{"id":47600,"date":"2023-03-01T10:24:41","date_gmt":"2023-10-23T04:50:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%9b%ae%e5%89%8d%e4%b8%aa%e4%ba%ba%e8%ae%a4%e4%b8%ba%e7%9a%84%e6%9c%80%e4%bd%b3%e9%80%89%e6%8b%a9%e6%98%af%e4%bd%bf%e7%94%a8express%e3%80%81react%e5%92%8cgraphql%e7%9a%84typescript%e3%80%82\/"},"modified":"2024-04-29T16:50:54","modified_gmt":"2024-04-29T08:50:54","slug":"%e7%9b%ae%e5%89%8d%e4%b8%aa%e4%ba%ba%e8%ae%a4%e4%b8%ba%e7%9a%84%e6%9c%80%e4%bd%b3%e9%80%89%e6%8b%a9%e6%98%af%e4%bd%bf%e7%94%a8express%e3%80%81react%e5%92%8cgraphql%e7%9a%84typescript%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%9b%ae%e5%89%8d%e4%b8%aa%e4%ba%ba%e8%ae%a4%e4%b8%ba%e7%9a%84%e6%9c%80%e4%bd%b3%e9%80%89%e6%8b%a9%e6%98%af%e4%bd%bf%e7%94%a8express%e3%80%81react%e5%92%8cgraphql%e7%9a%84typescript%e3%80%82\/","title":{"rendered":"\u76ee\u524d\u4e2a\u4eba\u8ba4\u4e3a\u7684\u6700\u4f73\u9009\u62e9\u662f\u4f7f\u7528Express\u3001React\u548cGraphQL\u7684TypeScript"},"content":{"rendered":"

\u4ed6\u5988\u7684\u70c2\u8bd7<\/h2>\n

\u538c\u5026JavaScript\u800c\u6295\u5411TypeScript\u662f\u975e\u5e38\u81ea\u7136\u7684\u4e8b\u60c5\u3002
\n\u538c\u5026REST API\u5e76\u5bf9GraphQL\u4ea7\u751f\u5174\u8da3\u4e5f\u662f\u975e\u5e38\u81ea\u7136\u7684\u4e8b\u60c5\u3002
\n\u4e0d\u60f3\u7f16\u5199GraphQL\u67e5\u8be2\u4e5f\u662f\u975e\u5e38\u81ea\u7136\u7684\u4e8b\u60c5\u3002
\n\u56e0\u6b64\uff0c\u6211\u8e0f\u4e0a\u4e86\u5728TypeScript\u4e2d\u4f7f\u7528GraphQL\u7684\u6700\u4f73\u89e3\u51b3\u65b9\u6848\u7684\u63a2\u7d22\u4e4b\u65c5\u3002<\/p>\n

\u8fd9\u4e9b\u5de5\u5177\u771f\u662f\u592a\u68d2\u4e86\u3002<\/h2>\n

\u7ecf\u8fc7\u65c5\u884c\u540e\uff0c\u6211\u9047\u5230\u4e86\u8fd9\u4e9b\u7f8e\u5999\u7684\u5de5\u5177\u3002<\/p>\n

Apollo Server
\nGraphQL server\u3002
\n\u4f7f\u304a\u3046\u3002<\/p>\n

Apollo Client
\n\u4e00\u756a\u4eba\u6c17\u3067\u3042\u308d\u3046graphql\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3002
\n\u3053\u308c\u306b\u306f\u30ed\u30fc\u30ab\u30eb\u306e\u30b9\u30c6\u30fc\u30c8\u7ba1\u7406\u6a5f\u80fd\u3082\u3064\u3044\u3066\u308b\u306e\u3067\u3001Redux\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u3002
\n\u4f7f\u304a\u3046\u3002<\/p>\n

