使用struts的token防止页面重复提交
/*
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package com.sunsoft.struts.action;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.actions.DispatchAction;
/**
* MyEclipse Struts
* Creation date: 12-15-2007
*
* XDoclet definition:
* @struts.action path="/insert" name="userForm" input="/adduser.jsp" scope="request" validate="true"
* @struts.action-forward name="prepare" path="/adduser.jsp"
* @struts.action-forward name="success" path="success.jsp"
*/
public class InsertAction extends DispatchAction {
/*
* Generated Methods
*/
/**
* Method execute
* @param mapping
* @param form
* @param request
* @param response
* @return ActionForward
*/
public ActionForward prepare(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
this.saveToken(request);
return mapping.findForward("prepare");
}
public ActionForward adduser(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
if(!this.isTokenValid(request)){
ActionMessages messages = new ActionMessages();
messages.add("token", new ActionMessage("error.token"));
this.saveErrors(request, messages);
return mapping.getInputForward();
}else{
this.resetToken(request);
return mapping.findForward("success");
}
}
}
页面文件：
adduser.jsp
<%@ page language="java" pageEncoding="GBK"%> <%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean"%> <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%> <html> <head> <title>JSP for UserForm form</title> </head> <body> <html:form action="/insert?method=adduser"> sex : <html:text property="sex"/><html:errors property="sex"/><br/> userName : <html:text property="userName"/><html:errors property="userName"/><br/> password : <html:password property="password"/><html:errors property="password"/><br/> <html:submit/><html:cancel/> </html:form> <html:errors/> </body> </html>
配置文件
struts-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd">
<struts-config>
<data-sources />
<form-beans >
<form-bean name="userForm" type="com.sunsoft.struts.form.UserForm" />
</form-beans>
<global-exceptions />
<global-forwards />
<action-mappings >
<action
attribute="userForm"
input="/adduser.jsp"
name="userForm"
path="/insert"
scope="request"
parameter="method"
type="com.sunsoft.struts.action.InsertAction">
<forward name="prepare" path="/adduser.jsp" />
<forward name="success" path="/success.jsp" />
</action>
</action-mappings>
<message-resources parameter="com.sunsoft.struts.ApplicationResources" />
</struts-config>