Thiscomparisonappearstobeunintentionalbecausethetypes'"up"|"down"'and'"up"'havenooverlap.<ArkTSCheck>onToggle(dir:"up"|"down"){constidList=AppStora

公司有个项目，界面很卡，同事怀疑是DataTable刷新引起的，我写了一个小Demo测试一下这块的性能。测试的结果DataTalbe的绑定非常的耗时我的前台代码：<DataGridGrid.Row="1"AutoGenerateColumns="True"BorderBrush="LightGray"ItemsSource="{BindingItems}"

  首先在标签中声明@selection-change="handleSelectionChange"之后在script中的methods当中编写该方法console.log(this.$refs.cgTable.selection);这一行代码可以获取你所选择的所有行this.idList=this.$refs.cgTable.selection.map((item)=>item.id);运用map获

dao层intdelUser(@Param("menuId")IntegermenuId,@Param("idList")List<String>idList);xml层<deleteid="delUser">deleteFROMuser_role_menuWHEREmenu_id=#{menuId}ANDuser_idNOTIN<f