Strutsはi 18 n問題を完璧に解決する

<?xml version="1.0" encoding="ISO-8859-1" ?>

<!DOCTYPE struts-config PUBLIC
          "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
          "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd">

<struts-config>
	<form-beans>
		<form-bean name="loginForm" type="com.bjpowernode.struts.LoginActionForm"/>
	</form-beans>
	
	<action-mappings>
		<action path="/login"
				type="com.bjpowernode.struts.LoginAction"
				name="loginForm"
				scope="request"
				>
				<forward name="success" path="/login_success.jsp"/>
				<forward name="error" path="/login.jsp"/>
		</action>
		
		<action path="/changLang"
				type="com.bjpowernode.struts.ChangeLanguageAction"
		>
			<forward name="index" path="/index.jsp"></forward>
		</action>
	</action-mappings>
	
	<message-resources parameter="resources.MessageResources"/>
</struts-config>

package com.bjpowernode.struts;

import java.util.Locale;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.Globals;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class ChangeLanguageAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		//           
		String lang = request.getParameter("lang");
		
		//  session    locale
		Locale locale = Locale.getDefault();
		
		//         “zh” locale    ，     “en”  locale    
		if("zh".equals(lang)){
			locale = new Locale("zh","CN");
		}else if("en".equals(lang)){
			locale = new Locale("en", "US");
		}
		// locale   session 
		//request.getSession().setAttribute(Globals.LOCALE_KEY, locale);
		this.setLocale(request, locale);
		return mapping.findForward("index");
	}	
}

errors.header=<UL>
errors.prefix=<font color="blue"><LI>
errors.suffix=</LI></font>
errors.footer=</UL>
login.form.field.username=User Name
login.form.field.password=Password
login.form.button.login=Login
login.success={0},Login Success
login.user.not.found=User Not Found,UserName\=[{0}] 
login.password.error=Password Error

package com.bjpowernode.struts;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
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;

public class LoginAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
			
		LoginActionForm laf = (LoginActionForm)form;
		String username = laf.getUsername();
		String password = laf.getPassword();
		
		UserManager userManager = new UserManager();
		ActionMessages messages = new ActionMessages();
		try{
			userManager.login(username, password);
			//         
			
			//ActionMessage message = new ActionMessage("login.success",new Object[]{username});
			ActionMessage message = new ActionMessage("login.success",username);
			messages.add("login_success_1",message);
			
			ActionMessage message1 = new ActionMessage("login.success",username);
			messages.add("login_success_2",message1);
			
			//       
			this.saveMessages(request, messages);	
			return mapping.findForward("success");
		}catch(UserNotFoundException e){
			e.printStackTrace();
			//         
			ActionMessage error = new ActionMessage("login.user.not.found",username);
			messages.add("error_1",error);
			
			//       
			this.saveErrors(request, messages);

		}catch(PasswordErrorException e){
			e.printStackTrace();
			//         
			ActionMessage error = new ActionMessage("login.password.error");
			messages.add("error_2",error);

			//       
			this.saveErrors(request, messages);
		}
		return mapping.findForward("error");
	}
	
}

<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>Insert title here</title>
</head>
<body>
	<html:messages id="msg" message="true" >
		<bean:write name="msg"/>
	</html:messages>
</body>
</html>