TypeGraphQL
\nTypeScript\u30b3\u30fc\u30c9\u304b\u3089Type\u3084Resolver\u3092\u751f\u6210\u3059\u308b\u30c4\u30fc\u30eb\u3002
\n\u4f7f\u308f\u306a\u3044\u624b\u306f\u306a\u3044\u3002<\/p>\n

GraphQL Code Generator
\nGraphQL query\u304b\u3089TypeScript\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3059\u308b\u30c4\u30fc\u30eb\u3002
\n\u3053\u308c\u306e\u304a\u304b\u3052\u3067GraphQL query\u66f8\u3044\u3066\u3001\u305d\u308c\u306b\u5408\u3046\u578b\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u3092\u81ea\u5206\u3067\u66f8\u304f\u3068\u3044\u3046\u82e6\u884c\u304b\u3089\u958b\u653e\u3055\u308c\u308b\u3002<\/p>\n

\u53ea\u8981\u62e5\u6709\u8fd9\u4e09\u79cd\u795e\u5668\uff0c\u5c31\u80fd\u591f\u5145\u5206\u4eab\u53d7\u7f8e\u5999\u7684TypeScript GraphQL\u751f\u6d3b\u3002<\/p>\n

\u793a\u4f8b\u5b58\u50a8\u5e93<\/h2>\n

\u6211\u4eec\u5411\u6837\u672c\u5e93\u4e2d\u6dfb\u52a0\u4e86\u795e\u5668\u3002<\/p>\n

Typescript-Express-React-GraphQL -> \u7c7b\u578b\u811a\u672c-\u5feb\u9012-\u53cd\u5e94-\u56fe\u7075\u8eab\u4efd\u9a8c\u8bc1<\/p>\n

\u670d\u52a1\u5668<\/h2>\n

\u642d\u5efaGraphQL\u670d\u52a1\u5668\u3002<\/h3>\n

\u5728\u670d\u52a1\u5668\u7aef\u4f7f\u7528TypeGraphQL\u6765\u521b\u5efaType\u548cResolver\u3002<\/p>\n

