server-position/app/controller/home.js

'use strict';

const Controller = require('egg').Controller;
const { BusinessError, ErrorCode } = require('naf-core').Error;

class HomeController extends Controller {
  async index() {
    const { ctx } = this;
    ctx.body = 'hi, egg';
  }
  async util() {
    const res = await this.ctx.model.Position.deleteMany();
    this.ctx.ok(res);
  }
}

module.exports = HomeController;