const cloth1 = wx.cloud.database().collection('yichu1')

const cloth2 = wx.cloud.database().collection('yichu2')

const cloth3 = wx.cloud.database().collection('yichu3')

const cloth4 = wx.cloud.database().collection('yichu4')

cloth1.get({

          success:function(res){

            that.setData({

              coatList:res.data

            })

            console.log(that.data.coatList)

            app.coatList = that.data.coatList 

        }

        });

        cloth2.get({

          success:function(res){

            that.setData({

              topList:res.data

            })

            console.log(that.data.topList)

            app.topList = that.data.topList 

        }

        });

        cloth3.get({

          //如果查询成功的话

          success:res=>{

            that.setData({

              skirtList:res.data

            })

            app.skirtList = that.data.skirtList

        }

        });

        cloth4.get({

          //如果查询成功的话

          success:function(res){

            that.setData({

              pantsList:res.data

            })

            app.pantsList = that.data.pantsList

        }

        });

第一个res可以获取到集合，其他的几个都不能获取数据