{"id":48062,"date":"2024-01-09T17:16:43","date_gmt":"2023-02-08T17:29:27","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8graphqlnestjstypeormmysql%e4%b8%8a%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80%e4%b8%8bhelloworld%e3%80%82\/"},"modified":"2024-05-04T17:32:48","modified_gmt":"2024-05-04T09:32:48","slug":"%e6%88%91%e5%9c%a8graphqlnestjstypeormmysql%e4%b8%8a%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80%e4%b8%8bhelloworld%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8graphqlnestjstypeormmysql%e4%b8%8a%e5%b0%9d%e8%af%95%e4%ba%86%e4%b8%80%e4%b8%8bhelloworld%e3%80%82\/","title":{"rendered":"\u6211\u5728GraphQL+NestJS+TypeORM+MySQL\u4e0a\u5c1d\u8bd5\u4e86\u4e00\u4e0bHelloworld"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

\u6211\u8bd5\u7740\u4f7f\u7528GraphQL+NestJS+TypeORM+MySQL\u6765\u642d\u5efa\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u7684\u521d\u59cb\u73af\u5883\u3002\u9664\u4e86MySQL\u4ee5\u5916\uff0c\u5176\u4ed6\u90fd\u662f\u6211\u4e0d\u592a\u719f\u6089\u7684\uff0c\u6240\u4ee5\u5728\u67e5\u9605\u8d44\u6599\u7684\u8fc7\u7a0b\u4e2d\u8bbe\u6cd5\u8ba9\u5b83\u4eec\u80fd\u591f\u8fd0\u8f6c\u3002\u5e0c\u671b\u5bf9\u4ed6\u4eba\u6709\u6240\u5e2e\u52a9\uff0c\u8fd9\u4f1a\u8ba9\u6211\u611f\u5230\u5e78\u798f\u3002<\/p>\n

\u8fd9\u662f\u6211\u4eec\u7684\u6210\u679c\u7269\u3002<\/p>\n

 <\/p>\n

\u4e8b\u524d\u51c6\u5907<\/h2>\n

\u8bf7\u5b89\u88c5Node.js\u3001yarn\u548cmysql\uff08\u7701\u7565\u8bf4\u660e\uff09<\/p>\n

\u6267\u884c\u65f6\u7684\u73af\u5883\u5982\u4e0b\u3002<\/p>\n

$ npm -v\r\n8.8.0\r\n\r\n$ yarn -v\r\n1.22.4\r\n\r\n$ mysql -V\r\nmysql  Ver 8.0.28 for macos12.2 on x86_64 (Homebrew)\r\n<\/code><\/pre>\n
\u5b89\u88c5Nest CLI<\/h3>\n
 <\/p>\n
\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5 Nest CLI\u3002<\/p>\n
$ npm install -g @nestjs\/cli\r\n<\/code><\/pre>\n
\u521b\u5efa\u9879\u76ee\u5e76\u8fdb\u884c\u521d\u59cb\u5316\u64cd\u4f5c<\/h2>\n
\u4f7f\u7528CLI\u521b\u5efa\u65b0\u7684Nest\u9879\u76ee\uff0c\u5e76\u5207\u6362\u5230\u8be5\u6587\u4ef6\u5939\u3002
\n\u9009\u62e9yarn\u4f5c\u4e3a\u5305\u7ba1\u7406\u5668\u3002<\/p>\n
$ nest new nestjs-typeorm-ts-example\r\n\r\n? Which package manager would you \u2764\ufe0f  to use? \r\n  npm \r\n\u276f yarn \r\n  pnpm \r\n\r\n$ cd nestjs-typeorm-ts-example\r\n<\/code><\/pre>\n
\u9996\u5148\uff0c\u6211\u4eec\u5c06\u6267\u884c\u5fc5\u8981\u7684\u64cd\u4f5c\u6765\u786e\u8ba4\u529f\u80fd\u53ef\u7528\u6027\u3002\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u6307\u4ee4\u542f\u52a8nest\u670d\u52a1\u5668\u3002<\/p>\n
$ yarn start:dev\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u5982\u679c\u663e\u793a\u5982\u4e0a\u5219\u8bf4\u660e\u64cd\u4f5c\u5df2\u786e\u8ba4\u5b8c\u6210\u3002<\/p>\n
\u5f15\u5165GraphQL<\/h2>\n
\u4f7f\u7528 yarn \u6dfb\u52a0\u6240\u9700\u7684 GraphQL packages\u3002<\/p>\n
$ yarn add @nestjs\/graphql @nestjs\/apollo graphql apollo-server-express\r\n$ yarn add class-validator class-transformer #Validator\u4f7f\u308f\u306a\u3051\u308c\u3070\u7121\u304f\u3066\u3082\u826f\u3044\u3051\u3069\r\n<\/code><\/pre>\n
\u521b\u5efa\u8d44\u6e90<\/h3>\n
\u6211\u4eec\u5c06\u4f7f\u7528\u751f\u6210\u5668\u6765\u521b\u5efa\u4efb\u52a1\u8d44\u6e90\u3002
\n\u6211\u4eec\u5c06\u4f7f\u7528GraphQL\uff08code first\uff09\u6765\u521b\u5efa\u4f20\u8f93\u5c42\u3002
\n\u6211\u4eec\u8fd8\u5c06\u521b\u5efaCRUD\u5165\u53e3\u70b9\u3002<\/p>\n