import<\/span> {<\/span>Field<\/span>,<\/span> ObjectType<\/span>}<\/span> from<\/span> '<\/span>type-graphql<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>ObjectType<\/span>()<\/span>\r\nexport<\/span> class<\/span> Hello<\/span> {<\/span>\r\n  @<\/span>Field<\/span>()<\/span>\r\n  str<\/span>!<\/span>:<\/span> string<\/span>;<\/span>\r\n  @<\/span>Field<\/span>()<\/span>\r\n  date<\/span>!<\/span>:<\/span> Date<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
import<\/span> {<\/span>Query<\/span>,<\/span> Resolver<\/span>}<\/span> from<\/span> '<\/span>type-graphql<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>Hello<\/span>}<\/span> from<\/span> '<\/span>..\/types\/Hello<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>Resolver<\/span>()<\/span>\r\nexport<\/span> class<\/span> HelloResolver<\/span> {<\/span>\r\n  @<\/span>Query<\/span>(()<\/span> =><\/span> Hello<\/span>)<\/span>\r\n  hello<\/span>():<\/span> Hello<\/span> {<\/span>\r\n    return<\/span> {<\/span>\r\n      str<\/span>:<\/span> '<\/span>hello world<\/span>'<\/span>,<\/span>\r\n      date<\/span>:<\/span> new<\/span> Date<\/span>(),<\/span>\r\n    };<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5982\u679c\u5c06\u8fd9\u4e24\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9buildSchema\u51fd\u6570\uff0c\u5c31\u4f1a\u751f\u6210\u8fd9\u6837\u7684Schema\u3002<\/p>\n
scalar<\/span> DateTime<\/span>\r\n\r\ntype<\/span> Hello<\/span> {<\/span>\r\n  date<\/span>:<\/span> DateTime<\/span>!<\/span>\r\n  str<\/span>:<\/span> String<\/span>!<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> Query<\/span> {<\/span>\r\n  hello<\/span>:<\/span> Hello<\/span>!<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u53ea\u8981\u5c06\u5b83\u4e0eresolvers\u4e00\u8d77\u4f20\u9012\u7ed9ApolloServer\uff0cGraphQL\u670d\u52a1\u5668\u5c06\u542f\u52a8\u3002<\/p>\n
import<\/span> '<\/span>reflect-metadata<\/span>'<\/span>;<\/span>\r\n\r\nimport<\/span> express<\/span> from<\/span> '<\/span>express<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>ApolloServer<\/span>}<\/span> from<\/span> '<\/span>apollo-server-express<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>ResolversMap<\/span>}<\/span> from<\/span> '<\/span>type-graphql<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>buildSchema<\/span>}<\/span> from<\/span> '<\/span>.\/graphql\/buildSchema<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>resolvers<\/span>}<\/span> from<\/span> '<\/span>.\/graphql\/resolvers<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> app<\/span> =<\/span> express<\/span>();<\/span>\r\nconst<\/span> server<\/span> =<\/span> new<\/span> ApolloServer<\/span>({<\/span>\r\n  schema<\/span>:<\/span> buildSchema<\/span>(),<\/span>\r\n  resolvers<\/span>:<\/span> resolvers<\/span> as<\/span> ResolversMap<\/span>,<\/span>\r\n});<\/span>\r\n\r\nserver<\/span>.<\/span>applyMiddleware<\/span>({<\/span>app<\/span>});<\/span>\r\n\r\napp<\/span>.<\/span>listen<\/span>(<\/span>8080<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u662f\u7684\uff0c\u4ee4\u4eba\u60ca\u8bb6\u7684\u662f\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u81ea\u5df1\u7f16\u5199\u67b6\u6784\u3002<\/p>\n
