text: // 云函数入口文件
  const cloud = require('wx-server-sdk')
  
  cloud.init()
  //声明数据库
  const db = cloud.database()
  
  // 云函数入口函数
  exports.main = async (event, context) => {
    //取得传过来的参数
    var openId = event.openId,
      id = event.id;
    try {
      return await db.collection('shoucang').where({
        _openid: openId,
        detailId: id
      }).remove()
    } catch (e) {
      console.error(e)
    }
  }