<script type="text/JavaScript" src="../js/jQuery-1.3.2.min.js"></script>
<script type="text/javascript" src="../js/jquery.validate.min.js"></script>
<script type="text/javascript" src="../js/messages_cn.js"></script>

<form name="form1" id="form1" method="post" action="">
<dl>
 <dt>用戶名：</dt>
 <dd><input name="txtUserName" id="txtUserName" type="text" class="input1" /></dd>
</dl>
</form>

$(function() {
//表單驗(yàn)證JS
  $("#form1").validate({
    //出錯(cuò)時(shí)添加的標(biāo)簽
    errorElement: "span",
    rules: {
      txtUserName: {
        required: true,
        minlength: 3,
        maxlength: 16,
        remote: {
          type: "post",
          url: "/tools/ValidateUserName.ashx",
          data: {
            username: function() {
              return $("#txtUserName").val();
            }
          },
          dataType: "html",
          dataFilter: function(data, type) {
            if (data == "true")
              return true;
            else
              return false;
          }
        }
      }
    },
    success: function(label) {
      //正確時(shí)的樣式
      label.text(" ").addClass("success");
    },
    messages: {
      txtUserName: {
        required: "請(qǐng)輸入用戶名，3-16個(gè)字符（字母、數(shù)字、下劃線），注冊(cè)后不能更改",
        minlength: "用戶名長(zhǎng)度不能小于3個(gè)字符",
        maxlength: "用戶名長(zhǎng)度不能大于16個(gè)字符",
        remote: "用戶名不可用"
      }
    }
  });
});

data: {
  username: function() {
  return $("#txtUserName").val();
}