$ nest g resource tasks\r\n\r\n? What transport layer do you use? \r\n  REST API \r\n\u276f GraphQL (code first) \r\n  GraphQL (schema first) \r\n  Microservice (non-HTTP) \r\n  WebSockets \r\n\r\n? Would you like to generate CRUD entry points? (Y\/n) Y\r\n\r\nCREATE src\/tasks\/tasks.module.ts (224 bytes)\r\nCREATE src\/tasks\/tasks.resolver.spec.ts (525 bytes)\r\nCREATE src\/tasks\/tasks.resolver.ts (1109 bytes)\r\nCREATE src\/tasks\/tasks.service.spec.ts (453 bytes)\r\nCREATE src\/tasks\/tasks.service.ts (625 bytes)\r\nCREATE src\/tasks\/dto\/create-task.input.ts (196 bytes)\r\nCREATE src\/tasks\/dto\/update-task.input.ts (243 bytes)\r\nCREATE src\/tasks\/entities\/task.entity.ts (187 bytes)\r\nUPDATE src\/app.module.ts (1163 bytes)\r\n<\/code><\/pre>\n
\u8bbe\u7f6e\u7528\u4e8eGraphQL<\/h3>\n
\u5c06nest-cli.json\u8fdb\u884c\u5982\u4e0b\u4fee\u6539\u3002<\/p>\n
{<\/span>\r\n  \"$schema\"<\/span>:<\/span> \"https:\/\/json.schemastore.org\/nest-cli\"<\/span>,<\/span>\r\n  \"collection\"<\/span>:<\/span> \"@nestjs\/schematics\"<\/span>,<\/span>\r\n  \"sourceRoot\"<\/span>:<\/span> \"src\"<\/span>,<\/span>\r\n  \"compilerOptions\"<\/span>:<\/span> {<\/span>\r\n    \"plugins\"<\/span>:<\/span> [<\/span>\r\n      {<\/span>\r\n        \"name\"<\/span>:<\/span> \"@nestjs\/graphql\"<\/span>,<\/span>\r\n        \"options\"<\/span>:<\/span> {<\/span>\r\n          \"introspectComments\"<\/span>:<\/span> true<\/span>\r\n        }<\/span>\r\n      }<\/span>\r\n    ]<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u53e6\u5916\uff0c\u4fee\u6539 src\/app.module.ts \u5982\u4e0b\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u81ea\u52a8\u751f\u6210 src\/schema.gql\u3002<\/p>\n
import<\/span> {<\/span> ApolloDriver<\/span>,<\/span> ApolloDriverConfig<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/apollo<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> Module<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/common<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> GraphQLModule<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/graphql<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> join<\/span> }<\/span> from<\/span> '<\/span>path<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> AppController<\/span> }<\/span> from<\/span> '<\/span>.\/app.controller<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> AppService<\/span> }<\/span> from<\/span> '<\/span>.\/app.service<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> TasksModule<\/span> }<\/span> from<\/span> '<\/span>.\/tasks\/tasks.module<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>Module<\/span>({<\/span>\r\n  imports<\/span>:<\/span> [<\/span>\r\n    TasksModule<\/span>,<\/span>\r\n    GraphQLModule<\/span>.<\/span>forRoot<\/span><<\/span>ApolloDriverConfig<\/span>><\/span>({<\/span>\r\n      driver<\/span>:<\/span> ApolloDriver<\/span>,<\/span>\r\n      autoSchemaFile<\/span>:<\/span> join<\/span>(<\/span>process<\/span>.<\/span>cwd<\/span>(),<\/span> '<\/span>src\/schema.gql<\/span>'<\/span>),<\/span>\r\n      debug<\/span>:<\/span> true<\/span>,<\/span>\r\n      playground<\/span>:<\/span> true<\/span>,<\/span>\r\n    }),<\/span>\r\n  ],<\/span>\r\n  controllers<\/span>:<\/span> [<\/span>AppController<\/span>],<\/span>\r\n  providers<\/span>:<\/span> [<\/span>AppService<\/span>],<\/span>\r\n})<\/span>\r\nexport<\/span> class<\/span> AppModule<\/span> {}<\/span>\r\n<\/code><\/pre>\n
