刚刚

// 云函数入口文件

const cloud = require(‘wx-server-sdk’)

cloud.init()

const db = cloud.database()

const _ = db.command

// 云函数入口函数

exports.main = async (event, context) => {

var delete_list=’’

  ordersColle.field({ time: true }).get().then(res => {

    this.setData({

      delete_list:res.data

    })

    this.data.delete_list.forEach(function (item, index) {

      var nowTime = new Date();

      var time=new Date(item.time)

      var cha = nowTime.getTime() - time;

      var hours = cha/(1000*60*60)

      if (hours > 24) {

         await db.collection(‘orders’).where({ time: event.time }).remove();

      }

   })

})

          return

}