网页中如何实现注册时表单检验(两次输入的密码是否相同)

  1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2 <html xmlns=" http://www.w3.org/1999/xhtml">
  3 <head>
  4 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
  5 <title>jQuery validation plug-in - main demo</title>
  6 
  7 <script src="../lib/jquery.js" type="text/javascript"></script>
  8 <script src="../jquery.validate.js" type="text/javascript"></script>
  9 <script src="js/cmxforms.js" type="text/javascript"></script>
 10 <script type="text/javascript">
 11 $(function(){
 12 $("#signupForm").validate({
 13   rules: {
 14    firstname: "required",
 15    lastname: "required",
 16    username: {
 17     required: true,
 18     minlength: 2
 19    },
 20    password: {
 21     required: true,
 22     minlength: 5
 23    },
 24    confirm_password: {
 25     required: true,
 26     minlength: 5,
 27     equalTo: "#password"
 28    },
 29    email: {
 30     required: true,
 31     email: true
 32    },
 33    topic: {
 34     required: "#newsletter:checked",
 35     minlength: 2
 36    },
 37    agree: "required"
 38   },
 39   messages: {
 40    firstname: "Please enter your firstname",
 41    lastname: "Please enter your lastname",
 42    username: {
 43     required: "Please enter a username",
 44     minlength: "Your username must consist of at least 2 characters"
 45    },
 46    password: {
 47     required: "Please provide a password",
 48     minlength: "Your password must be at least 5 characters long"
 49    },
 50    confirm_password: {
 51     required: "Please provide a password",
 52     minlength: "Your password must be at least 5 characters long",
 53     equalTo: "Please enter the same password as above"
 54    },
 55    email: "Please enter a valid email address",
 56    agree: "Please accept our policy"
 57   }
 58   });
 59  });
 60  </script>
 61  </head>
 62 <body>
 63 <div id="main">
 64 
 65 <form class="cmxform" id="signupForm" method="get" action="">
 66  <fieldset>
 67   <legend>Validating a complete form</legend>
 68   <p>
 69    <label for="firstname">Firstname</label>
 70    <input id="firstname" name="firstname" />
 71   </p>
 72   <p>
 73    <label for="lastname">Lastname</label>
 74    <input id="lastname" name="lastname" />
 75   </p>
 76   <p>
 77    <label for="username">Username</label>
 78    <input id="username" name="username" />
 79   </p>
 80   <p>
 81    <label for="password">Password</label>
 82    <input id="password" name="password" type="password" />
 83   </p>
 84   <p>
 85    <label for="confirm_password">Confirm password</label>
 86    <input id="confirm_password" name="confirm_password" type="password" />
 87   </p>
 88   <p>
 89    <label for="email">Email</label>
 90    <input id="email" name="email" />
 91   </p>
 92   <p>
 93    <label for="agree">Please agree to our policy</label>
 94    <input type="checkbox" id="agree" name="agree" />
 95   </p>
 96   <p>
 97    <label for="newsletter">I'd like to receive the newsletter</label>
 98    <input type="checkbox" id="newsletter" name="newsletter" />
 99   </p>
100   <fieldset id="newsletter_topics">
101    <legend>Topics (select at least two) - note: would be hidden when newsletter isn't selected, but is visible here for the demo</legend>
102    <label for="topic_marketflash">
103     <input type="checkbox" id="topic_marketflash" value="marketflash" name="topic" />
104     Marketflash
105    </label>
106    <label for="topic_fuzz">
107     <input type="checkbox" id="topic_fuzz" value="fuzz" name="topic" />
108     Latest fuzz
109    </label>
110    <label for="topic_digester">
111     <input type="checkbox" id="topic_digester" value="digester" name="topic" />
112     Mailing list digester
113    </label>
114    <label for="topic" class="error">Please select at least two topics you'd like to receive.</label>
115   </fieldset>
116   <p>
117    <input class="submit" type="submit" value="Submit"/>
118   </p>
119  </fieldset>
120 </form>
121 </div>
122 </body>
123 </html>
View Code

jQuery验证控件jquery.validate.js

官网下载地址: http://bassistance.de/jquery-plugins/jquery-plugin-validation

jQuery plugin: Validation 使用说明  

转载自:http://blog.sina.com.cn/s/blog_608475eb0100h3h1.html

原文地址:https://www.cnblogs.com/fanszone/p/3384040.html