js动态获取对象

 //封装srcList
    fz_srcList(){
      for(var x=0;x<this.queryParams.pageSize;x++){
        var srcList = [];
          for(var i=1;i<=7;i++){
            var uri =  this.workOrderList[x]['image'+i];
            if(uri != null){
              srcList.push(uri)
            }
          }
          this.workOrderList[x].srcList = srcList;
      }
    },