GraphQL \u7684\u4f5c\u696d\u6aa2\u67e5<\/h2>\n
\u5f53\u5728\u672c\u5730\u4e3b\u673a\u76843000\u7aef\u53e3\u4e0a\u8bbf\u95ee\u65f6\uff0c\u8bbe\u7f6e\u5230\u8fd9\u4e00\u6b65\u65f6\uff0c\u5c06\u542f\u52a8GraphQL Playground\u3002<\/p>\n
\"image.png\"<\/div>\n
\u5c06 src\/tasks\/tasks.service.ts \u6587\u4ef6\u4e2d\u7684 findAll \u65b9\u6cd5\u66f4\u6539\u5982\u4e0b\u3002<\/p>\n
...<\/span>\r\n  findAll<\/span>()<\/span> {<\/span>\r\n    return<\/span> [];<\/span>\r\n  }<\/span>\r\n...<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u53d1\u51fa\u4ee5\u4e0b\u67e5\u8be2\u4ee5\u83b7\u53d6\u7ed3\u679c\uff08\u8fd4\u56de\u7a7a\u6570\u7ec4\uff09\u3002<\/p>\n
{<\/span>\r\n  tasks<\/span>{<\/span>\r\n    exampleField<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u5f15\u5165TypeORM<\/h2>\n
\u6211\u4f1a\u6dfb\u52a0\u5fc5\u8981\u7684\u8f6f\u4ef6\u5305\u3002<\/p>\n
$ yarn add @nestjs\/typeorm typeorm mysql2 reflect-metadata\r\n<\/code><\/pre>\n
\u5728\u4e2d\u56fd\uff0c\u53ea\u9700\u8981\u4e00\u79cd\u9009\u9879\uff1a\u5f15\u5165typeorm-extension\u3002<\/h3>\n
\u7531\u4e8e\u6211\u60f3\u6267\u884c\u6570\u636e\u5e93\u7684\u521b\u5efa\u548c\u5220\u9664\u64cd\u4f5c\uff0c\u56e0\u6b64\u6211\u8fd8\u4f1a\u5b89\u88c5typeorm-extension\u3002
\n\u94fe\u63a5\uff1ahttps:\/\/github.com\/tada5hi\/typeorm-extension\u3002<\/p>\n
$ yarn add -D typeorm-extension\r\n<\/code><\/pre>\n
\u521b\u5efa\u8bbe\u7f6e\u6587\u4ef6<\/h3>\n
\u6211\u4f1a\u521b\u5efa\u4e24\u4e2a\u8bbe\u7f6e\u6587\u4ef6\u3002<\/p>\n
import<\/span> {<\/span> DataSourceOptions<\/span> }<\/span> from<\/span> '<\/span>typeorm<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> ormconfig<\/span>:<\/span> DataSourceOptions<\/span> =<\/span> {<\/span>\r\n  name<\/span>:<\/span> '<\/span>default<\/span>'<\/span>,<\/span>\r\n  type<\/span>:<\/span> '<\/span>mysql<\/span>'<\/span>,<\/span>\r\n  host<\/span>:<\/span> process<\/span>.<\/span>env<\/span>.<\/span>DB_HOST<\/span>,<\/span>\r\n  port<\/span>:<\/span> parseInt<\/span>(<\/span>process<\/span>.<\/span>env<\/span>.<\/span>DB_PORT<\/span>,<\/span> 10<\/span>),<\/span>\r\n  username<\/span>:<\/span> process<\/span>.<\/span>env<\/span>.<\/span>DB_USERNAME<\/span>,<\/span>\r\n  password<\/span>:<\/span> process<\/span>.<\/span>env<\/span>.<\/span>DB_PASSWORD<\/span>,<\/span>\r\n  database<\/span>:<\/span> process<\/span>.<\/span>env<\/span>.<\/span>DB_DATABASE<\/span>,<\/span>\r\n  synchronize<\/span>:<\/span> false<\/span>,<\/span>\r\n  logging<\/span>:<\/span> false<\/span>,<\/span>\r\n  connectTimeout<\/span>:<\/span> 30<\/span> *<\/span> 1000<\/span>,<\/span>\r\n  entities<\/span>:<\/span> [<\/span>process<\/span>.<\/span>cwd<\/span>()<\/span> +<\/span> '<\/span>\/dist\/**\/entities\/**\/*.entity.js<\/span>'<\/span>],<\/span>\r\n  migrations<\/span>:<\/span> [<\/span>process<\/span>.<\/span>cwd<\/span>()<\/span> +<\/span> '<\/span>\/dist\/database\/migrations\/**\/*.js<\/span>'<\/span>],<\/span>\r\n  charset<\/span>:<\/span> '<\/span>utf8mb4_general_ci<\/span>'<\/span>,<\/span>\r\n};<\/span>\r\nexport<\/span> default<\/span> ormconfig<\/span>;<\/span>\r\n<\/code><\/pre>\n
