <span class=\"k\">as<\/span> <span class=\"nx\">Router<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Link<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Route<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Switch<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">react-router-dom<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">\/\/\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u5229\u7528\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">MyTop<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/MyTop<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">MyHello<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/MyHello<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">MyArticle<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/MyArticle<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">export<\/span> <span class=\"k\">default<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">App<\/span> <span class=\"kd\">extends<\/span> <span class=\"nx\">Component<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">render<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/Router(BrowserRouter)\u3067\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6a5f\u80fd\u3092\u6709\u52b9\u5316<\/span>\r\n    <span class=\"k\">return<\/span><span class=\"p\">(<\/span>\r\n      <span class=\"p\">&lt;<\/span><span class=\"nc\">Router<\/span><span class=\"p\">&gt;<\/span>\r\n        <span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n          <span class=\"si\">{<\/span><span class=\"cm\">\/* \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u7d4c\u7531\u306e\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u3092\u6e96\u5099 *\/<\/span><span class=\"si\">}<\/span>\r\n          <span class=\"p\">&lt;<\/span><span class=\"nt\">ul<\/span><span class=\"p\">&gt;<\/span>\r\n            <span class=\"p\">&lt;<\/span><span class=\"nt\">li<\/span><span class=\"p\">&gt;&lt;<\/span><span class=\"nc\">Link<\/span> <span class=\"na\">to<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\/\"<\/span><span class=\"p\">&gt;<\/span>\u30c8\u30c3\u30d7<span class=\"p\">&lt;\/<\/span><span class=\"nc\">Link<\/span><span class=\"p\">&gt;&lt;\/<\/span><span class=\"nt\">li<\/span><span class=\"p\">&gt;<\/span>\r\n            <span class=\"p\">&lt;<\/span><span class=\"nt\">li<\/span><span class=\"p\">&gt;&lt;<\/span><span class=\"nc\">Link<\/span> <span class=\"na\">to<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\/hello\"<\/span><span class=\"p\">&gt;<\/span>Hello<span class=\"p\">&lt;\/<\/span><span class=\"nc\">Link<\/span><span class=\"p\">&gt;&lt;\/<\/span><span class=\"nt\">li<\/span><span class=\"p\">&gt;<\/span>\r\n            <span class=\"p\">&lt;<\/span><span class=\"nt\">li<\/span><span class=\"p\">&gt;&lt;<\/span><span class=\"nc\">Link<\/span> <span class=\"na\">to<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\/article\"<\/span><span class=\"p\">&gt;<\/span>\u516c\u958b\u8a18\u4e8b<span class=\"p\">&lt;\/<\/span><span class=\"nc\">Link<\/span><span class=\"p\">&gt;&lt;\/<\/span><span class=\"nt\">li<\/span><span class=\"p\">&gt;<\/span>\r\n          <span class=\"p\">&lt;\/<\/span><span class=\"nt\">ul<\/span><span class=\"p\">&gt;<\/span>\r\n          <span class=\"p\">&lt;<\/span><span class=\"nt\">hr<\/span> <span class=\"p\">\/&gt;<\/span>\r\n\r\n          <span class=\"si\">{<\/span><span class=\"cm\">\/* \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u5b9a(\u6761\u4ef6\u306b\u30de\u30c3\u30c1\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u51fa\u529b) *\/<\/span><span class=\"si\">}<\/span>\r\n          <span class=\"p\">&lt;<\/span><span class=\"nc\">Switch<\/span><span class=\"p\">&gt;<\/span>\r\n            <span class=\"p\">&lt;<\/span><span class=\"nc\">Route<\/span> <span class=\"na\">exact<\/span> <span class=\"na\">path<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\/\"<\/span> <span class=\"na\">component<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">MyTop<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;<\/span>\r\n            <span class=\"p\">&lt;<\/span><span class=\"nc\">Route<\/span><span class=\"err\">\u3000<\/span><span class=\"na\">path<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\/hello\"<\/span><span class=\"err\">\u3000<\/span><span class=\"na\">component<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">MyHello<\/span><span class=\"si\">}<\/span><span class=\"p\">\/&gt;<\/span>\r\n            <span class=\"p\">&lt;<\/span><span class=\"nc\">Route<\/span> <span class=\"na\">path<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\/article\"<\/span> <span class=\"na\">component<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">MyArticle<\/span><span class=\"si\">}<\/span><span class=\"p\">\/&gt;<\/span>\r\n          <span class=\"p\">&lt;\/<\/span><span class=\"nc\">Switch<\/span><span class=\"p\">&gt;<\/span>\r\n        <span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n     <span class=\"p\">&lt;\/<\/span><span class=\"nc\">Router<\/span><span class=\"p\">&gt;<\/span>\r\n    <span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u6839\u53c2\u6570<\/h3>\n<pre class=\"post-pre\"><code>  <span class=\"c1\">\/\/\u30ea\u30f3\u30af<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nc\">Link<\/span> <span class=\"na\">to<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\/article\/13\"<\/span><span class=\"p\">&gt;<\/span>\u8a18\u4e8b13<span class=\"p\">&lt;\/<\/span><span class=\"nc\">Link<\/span><span class=\"p\">&gt;<\/span>\r\n\r\n  <span class=\"c1\">\/\/\u30eb\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u542b\u3093\u3060\u30eb\u30fc\u30c8<\/span>\r\n  <span class=\"p\">&lt;<\/span><span class=\"nc\">Route<\/span> <span class=\"na\">path<\/span><span class=\"p\">=<\/span><span class=\"s\">\"\/article\/:id\"<\/span> <span class=\"na\">component<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"nx\">MyArticle<\/span><span class=\"si\">}<\/span> <span class=\"p\">\/&gt;<\/span>\r\n\r\n  <span class=\"c1\">\/\/\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\u3067\u30eb\u30fc\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b<\/span>\r\n  <span class=\"c1\">\/\/this.props.match.params.\u540d\u524d\u3067\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u53ef\u80fd<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">id<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">props<\/span><span class=\"p\">.<\/span><span class=\"nx\">match<\/span><span class=\"p\">.<\/span><span class=\"nx\">params<\/span><span class=\"p\">.<\/span><span class=\"nx\">id<\/span><span class=\"p\">;<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u88dc\u5145<\/h3>\n<p>\u306b\u3066path\u3092\u66f8\u304b\u306a\u3044\u5834\u5408\u3001\u5168\u3066\u306eURL\u306b\u30de\u30c3\u30c1\u3059\u308b\u3001\u3068\u3044\u3046\u66f8\u304d\u65b9\u304c\u3067\u304d\u308b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ae0\u8282\u76ee\u5f55 \u6307\u4ee4 &nbsp; JSX &nbsp; \u5c5e\u6027 &nbsp; \u6761\u4ef6\u5224\u65ad\u548c\u5faa\u73af\u5904\u7406 &nbsp; \u72b6\u6001 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38601","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u53cd\u5e94\u6ce8\u89e3 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u53cd\u5e94\u6ce8\u89e3\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u53cd\u5e94\u6ce8\u89e3\" \/>\n<meta property=\"og:description\" content=\"\u7ae0\u8282\u76ee\u5f55 \u6307\u4ee4 &nbsp; JSX &nbsp; \u5c5e\u6027 &nbsp; \u6761\u4ef6\u5224\u65ad\u548c\u5faa\u73af\u5904\u7406 &nbsp; \u72b6\u6001 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u53cd\u5e94\u6ce8\u89e3\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-22T13:13:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T08:15:59+00:00\" \/>\n<meta name=\"author\" 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