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struts2国际化

程序员文章站 2022-05-24 23:47:04
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一，国际化的流程：1，获得Locale对象 2，使用getBundle()方法 3，查找匹配资源子类或资源文件

命名规范: basename_language_country_variant 其中basename是资源文件的基本名，language必须是java支持的语言。country必须是java支持的域。variant表示特定的开发商或者浏览器 例如 win 代表windows。一般不使用该项。
public class LocalList {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Locale[] list =Locale.getAvailableLocales();
		for(int i = 0; i < list.length; i++){
			System.out.println(list[i].getDisplayCountry()+ "-->" + list[i].getCountry());
			System.out.println(list[i].getDisplayLanguage()+ "-->" + list[i].getLanguage());
		}

		Locale locale=Locale.getDefault();
		ResourceBundle resourcesbundle=ResourceBundle.getBundle("MessagesResources", locale);
		System.out.println(resourcesbundle.getString("userName"));
		System.out.println(resourcesbundle.getString("userPassword"));
		String userName=resourcesbundle.getString("userName");
		System.out.println(MessageFormat.format(userName,"HAHAHA" ,new Date()));
	}

}

可以查看支持的语言和区域有哪些。
二，资源文件的配置，大概有3种方式
1，使用struts.xml
<constant name="struts.custom.i18n.resources" value="MessagesResources" />
其中MessagesResources为basename。
2，使用struts.properties Key-Value
struts.custom.i18n.resources=MessagesResources
3,使用web.xml
<init-param>
<param-name>struts.custom.i18n.resources</param-name>
<param-value>MessagesResources</param-value>
</init-param>

三，例子
<%@ 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 'MyJsp2.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>

    <h4><s:text name="Login"/></h4>
    <s:form action="ListAction!abc.action">
      <s:textfield name="userName" key="userName"/>
      <s:textfield name="userPassword" key="userPassword"/>
      <s:submit key="loginButton"/>
    </s:form>
    <s:url id="url" action="ListAction">
       <s:param name="request_locale">zh_CN</s:param>
    </s:url>
    <s:a href="%{url}"><s:text name="Chinese"/></s:a>

    <s:url id="url" action="ListAction">
       <s:param name="request_locale">en_US</s:param>
    </s:url>
    <s:a href="%{url}"><s:text name="English"/></s:a>
  </body>
</html>


action
package com.pageDemo.Action;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;
import com.pageDemo.bean.bean;
import com.pageDemo.dao.SelectAll;
import com.pageDemo.model.Pager;
import com.pageDemo.model.pageModel;

public class ListAction extends ActionSupport {

	/*private pageModel pm;
	private Pager pager;

	public void setPager(Pager pager) {
		this.pager = pager;
	}

	public Pager getPager() {
		return pager;
	}

	public pageModel getPm() {
		return pm;
	}

	public void setPm(pageModel pm) {
		this.pm = pm;
	}*/
	private String userName;
	private String userPassword;


	public String getUserName() {
		return userName;
	}


	public void setUserName(String userName) {
		this.userName = userName;
	}


	public String getUserPassword() {
		return userPassword;
	}


	public void setUserPassword(String userPassword) {
		this.userPassword = userPassword;
	}


	public String execute() throws Exception
	{
	    return SUCCESS;	
         }

	public String abc() throws Exception
	{


		return "ok";
	}
}

配置文件
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>

  <constant name="struts.custom.i18n.resources" value="MessagesResources" />

  <package name="struts2" extends="struts-default">

  <action name="ListAction" class="com.pageDemo.Action.ListAction">
  <result >/MyJsp2.jsp</result>
  <result name="ok">/MyJsp3.jsp</result>
  </action>
  </package>


</struts>

两个资源问价
userName=\u59D3\u540D
userPassword=\u5BC6\u7801
loginButton=\u767B\u9646
Login=\u7528\u6237\u767B\u5F55
Chinese=\u4E2D\u6587
English=\u82F1\u6587

userName=Name
userPassword=Password
loginButton=Login
Login=User Login
Chinese=Chinese
English=English

其中两个资源文件都在src目录下。文件名为MessagesResources_zh_CN.properties和MessagesResources_en_US.properties

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