添加css样式
$("#txtName").addClass("aa");

----------------------------------关闭弹窗刷新父页面-----------------------------------
if(result.retStatus.retCode == 1){
    layer.msg(result.retStatus.errMsg);
    window.setTimeout(function () {window.parent.location.href='query.jhtml'; }, 1000);
    }else{
    layer.msg(result.retStatus.errMsg);
    }
    
    
success : function(data) {
    var code = data.retStatus.retCode;
    if(code == "1"){
        layer.msg(data.retStatus.errMsg);
        window.parent.location.reload();
        var index = parent.layer.getFrameIndex(window.name); 
        parent.layer.close(index);
        return true;
    }else {
        layer.msg(data.retStatus.errMsg);
        return false;
    }
}

window.setTimeout(function () {window.location.href='query.jhtml'; }, 1000);

--------------------------------------隐藏框的变化----------------------------------------------------------
<select name="isPage" id="isPage" lay-filter="isPage">
    <option value="">--请选择--</option>
    <option value="1" <#if channel.isPage?? && channel.isPage == '1' >selected="selected"</#if>>是</option>
    <option value="0" <#if channel.isPage?? && channel.isPage == '0' >selected="selected"</#if>>否</option>
</select>
<script>
    layui.use('form', function(){
      var form = layui.form();
      form.on('select(isPage)', function(data){
          console.log(data.value);
          if(data.value=='1'){
                $("#tr_id").show();
            }else {
                $("#tr_id").hide();
            }
        });
    });
</script>


--------------------------------------防连击----------------------------------------------------------
$(".btn-huikuan").removeAttr("onclick");//移除事件
$(".btn-huikuan").attr("onclick","returnBtn();");//添加事件