struts2的防止表单重复提交
2013-11-02 22:52
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防止表单重复提交其实就是struts2的一个拦截器的使用;
struts.xml配置文件:
Action类:
index.jsp表单页面:
message.jsp返回成功页面:
error.jsp表单重复提交提示页面:
struts.xml配置文件:
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.ui.theme" value="simple" /> <!-- struts2在防止表单重复提交的拦截中有2个,分别是:token,tokenSession。tokenSession继承token而来。 通常情况下,使用tokenSession客户端感觉会比较友好。 --> <!-- 如果重复提交,会跳转到error.jsp页面 --> <package name="person" namespace="/test" extends="struts-default"> <action name="token" class="com.ljq.action.PersonAction"> <interceptor-ref name="defaultStack" /> <interceptor-ref name="token" /> <!-- 如果重复提交,跳转到error.jsp页面 --> <result name="invalid.token">/WEB-INF/page/error.jsp</result> <result>/WEB-INF/page/message.jsp</result> </action> <action name="tokenSession" class="com.ljq.action.PersonAction"> <interceptor-ref name="defaultStack" /> <interceptor-ref name="tokenSession" /> <!-- 如果重复提交,不会跳转到error.jsp页面 --> <result name="invalid.token">/WEB-INF/page/error.jsp</result> <result>/WEB-INF/page/message.jsp</result> </action> </package> </struts>
Action类:
package com.action; import java.util.ArrayList; import java.util.List; public class PersonAction { private String name; public String execute() { System.out.println(name); return "success"; } public String getName() { return name; } public void setName(String name) { this.name = name; } }
index.jsp表单页面:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ taglib uri="/struts-tags" prefix="s"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>防止表单重复提交</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> </head> <body> <!-- 防止表单重复提交,记得在form表单里填上<s:token></s:token> --> <!-- action="token"、action="tokenSession" --> <s:form action="token" namespace="/test" method="post"> 姓名:<s:textfield name="name"/> <s:token></s:token> <input type="submit" value="发送"/> </s:form> </body> </html>
message.jsp返回成功页面:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ taglib uri="/struts-tags" prefix="s"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> </head> <body> <s:property value="name"/> </body> </html>
error.jsp表单重复提交提示页面:
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ taglib uri="/struts-tags" prefix="s" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>My JSP 'error.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> </head> <body> 您已经提交了表单,请不要重复提交。 </body> </html>
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