jquery 表单进行客户端验证demo

复制代码 代码如下:

  <%@ page language="java" pageEncoding="gbk"%>

  <html>

  <head>

  <title>jqueryValidateDemo</title>

  <script type="text/javascript" src="js/jquery.js"></script>

  <script type="text/javascript" src="js/jquery.validate.js"></script>

  <script type="text/javascript">

  $(function() {

  $("#login").validate({

  rules:{

  name:{

  required:true

  },

  password:{

  required:true,

  minlength:4

  }

  },

  messages:{

  name:{

  required:"此项为必填项"

  },

  password:{

  required:"此项为必填项",

  minlength:"密码长度至少为4个字符"

  }

  }

  })

  });

  </script>

  </head>

  <body>

  <form action="" id="login" method="post">

  <table align="center" border="1">

  <tr>

  <td>登录名</td>

  <td><input type="text" id="name" name="name"/></td>

  </tr>

  <tr>

  <td>密码</td>

  <td><input type="password" id="password" name="password"/></td>

  </tr>

  <tr>

  <td align="center" colspan="2"><input type="submit" value="注册"/></td>

  </tr>

  </table>

  </form>

  </body>

  </html>