<div class="layer_form">
  <div class="form_item">
   <label>手机号码：</label>
   <div class="form_item_input">
    <input type="text" id="username" placeholder="手机号码" class="input_long"/>
   </div>
   <i class="red">*</i>
  </div>
  <div class="form_item">
   <label>密 码：</label>
   <div class="form_item_input">
    <input type="password" id="password" placeholder="请输入密码" class="input_long"/>
   </div>
   <i>*</i>
  </div>
  <div class="form_item">
   <label>验证码：</label>
   <div class="form_item_input">
    <input type="password" id="validateCode" placeholder="请输入验证码" class="input_short"/>
   </div>
   <a href="#" rel="external nofollow" class="form_item_code" title="看不清换一张"></a>
   <i>*</i>
  </div>

<script type="text/javascript">
  $(function () {
   $('#loginBtn').click(function () {
    var username = $.trim($("#username").val());//获取用户名
    var password = $.trim($("#password").val());
    var validateCode = $.trim($("#validateCode").val());
 
    var url = '登录请求的url路径';
    var param = {"username": username, "password": password, "validateCode": validateCode};
 
    $.post(url, param, function(data) {
     if (data == "0") {
      //调用父窗口的function addPersonalCenter(){}方法，在父窗口右上角增加一个个人中心按钮
      window.parent.addPersonalCenter();
      // 先获取窗口索引，才能关闭窗口
      var index = parent.layer.getFrameIndex(window.name);
      parent.layer.close(index);
     } else {
      alert("登录失败！");
     }
    });
   });
  });
</script>

      $(function(){
      $('#u_login').on('click', function(){
       layer.open({
        type: 2,
        title: '用户登录',
        maxmin: true,
        skin: 'layui-layer-lan',
        shadeClose: true, //点击遮罩关闭层
        area : ['400px' , '280px'],
        content:'login.html'//弹框显示的url
       });
      });