{"id":47602,"date":"2024-01-13T14:54:50","date_gmt":"2023-07-16T21:51:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9f%ba%e4%ba%8eredux%e3%80%81apollo%e3%80%81nestjs%e5%92%8cgraphql%e5%88%9b%e5%bb%ba%e7%9a%84todolist%ef%bc%8c%e8%bf%99%e9%87%8c%e9%83%a8%e5%88%86%e4%bb%8b%e7%bb%8d%e4%ba%86graphql%e7%9a%84\/"},"modified":"2024-05-04T18:14:44","modified_gmt":"2024-05-04T10:14:44","slug":"%e5%9f%ba%e4%ba%8eredux%e3%80%81apollo%e3%80%81nestjs%e5%92%8cgraphql%e5%88%9b%e5%bb%ba%e7%9a%84todolist%ef%bc%8c%e8%bf%99%e9%87%8c%e9%83%a8%e5%88%86%e4%bb%8b%e7%bb%8d%e4%ba%86graphql%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9f%ba%e4%ba%8eredux%e3%80%81apollo%e3%80%81nestjs%e5%92%8cgraphql%e5%88%9b%e5%bb%ba%e7%9a%84todolist%ef%bc%8c%e8%bf%99%e9%87%8c%e9%83%a8%e5%88%86%e4%bb%8b%e7%bb%8d%e4%ba%86graphql%e7%9a%84\/","title":{"rendered":"\u57fa\u4e8eredux\u3001apollo\u3001nestjs\u548cgraphql\u521b\u5efa\u7684TodoList\uff0c\u8fd9\u91cc\u90e8\u5206\u4ecb\u7ecd\u4e86graphql\u7684\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"<h1>\u5173\u4e8e\u8fd9\u7bc7\u6587\u7ae0<\/h1>\n<p>\u8fd9\u662f\u4e3a\u90a3\u4e9b\u60f3\u8bd5\u7740\u5c06\u8fd0\u884c\u5728GraphQL\u4e0a\u7684\u4e1c\u897f\u8fdb\u884c\u4fee\u6539\u7684\u4eba\u51c6\u5907\u7684\u3002<\/p>\n<p>\u4f7f\u7528GraphQL\u6784\u5efa\u7684TodoList\uff0c\u4ecb\u7ecd\u4e86GraphQL\u7684\u90e8\u5206\u7528\u6cd5\u3002\u6211\u4eec\u4f7f\u7528Typescript\u8bed\u8a00\u3002<br \/>\n\u7279\u522b\u662f\u6d89\u53ca\u5230GraphQL\u524d\u7aef\u548c\u540e\u7aef\u914d\u5408\u7684\u90e8\u5206\u3002<\/p>\n<p>\u5982\u679c\u662f\u5728\u652f\u6301yarn\u3001nodejs\u548cdocker\u7b49\u73af\u5883\u4e0b\uff0c\u6211\u8ba4\u4e3a\u5b83\u53ef\u4ee5\u8fd0\u884c\u3002<br \/>\n\u8bf7\u53c2\u8003\u5404\u4e2a\u5b58\u50a8\u5e93\u7684README.md\u548cpackage.json\uff0c\u4e86\u89e3\u8be6\u7ec6\u7684\u6267\u884c\u65b9\u6cd5\u3001\u7248\u672c\u4ee5\u53ca\u4f7f\u7528\u7684\u5e93\u7b49\u4fe1\u606f\u3002<\/p>\n<h4>\u524d\u7aef<\/h4>\n<h4>\u540e\u7aef<\/h4>\n<h1>\u4ecb\u7ecd\u4e0e\u4ee3\u7801<\/h1>\n<p>\u56e0\u4e3a\u6709\u4e00\u4e9b\u5730\u65b9\u4ec5\u7528\u6587\u4ef6\u540d\u8fdb\u884c\u8865\u5145\uff0c\u6240\u4ee5\u5982\u679c\u60a8\u4f7f\u7528VSCode\uff0c\u53ef\u4ee5\u5229\u7528ctrl + P\u6216cmd + P\u7684\u6587\u4ef6\u540d\u641c\u7d22\u6765\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<h2>\u524d\u7aefGraphQL\uff1a\u7247\u6bb5\u3001\u67e5\u8be2\u3001\u53d8\u66f4<\/h2>\n<p>\u5c06\u81ea\u52a8\u751f\u6210\u7684schema.graphql\u4ece\u540e\u7aef\u62ff\u5230\uff0c\u7136\u540e\u5c06frontend\/src\/graphql\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u5199\u5f97\u6f02\u4eae\u4e00\u4e9b\uff0c\u8fd0\u884cyarn run graphql-codegen\uff0c\u5c31\u80fd\u751f\u6210frontend\/src\/api.ts\u6587\u4ef6\uff0c\u4ece\u800c\u53ef\u4ee5\u5728React\u7ec4\u4ef6\u4e2d\u8c03\u7528\u5b83\uff08\u53c2\u8003frontend\/src\/components\/TodoComponent.tsx\u7684\u7b2c12\u884c\u5de6\u53f3\uff09\u3002<\/p>\n<p>\u5982\u679c\u60a8\u4f7f\u7528VSCode\uff0c\u6211\u63a8\u8350\u4f7f\u7528Apollo GraphQL\u6269\u5c55\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5728\u7f16\u5199frontend\/src\/graphql\u6587\u4ef6\u65f6\uff0c\u6839\u636eschema.graphql\u663e\u793a\u9519\u8bef\u4fe1\u606f\u3002\u6709\u65f6\u5019\uff0c\u5373\u4f7f\u66f4\u65b0\u4e86schema.graphql\uff0c\u66f4\u6539\u53ef\u80fd\u4e0d\u4f1a\u751f\u6548\uff0c\u4f46\u662f\u60a8\u53ef\u4ee5\u5c1d\u8bd5\u7981\u7528\u7136\u540e\u91cd\u65b0\u542f\u7528\u6269\u5c55\u529f\u80fd\uff0c\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h3>\u7247\u6bb5<\/h3>\n<p>\u5982\u679c\u6709\u5728\u5176\u4ed6graphql\u6587\u4ef6\u4e2d\u88ab\u591a\u6b21\u8c03\u7528\u7684\u83b7\u53d6\u6a21\u5f0f\uff0c\u901a\u8fc7\u521b\u5efafragment\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u91cf\u3002<br \/>\n\u9700\u8981\u4ecegraphqlAPI\u8fd4\u56de\u7684\u6570\u636e\u4e2d\u9009\u62e9\u6570\u636e\uff0c\u672c\u4f8b\u4e2d\u53ef\u4ee5\u4ecebackend\/src\/models\/todo\/todo.ts\u548cschema.graphql\u76845~11\u884c\u4e2d\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fragment<\/span> <span