\u5c06Schema\u5bfc\u51fa\u4e3a\u6587\u4ef6\u3002<\/h3>\n
\u4e3a\u4e86\u4f7f\u7528GraphQL Code Generator\u5728\u5ba2\u6237\u7aef\u7aef\u8fdb\u884c\u4ee3\u7801\u751f\u6210\uff0c\u9700\u8981\u6709\u670d\u52a1\u5668\u7aef\u7684Schema\u6587\u4ef6\u3002
\n\u5982\u679c\u5c06emitSchemaFile\u9009\u9879\u4f20\u9012\u7ed9buildSchema\uff0c\u5b83\u5c06\u5728\u6307\u5b9a\u4f4d\u7f6e\u751f\u6210\u8be5\u6587\u4ef6\uff0c\u56e0\u6b64\u8bf7\u4e8b\u5148\u51c6\u5907\u597d\u8be5\u547d\u4ee4\u3002<\/p>\n
import<\/span> '<\/span>reflect-metadata<\/span>'<\/span>;<\/span>\r\n\r\nimport<\/span> path<\/span> from<\/span> '<\/span>path<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>buildSchema<\/span>}<\/span> from<\/span> '<\/span>..\/src\/graphql\/buildSchema<\/span>'<\/span>;<\/span>\r\n\r\nbuildSchema<\/span>({<\/span>\r\n  emitSchemaFile<\/span>:<\/span> `<\/span>${<\/span>path<\/span>.<\/span>dirname<\/span>(<\/span>__dirname<\/span>)}<\/span>\/generated\/schema.gql`<\/span>,<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
import<\/span> {<\/span>resolvers<\/span>}<\/span> from<\/span> '<\/span>.\/resolvers<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>buildSchemaSync<\/span>,<\/span> NonEmptyArray<\/span>,<\/span> BuildSchemaOptions<\/span>}<\/span> from<\/span> '<\/span>type-graphql<\/span>'<\/span>;<\/span>\r\n\r\nexport<\/span> const<\/span> buildSchema<\/span> =<\/span> (<\/span>options<\/span>:<\/span> Partial<\/span><<\/span>BuildSchemaOptions<\/span>><\/span> =<\/span> {})<\/span> =><\/span> {<\/span>\r\n  return<\/span> buildSchemaSync<\/span>({<\/span>\r\n    resolvers<\/span>:<\/span> (<\/span>Object<\/span>.<\/span>values<\/span>(<\/span>resolvers<\/span>)<\/span> as<\/span> unknown<\/span>)<\/span> as<\/span> NonEmptyArray<\/span><<\/span>Function<\/span>><\/span>,<\/span>\r\n    ...<\/span>options<\/span>,<\/span>\r\n  });<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
{<\/span>\r\n  ...<\/span>\r\n  \"scripts\"<\/span>:<\/span> {<\/span>\r\n    ...<\/span>\r\n    \"generate-graphql-schema\"<\/span>:<\/span> \"ts-node bin\/generate-graphql-schema.ts\"<\/span>,<\/span>\r\n    \"codegen\"<\/span>:<\/span> \"npm run generate-graphql-schema\"<\/span>\r\n  },<\/span>\r\n  ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5f53\u4f60\u8fd0\u884c `npm run codegen`\uff0c\u4f1a\u5728 `server\/generated\/` \u76ee\u5f55\u4e0b\u751f\u6210\u7c7b\u4f3c\u8fd9\u6837\u7684\u6587\u4ef6\u3002<\/p>\n
# -----------------------------------------------<\/span>\r\n# !!! THIS FILE WAS GENERATED BY TYPE-GRAPHQL !!!<\/span>\r\n# !!!   DO NOT MODIFY THIS FILE BY YOURSELF   !!!<\/span>\r\n# -----------------------------------------------<\/span>\r\n\r\n\"\"\"<\/span>\r\nThe javascript `Date`<\/span> as string. Type represents date and time as the ISO Date string.\r\n\"\"\"<\/span>\r\nscalar<\/span> DateTime<\/span>\r\n\r\ntype<\/span> Hello<\/span> {<\/span>\r\n  date<\/span>:<\/span> DateTime<\/span>!<\/span>\r\n  str<\/span>:<\/span> String<\/span>!<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> Query<\/span> {<\/span>\r\n  hello<\/span>:<\/span> Hello<\/span>!<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u786e\u4fdd\u5c06\u6b64\u6587\u4ef6\u6dfb\u52a0\u5230gitignore\u548ceslintignore\u4e2d\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u751f\u6210\u7684\u6587\u4ef6\u3002<\/p>\n
\u8fd9\u6837\u4e00\u6765\uff0c\u670d\u52a1\u5668\u7aef\u7684\u5de5\u4f5c\u5c31\u5b8c\u6210\u4e86\u3002<\/p>\n