import<\/span> {<\/span> DataSource<\/span> }<\/span> from<\/span> '<\/span>typeorm<\/span>'<\/span>;<\/span>\r\nimport<\/span> ormconfig<\/span> from<\/span> '<\/span>.\/ormconfig<\/span>'<\/span>;<\/span>\r\n\r\nexport<\/span> const<\/span> AppDataSource<\/span> =<\/span> new<\/span> DataSource<\/span>(<\/span>ormconfig<\/span>);<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa.env\u6587\u4ef6<\/p>\n
# DB\r\nDB_HOST=127.0.0.1\r\nDB_PORT=3306\r\nDB_USERNAME=root\r\nDB_PASSWORD=password\r\nDB_DATABASE=nestjs-typeorm-ts-example\r\n<\/code><\/pre>\n
\u8bf7\u6839\u636e\u9700\u8981\u5728Shell\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u3002\u5efa\u8bae\u5148\u8bbe\u7f6e\u597d\u73af\u5883\u53d8\u91cf\uff0c\u7136\u540e\u542f\u52a8nest\u670d\u52a1\u5668\u3002<\/p>\n
$ export $(cat .env | grep -v ^# | xargs)\r\n<\/code><\/pre>\n
\u6dfb\u52a0\u547d\u4ee4<\/h3>\n
\u5728package.json\u4e2d\u6dfb\u52a0\u547d\u4ee4\u3002<\/p>\n
...<\/span>\r\n  \"scripts\"<\/span>:<\/span> {<\/span>\r\n    ...<\/span>\r\n    \"db:create\"<\/span>:<\/span> \"ts-node .\/node_modules\/typeorm-extension\/dist\/cli\/index.js -f .\/src\/config\/ormconfig.ts db:create\"<\/span>,<\/span>\r\n    \"db:drop\"<\/span>:<\/span> \"ts-node .\/node_modules\/typeorm-extension\/dist\/cli\/index.js -f .\/src\/config\/ormconfig.ts db:drop\"<\/span>,<\/span>\r\n  }<\/span>,<\/span>\r\n...<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa\u6570\u636e\u5e93<\/h3>\n
\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u6570\u636e\u5e93\u3002\u5728\u51fa\u73b0\u9519\u8bef\u65f6\uff0c\u8bf7\u786e\u8ba4\u662f\u5426\u4ece.env\u6587\u4ef6\u4e2d\u8bfb\u53d6\u4e86\u73af\u5883\u53d8\u91cf\uff0c\u5e76\u68c0\u67e5\u914d\u7f6e\u662f\u5426\u6b63\u786e\u3002<\/p>\n
$ yarn db:create\r\n\r\nyarn run v1.22.4\r\n$ ts-node .\/node_modules\/typeorm-extension\/dist\/cli\/index.js -f .\/src\/config\/ormconfig.ts db:create\r\nquery: SELECT VERSION() AS `version`\r\nquery: START TRANSACTION\r\nquery: SELECT * FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = 'nestjs-typeorm-ts-example' AND `TABLE_NAME` = 'typeorm_metadata'\r\nquery: COMMIT\r\n\u2728  Done in 5.61s.\r\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u5982\u679c\u8981\u5220\u9664\u6570\u636e\u5e93\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
$ yarn db:drop\r\n<\/code><\/pre>\n
\u628a\u5b9e\u4f53\u8fde\u63a5\u5230ORM\u3002<\/h3>\n
\u5c06task\u5b9e\u4f53\u8fde\u63a5\u5230ORM\u3002
\n\u7701\u7565\u4e86\u8be6\u7ec6\u7684\u4ee3\u7801\u8bf4\u660e\uff08\u6362\u8a00\u4e4b\uff0c\u6ca1\u6709\u8db3\u591f\u7684\u4e86\u89e3\u6765\u8fdb\u884c\u89e3\u91ca\uff09\u3002<\/p>\n
import<\/span> {<\/span> Field<\/span>,<\/span> ID<\/span>,<\/span> ObjectType<\/span>,<\/span> registerEnumType<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/graphql<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span>\r\n  Entity<\/span>,<\/span>\r\n  Column<\/span>,<\/span>\r\n  PrimaryGeneratedColumn<\/span>,<\/span>\r\n  CreateDateColumn<\/span>,<\/span>\r\n}<\/span> from<\/span> '<\/span>typeorm<\/span>'<\/span>;<\/span>\r\n\r\nexport<\/span> enum<\/span> TaskStatus<\/span> {<\/span>\r\n  NEW<\/span>,<\/span>\r\n  IN_PROGRESS<\/span>,<\/span>\r\n  COMPLETE<\/span>,<\/span>\r\n}<\/span>\r\n\r\nregisterEnumType<\/span>(<\/span>TaskStatus<\/span>,<\/span> {<\/span>\r\n  name<\/span>:<\/span> '<\/span>TaskStatus<\/span>'<\/span>,<\/span>\r\n});<\/span>\r\n\r\n@<\/span>Entity<\/span>()<\/span>\r\n@<\/span>ObjectType<\/span>()<\/span>\r\nexport<\/span> class<\/span> Task<\/span> {<\/span>\r\n  @<\/span>PrimaryGeneratedColumn<\/span>()<\/span>\r\n  @<\/span>Field<\/span>(()<\/span> =><\/span> ID<\/span>)<\/span>\r\n  id<\/span>:<\/span> string<\/span>;<\/span>\r\n\r\n  @<\/span>Column<\/span>({<\/span> length<\/span>:<\/span> '<\/span>255<\/span>'<\/span> })<\/span>\r\n  @<\/span>Field<\/span>()<\/span>\r\n  title<\/span>:<\/span> string<\/span>;<\/span>\r\n\r\n  @<\/span>Column<\/span>(<\/span>'<\/span>text<\/span>'<\/span>)<\/span>\r\n  @<\/span>Field<\/span>({<\/span> nullable<\/span>:<\/span> true<\/span> })<\/span>\r\n  description<\/span>:<\/span> string<\/span>;<\/span>\r\n\r\n  @<\/span>Column<\/span>({<\/span>\r\n    type<\/span>:<\/span> '<\/span>enum<\/span>'<\/span>,<\/span>\r\n    enum<\/span>:<\/span> TaskStatus<\/span>,<\/span>\r\n    default<\/span>:<\/span> TaskStatus<\/span>.<\/span>NEW<\/span>,<\/span>\r\n  })<\/span>\r\n  @<\/span>Field<\/span>(()<\/span> =><\/span> TaskStatus<\/span>)<\/span>\r\n  status<\/span>:<\/span> TaskStatus<\/span>;<\/span>\r\n\r\n  @<\/span>CreateDateColumn<\/span>()<\/span>\r\n  @<\/span>Field<\/span>()<\/span>\r\n  createdAt<\/span>:<\/span> Date<\/span>;<\/span>\r\n\r\n  @<\/span>CreateDateColumn<\/span>()<\/span>\r\n  @<\/span>Field<\/span>()<\/span>\r\n  updatedAt<\/span>:<\/span> Date<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
import<\/span> {<\/span> InputType<\/span>,<\/span> Field<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/graphql<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> MaxLength<\/span> }<\/span> from<\/span> '<\/span>class-validator<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> TaskStatus<\/span> }<\/span> from<\/span> '<\/span>..\/entities\/task.entity<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>InputType<\/span>()<\/span>\r\nexport<\/span> class<\/span> CreateTaskInput<\/span> {<\/span>\r\n  @<\/span>MaxLength<\/span>(<\/span>255<\/span>)<\/span>\r\n  @<\/span>Field<\/span>()<\/span>\r\n  title<\/span>:<\/span> string<\/span>;<\/span>\r\n\r\n  @<\/span>Field<\/span>()<\/span>\r\n  description<\/span>:<\/span> string<\/span>;<\/span>\r\n\r\n  @<\/span>Field<\/span>(()<\/span> =><\/span> TaskStatus<\/span>)<\/span>\r\n  status<\/span>:<\/span> TaskStatus<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
import<\/span> {<\/span> CreateTaskInput<\/span> }<\/span> from<\/span> '<\/span>.\/create-task.input<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> InputType<\/span>,<\/span> Field<\/span>,<\/span> Int<\/span>,<\/span> PartialType<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/graphql<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>InputType<\/span>()<\/span>\r\nexport<\/span> class<\/span> UpdateTaskInput<\/span> extends<\/span> PartialType<\/span>(<\/span>CreateTaskInput<\/span>)<\/span> {<\/span>\r\n  @<\/span>Field<\/span>(()<\/span> =><\/span> Int<\/span>)<\/span>\r\n  id<\/span>:<\/span> number<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6211\u4f1a\u521b\u5efa\u8fc1\u79fb\u3002<\/p>\n
$ npx ts-node .\/node_modules\/.bin\/typeorm migration:generate src\/database\/migrations\/create-task -d src\/config\/ormdatasource\r\n<\/code><\/pre>\n
\u6267\u884c\u8fc1\u79fb\u3002<\/p>\n
$ npx ts-node .\/node_modules\/.bin\/typeorm migration:run -d src\/config\/ormdatasource\r\n<\/code><\/pre>\n
