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021 国际化

一：说明

1.说明

　　在页面上可以根据浏览器语言设置的情况对文本，时间，数值进行本地化处理

　　在bean中获取国际化资源文件Locale对应的信息

　　可以通过超链接切换Locale，而不再依赖于浏览器的语言设置情况

2.介绍

二：普通的国家化

1.在i18n.properties中写字段

2.i18n_zh_CN.properties

3.i18n_en_US.properties

4.index.jsp

　　可以跳转到i18n.jsp

 1 <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
 2     pageEncoding="ISO-8859-1"%>
 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=ISO-8859-1">
 7 <script type="text/javascript" src="scripts/jquery-1.9.1.min.js"></script>
 8 <script type="text/javascript">
 9     $(function(){
10         $("#testJson").click(function(){
11             var url=this.href;
12             var args={};
13             $.post(url,args,function(data){
14                 for(var i=0;i<data.length;i++){
15                     var id=data[i].id;
16                     var lastName=data[i].lastName;
17                     alert(id+":"+lastName);
18                 }
19             });
20             return false;
21         });
22     })
23 </script>
24 <title>Insert title here</title>
25 </head>
26 <body>
27     <br>
28     <a href="emps">list emps</a>
29     <br><br>
30     <a href="testJson" id="testJson">Test Json</a>
31     <br><br>
32     <!-- <form action="testHttpMessageConverter" method="post" enctype="multipart/form-data">
33         File:<input type="file" name="file"/>
34         Desc:<input type="text" name="desc"/>
35         <input type="submit" value=Submit"">
36     </form> -->
37     <a href="testResponseEntity">Test ResponseEntity</a>
38     
39     <br><br>
40     <a href="i18n">I18N Page</a>
41     
42 </body>
43 </html>

5.在view下写一个i18n.jsp

 1 <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
 2     pageEncoding="ISO-8859-1"%>
 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=ISO-8859-1">
 8 <title>Insert title here</title>
 9 </head>
10 <body>
11     <fmt:message key="i18n.user"></fmt:message>
12     <br><br>
13     <a href="i18n2">I18N2 Page</a>
14     
15 </body>
16 </html>

6.然后是i18n2.jsp

 1 <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
 2     pageEncoding="ISO-8859-1"%>
 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=ISO-8859-1">
 8 <title>Insert title here</title>
 9 </head>
10 <body>
11     <fmt:message key="i18n.password"></fmt:message>
12     <br><br>
13     <a href="i18n">I18N2 Page</a>
14     
15 </body>
16 </html>

7.静态资源的访问

 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/beans 
 7     http://www.springframework.org/schema/beans/spring-beans.xsd
 8         http://www.springframework.org/schema/context 
 9         http://www.springframework.org/schema/context/spring-context-4.0.xsd
10         http://www.springframework.org/schema/mvc 
11         http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
12     <!-- 配置自定义扫描的包 -->               
13     <context:component-scan base-package="com.spring.it" ></context:component-scan>
14     
15     <!-- 配置视图解析器 -->
16     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
17         <property name="prefix" value="/WEB-INF/views/" />
18           <property name="suffix" value=".jsp" />
19     </bean>    
20     
21     <mvc:annotation-driven></mvc:annotation-driven>
22     
23     <!-- 转换器 -->
24     <bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
25         <property name="converters">
26             <set>
27                 <ref bean="employeeConverter"/>
28             </set>
29         </property>
30     </bean>
31     <mvc:annotation-driven conversion-service="conversionService"></mvc:annotation-driven>
32     
33     <mvc:default-servlet-handler/>
34     <mvc:annotation-driven ignore-default-model-on-redirect="true"></mvc:annotation-driven>
35     
36     <!-- 国家化 -->
37     <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
38         <property name="basename" value="i18n"></property>
39     </bean>
40     
41     <mvc:view-controller path="/i18n" view-name="i18n"/>
42     <mvc:view-controller path="/i18n2" view-name="i18n2"/>
43 </beans>

