VIP20/19_Node.js/day-5/code/koa-app/index.js

import Koa from 'koa';
import { DBMiddleware } from './db/index.js';

const app = new Koa();

app.use(DBMiddleware);

app.use(async (ctx) => {
  let res = await ctx.execute('select * from users;');

  ctx.body = {
    code: 0,
    msg: '数据查询成功',
    data: res,
  };
});

app.listen(4000, () => {
  console.log('Server is running at port:', 4000);
});