{"id":47544,"date":"2023-09-26T14:08:41","date_gmt":"2024-02-21T16:53:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8%e6%97%a0%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%9e%b6%e6%9e%84%e7%9a%84graphql%ef%bc%8c%e4%bb%8eaws-appsync%e7%9a%84%e6%a8%a1%e5%bc%8f%e8%bf%9b%e8%a1%8ccodegen%e3%80%82\/"},"modified":"2024-05-04T01:40:00","modified_gmt":"2024-05-03T17:40:00","slug":"%e4%bd%bf%e7%94%a8%e6%97%a0%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%9e%b6%e6%9e%84%e7%9a%84graphql%ef%bc%8c%e4%bb%8eaws-appsync%e7%9a%84%e6%a8%a1%e5%bc%8f%e8%bf%9b%e8%a1%8ccodegen%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8%e6%97%a0%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%9e%b6%e6%9e%84%e7%9a%84graphql%ef%bc%8c%e4%bb%8eaws-appsync%e7%9a%84%e6%a8%a1%e5%bc%8f%e8%bf%9b%e8%a1%8ccodegen%e3%80%82\/","title":{"rendered":"\u4f7f\u7528\u65e0\u670d\u52a1\u5668\u67b6\u6784\u7684GraphQL\uff0c\u4eceAWS AppSync\u7684\u6a21\u5f0f\u8fdb\u884ccodegen"},"content":{"rendered":"

\u4eceAWS AppSync\u751f\u6210\u7684Schema\u4e2d\u751f\u6210\u4ee3\u7801\u3002<\/h1>\n

\u9996\u5148<\/h2>\n

\u6211\u611f\u53d7\u5230\u4e86\u6700\u8fd1\u524d\u7aef\u5f00\u53d1\u7684\u7a33\u5b9a\u6027\u65e5\u76ca\u589e\u5f3a\uff0c\u5c24\u5176\u662fGraphQL\u751f\u6001\u7cfb\u7edf\uff0c\u5b83\u65e8\u5728\u4e00\u4e3e\u89e3\u51b3REST\u6240\u9762\u4e34\u7684\u95ee\u9898\uff0c\u7ed9\u4e88\u4e86\u524d\u6240\u672a\u6709\u7684\u5f00\u53d1\u4f53\u9a8c\u3002\u5176\u4e2d\u5305\u62ecGraphQL\u548cTypeScript\u5728\u5185\u7684\u6280\u672f\u7684\u53d1\u5c55\uff0c\u90fd\u4e3a\u524d\u7aef\u5f00\u53d1\u7684\u7a33\u5065\u6027\u505a\u51fa\u4e86\u8d21\u732e\u3002<\/p>\n

\u867d\u7136GraphQL\u975e\u5e38\u65b9\u4fbf\uff0c\u4f46AWS\u7684AppSync\u53ef\u4ee5\u901a\u8fc7\u65e0\u670d\u52a1\u5668\u65b9\u5f0f\u4e3a\u60a8\u63d0\u4f9b\u5b83\u3002\u76ee\u524d\uff0c\u8fd8\u6ca1\u6709\u5f88\u591a\u80fd\u591f\u4ee5\u65e0\u670d\u52a1\u5668\u65b9\u5f0f\u63d0\u4f9bGraphQL\u7684\u6846\u67b6\uff0c\u6240\u4ee5\u8fd9\u975e\u5e38\u597d\u3002<\/p>\n

\u56e0\u6b64\uff0c\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u4f7f\u7528\u7531AppSync\u751f\u6210\u7684API\u8f38\u51fa\u6a21\u5f0f\u4f86\u751f\u6210\u524d\u7aef\u4ee3\u78bc\u3002<\/p>\n

\u73af\u5883<\/h2>\n
\n
\u9805\u76ee\u30d0\u30fc\u30b8\u30e7\u30f3node16.13.2aws-cli2.4.15cdk2.10.0<\/div>\n<\/div>\n

\u5b9e\u65bd\u6982\u8981<\/h2>\n

\u540c\u6b65\u5e94\u7528<\/h3>\n

\u8fd9\u6b21\u6211\u4eec\u53ea\u60f3\u7eaf\u7cb9\u5730\u4f7f\u7528API\uff0c\u6240\u4ee5\u4e0d\u4f7f\u7528Amplify\uff0c\u53ea\u521b\u5efaAppSync\u3002\u540c\u65f6\uff0c\u4e0d\u4f7f\u7528IaC\u7b49\u6280\u672f\uff0c\u76f4\u63a5\u5728\u63a7\u5236\u53f0\u4e0a\u64cd\u4f5c\u3002<\/p>\n