\u987e\u5ba2<\/h2>\n
\u53ea\u9700\u6309\u7167\u5b98\u65b9\u6307\u5f15\u521d\u59cb\u5316Apollo Client\u5373\u53ef\u3002<\/p>\n
\u5199\u67e5\u8be2<\/h3>\n
...<\/span>\r\nimport<\/span> {<\/span>gql<\/span>}<\/span> from<\/span> '<\/span>@apollo\/client<\/span>'<\/span>;<\/span>\r\n...<\/span>\r\n\r\ngql<\/span>`\r\n  query Hello {\r\n    hello {\r\n      str\r\n      date\r\n    }\r\n  }\r\n`<\/span>;<\/span>\r\n\r\n...<\/span>\r\n<\/code><\/pre>\n
GraphQL Code Generator\u53ef\u4ee5\u8bc6\u522bgql\u5173\u952e\u5b57\uff0c\u5e76\u5c06\u540e\u7eed\u7684\u5b57\u7b26\u4e32\u8bc6\u522b\u4e3a\u67e5\u8be2\u8bed\u53e5\uff0c\u8fd9\u6837\u5f88\u65b9\u4fbf\u3002
\n\u5982\u679c\u60f3\u8981\u91cd\u590d\u4f7f\u7528\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u53ef\u4ee5\u5728client\/src\/graphql\/queries\/\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a.gql\u6587\u4ef6\uff0c\u5e76\u5c06\u67e5\u8be2\u8bed\u53e5\u5199\u5728\u91cc\u9762\u5373\u53ef\u3002<\/p>\n
\u4ee3\u7801\u751f\u6210<\/h3>\n
GraphQL Code Generator\u7684\u8bbe\u7f6e\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
overwrite<\/span>:<\/span> true<\/span>\r\nschema<\/span>:<\/span> \"<\/span>..\/server\/generated\/schema.gql\"<\/span>\r\ndocuments<\/span>:<\/span> [<\/span>\r\n  \"<\/span>src\/**\/*.ts\"<\/span>,<\/span>\r\n  \"<\/span>src\/**\/*.tsx\"<\/span>,<\/span>\r\n  \"<\/span>src\/**\/*.gql\"<\/span>\r\n]<\/span>\r\ngenerates<\/span>:<\/span>\r\n  src\/generated\/graphql.tsx<\/span>:<\/span>\r\n    plugins<\/span>:<\/span>\r\n      -<\/span> \"<\/span>typescript\"<\/span>\r\n      -<\/span> \"<\/span>typescript-operations\"<\/span>\r\n      -<\/span> \"<\/span>typescript-react-apollo\"<\/span>\r\n<\/code><\/pre>\n
schema\u4f7f\u7528\u670d\u52a1\u5668\u751f\u6210\u7684\u5185\u5bb9\u662f\u91cd\u70b9\u3002
\n\u5e0c\u671b\u4e5f\u80fd\u8bc6\u522b\u5728.ts\u548c.tsx\u6587\u4ef6\u4e2d\u7f16\u5199\u7684\u67e5\u8be2\uff0c\u6240\u4ee5\u4e5f\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u914d\u7f6e\u3002
\n\u5728\u8fd9\u4e2a\u72b6\u6001\u4e0b\u8fd0\u884cnpm run codegen\uff0c\u6587\u4ef6\u5c06\u5728client\/src\/generated\/\u4e2d\u751f\u6210\u3002<\/p>\n
import<\/span> {<\/span> gql<\/span> }<\/span> from<\/span> '<\/span>@apollo\/client<\/span>'<\/span>;<\/span>\r\nimport<\/span> *<\/span> as<\/span> Apollo<\/span> from<\/span> '<\/span>@apollo\/client<\/span>'<\/span>;<\/span>\r\nexport<\/span> type<\/span> Maybe<\/span><<\/span>T<\/span>><\/span> =<\/span> T<\/span> |<\/span> null<\/span>;<\/span>\r\nexport<\/span> type<\/span> Exact<\/span><<\/span>T<\/span> extends<\/span> {<\/span> [<\/span>key<\/span>:<\/span> string<\/span>]:<\/span> unknown<\/span> }<\/span>><\/span> =<\/span> {<\/span> [<\/span>K<\/span> in<\/span> keyof<\/span> T<\/span>]:<\/span> T<\/span>[<\/span>K<\/span>]<\/span> };<\/span>\r\n\/** All