class=\"n\">TodoItem<\/span> <span class=\"k\">on<\/span> <span class=\"n\">Todo<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">id<\/span>\r\n  <span class=\"n\">title<\/span>\r\n  <span class=\"n\">isDone<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u67e5\u8be2<\/h3>\n<p>\u5f53\u83b7\u53d6\u6570\u636e\u65f6\uff0c\u4f7f\u7528\u67e5\u8be2\uff08query\uff09\u8bed\u53e5\u3002<br \/>\n\u8981\u83b7\u53d6\u7684\u5bf9\u8c61\u53ef\u4ee5\u662f\u6570\u7ec4\u4e5f\u53ef\u4ee5\u662f\u5bf9\u8c61\uff08\u5982[Todo]\u6216Todo\uff09\uff0c\u5728\u67e5\u8be2\uff08query\uff09\u6216\u53d8\u66f4\uff08mutation\uff09\u8bed\u53e5\u4e2d\u90fd\u9700\u8981\u4ee5\u5bf9\u8c61\u5f62\u5f0f\u8fdb\u884c\u63cf\u8ff0\u3002<\/p>\n<p>\u9700\u8981\u5c06\u7c7b\u4f3c\u4e8e\u6587\u4ef6\u7684\u7b2c2\u884c\u548c\u7b2c8\u884c\u4e2d\u7684\u5185\u90e8todos\u548ctodo\u4e0eAPI\u4fdd\u6301\u4e00\u81f4\uff0c\u4f46\u662f\u53ef\u4ee5\u5c06\u7b2c1\u884c\u548c\u7b2c7\u884c\u4e2d\u7684\u5916\u90e8todos\u548ctodo\u6539\u5199\u4e3agetTodos\u548cgetTodo\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u5728React\u7ec4\u4ef6\u4e2d\u5c06useTodosQuery\u66f4\u6539\u4e3auseGetTodosQuery\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u4e5f\u53ef\u4ee5\u5c06\u6587\u4ef6\u5206\u5272\u5e76\u8fdb\u884c\u8bb0\u5f55\uff0c\u6ca1\u6709\u4efb\u4f55\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"n\">todos<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">todos<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"p\">...<\/span><span class=\"n\">TodoItem<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">query<\/span> <span class=\"n\">todo<\/span><span class=\"p\">(<\/span><span class=\"nv\">$id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">todo<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$id<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"p\">...<\/span><span class=\"n\">TodoItem<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u7684\u6539\u53d8\u65b9\u5f0f\u662f\u53ef\u884c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">query<\/span> <span class=\"n\">getTodo<\/span><span class=\"p\">(<\/span><span class=\"nv\">$id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">todo<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$id<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">id<\/span>\r\n    <span class=\"n\">title<\/span>\r\n    <span class=\"n\">isDone<\/span>\r\n    <span class=\"n\">createdAt<\/span>\r\n    <span class=\"n\">updatedAt<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\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\">todos<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">id<\/span>\r\n    <span class=\"n\">title<\/span>\r\n    <span class=\"n\">isDone<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u7a81\u53d8<\/h3>\n<p>\u5982\u679c\u8981\u66f4\u6539\u6570\u636e\uff0c\u4f7f\u7528mutation\u3002\u9664\u6b64\u4e4b\u5916\u4e0e\u67e5\u8be2\u76f8\u540c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">mutation<\/span> <span class=\"n\">createTodo<\/span><span class=\"p\">(<\/span><span class=\"nv\">$input<\/span><span class=\"p\">:<\/span> <span class=\"n\">TodoInput<\/span><span class=\"p\">!)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">createTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">input<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$input<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"p\">...<\/span><span class=\"n\">TodoItem<\/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\">$id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!,<\/span> <span class=\"nv\">$input<\/span><span class=\"p\">:<\/span> <span class=\"n\">TodoInput<\/span><span class=\"p\">!)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">updateTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$id<\/span><span class=\"p\">,<\/span> <span class=\"n\">input<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$input<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"p\">...