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SpringMVC基础-11-国际化

时间:2020-06-22 19:22:50      阅读:65      评论:0      收藏:0      [点我收藏+]

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技术图片

 

 

 代码示例:

I18TestController.java:

 1 package com.atguigu.controller;
 2 
 3 import java.util.Locale;
 4 
 5 import javax.servlet.http.HttpSession;
 6 
 7 import org.springframework.beans.factory.annotation.Autowired;
 8 import org.springframework.context.MessageSource;
 9 import org.springframework.context.support.ResourceBundleMessageSource;
10 import org.springframework.stereotype.Controller;
11 import org.springframework.ui.Model;
12 import org.springframework.web.bind.annotation.RequestMapping;
13 import org.springframework.web.bind.annotation.RequestParam;
14 import org.springframework.web.servlet.i18n.SessionLocaleResolver;
15 
16 @Controller
17 public class I18TestController {
18 
19     @Autowired
20     private MessageSource messageSource;
21 
22     @RequestMapping("/tologinpage")
23     public String tologinPage(@RequestParam(value="locale",defaultValue="zh_CN")String localeStr, Locale locale, Model model,HttpSession session) {
24         System.out.println(locale);
25         String welcomeinfo = messageSource.getMessage("welcomeinfo", null,
26                 locale);
27         System.out.println(welcomeinfo);
28         model.addAttribute("msg", "哈哈哈");
29 
30 //        // zh_CN
31 //        Locale l = null;
32 //        // 如果带了locale参数就用参数指定的区域信息,如果没带就用请求头的
33 //        if (localeStr != null && !"".equals(localeStr)) {
34 //            l = new Locale(localeStr.split("_")[0], localeStr.split("_")[1]);
35 //        } else {
36 //            l = locale;
37 //        }
38 //        session.setAttribute(SessionLocaleResolver.class.getName() + ".LOCALE", l);
39         return "login";
40     }
41 
42 }

MyLocaleResolver.java:

 1 package com.atguigu.controller;
 2 
 3 import java.util.Locale;
 4 
 5 import javax.servlet.http.HttpServletRequest;
 6 import javax.servlet.http.HttpServletResponse;
 7 
 8 import org.springframework.web.servlet.LocaleResolver;
 9 
10 public class MyLocaleResolver implements LocaleResolver {
11 
12     /**
13      * 解析返回locale
14      */
15     @Override
16     public Locale resolveLocale(HttpServletRequest req) {
17         // TODO Auto-generated method stub
18         // zh_CN
19         Locale l = null;
20         String localeStr = req.getParameter("locale");
21         //如果带了locale参数就用参数指定的区域信息,如果没带就用请求头的
22         if (localeStr != null && !"".equals(localeStr)) {
23             l = new Locale(localeStr.split("_")[0], localeStr.split("_")[1]);
24         } else {
25             l = req.getLocale();
26         }
27         return l;
28     }
29 
30     /**
31      * 修改locale
32      */
33     @Override
34     public void setLocale(HttpServletRequest arg0, HttpServletResponse arg1,
35             Locale arg2) {
36         throw new UnsupportedOperationException(
37                 "Cannot change HTTP accept header - use a different locale resolution strategy");
38     }
39 
40 }

login_en_US.properties:

1 welcomeinfo=welcome to atguigu.com
2 username=USERNAME
3 password=PASSWORD
4 loginBtn=LOGIN

login_zh_CN.properties:

1 welcomeinfo=\u6B22\u8FCE\u6765\u5230\u5C1A\u7845\u8C37
2 username=\u7528\u6237\u540D
3 password=\u5BC6\u7801
4 loginBtn=\u767B\u9646

springmvc.xml:

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns:context="http://www.springframework.org/schema/context"
 5     xmlns:mvc="http://www.springframework.org/schema/mvc"
 6     xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
 7         http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
 8         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">
 9 
10     <context:component-scan base-package="com.atguigu"></context:component-scan>
11     
12     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
13         <property name="prefix" value="/WEB-INF/pages/"></property>
14         <property name="suffix" value=".jsp"></property>
15     </bean>
16 
17     <mvc:default-servlet-handler/>
18     <mvc:annotation-driven></mvc:annotation-driven>
19     
20     <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
21         <property name="basename" value="loginpage/login"></property>
22     </bean>
23     
24     <!--自定义区域信息解析器  -->
25     <!-- <bean id="localeResolver" class="com.atguigu.controller.MyLocaleResolver"></bean> -->
26     
27     <!-- 区域信息从session中拿 -->
28     <bean id="localeResolver" class="org.springframework.web.servlet.i18n.SessionLocaleResolver"></bean>
29     <mvc:interceptors>
30         <bean class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor"></bean>
31     </mvc:interceptors>
32 </beans>

index.jsp:

 1 <%@ page language="java" contentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5 <head>
 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 7 <title>Insert title here</title>
 8 <%
 9     pageContext.setAttribute("ctp", request.getContextPath());
10 %>
11 </head>
12 <body>
13 <a href="${ctp }/test01">test01</a><br/>
14 <a href="tologinpage">去登陆页面</a>
15 </body>
16 </html>

login.jsp:

 1 <%@ page language="java" contentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3 <%@taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
 4 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 5 <html>
 6 <head>
 7 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 8 <title>Insert title here</title>
 9 </head>
10 <body>
11 <h1>
12 <!-- 国际化的区域信息是决定国际化显示的因素 -->
13     <fmt:message key="welcomeinfo"/>
14 </h1>
15 <form action="">
16     <fmt:message key="username"/>:<input /><br/>
17     <fmt:message key="password"/>:<input /><br/>
18     <input type="submit" value="<fmt:message key="loginBtn"/>"/>
19 </form>
20 <!-- 如果点击超链接切换国际化 -->
21 <a href="tologinpage?locale=zh_CN">中文</a>|<a href="tologinpage?locale=en_US">English</a>
22 </body>
23 </html>

 

SpringMVC基础-11-国际化

标签:todo   let   resolve   eth   undle   setattr   png   bsp   定义   

原文地址:https://www.cnblogs.com/116970u/p/13178169.html

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