\u963f\u6ce2\u7f57\u5ba2\u6237\u7aef React Hooks<\/h3>\n

\u901a\u8fc7\u6a21\u5f0f\u4fe1\u606f\uff0c\u5728GraphQL\u7ba1\u7406\u5e93Apollo Client\u4e2d\u751f\u6210React Hooks\u3002\u6d4b\u8bd5\u662f\u5426\u53ef\u4ee5\u6b63\u5e38\u8fd0\u4f5c\uff0c\u5305\u62ec\u7c7b\u578b\u8865\u5168\u7b49\u3002<\/p>\n

\u5b9e\u65bd<\/h2>\n

AppSync \u5e94\u7528\u540c\u6b65<\/h3>\n
\"image.png\"<\/div>\n
\"image.png\"<\/div>\n
\"image.png\"<\/div>\n
\"Screen<\/div>\n

\u963f\u6ce2\u7f57\u5ba2\u6237\u7aef\u7684React Hooks<\/h3>\n

\u6211\u5c06\u4f7f\u7528CRA\u6765\u521b\u5efaReact\u7684\u6a21\u677f\u3002<\/p>\n

\u5728\u4e2d\u6587\u4e2d\uff0cCRA\u662fCreate React App\u7684\u7f29\u5199\uff0c\u4ee3\u8868\u521b\u5efaReact\u5e94\u7528\u7684\u5de5\u5177\u3002\u4e0a\u8ff0\u53e5\u5b50\u7684\u610f\u601d\u662f\u4f7f\u7528CRA\u6765\u521b\u5efaReact\u7684\u6a21\u677f\u3002<\/p>\n

