使用struts2拦截器实现防止表单数据重复提交

//-----------------------------------------jsp-----------------------------------------------
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="/struts-tags" prefix="s" %>
<html>
<head>
<title>防止表达数据重复提交</title>
</head>

<body>
<form action="user!addUser.action">
    username:
   <input type="text" name="user.username" />
   
   <s:token></s:token>
   <input type="submit" value="submit" />
</form>
</body>
</html>
//-----------------------------------------struts.xml-----------------------------------------------
<struts>
<package name="interceptor" namespace="/" extends="struts-default">
<action name="input" class="com.struts2.action.InputAction">
   <result>/addUser.jsp</result>
</action>
<action name="user" class="com.struts2.action.UserAction">
   <result>/success.jsp</result>
   
   <interceptor-ref name="defaultStack"></interceptor-ref>
   <interceptor-ref name="token"></interceptor-ref>
   
   <result name="invalid.token">/error.jsp</result>
</action>
</package>
</struts>

//-----------------------------------------action-------------------------------------------------------

import com.opensymphony.xwork2.ActionSupport;
import com.struts2.dto.User;
/**
*UserAction
*/
public class UserAction extends ActionSupport{

private User user;
public String addUser()
{
System.out.println("-----------添加成功!-------------");
return this.SUCCESS;
}
public void setUser(User user) {
this.user = user;
}

}

import com.opensymphony.xwork2.ActionSupport;
/**
*InputAction
*/
public class InputAction extends ActionSupport{

public String execute() throws Exception {
// TODO Auto-generated method stub
return super.execute();
}

}

本文来自CSDN博客，转载请标明出处： http://blog.csdn.net/xinyangwl/archive/2010/04/03/5446034.aspx

Copied from : http://blog.chinaunix.net/uid-20787846-id-1842542.html

使用struts2拦截器实现防止表单数据重复提交

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