built-in and custom scalars, mapped to their actual values *\/<\/span>\r\nexport<\/span> type<\/span> Scalars<\/span> =<\/span> {<\/span>\r\n  ID<\/span>:<\/span> string<\/span>;<\/span>\r\n  String<\/span>:<\/span> string<\/span>;<\/span>\r\n  Boolean<\/span>:<\/span> boolean<\/span>;<\/span>\r\n  Int<\/span>:<\/span> number<\/span>;<\/span>\r\n  Float<\/span>:<\/span> number<\/span>;<\/span>\r\n  \/** The javascript `Date` as string. Type represents date and time as the ISO Date string. *\/<\/span>\r\n  DateTime<\/span>:<\/span> any<\/span>;<\/span>\r\n};<\/span>\r\n\r\n\r\nexport<\/span> type<\/span> Hello<\/span> =<\/span> {<\/span>\r\n  __typename<\/span>?:<\/span> '<\/span>Hello<\/span>'<\/span>;<\/span>\r\n  date<\/span>:<\/span> Scalars<\/span>[<\/span>'<\/span>DateTime<\/span>'<\/span>];<\/span>\r\n  str<\/span>:<\/span> Scalars<\/span>[<\/span>'<\/span>String<\/span>'<\/span>];<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> type<\/span> Query<\/span> =<\/span> {<\/span>\r\n  __typename<\/span>?:<\/span> '<\/span>Query<\/span>'<\/span>;<\/span>\r\n  hello<\/span>:<\/span> Hello<\/span>;<\/span>\r\n};<\/span>\r\n\r\nexport<\/span> type<\/span> HelloQueryVariables<\/span> =<\/span> Exact<\/span><<\/span>{<\/span> [<\/span>key<\/span>:<\/span> string<\/span>]:<\/span> never<\/span>;<\/span> }<\/span>><\/span>;<\/span>\r\n\r\n\r\nexport<\/span> type<\/span> HelloQuery<\/span> =<\/span> (<\/span>\r\n  {<\/span> __typename<\/span>?:<\/span> '<\/span>Query<\/span>'<\/span> }<\/span>\r\n  &<\/span> {<\/span> hello<\/span>:<\/span> (<\/span>\r\n    {<\/span> __typename<\/span>?:<\/span> '<\/span>Hello<\/span>'<\/span> }<\/span>\r\n    &<\/span> Pick<\/span><<\/span>Hello<\/span>,<\/span> '<\/span>str<\/span>'<\/span> |<\/span> '<\/span>date<\/span>'<\/span>><\/span>\r\n  )<\/span> }<\/span>\r\n);<\/span>\r\n\r\n\r\nexport<\/span> const<\/span> HelloDocument<\/span> =<\/span> gql<\/span>`\r\n    query Hello {\r\n  hello {\r\n    str\r\n    date\r\n  }\r\n}\r\n    `<\/span>;<\/span>\r\n\r\n\/**\r\n * __useHelloQuery__\r\n *\r\n * To run a query within a React component, call `useHelloQuery` and pass it any options that fit your needs.\r\n * When your component renders, `useHelloQuery` returns an object from Apollo Client that contains loading, error, and data properties\r\n * you can use to render your UI.\r\n *\r\n * @param baseOptions options that will be passed into the query, supported options are listed on: https:\/\/www.apollographql.com\/docs\/react\/api\/react-hooks\/#options;\r\n *\r\n * @example\r\n * const { data, loading, error } = useHelloQuery({\r\n *   variables: {\r\n *   },\r\n * });\r\n *\/<\/span>\r\nexport<\/span> function<\/span> useHelloQuery<\/span>(<\/span>baseOptions<\/span>?:<\/span> Apollo<\/span>.<\/span>QueryHookOptions<\/span><<\/span>HelloQuery<\/span>,<\/span> HelloQueryVariables<\/span>><\/span>)<\/span> {<\/span>\r\n        return<\/span> Apollo<\/span>.<\/span>useQuery<\/span><<\/span>HelloQuery<\/span>,<\/span> HelloQueryVariables<\/span>><\/span>(<\/span>HelloDocument<\/span>,<\/span> baseOptions<\/span>);<\/span>\r\n      }<\/span>\r\nexport<\/span> function<\/span> useHelloLazyQuery<\/span>(<\/span>baseOptions<\/span>?:<\/span> Apollo<\/span>.