npx create-react-app apollo-codegen --template<\/span> typescript\r\ncd <\/span>apollo-codegen\r\nnpm install <\/span>graphql @apollo\/client @graphql-codegen\/cli @graphql-codegen\/introspection @graphql-codegen\/typescript @graphql-codegen\/typescript-react-apollo @graphql-codegen\/typescript-operations dotenv\r\n<\/code><\/pre>\n
\u6211\u5011\u5c07\u64b0\u5beb\u4e00\u500b\u7528\u65bc\u751f\u6210\u7a0b\u5f0f\u78bc\u7684\u7a0b\u5f0f\u3002
\n\u5728\u4ee5\u4e0b\u7684\u6a94\u6848\u4e2d\uff0c\u6211\u5011\u6703\u8b80\u53d6\u5728src\/graphql\u8cc7\u6599\u593e\u4e0b\u64b0\u5beb\u7684xxxx.gql\uff0c\u4e26\u5c07\u5176\u578b\u5225\u8cc7\u8a0a\u548chooks\u8f38\u51fa\u5230src\/generated\/graphql.tsx\u3002<\/p>\n
module<\/span>.<\/span>exports<\/span> =<\/span> {<\/span>\r\n  schema<\/span>:<\/span> [<\/span>\r\n    {<\/span>\r\n      [<\/span>process<\/span>.<\/span>env<\/span>.<\/span>REACT_APP_GRAPHQL_API_URL<\/span>]:<\/span> {<\/span>\r\n        headers<\/span>:<\/span> {<\/span> \"<\/span>X-API-KEY<\/span>\"<\/span>:<\/span> process<\/span>.<\/span>env<\/span>.<\/span>REACT_APP_GRAPHQL_API_KEY<\/span> },<\/span>\r\n      },<\/span>\r\n    },<\/span>\r\n  ],<\/span>\r\n  documents<\/span>:<\/span> [<\/span>\"<\/span>.\/src\/graphql\/**.gql<\/span>\"<\/span>],<\/span>\r\n  overwrite<\/span>:<\/span> true<\/span>,<\/span>\r\n  generates<\/span>:<\/span> {<\/span>\r\n    \"<\/span>.\/src\/generated\/graphql.tsx<\/span>\"<\/span>:<\/span> {<\/span>\r\n      plugins<\/span>:<\/span> [<\/span>\r\n        \"<\/span>typescript<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>typescript-operations<\/span>\"<\/span>,<\/span>\r\n        \"<\/span>typescript-react-apollo<\/span>\"<\/span>,<\/span>\r\n      ],<\/span>\r\n      config<\/span>:<\/span> {<\/span>\r\n        skipTypename<\/span>:<\/span> false<\/span>,<\/span>\r\n        withHooks<\/span>:<\/span> true<\/span>,<\/span>\r\n        withHOC<\/span>:<\/span> false<\/span>,<\/span>\r\n        withComponent<\/span>:<\/span> false<\/span>,<\/span>\r\n      },<\/span>\r\n    },<\/span>\r\n    \"<\/span>.\/graphql.schema.json<\/span>\"<\/span>:<\/span> {<\/span>\r\n      plugins<\/span>:<\/span> [<\/span>\"<\/span>introspection<\/span>\"<\/span>],<\/span>\r\n    },<\/span>\r\n  },<\/span>\r\n};<\/span>\r\n\r\n<\/code><\/pre>\n
\u5c06REACT_APP_GRAPHQL_API_URL\u548cREACT_APP_GRAPHQL_API_KEY\u5199\u5165.env\u6587\u4ef6\u4e2d\u3002
\n\u4eceAppSync\u7684\u8bbe\u7f6e\u9875\u9762\u590d\u5236\u3002(REACT_APP_\u524d\u7f00\u662f\u4e3a\u4e86\u5728\u540e\u7eed\u7684React\u7a0b\u5e8f\u4e2d\u590d\u7528\u3002)<\/p>\n
REACT_APP_GRAPHQL_API_URL=https:\/\/xxxxxxxxxx.appsync-api.ap-northeast-1.amazonaws.com\/graphql\r\nREACT_APP_GRAPHQL_API_KEY=xxxxxxxxxx\r\n<\/code><\/pre>\n
\u6211\u5011\u5728package.json\u7684scripts\u4e2d\u6dfb\u52a0qqlcodegen\u547d\u4ee4\u3002<\/p>\n
  \"scripts\"<\/span>:<\/span> {<\/span>\r\n    \"start\"<\/span>:<\/span> \"react-scripts start\"<\/span>,<\/span>\r\n    \"build\"<\/span>:<\/span> \"react-scripts build\"<\/span>,<\/span>\r\n    \"test\"<\/span>:<\/span> \"react-scripts test\"<\/span>,<\/span>\r\n    \"eject\"<\/span>:<\/span> \"react-scripts eject\"<\/span>,<\/span>\r\n    \"gqlcodegen\"<\/span>:<\/span> \"graphql-codegen --require dotenv\/config --config .graphql.codegen.js\"<\/span>\r\n  }<\/span>,<\/span>\r\n<\/code><\/pre>\n
\u6700\u540e\uff0c\u6211\u4eec\u5c06\u4ee5\u4e0b\u7684GraphQL\u6587\u4ef6\u4f5c\u4e3a\u6837\u672c\u6dfb\u52a0\u8fdb\u53bb\u3002<\/p>\n
query<\/span> ListEvents<\/span> {<\/span>\r\n  listEvents<\/span> {<\/span>\r\n    items<\/span> {<\/span>\r\n      id<\/span>\r\n      name<\/span>\r\n      description<\/span>\r\n      when<\/span>\r\n      where<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u4ee3\u7801\u751f\u6210<\/h2>\n
\u6211\u5c06\u5c1d\u8bd5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u4ee3\u7801\u3002<\/p>\n
npm run gqlcodegen\r\n\r\n><\/span> apollo-codegen@0.1.0 gqlcodegen\r\n><\/span> graphql-codegen --require<\/span> dotenv\/config --config<\/span> .graphql.codegen.js\r\n  \u2714 Parse configuration\r\n  \u2714 Parse configuration\r\n  \u2714 Generate outputs\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u53ef\u4ee5\u770b\u51fahooks\u548c\u5b83\u4eec\u7684\u7c7b\u578b\u4fe1\u606f\u88ab\u751f\u6210\u4e86\u3002<\/p>\n
