NestJS入门6：日志中间件

nest g middleware logger middleware

import { Injectable, NestMiddleware } from '@nestjs/common';
import { Request, Response } from 'express';
 
@Injectable()
export class LoggerMiddleware implements NestMiddleware {
  use(req: Request, res: Response, next: () => void) {
    const {method, path} = req;
    console.log(`${method} ${path}`);
    next();
  }
}

import { Module } from '@nestjs/common';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import { UserModule } from "./user/user.module";
import { TypeOrmModule } from "@nestjs/typeorm";
import { LoggerMiddleware } from './middleware/logger/logger.middleware';
import { MiddlewareBuilder } from '@nestjs/core';
 
@Module({
  imports: [UserModule,
    TypeOrmModule.forRoot({
      type: "mysql",
      host: "localhost",
      port: 3306,
      username: "root",
      password: "root",
      database: "user", //数据库名称
      entities: ["dist/**/*.entity{.ts,.js}"], //扫描本项目中.entity.ts或者.entity.js的文件
      synchronize: true,
    }),],
  controllers: [AppController],
  providers: [AppService],
})
export class AppModule {
  configure(consumer: MiddlewareBuilder){
 
    consumer.apply(LoggerMiddleware).forRoutes('user');
  }
 
 
 
}

consumer.apply(LoggerMiddleware).forRoutes('*');