Struts2国际化i18n的简单实现

末蓝、 2023-01-01 07:58 245阅读 0赞

国际化(Internationalization，简称i18n)指的是程序在不做任何修改的情况下就可以运用在不同的语言环境中，其实现基于浏览器中对语言选项的支持设置，且在一般项目中不常用。类似的国际化效果请转至[MyBatis官网][MyBatis]。  
  
  
Action类

import com.opensymphony.xwork2.ActionContext;
    import com.opensymphony.xwork2.ActionSupport;
    
    public class LoginAction extends ActionSupport {
    
    	private String userName;
    
    	public String getUserName() {
    		return userName;
    	}
    
    	public void setUserName(String userName) {
    		this.userName = userName;
    	}
    
    	public String execute() {
    		// 从国际化资源配置中读取信息键对应的值
    		String loginMsg = this.getText("action.login.loginMsg", new String[] { userName });
    		ActionContext.getContext().getSession().put("message", loginMsg);
    		return "success";
    	}
    
    }

英文语言资源配置

#Login header prompt text
    index.form.tabHead=Hello, please login!
    #User name input
    index.form.userName=User name
    #The password input
    index.form.userPwd=User password
    #The submit button
    index.form.btnSubmit=log in
    #Action request data
    action.login.loginMsg=Login successfully, {0}, the page content has been internationalized for you!
    #Welcome page i18n of interface content
    welcome.content.prompt=login successfully! Active user: {0}.

中文语言资源配置

#Login header prompt text
    index.form.tabHead=\u4F60\u597D\uFF0C\u8BF7\u767B\u5F55\uFF01
    #User name input
    index.form.userName=\u7528\u6237\u540D
    #The password input
    index.form.userPwd=\u5BC6\u7801
    #The submit button
    index.form.btnSubmit=\u767B\u5F55
    #Action request data
    action.login.loginMsg=\u767B\u5F55\u6210\u529F\uFF0C{0}\uFF0C\u9875\u9762\u5185\u5BB9\u5DF2\u4E3A\u60A8\u56FD\u9645\u5316\u663E\u793A\uFF01
    #Welcome page i18n of interface content
    welcome.content.prompt=\u767B\u5F55\u6210\u529F\uFF01 \u5F53\u524D\u7528\u6237\uFF1A{0}

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>
    	
    	<constant name="struts.custom.i18n.resources" value="baseName"/>
    	<package name="strutsI18n" namespace="/i18n" extends="struts-default">
    		<action name="loginAction" class="action.LoginAction">
    			<result name="success">/welcome.jsp</result>
    		</action>
    		
    		<action name="language">
    			<result name="success">/index.jsp</result>
    		</action>
    	</package>
    </struts>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    
    	
    	<filter>
    		<filter-name>struts2</filter-name>
    		<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    	</filter>
    
    	<filter-mapping>
    		<filter-name>struts2</filter-name>
    		<url-pattern>/*</url-pattern>
    	</filter-mapping>
    
    	<welcome-file-list>
    		<welcome-file>index.jsp</welcome-file>
    	</welcome-file-list>
    </web-app>

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <%@ taglib uri="/struts-tags" prefix="s" %>
    <!DOCTYPE html>
    <html>
    	<head>
    		<meta charset="UTF-8">
    		<title>Index</title>
    	</head>
    	<body>
    	
    		<ul style="float: left">
    			<li>
    				<a href="${pageContext.request.contextPath}/i18n/language.action?request_locale=zn_CN">简体中文</a>
    			</li>
    			<li>
    				<a href="${pageContext.request.contextPath}/i18n/language.action?request_locale=en_US">English</a>
    			</li>
    		</ul>
    		
    		<br /><br /><br />
    		
    		<s:form action="i18n/loginAction" method="post">
    			<table style="margin: 50px auto; border: 1px solid purple; text-align: center;">
    				<tr>
    					<td colspan="2"><s:text name="index.form.tabHead"/></td>
    				</tr>
    				<tr>
    					<td>
    						<s:textfield name="userName" key="index.form.userName"  />
    					</td>
    				</tr>
    				<tr>
    					<td><s:textfield name="userPwd" key="index.form.userPwd"  /></td>
    				</tr>
    				<tr>
    					<td colspan="2"><s:submit key="index.form.btnSubmit" /></td>
    				</tr>
    			</table>
    		</s:form>
    	
    	</body>
    </html>

welcome.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <%@ taglib uri="/struts-tags" prefix="s" %>
    <!DOCTYPE html>
    <html>
    	<head>
    		<meta charset="UTF-8">
    		<title>Welcome</title>
    	</head>
    	<body>
    	
    		<h2 align="center">
    			
    			<s:text name="welcome.content.prompt">
    				<s:param><s:property value="userName" /></s:param>
    			</s:text>
    		</h2>
    		<h3 align="center">${sessionScope.message}</h3>
    	
    	</body>
    </html>

运行示例  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ0OTY1Mzkz_size_16_color_FFFFFF_t_70_pic_center]  
![在这里插入图片描述][20210101134050972.png_pic_center]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ0OTY1Mzkz_size_16_color_FFFFFF_t_70_pic_center 1]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ0OTY1Mzkz_size_16_color_FFFFFF_t_70_pic_center 2]

[MyBatis]: https://mybatis.org/mybatis-3/zh/index.html
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ0OTY1Mzkz_size_16_color_FFFFFF_t_70_pic_center]: /images/20221120/9774e8ff85e34027b15b12901b61cfd0.png
[20210101134050972.png_pic_center]: /images/20221120/474b84ba57fb49eb8df12b470da48c76.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ0OTY1Mzkz_size_16_color_FFFFFF_t_70_pic_center 1]: /images/20221120/0f1848b5dfbe44469ea512def6a9ca76.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQ0OTY1Mzkz_size_16_color_FFFFFF_t_70_pic_center 2]: /images/20221120/f3d00f8186a94af3bebe59617b2ebdf3.png