\u786e\u8ba4\u52a8\u4f5c<\/h2>\n
\u5199\u4e0bApolloProvider\u3002<\/p>\n
import<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> {<\/span>\r\n  ApolloClient<\/span>,<\/span>\r\n  ApolloProvider<\/span> as<\/span> BaseApolloProvider<\/span>,<\/span>\r\n  InMemoryCache<\/span>,<\/span>\r\n}<\/span> from<\/span> \"<\/span>@apollo\/client<\/span>\"<\/span>;<\/span>\r\n\r\nconst<\/span> client<\/span> =<\/span> new<\/span> ApolloClient<\/span>({<\/span>\r\n  uri<\/span>:<\/span> process<\/span>.<\/span>env<\/span>.<\/span>REACT_APP_GRAPHQL_API_URL<\/span>!<\/span>,<\/span>\r\n  \/\/ API_KEY\u3092\u30d5\u30ed\u30f3\u30c8\u3067\u4f7f\u3046\u306e\u306f\u57fa\u672c\u7684\u306bNG\u3060\u304c\u30c6\u30b9\u30c8\u7684\u306b\u4f7f\u3046<\/span>\r\n  headers<\/span>:<\/span> {<\/span> \"<\/span>X-API-KEY<\/span>\"<\/span>:<\/span> process<\/span>.<\/span>env<\/span>.<\/span>REACT_APP_GRAPHQL_API_KEY<\/span>!<\/span> },<\/span>\r\n  cache<\/span>:<\/span> new<\/span> InMemoryCache<\/span>(),<\/span>\r\n});<\/span>\r\n\r\nconst<\/span> ApolloProvider<\/span>:<\/span> React<\/span>.<\/span>FC<\/span> =<\/span> ({<\/span> children<\/span> })<\/span> =><\/span> {<\/span>\r\n  return<\/span> <<\/span>BaseApolloProvider<\/span> client<\/span>=<\/span>{<\/span>client<\/span>}<\/span>><\/span>{<\/span>children<\/span>}<\/span><<\/span>\/BaseApolloProvider><\/span>;\r\n<\/span>};<\/span>\r\n\r\nexport<\/span> default<\/span> ApolloProvider<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u5728 index.tsx \u4e2d\u8fdb\u884c\u8c03\u7528<\/p>\n
import<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> ReactDOM<\/span> from<\/span> \"<\/span>react-dom<\/span>\"<\/span>;<\/span>\r\nimport<\/span> \"<\/span>.\/index.css<\/span>\"<\/span>;<\/span>\r\nimport<\/span> App<\/span> from<\/span> \"<\/span>.\/App<\/span>\"<\/span>;<\/span>\r\nimport<\/span> reportWebVitals<\/span> from<\/span> \"<\/span>.\/reportWebVitals<\/span>\"<\/span>;<\/span>\r\nimport<\/span> ApolloProvider<\/span> from<\/span> \"<\/span>.\/ApolloProvider<\/span>\"<\/span>;<\/span>\r\n\r\nReactDOM<\/span>.<\/span>render<\/span>(<\/span>\r\n  <<\/span>React<\/span>.<\/span>StrictMode<\/span>><\/span>\r\n    <<\/span>ApolloProvider<\/span>><\/span>\r\n      <<\/span>App<\/span> \/><\/span>\r\n    <<\/span>\/ApolloProvider<\/span>>\r\n<\/span>  <<\/span>\/React.StrictMode><\/span>,\r\n<\/span>  document<\/span>.<\/span>getElementById<\/span>(<\/span>\"<\/span>root<\/span>\"<\/span>)<\/span>\r\n);<\/span>\r\n<\/code><\/pre>\n
\u8ba9\u6211\u4eec\u5728 App.tsx \u6587\u4ef6\u4e2d\u5c1d\u8bd5\u8c03\u7528 listEvent \u51fd\u6570\u3002<\/p>\n
import<\/span> React<\/span> from<\/span> \"<\/span>react<\/span>\"<\/span>;<\/span>\r\nimport<\/span> \"<\/span>.\/App.css<\/span>\"<\/span>;<\/span>\r\nimport<\/span> {<\/span> useListEventsQuery<\/span> }<\/span> from<\/span> \"<\/span>.\/generated\/graphql<\/span>\"<\/span>;<\/span>\r\n\r\nfunction<\/span> App<\/span>()<\/span> {<\/span>\r\n  const<\/span> {<\/span> data<\/span> }<\/span> =<\/span> useListEventsQuery<\/span>();<\/span>\r\n\r\n  return<\/span> (<\/span>\r\n    <<\/span>div<\/span> className<\/span>=<\/span>\"<\/span>App<\/span>\"<\/span>><\/span>\r\n      <<\/span>ol<\/span>><\/span>\r\n        {<\/span>data<\/span>?.<\/span>listEvents<\/span>?.<\/span>items<\/span>?.<\/span>map<\/span>((<\/span>item<\/span>)<\/span> =><\/span> {<\/span>\r\n          return<\/span> (<\/span>\r\n            <<\/span>li<\/span> key<\/span>=<\/span>{<\/span>item<\/span>?.<\/span>id<\/span>}<\/span>><\/span>\r\n              {<\/span>item<\/span>?.<\/span>name<\/span>}<\/span> \u5834\u6240<\/span>:{<\/span>item<\/span>?.<\/span>where<\/span>}<\/span> \u65e5\u6642<\/span>:{<\/span>item<\/span>?.<\/span>when<\/span>}<\/span>\r\n            <<\/span>\/li<\/span>>\r\n<\/span>          );<\/span>\r\n        })}<\/span>\r\n      <<\/span>\/ol<\/span>>\r\n<\/span>    <<\/span>\/div<\/span>>\r\n<\/span>  );<\/span>\r\n}<\/span>\r\n\r\nexport<\/span> default<\/span> App<\/span>;<\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\"image.png\"<\/div>\n
\"image.png\"<\/div>\n
\u770b\u8d77\u6765\u8fd0\u884c\u5f97\u5f88\u987a\u5229\u3002<\/p>\n
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