下拉滚动加载

loadMore() {
  this.page++
  if(this.upLoading) {
    $.ajax({
      type: 'GET',
      url: "intern_list",
      data:{
        limit:10,
        page:this.page
      },
      dataType: 'json',
      success: (res)=> {
        if(res.code === 200){
          if(res.msg.intern_list.length > 0) {
            this.upLoading = true;
            let dataList = this.interns;
            for (let i = 0; i < res.msg.intern_list.length; i++) {
              dataList.push(res.msg.intern_list[i])
            }
            this.interns = dataList;
          }else {
            this.upLoading = false;
            this.isload = true
          }
        }
      }
    })
  }
  else{
    this.isload = true
  }
},

scrool(){
  window.onscroll = ()=>{
    // scrollTop 滚动条滚动时，距离顶部的距离
    var scrollTop = document.documentElement.scrollTop || document.body.scrollTop;
    // windowHeight 可视区的高度
    var windowHeight = document.documentElement.clientHeight || document.body.clientHeight;
    // scrollHeight 滚动条的总高度
    var scrollHeight = document.documentElement.scrollHeight || document.body.scrollHeight;
    // 滚动条到底部的条件
    if(scrollTop + windowHeight == scrollHeight){
      // 加载数据
      this.loadMore();
    }
  }
},