Vant中List列表下拉加载更多

<template>
    <div class="scholl-declarepage">
        <van-list
            v-model="loading"
            :finished="finished"
            finished-text="没有更多了"
            @load="onLoad"
            :immediate-check="cheack"
            >
                <swipe-cell
                custom
                class="bootom-having-border"
                :isEdit="isEdit"
                v-for="(item,index) in listAchool" :key="index"
                @edit="detior(item)"
                @remove="delItem(item)"
                >
                    <scholl-list-com :listObj="item" @gotodetails="gotodetails(item)"></scholl-list-com>
                </swipe-cell>
            </van-list>  
    </div>
</template>

loading: false,
finished: false,
 cheack:true,
paramsList:{
  orgId: "",
  pageIndex: 0,
  pageSize: 10 
},
listAchool:[],
 onLoad(){
  this.paramsList.pageIndex+=1;
   this.schoolListContApi();//列表渲染
},
   schoolListContApi(){
                this.paramsList.orgId=this.userInfo.orgId,
                schoolListCont(this.paramsList).then(res=>{
                    console.log(res);
                    if(res.success==true){
                        this.loading = false;// 这一次的加载状态结束 
                        this.listAchool=this.listAchool.concat(res.data); 
                       if(res.data.length==0 || this.listAchool.length>=res.totalDatas){
                            this.finished = true;//所有的数据已经全部加载完了
                        }else{
                            this.finished = false;
                        }
                    }else{
                        this.finished = false;
                    }
                })
            },  
 // 删除请求
commendDelApi(item){
  let params={
    id:item.id
  }
  schoolDelCont(params).then(res=>{
    if(res.success==true){
      this.paramsList.pageIndex=1;//重新赋值
      this.listAchool=[];
      this.schoolListContApi();
    }   
  })
},