<\/span><span class=\"n\">TodoItem<\/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\">$id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">deleteTodo<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nv\">$id<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h2>\u540e\u7aefGraphQL\uff1a\u89e3\u6790\u5668<\/h2>\n<p>\u53ea\u8981\u540e\u7aef\u670d\u52a1\u5668\u6b63\u5728\u8fd0\u884c\uff0c@Query\u6ce8\u91ca\u548c\u5176\u540e\u7684\u65b9\u6cd5\u3001@Mutation\u6ce8\u91ca\u548c\u5176\u540e\u7684\u65b9\u6cd5\u5c06\u81ea\u52a8\u66f4\u65b0backend\/src\/schema.graphql\u6587\u4ef6\u3002<\/p>\n<p>frontend\/src\/graphql\/queries\/todo.graphql\u6587\u4ef6\u7684\u7b2c2\u884c\u5bf9\u5e94\u7740\u4ee5\u4e0b\u6587\u4ef6\u7684\u7b2c46\u884c\u7684\u65b9\u6cd5\u540dtodos\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Resolver<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Query<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Args<\/span><span class=\"p\">,<\/span> <span class=\"nx\">ID<\/span><span class=\"p\">,<\/span> <span class=\"nx\">Mutation<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@nestjs\/graphql<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">BadRequestException<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@nestjs\/common<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"nx\">Todo<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/models\/todo\/todo<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">TodoService<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/todo.service<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">DBService<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/db\/db.service<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"k\">import<\/span> <span class=\"nx\">TodoInput<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">..\/models\/todo\/todo.input<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Resolver<\/span><span class=\"p\">()<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">TodoResolver<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"k\">readonly<\/span> <span class=\"nx\">dbservice<\/span><span class=\"p\">:<\/span> <span class=\"nx\">DBService<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"k\">readonly<\/span> <span class=\"nx\">service<\/span><span class=\"p\">:<\/span> <span class=\"nx\">TodoService<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">)<\/span> <span class=\"p\">{}<\/span>\r\n\r\n  <span class=\"nx\">getClient<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">dbservice<\/span><span class=\"p\">.<\/span><span class=\"nx\">getClient<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"p\">@<\/span><span class=\"nd\">Query<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"nx\">returns<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">Todo<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"na\">description<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">todo\u3092\u53d6\u5f97<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">)<\/span>\r\n\r\n  <span class=\"k\">async<\/span> <span class=\"nx\">todo<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"p\">@<\/span><span class=\"nd\">Args<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">id<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">ID<\/span> <span class=\"p\">})<\/span> <span class=\"nx\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span>\r\n  <span class=\"p\">):<\/span> <span class=\"nb\">Promise<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Todo<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">client<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">getClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">res<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">service<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span><span class=\"p\">,<\/span> <span class=\"nx\">id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">res<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">BadRequestException<\/span><span class=\"p\">(<\/span><span class=\"s2\">`Todo