struts2实现国际化

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案例：

在src目录下新建两个属性文件：

welcome_en_US.properties：

greeting=Welcome to china\!

welcome_zh_CN.properties：

greeting=欢迎来到中国

struts.xml:

<?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.custom.i18n.resources" value="welcome"></constant></struts>

index.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><%@ taglib uri="/struts-tags"  prefix="s" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">        <title>My JSP 'index.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">     </head>    <body>    <s:text name="greeting"></s:text>  </body></html>

在action中访问资源文件：

User.java:

package blog.i18n;import com.opensymphony.xwork2.ActionContext;import com.opensymphony.xwork2.ActionSupport;public class User extends ActionSupport {public String execute(){ActionContext.getContext().put("wel", this.getText("greeting"));return "success";}}

struts.xml:

<?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.custom.i18n.resources" value="welcome"></constant><package name="i18n" extends="struts-default" namespace="/person"><action name="nation" class="blog.i18n.User" method="execute"><result name="input">/index.jsp</result><result name="success">/WEB-INF/message.jsp</result></action></package></struts>

message.jsp:

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><%@ taglib uri="/struts-tags"  prefix="s" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">        <title>My JSP 'index.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">     </head>    <body>    <s:text name="greeting"></s:text>    <br/>    <%= request.getAttribute("wel") %>  </body></html>