小程序操作数据库

//小程序控制台phpmyadmin里给数据库cAuth添加表//controllers/hello.jsconst { mysql } = require('../qcloud')module.exports = async ctx =>{  console.log('exeu sql')  var id = 2  //add  var book = {    id: id,    name: "bingyuhuozhige",    price:88  }  await mysql("Book").insert(book)  //search  var res = await mysql("Book").where({ id }).first()  console.log(res)  //update  await mysql("Book").update({ price: 66 }).where({ id })  //search  var res = await mysql("Book").where({ id }).first()  console.log(res)  //delete  await mysql("Book").del().where({ id })  //search  var res = await mysql("Book").where({ id }).first()  console.log(res)  ctx.state.data = {    msg: 'zheng junfei hello'  }}