三：让连接走后台

1.注释掉i18n静态资源

 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/beans 
 7     http://www.springframework.org/schema/beans/spring-beans.xsd
 8         http://www.springframework.org/schema/context 
 9         http://www.springframework.org/schema/context/spring-context-4.0.xsd
10         http://www.springframework.org/schema/mvc 
11         http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
12     <!-- 配置自定义扫描的包 -->               
13     <context:component-scan base-package="com.spring.it" ></context:component-scan>
14     
15     <!-- 配置视图解析器 -->
16     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
17         <property name="prefix" value="/WEB-INF/views/" />
18           <property name="suffix" value=".jsp" />
19     </bean>    
20     
21     <mvc:annotation-driven></mvc:annotation-driven>
22     
23     <!-- 转换器 -->
24     <bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
25         <property name="converters">
26             <set>
27                 <ref bean="employeeConverter"/>
28             </set>
29         </property>
30     </bean>
31     <mvc:annotation-driven conversion-service="conversionService"></mvc:annotation-driven>
32     
33     <mvc:default-servlet-handler/>
34     <mvc:annotation-driven ignore-default-model-on-redirect="true"></mvc:annotation-driven>
35     
36     <!-- 国家化 -->
37     <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
38         <property name="basename" value="i18n"></property>
39     </bean>
40     
41     <!-- <mvc:view-controller path="/i18n" view-name="i18n"/> -->
42     <mvc:view-controller path="/i18n2" view-name="i18n2"/>
43 </beans>

2.控制器

1 @Autowired(required=true)
2     private ResourceBundleMessageSource message;
3     
4     @RequestMapping("/i18n")
5     public String testi18n(Locale locale) {
6         String val=message.getMessage("i18n.user", null, locale);
7         return "i18n";
8     }

四：通过超链接切换Locale

1.原理

2.配置xml

配置SessionLocaleResolver

配置LocaleChangeInterceter拦截器

 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/beans 
 7     http://www.springframework.org/schema/beans/spring-beans.xsd
 8         http://www.springframework.org/schema/context 
 9         http://www.springframework.org/schema/context/spring-context-4.0.xsd
10         http://www.springframework.org/schema/mvc 
11         http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
12     <!-- 配置自定义扫描的包 -->               
13     <context:component-scan base-package="com.spring.it" ></context:component-scan>
14     
15     <!-- 配置视图解析器 -->
16     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
17         <property name="prefix" value="/WEB-INF/views/" />
18           <property name="suffix" value=".jsp" />
19     </bean>    
20     
21     <mvc:annotation-driven></mvc:annotation-driven>
22     
23     <!-- 转换器 -->
24     <bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
25         <property name="converters">
26             <set>
27                 <ref bean="employeeConverter"/>
28             </set>
29         </property>
30     </bean>
31     <mvc:annotation-driven conversion-service="conversionService"></mvc:annotation-driven>
32     
33     <mvc:default-servlet-handler/>
34     <mvc:annotation-driven ignore-default-model-on-redirect="true"></mvc:annotation-driven>
35     
36     <!-- 国家化 -->
37     <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
38         <property name="basename" value="i18n"></property>
39     </bean>
40     
41     <!-- <mvc:view-controller path="/i18n" view-name="i18n"/> -->
42     <mvc:view-controller path="/i18n2" view-name="i18n2"/>
43     
44     <!-- 配置SessionLocaleResolver -->
45     <bean id="localeResolver" class="org.springframework.web.servlet.i18n.SessionLocaleResolver"></bean>
46     
47     <!-- 配置LocaleChangeInterceter拦截器 -->
48     <mvc:interceptors>
49         <bean class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor"></bean>
50     </mvc:interceptors>
51     
52 </beans>

3.多写两个链接

　　主要是中文与英文的连接

 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     <fmt:message key="i18n.user"></fmt:message>
12     <br><br>
13     <a href="i18n2">I18N2 Page</a>
14     
15     <!-- 多加两个链接，验证链接的切换 -->
16     <br><br>
17     <a href="i18n?locale=zh_CN">中文</a>
18     <br><br>
19     <a href="i18n?locale=en_US">英文</a>
20     
21 </body>
22 </html>

4.效果

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原文地址：https://www.cnblogs.com/juncaoit/p/8848744.html

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