layui的点击table行选中复选框

          $(document).on("click",".layui-table-body table.layui-table tbody tr",function(){
         var obj = event ? event.target : event.srcElement;
         var tag = obj.tagName;
         var checkbox = $(this).find("td div.laytable-cell-checkbox div.layui-form-checkbox I");
         if(checkbox.length!=0){
             if(tag == 'DIV') {
                 checkbox.click();
             }
         }

     });

     $(document).on("click","td div.laytable-cell-checkbox div.layui-form-checkbox",function(e){
         e.stopPropagation();
     });