LiveValidation验证
1、http://livevalidation.com/download下载livevalidation_standalone.js
2、目录结构：
WebRoot
javascript
livevalidation_standalone.js
registerform_validation.js
styles
validation.css
user
regist.jsp
3、jsp页面
<html> <head> <link href="styles/validation.css" rel="stylesheet" type="text/css" /> <script type="text/javascript" src="javascript/livevalidation_standalone.js"></script> </head> <body> <s:form action="register"> <table> <tr> <td width="32%"> User Name <font color="#FF0000">*</font> </td> <td> <s:textfield name="user.username" id="username" /> </td> </tr> <tr> <td> Password <font color="#FF0000">*</font> </td> <td> <s:password name="user.password" id="password" /> </td> </tr> <tr> <td> Confirm Password <font color="#FF0000">*</font> </td> <td> <s:password name="user.confirmpassword" id="repassword" /> </td> </tr> <tr> <td> Telephone </td> <td> <s:textfield name="user.phone" id="phone" /> </td> </tr> <tr> <td> Email </td> <td> <s:textfield name="user.email" id="email" /> </td> </tr> <tr> <td> Address </td> <td> <s:textfield name="user.address" id="address" /> </td> </tr> <tr> <td> Post Code </td> <td> <s:textfield name="user.postcode" id="postcode" /> </td> </tr> <tr> <td align="center" colspan="2"> <s:submit value="Submit" /> <s:reset value=" Reset " /> </td> </tr> </table> </s:form> <script type="text/javascript" src="javascript/registerform_validation.js"></script> </body></html>
.LV_validation_message{ font-size: x-small; font-weight:bold; margin:0 0 0 5px;} .LV_valid { color:#00CC00;} .LV_invalid { color:#CC0000;} .LV_valid_field,input.LV_valid_field:hover, input.LV_valid_field:active,textarea.LV_valid_field:hover, textarea.LV_valid_field:active { border: 1px solid #00CC00;} .LV_invalid_field, input.LV_invalid_field:hover, input.LV_invalid_field:active,textarea.LV_invalid_field:hover, textarea.LV_invalid_field:active { border: 1px solid #CC0000;}var username = new LiveValidation('username');username.add(Validate.Presence);var password = new LiveValidation('password');password.add(Validate.Presence);var repassword = new LiveValidation('repassword');repassword.add(Validate.Presence);repassword.add(Validate.Confirmation, {match: 'password'}); var email = new LiveValidation('email');email.add(Validate.Email);