所谓国际化就是支持多种语言,web应用在不同的浏览环境中可以显示出不同的语言,比如说汉语、英语等。下面我将以具体的实例来举例说明:
(1)新建动态Java web项目,并导入几个SpringMVC必需的几个jar包,项目结构图和所需jar包如下:
(2)配置web.xml:
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<
web-app
xmlns
=
"http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi
=
"http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
version
=
"3.1"
>
<
servlet
>
<
servlet-name
>springmvc</
servlet-name
>
<
servlet-class
>org.springframework.web.servlet.DispatcherServlet</
servlet-class
>
<
load-on-startup
>1</
load-on-startup
>
</
servlet
>
<
servlet-mapping
>
<
servlet-name
>springmvc</
servlet-name
>
<
url-pattern
>*.html</
url-pattern
>
</
servlet-mapping
>
<
filter
>
<
filter-name
>characterEncodingFilter</
filter-name
>
<
filter-class
>org.springframework.web.filter.CharacterEncodingFilter</
filter-class
>
<
init-param
>
<
param-name
>encoding</
param-name
>
<
param-value
>UTF-8</
param-value
>
</
init-param
>
</
filter
>
<
filter-mapping
>
<
filter-name
>characterEncodingFilter</
filter-name
>
<
url-pattern
>/*</
url-pattern
>
</
filter-mapping
>
</
web-app
>
|
常规配置,没有什么特殊的地方,不多解释
(3)SpringMVC的配置文件springmvc-servlet.xml:
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<?
xml
version
=
"1.0"
encoding
=
"UTF-8"
?>
<
beans
xmlns
=
"http://www.springframework.org/schema/beans"
xmlns:xsi
=
"http://www.w3.org/2001/XMLSchema-instance"
xmlns:context
=
"http://www.springframework.org/schema/context"
xmlns:mvc
=
"http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
<
context:component-scan
base-package
=
"cn.zifangsky.* *.controller"
/>
<
context:annotation-config
/>
<!-- 激活Bean中定义的注解 -->
<
mvc:annotation-driven
/>
<!-- 视图相关配置 -->
<
bean
class
=
"org.springframework.web.servlet.view.InternalResourceViewResolver"
>
<
property
name
=
"prefix"
value
=
"/WEB-INF/pages/"
/>
<!-- 视图前缀 -->
<
property
name
=
"suffix"
value
=
".jsp"
/>
<!-- 视图后缀 -->
</
bean
>
<!-- 存储区域设置信息 -->
<
bean
id
=
"localeResolver"
class
=
"org.springframework.web.servlet.i18n.SessionLocaleResolver"
/>
<!-- 国际化资源文件 -->
<
bean
id
=
"messageSource"
class
=
"org.springframework.context.support.ReloadableResourceBundleMessageSource"
>
<
property
name
=
"basename"
value
=
"classpath:messages"
/>
</
bean
>
<
mvc:interceptors
>
<
bean
id
=
"localeChangeInterceptor"
class
=
"org.springframework.web.servlet.i18n.LocaleChangeInterceptor"
>
<
property
name
=
"paramName"
value
=
"lang"
/>
</
bean
>
</
mvc:interceptors
>
</
beans
>
|
在上面的配置中,SessionLocaleResolver类通过一个预定义会话名将区域化信息存储在会话中。紧接着的“messageSource”配置的是国际化资源文件的路径,”classpath:messages”指的是classpath路径下的messages_zh_CN.properties文件和messages_en_US.properties文件。在这个配置文件的最后配置的是一个拦截器,该拦截器通过名为”lang”的参数来拦截HTTP请求,使其重新设置页面的区域化信息
(4)两个国际化资源文件:
i)messages_zh_CN.properties文件:
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language.cn = \u4e2d\u6587
language.en = \u82f1\u6587
internationalisation = \u56fd\u9645\u5316
welcome = \u6b22\u8fce\u8bbf\u95ee\u201c\u007a\u0069\u0066\u0061\u006e\u0067\u0073\u006b\u0079\u7684\u4e2a\u4eba\u535a\u5ba2\u201d\uff0c\u0055\u0052\u004c\uff1a\u0068\u0074\u0074\u0070\u003a\u002f\u002f\u0077\u0077\u0077\u002e\u007a\u0069\u0066\u0061\u006e\u0067\u0073\u006b\u0079\u002e\u0063\u006e
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ii)messages_en_US.properties文件:
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language.cn = Chinese
language.en = English
internationalisation = \u0020Internationalisation
welcome = Welcome to visit "zifangsky's personal blog",URL\uff1ahttp://www.zifangsky.cn
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注:上面一些看起来“乱码”的地方实际上是经过Unicode编码的
(5)后台处理请求的controller:
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package
cn.zifangsky.controller;
import
org.springframework.stereotype.Controller;
import
org.springframework.web.bind.annotation.RequestMapping;
import
org.springframework.web.servlet.ModelAndView;
@Controller
public
class
I18nController {
@RequestMapping
(value =
"/hello"
)
public
ModelAndView welcome() {
ModelAndView modelAndView =
new
ModelAndView(
"welcome"
);
return
modelAndView;
}
}
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这个controller很简单,就是转到一个视图页面welcome.jsp
(6)首页的index.jsp:
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<% response.sendRedirect("hello.html"); %>
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意思很简单,就是项目启动之后就请求htllo.html,也就是让controller中的welcome方法处理这个请求
(7)welcome.jsp:
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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib prefix="mvc" uri="http://www.springframework.org/tags/form" %>
<%@taglib prefix="spring" uri="http://www.springframework.org/tags" %>
<
html
>
<
head
>
<
title
>SpringMVC<
spring:message
code
=
"internationalisation"
/></
title
>
</
head
>
<
body
>
Language: <
a
href
=
"?lang=zh_CN"
><
spring:message
code
=
"language.cn"
/></
a
> - <
a
href
=
"?lang=en_US"
><
spring:message
code
=
"language.en"
/></
a
>
<
h2
>
<
spring:message
code
=
"welcome"
/>
</
h2
>
Locale: ${pageContext.response.locale }
</
body
>
</
html
>
|
可以看出,在需要使用国际化处理的地方都使用了Spring的message标签,code属性对应资源文件中的“键”名称
(8)最后的显示效果如下:
i)中文:
ii)英文:
本文转自 pangfc 51CTO博客,原文链接:http://blog.51cto.com/983836259/1770930,如需转载请自行联系原作者