日期:2014-05-16  浏览次数:20740 次

Java乔晓松-ajax实现用户名和邮箱唯一验证实例(struts2框架和HIbernate)

ajax实现用户名和邮箱的唯一的验证

采用struts2+hibernate+ajax实现user用户注册时用户名和邮箱的唯一验证

index.jsp的源代码:

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s"%>
<%
 String path = request.getContextPath();
 String basePath = request.getScheme() + "://"
   + request.getServerName() + ":" + request.getServerPort()
   + path + "/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>用户注册</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
 <link rel="stylesheet" type="text/css" href="styles.css">
 -->
<script type="text/javascript"
 src="${pageContext.request.contextPath }/js/util.js"></script>
<script type="text/javascript"
 src="${pageContext.request.contextPath }/js/reg.js"></script>
</head>

<body>
 <div align="center">
 <h3>注册页面</h3>
  <s:form action="AdminAction_reg" namespace="/csdn" theme="simple">
   <table bordercolor="red" width="450px">
    <tr>
     <td width="100px">用户名:</td>
     <td width="200px"><s:textfield name="adminName" id="adminName"></s:textfield>
     </td>
     <td width="150px"><font color="red"><span id="cname"></span></font></td>
    </tr>

    <tr>
     <td>密码:</td>
     <td><s:password name="adminPass" id="adminPass"></s:password>
     </td>
     <td></td>
    </tr>
    <tr>
     <td>邮箱:</td>
     <td><s:textfield name="adminEmail" id="adminEmail"></s:textfield>
     </td>
     <td><font color="red"><span id="cmail"></span></font></td>
    </tr>
    <tr align="center">
     <td colspan="3"><s:submit value="注册" />
     </td>
     <td></td>
    </tr>
   </table>
  </s:form>

 </div>
</body>
</html>

 

 

reg.js(验证)文件的源代码:

window.onload = function() {
 var name = $("adminName");
 v