The better-scroll rollback problem is used in vue, and the page height cannot be obtained even after the pull-up load cannot be done.

use better-scroll pull-up to load the bounce problem in vue. Only after the pull-up bounce twice can you see the data loaded by pull-up.
cannot refresh the page height

< div class= "main" ref= "wrapper" >

         <div class="main-box" >
                 <div class="box" v-for="item in data">
                         <img src="../../../static/img/banner.png" alt="" />
                         <img src="../../../static/img/banner.png" alt="" />
                 </div>
         </div>
    </div>

    .main{
        border: 1px solid red;
        width: 100%;
        position: absolute;
        top:46px;
        bottom:53px;
        overflow: hidden;
    }
    .main-box{
        display: flex;
        flex-direction: column;
    }
    .box{
        display: flex;
        justify-content: space-between;
        padding-bottom: 5px;
        
    }
    .box >img:nth-child(1){
            width: 49%;
            height: 100px;
    }
    .box >img:nth-child(2){
            width: 49%;
            height: 100px;
    }
    
    mounted(){
           this.$nextTick(() => {
             this.scroll = new BScroll(this.$refs.wrapper, {
                  pullUpLoad: {
                    threshold: -53,
                  },
                  resizePolling:60
                })
                   this.load()    //
            }) 
    },
    
   created(){
         this.LoadMore()   //
   },

     methods:{
           load(){   //    
            this.scroll.on("pullingUp", () => {   
                  this.LoadMore()    //
             })
        },


        LoadMore(){
             this.axios({
                    url:"/wxapi-web/diaryInfo/getDiaryInfoByCategoryId",
                    method:"get",
                    params:{
                          categoryID: -1, //tabid
                          pageNum: this.pageNum, //
                          pageSize: this.pageSize,
                    }
                  }).then(res=>{
                      
                            this.data = [...this.data,...res.data.pageInfo.list]
                            this.pageNumPP
                            console.log(this.data)
                            this.scroll.refresh()
                          this.scroll.finishPullUp()
                         
                        if (!res.data.pageInfo.hasNextPage) { //
                          this.scroll.finishPullUp()
                           console.log("")
                }    
               })
          }

       },
Jan.25,2022
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