Not Found id: <\/span><span class=\"p\">${<\/span><span class=\"nx\">id<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">res<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"p\">@<\/span><span class=\"nd\">Query<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"nx\">returns<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">[<\/span><span class=\"nx\">Todo<\/span><span class=\"p\">],<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"na\">description<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">todo\u4e00\u89a7\u3092\u53d6\u5f97<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">)<\/span>\r\n\r\n  <span class=\"k\">async<\/span> <span class=\"nx\">todos<\/span><span class=\"p\">():<\/span> <span class=\"nb\">Promise<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Todo<\/span><span class=\"p\">[]<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">client<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">getClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">res<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">service<\/span><span class=\"p\">.<\/span><span class=\"nx\">scan<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">res<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"p\">@<\/span><span class=\"nd\">Mutation<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"nx\">returns<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">Todo<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"na\">description<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">todo\u3092\u4f5c\u6210<\/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=\"k\">async<\/span> <span class=\"nx\">createTodo<\/span><span class=\"p\">(@<\/span><span class=\"nd\">Args<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">input<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span> <span class=\"nx\">input<\/span><span class=\"p\">:<\/span> <span class=\"nx\">TodoInput<\/span><span class=\"p\">):<\/span> <span class=\"nb\">Promise<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Todo<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">client<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">getClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">res<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">service<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span><span class=\"p\">,<\/span> <span class=\"nx\">input<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">res<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"p\">@<\/span><span class=\"nd\">Mutation<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"nx\">returns<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">Todo<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"na\">description<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">todo\u3092\u66f4\u65b0<\/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=\"k\">async<\/span> <span class=\"nx\">updateTodo<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"p\">@<\/span><span class=\"nd\">Args<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">id<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">ID<\/span> <span class=\"p\">})<\/span> <span class=\"nx\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">@<\/span><span class=\"nd\">Args<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">input<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span> <span class=\"nx\">input<\/span><span class=\"p\">:<\/span> <span class=\"nx\">TodoInput<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">):<\/span> <span class=\"nb\">Promise<\/span><span class=\"o\">&lt;<\/span><span class=\"nx\">Todo<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">client<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">getClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">res<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">service<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span><span class=\"p\">,<\/span> <span class=\"nx\">id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">res<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">BadRequestException<\/span><span class=\"p\">(<\/span><span class=\"s2\">`Todo Not Found id: <\/span><span class=\"p\">${<\/span><span class=\"nx\">id<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">service<\/span><span class=\"p\">.