[英]connect to mssql in Nestjs with Typeorm, but Nest can't resolve dependencies of the EmployeeRepository
我將 Nestjs 中的 mssql 與 Typeorm 連接並得到錯誤Nest can't resolve dependencies of the EmployeeRepository
我的 app.module.ts 文件:
import { Module } from '@nestjs/common';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import config from '../ormconfig';
import { TypeOrmModule } from '@nestjs/typeorm';
import { EmployeesModule } from './employees/employees.module';
@Module({
imports: [
TypeOrmModule.forRoot({ ...config, autoLoadEntities: true }),
EmployeesModule,
],
controllers: [AppController],
providers: [AppService],
})
export class AppModule {}
ormconfig.ts 文件:
const config: SqlServerConnectionOptions = {
type: 'mssql',
host: 'localhost',
port: 1433,
username: 'sa',
password: 'sa',
database: 'db1',
synchronize: false,
};
export default config;
employees.module.ts 文件:
import { Module } from '@nestjs/common';
import { TypeOrmModule } from '@nestjs/typeorm';
import { Employee } from './employee.entity';
import { EmployeesController } from './employees.controller';
import { EmployeesService } from './employees.service';
@Module({
imports: [TypeOrmModule.forFeature([Employee])],
providers: [EmployeesService],
controllers: [EmployeesController],
})
export class EmployeesModule {}
employees.service.ts 文件:
import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { Employee } from './employee.entity';
@Injectable()
export class EmployeesService {
constructor(
@InjectRepository(Employee)
private employeesRepository: Repository<Employee>,
) {}
findAll(): Promise<Employee[]> {
return this.employeesRepository.find();
}
}
employee.entity.ts 文件:
import {
Entity,
PrimaryGeneratedColumn,
Column,
BaseEntity,
} from 'typeorm';
@Entity('Employees')
export class Employee extends BaseEntity {
@PrimaryGeneratedColumn({ type: 'int' })
EmployeeID!: number;
@Column({ type: 'nvarchar', length: 50 })
FirstName!: string;
@Column({ type: 'nvarchar', length: 50 })
LastName!: string;
...
}
employees.controller.ts 文件只做 CLI 創建的准系統。 在 mssql 的 db1 中有一個名為Employees
的表。 我只是無法弄清楚為什么會這樣。 我什至嘗試刪除 dist 和 node_modules,但沒有運氣。
我的 package.json 的主要部件
"scripts": {
"prebuild": "rimraf dist",
"build": "nest build",
"format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
"start": "nest start",
"start:dev": "nest start --watch",
"start:debug": "nest start --debug --watch",
"start:prod": "node dist/main",
"lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
"test": "jest",
"test:watch": "jest --watch",
"test:cov": "jest --coverage",
"test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
"test:e2e": "jest --config ./test/jest-e2e.json"
},
"dependencies": {
"@nestjs/common": "^7.6.15",
"@nestjs/core": "^7.6.15",
"@nestjs/platform-express": "^7.6.15",
"@nestjs/typeorm": "^7.1.5",
"mssql": "^7.1.0",
"reflect-metadata": "^0.1.13",
"rimraf": "^3.0.2",
"rxjs": "^6.6.6",
"typeorm": "^0.2.34"
},
"devDependencies": {
"@nestjs/cli": "^7.6.0",
"@nestjs/schematics": "^7.3.0",
"@nestjs/testing": "^7.6.15",
"@types/express": "^4.17.11",
"@types/jest": "^26.0.22",
"@types/node": "^14.14.36",
"@types/supertest": "^2.0.10",
"@typescript-eslint/eslint-plugin": "^4.19.0",
"@typescript-eslint/parser": "^4.19.0",
"eslint": "^7.22.0",
"eslint-config-prettier": "^8.1.0",
"eslint-plugin-prettier": "^3.3.1",
"jest": "^26.6.3",
"prettier": "^2.2.1",
"supertest": "^6.1.3",
"ts-jest": "^26.5.4",
"ts-loader": "^8.0.18",
"ts-node": "^9.1.1",
"tsconfig-paths": "^3.9.0",
"typescript": "^4.2.3"
},
我建議在您的配置中添加實體路徑,以便它可以找到文件:
type: 'mssql',
host: 'localhost',
port: 1433,
username: 'sa',
password: 'sa',
database: 'db1',
entities: ["dist/**/*.entity{.ts,.js}"],
synchronize: false,
};
文檔: https://docs.nestjs.com/techniques/database#repository-pattern
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