import<\/span> {<\/span> Injectable<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/common<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> InjectRepository<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/typeorm<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> Repository<\/span> }<\/span> from<\/span> '<\/span>typeorm<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> CreateTaskInput<\/span> }<\/span> from<\/span> '<\/span>.\/dto\/create-task.input<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> UpdateTaskInput<\/span> }<\/span> from<\/span> '<\/span>.\/dto\/update-task.input<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> Task<\/span> }<\/span> from<\/span> '<\/span>.\/entities\/task.entity<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>Injectable<\/span>()<\/span>\r\nexport<\/span> class<\/span> TasksService<\/span> {<\/span>\r\n  constructor<\/span>(<\/span>\r\n    @<\/span>InjectRepository<\/span>(<\/span>Task<\/span>)<\/span>\r\n    private<\/span> taskRepostiory<\/span>:<\/span> Repository<\/span><<\/span>Task<\/span>><\/span>,<\/span>\r\n  )<\/span> {}<\/span>\r\n\r\n  async<\/span> create<\/span>(<\/span>createTaskInput<\/span>:<\/span> CreateTaskInput<\/span>)<\/span> {<\/span>\r\n    const<\/span> task<\/span> =<\/span> this<\/span>.<\/span>taskRepostiory<\/span>.<\/span>create<\/span>(<\/span>createTaskInput<\/span>);<\/span>\r\n    await<\/span> this<\/span>.<\/span>taskRepostiory<\/span>.<\/span>save<\/span>(<\/span>task<\/span>);<\/span>\r\n    return<\/span> task<\/span>;<\/span>\r\n  }<\/span>\r\n\r\n  findAll<\/span>()<\/span> {<\/span>\r\n    return<\/span> this<\/span>.<\/span>taskRepostiory<\/span>.<\/span>find<\/span>();<\/span>\r\n  }<\/span>\r\n\r\n  async<\/span> findOne<\/span>(<\/span>id<\/span>:<\/span> number<\/span>)<\/span> {<\/span>\r\n    return<\/span> await<\/span> this<\/span>.<\/span>taskRepostiory<\/span>.<\/span>findOne<\/span>({<\/span>\r\n      where<\/span>:<\/span> {<\/span>\r\n        id<\/span>,<\/span>\r\n      },<\/span>\r\n    });<\/span>\r\n  }<\/span>\r\n\r\n  async<\/span> update<\/span>(<\/span>id<\/span>:<\/span> number<\/span>,<\/span> updateTaskInput<\/span>:<\/span> UpdateTaskInput<\/span>)<\/span> {<\/span>\r\n    const<\/span> task<\/span> =<\/span> this<\/span>.<\/span>findOne<\/span>(<\/span>id<\/span>);<\/span>\r\n    if <\/span>(<\/span>task<\/span>)<\/span> {<\/span>\r\n      await<\/span> this<\/span>.<\/span>taskRepostiory<\/span>.<\/span>save<\/span>(<\/span>updateTaskInput<\/span>);<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n\r\n  async<\/span> remove<\/span>(<\/span>id<\/span>:<\/span> number<\/span>)<\/span> {<\/span>\r\n    const<\/span> result<\/span> =<\/span> await<\/span> this<\/span>.<\/span>taskRepostiory<\/span>.<\/span>delete<\/span>(<\/span>id<\/span>);<\/span>\r\n    return<\/span> result<\/span>.<\/span>affected<\/span> ><\/span> 0<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