<\/span>LazyQueryHookOptions<\/span><<\/span>HelloQuery<\/span>,<\/span> HelloQueryVariables<\/span>><\/span>)<\/span> {<\/span>\r\n          return<\/span> Apollo<\/span>.<\/span>useLazyQuery<\/span><<\/span>HelloQuery<\/span>,<\/span> HelloQueryVariables<\/span>><\/span>(<\/span>HelloDocument<\/span>,<\/span> baseOptions<\/span>);<\/span>\r\n        }<\/span>\r\nexport<\/span> type<\/span> HelloQueryHookResult<\/span> =<\/span> ReturnType<\/span><<\/span>typeof<\/span> useHelloQuery<\/span>><\/span>;<\/span>\r\nexport<\/span> type<\/span> HelloLazyQueryHookResult<\/span> =<\/span> ReturnType<\/span><<\/span>typeof<\/span> useHelloLazyQuery<\/span>><\/span>;<\/span>\r\nexport<\/span> type<\/span> HelloQueryResult<\/span> =<\/span> Apollo<\/span>.<\/span>QueryResult<\/span><<\/span>HelloQuery<\/span>,<\/span> HelloQueryVariables<\/span>><\/span>;<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u4e0d\u8981\u5fd8\u8bb0\u5c06\u6b64\u751f\u6210\u6587\u4ef6\u6dfb\u52a0\u5230gitignore\u548ceslintignore\u4e2d\u3002<\/p>\n
\u53d1\u9001\u8bf7\u6c42<\/h3>\n
\u7531\u4e8e\u5728 client\/src\/generated\/graphql.tsx \u4e2d\u751f\u6210\u4e86 hook\uff0c\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5b83\u3002
\n\u5b83\u5177\u6709\u5f88\u597d\u7684\u7c7b\u578b\u5b89\u5168\u6027\u3002<\/p>\n
import<\/span> React<\/span> from<\/span> '<\/span>react<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>gql<\/span>}<\/span> from<\/span> '<\/span>@apollo\/client<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>useHelloQuery<\/span>}<\/span> from<\/span> '<\/span>.\/generated\/graphql<\/span>'<\/span>;<\/span>\r\n\r\ngql<\/span>`\r\n  query Hello {\r\n    hello {\r\n      str\r\n      date\r\n    }\r\n  }\r\n`<\/span>;<\/span>\r\n\r\nexport<\/span> const<\/span> Hello<\/span> =<\/span> ()<\/span> =><\/span> {<\/span>\r\n  const<\/span> {<\/span>loading<\/span>,<\/span> error<\/span>,<\/span> data<\/span>}<\/span> =<\/span> useHelloQuery<\/span>();<\/span>\r\n  if<\/span> (<\/span>loading<\/span>)<\/span> return<\/span> <<\/span>div<\/span>><\/span>Loading...<\/<\/span>div<\/span>>;<\/span>\r\n  if<\/span> (<\/span>error<\/span>)<\/span> return<\/span> <<\/span>div<\/span>><\/span>{<\/span>error<\/span>.<\/span>message<\/span>}<\/span><\/<\/span>div<\/span>>;<\/span>\r\n  return<\/span> (<\/span>\r\n    <<\/span>div<\/span> className<\/span>=<\/span>{<\/span>Hello<\/span>.<\/span>name<\/span>}<\/span>><\/span>\r\n      <<\/span>div<\/span>><\/span>\r\n        <<\/span>div<\/span>><\/span>str={<\/span>data<\/span>!<\/span>.<\/span>hello<\/span>.<\/span>str<\/span>}<\/span><\/<\/span>div<\/span>><\/span>\r\n        <<\/span>div<\/span>><\/span>date={<\/span>data<\/span>!<\/span>.<\/span>hello<\/span>.<\/span>date<\/span>}<\/span><\/<\/span>div<\/span>><\/span>\r\n      <\/<\/span>div<\/span>><\/span>\r\n    <\/<\/span>div<\/span>><\/span>\r\n  );<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
\u5f88\u9057\u61be<\/h2>\n
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