EasyUI validatebox 自定义ajax验证用户名是否已存在

<td><input type="text" id="userName" name="userName" class="easyui-validatebox" validType="userName[6,30]" required="true"/></td>

 

JS

$.extend($.fn.validatebox.defaults.rules, {
  userName: {
        validator: function(value,param){
          var data0 = false;
          if(value.length >= param[0] && param[1] >= value.length) {
            $.ajax({
              type: "POST",async:false,
              url:'${pageContext.request.contextPath}/user/validate.do',
              dataType:"json",
              data:{"userName":value},
              async:false,
              success: function(data){
                data0=data.valid;
              }
            });
          }else{
            param[2] = "请输入"+param[0]+"-"+param[1]+"位字符.";
            return false;
          }

          param[2] = "用户名称已存在.";
          return data0;
          },
          message: ""
        }

}); 

posted @ 2018-06-14 18:03  墨子桥  阅读(1257)  评论(0编辑  收藏  举报