import<\/span> {<\/span> Module<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/common<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> TasksService<\/span> }<\/span> from<\/span> '<\/span>.\/tasks.service<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> TasksResolver<\/span> }<\/span> from<\/span> '<\/span>.\/tasks.resolver<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> Task<\/span> }<\/span> from<\/span> '<\/span>.\/entities\/task.entity<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> TypeOrmModule<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/typeorm<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>Module<\/span>({<\/span>\r\n  imports<\/span>:<\/span> [<\/span>TypeOrmModule<\/span>.<\/span>forFeature<\/span>([<\/span>Task<\/span>])],<\/span>\r\n  exports<\/span>:<\/span> [<\/span>TypeOrmModule<\/span>],<\/span>\r\n  providers<\/span>:<\/span> [<\/span>TasksResolver<\/span>,<\/span> TasksService<\/span>],<\/span>\r\n})<\/span>\r\nexport<\/span> class<\/span> TasksModule<\/span> {}<\/span>\r\n<\/code><\/pre>\n
import<\/span> {<\/span> ApolloDriver<\/span>,<\/span> ApolloDriverConfig<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/apollo<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> Module<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/common<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> GraphQLModule<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/graphql<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> join<\/span> }<\/span> from<\/span> '<\/span>path<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> AppController<\/span> }<\/span> from<\/span> '<\/span>.\/app.controller<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> AppService<\/span> }<\/span> from<\/span> '<\/span>.\/app.service<\/span>'<\/span>;<\/span>\r\nimport<\/span> ormconfig<\/span> from<\/span> '<\/span>.\/config\/ormconfig<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> TypeOrmModule<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/typeorm<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> TasksModule<\/span> }<\/span> from<\/span> '<\/span>.\/tasks\/tasks.module<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>Module<\/span>({<\/span>\r\n  imports<\/span>:<\/span> [<\/span>\r\n    TypeOrmModule<\/span>.<\/span>forRoot<\/span>(<\/span>ormconfig<\/span>),<\/span>\r\n    GraphQLModule<\/span>.<\/span>forRoot<\/span><<\/span>ApolloDriverConfig<\/span>><\/span>({<\/span>\r\n      driver<\/span>:<\/span> ApolloDriver<\/span>,<\/span>\r\n      autoSchemaFile<\/span>:<\/span> join<\/span>(<\/span>process<\/span>.<\/span>cwd<\/span>(),<\/span> '<\/span>src\/schema.gql<\/span>'<\/span>),<\/span>\r\n      debug<\/span>:<\/span> true<\/span>,<\/span>\r\n      playground<\/span>:<\/span> true<\/span>,<\/span>\r\n    }),<\/span>\r\n    TasksModule<\/span>,<\/span>\r\n  ],<\/span>\r\n  controllers<\/span>:<\/span> [<\/span>AppController<\/span>],<\/span>\r\n  providers<\/span>:<\/span> [<\/span>AppService<\/span>],<\/span>\r\n})<\/span>\r\nexport<\/span> class<\/span> AppModule<\/span> {}<\/span>\r\n<\/code><\/pre>\n
\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5df2\u7ecf\u80fd\u591f\u4f7f\u7528GraphQL\u6765\u64cd\u4f5c\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u6216\u63d0\u53d6\u5230MySQL\u4e2d\u3002<\/p>\n
\u8bf7\u4f7f\u7528GraphQL\u6765\u9a8c\u8bc1\u6570\u636e\u64cd\u4f5c\u7684\u8fd0\u884c\u60c5\u51b5\u3002<\/h2>\n
\u8981\u65b0\u589e\u4e00\u4e2a\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n
