Struts2转换小程序（Struts2.3.4）
1.jsp登陆界面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%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>My JSP 'Login2_1.jsp' starting page</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">--> </head> <body> 提示：姓名和密码用冒号分开<br/><form action="userAction.action">User : <input type="text" name="user"/><br><input type="submit" value="提交"/><br/></form> </body></html>
2.Strtus配置Struts.xml
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE struts PUBLIC"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN""http://struts.apache.org/dtds/struts-2.3.dtd"><struts><package name="struts2" extends="struts-default"><action name="login" class="Struts2.WildCat.com.LoginAction" method="myExecute"><result name="success">/result.jsp</result></action><action name="userAction" class="Struts2.WildCat.com.UserAction"><result name="success">/result2_2.jsp</result></action><action name="userAction3" class="Struts2.WildCat.com.UserAction3"><result name="success">/result3_1.jsp</result></action><action name="registerAction" class="Struts2.WildCat.com.RegisterAction"><result name="success" >/Register_Result.jsp</result></action></package></struts>
3.User类
package com.WildCat.bean;public class User {private String username;private String password;public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}}4.类型转换配置文件UserAction-conversion.properties
user=com.WildCat.converter.UserConverter
5.类型转换器
package com.WildCat.converter;import java.util.Map;import java.util.StringTokenizer;import com.WildCat.bean.User;import ognl.DefaultTypeConverter;public class UserConverter extends DefaultTypeConverter {@Overridepublic Object convertValue(Map context, Object value, Class toType) {if (User.class==toType)//从页面向后台转换{String[] str=(String[])value;String firstValue=str[0];StringTokenizer st=new StringTokenizer(firstValue,":");String username=st.nextToken();String password=st.nextToken();User user=new User();user.setUsername(username);user.setPassword(password);return user;}else if (String.class==toType)//从后台对象向前台转换{User user=(User)value;String username=user.getUsername();String password=user.getPassword();String userInfo="UserName: "+username+" PassWord: "+password;return userInfo;}return null;}}6.Action
package Struts2.WildCat.com;import com.WildCat.bean.User;import com.opensymphony.xwork2.ActionSupport;public class UserAction extends ActionSupport {private User user;public User getUser() {return user;}public void setUser(User user) {this.user = user;}@Overridepublic String execute() throws Exception {System.out.println("UserName: "+user.getUsername());System.out.println("PassWord: "+user.getPassword());return SUCCESS;}}
7.结果界面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%@ taglib prefix="s" uri="/struts-tags"%><%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>My JSP 'result2_2.jsp' starting page</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">--> </head> <body> <s:property value="user"/> </body></html>