<\/span><span class=\"nx\">update<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"p\">...<\/span><span class=\"nx\">res<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">...<\/span><span class=\"nx\">input<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">})<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"p\">@<\/span><span class=\"nd\">Mutation<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"nx\">returns<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nb\">String<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"na\">description<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">todo\u3092\u524a\u9664<\/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=\"k\">async<\/span> <span class=\"nx\">deleteTodo<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"p\">@<\/span><span class=\"nd\">Args<\/span><span class=\"p\">({<\/span> <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">id<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">ID<\/span> <span class=\"p\">})<\/span> <span class=\"nx\">id<\/span><span class=\"p\">:<\/span> <span class=\"kr\">string<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">):<\/span> <span class=\"nb\">Promise<\/span><span class=\"o\">&lt;<\/span><span class=\"kr\">string<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">client<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">getClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">res<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">service<\/span><span class=\"p\">.<\/span><span class=\"kd\">get<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span><span class=\"p\">,<\/span> <span class=\"nx\">id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">res<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">BadRequestException<\/span><span class=\"p\">(<\/span><span class=\"s2\">`Todo Not Found id: <\/span><span class=\"p\">${<\/span><span class=\"nx\">id<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">await<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">service<\/span><span class=\"p\">.<\/span><span class=\"k\">delete<\/span><span class=\"p\">(<\/span><span class=\"nx\">client<\/span><span class=\"p\">,<\/span> <span class=\"nx\">id<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">id<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u8fd9\u662f\u4e3b\u8981\u7684GraphQL\u90e8\u5206\u3002<\/p>\n<p>\u4e2a\u4eba\u8ba4\u4e3a\uff0cGraphQL API\u901a\u8fc7\u5728\u4ee3\u7801\u672c\u8eab\u660e\u786e\u4e86\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\u5185\u5bb9\uff0c\u4f7f\u5f97\u5904\u7406\u8fc7\u7a0b\u66f4\u6613\u4e8e\u7406\u89e3\uff0c\u51cf\u8f7b\u4e86\u5f00\u53d1\u8d1f\u62c5\u3002\u7279\u522b\u662f\u5728\u4e0eAPI\u7684\u8fde\u63a5\u548c\u5b9e\u73b0\u7684\u53d8\u66f4\u65b9\u9762\uff0c\u5904\u7406\u66f4\u6613\u4e8e\u7406\u89e3\uff0c\u80fd\u591f\u987a\u5229\u8fdb\u884c\u3002<\/p>\n<p>\u5c1d\u8bd5\u4fee\u6539\u65b9\u6cd5\u540d\u79f0\uff0c\u589e\u52a0\u539f\u59cb\u529f\u80fd\uff0c\u4f53\u9a8c\u4e00\u4e0bGraphQL\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u4e8e\u8fd9\u7bc7\u6587\u7ae0 \u8fd9\u662f\u4e3a\u90a3\u4e9b\u60f3\u8bd5\u7740\u5c06\u8fd0\u884c\u5728GraphQL\u4e0a\u7684\u4e1c\u897f\u8fdb\u884c\u4fee\u6539\u7684\u4eba\u51c6\u5907\u7684\u3002 \u4f7f\u7528GraphQL\u6784\u5efa\u7684To [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47602","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>\u57fa\u4e8eredux\u3001apollo\u3001nestjs\u548cgraphql\u521b\u5efa\u7684TodoList\uff0c\u8fd9\u91cc\u90e8\u5206\u4ecb\u7ecd\u4e86graphql\u7684\u4f7f\u7528\u65b9\u6cd5 - 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\" 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