mutation<\/span> {<\/span>\r\n  createTask<\/span>(<\/span>createTaskInput<\/span>:{<\/span>title<\/span>:<\/span>\"Hello\"<\/span>,<\/span> description<\/span>:<\/span>\"Hello World!\"<\/span>,<\/span> status<\/span>:<\/span> NEW<\/span>})<\/span> {<\/span>\r\n    id<\/span>\r\n    title<\/span>\r\n    description<\/span>\r\n    status<\/span>\r\n    createdAt<\/span>\r\n    updatedAt<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u8981\u83b7\u53d6\u5217\u8868\uff0c\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u3002<\/p>\n
{<\/span>\r\n  tasks<\/span>{<\/span>\r\n    id<\/span>\r\n    title<\/span>\r\n    description<\/span>\r\n    status<\/span>\r\n    createdAt<\/span>\r\n    updatedAt<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/div>\n
\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u5b58\u50a8\u65b9\u5f0f\u5982\u4e0b\u3002<\/p>\n
\"image.png\"<\/div>\n
\u6982\u62ec\u4e00\u4e0b<\/h2>\n
\u5b9e\u9645\u4e0a\uff0c\u8fc1\u79fb\u8bbe\u7f6e\u548c\u547d\u4ee4\u82b1\u8d39\u4e86\u6700\u591a\u7684\u65f6\u95f4\u3002\u6211\u53c2\u8003\u4e86\u4e00\u7bc7\u6587\u7ae0\u5e76\u501f\u7528\u4e86\u5176\u4e2d\u7684\u4e00\u4e9b\u4ee3\u7801\u3002\u975e\u5e38\u611f\u8c22\u524d\u8f88\u4eec\u7684\u5e2e\u52a9\u3002<\/p>\n
\u8bf7\u63d0\u4f9b\u66f4\u591a\u7684\u4e0a\u4e0b\u6587\u3002<\/h2>\n
    \n
  • \n
      https:\/\/zenn.dev\/naonao70\/articles\/a91d8835f1832b<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          https:\/\/zenn.dev\/msksgm\/articles\/20211107-typeorm-ormconfig<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              https:\/\/qiita.com\/potato4d\/items\/64a1f518abdfe281ce01<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                \n
              • \n
                  https:\/\/zenn.dev\/hakushun\/articles\/7daac74ae9af25<\/ul>\n<\/li>\n<\/ul>\n
                   <\/p>\n
                    \n
                  • \n
                      https:\/\/zenn.dev\/azukiazusa\/articles\/e84be9735d357e<\/ul>\n<\/li>\n<\/ul>\n
                       <\/p>\n
                        \n
                      • \n
                          https:\/\/www.kindacode.com\/snippet\/using-enum-type-in-typeorm\/<\/ul>\n<\/li>\n<\/ul>\n
                           <\/p>\n
                            https:\/\/www.wakuwakubank.com\/posts\/729-typeorm-migration\/<\/ul>\n","protected":false},"excerpt":{"rendered":"
                            \u9996\u5148 \u6211\u8bd5\u7740\u4f7f\u7528GraphQL+NestJS+TypeORM+MySQL\u6765\u642d\u5efa\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u7684\u521d\u59cb\u73af\u5883\u3002\u9664\u4e86My […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-48062","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u6211\u5728GraphQL+NestJS+TypeORM+MySQL\u4e0a\u5c1d\u8bd5\u4e86\u4e00\u4e0bHelloworld - 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\/\u6211\u5728graphqlnestjstypeormmysql\u4e0a\u5c1d\u8bd5\u4e86\u4e00\u4e0bhelloworld\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6211\u5728GraphQL+NestJS+TypeORM+MySQL\u4e0a\u5c1d\u8bd5\u4e86\u4e00\u4e0bHelloworld\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u6211\u8bd5\u7740\u4f7f\u7528GraphQL+NestJS+TypeORM+MySQL\u6765\u642d\u5efa\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u7684\u521d\u59cb\u73af\u5883\u3002\u9664\u4e86My […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6211\u5728graphqlnestjstypeormmysql\u4e0a\u5c1d\u8bd5\u4e86\u4e00\u4e0bhelloworld\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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