npm i egg-mongoose --save

exports.mongoose = {

  enable: true,

  package: 'egg-mongoose',

};

exports.mongoose = {

    url: 'mongodb://127.0.0.1/demo',

    //链接到本地的MongoDB，demo是我本地数据库的名字，根据自己数据库名字进行填写即可

    options: {},

};

// app/model/user.js

module.exports = app => {

    const mongoose = app.mongoose;

    const Schema = mongoose.Schema;

    const UserSchema = new Schema({

      userName: { type: String  },

      password: { type: String  }

    });

    // 以上定义了表数据的类型

    return mongoose.model('User', UserSchema, 'userInfo');

    // model(参数1，参数2，参数3）参数3是你数据表中需要操作的表的名字，

    // 比如我现在要操作的是名字叫mongoTest里面的叫userInfo的表

}

'use strict';

// app/service/user.js

const Service = require('egg').Service;

class UserService extends Service {

  async findUserList() {

    return this.ctx.model.User.find()

  }

}

module.exports = UserService;

'use strict';

const Controller = require('egg').Controller;

class UserController extends Controller {

  async findUser() {

    // console.log(this.ctx.service.user.findUserList())

    // let ret = await this.ctx.service.user.findUserList()

    // this.ctx.body = ret

    this.ctx.body = await this.ctx.service.user.findUserList()

  }

}

module.exports = UserController;

'use strict';

/**

 * @param {Egg.Application} app - egg application

 */

module.exports = app => {

  const { router, controller } = app;

  router.get('/findUser', controller.user.findUser);

};