SpringMVC 国际化-中英文切换

2023-01-02 15:07:37

项目结构

1.pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>com.kawa</groupId>

  <artifactId>I18nDemo</artifactId>

  <version>0.0.1-SNAPSHOT</version>

  <packaging>war</packaging>

   <properties>

      <org.springframework-version>4.2.3.RELEASE</org.springframework-version>

      <jackson-core-asl-version>1.9.12</jackson-core-asl-version>

      <opensymphony-version>2.4.2</opensymphony-version>

    <commons-collections-version>1.0</commons-collections-version>

    <commons-fileupload-version>1.2.2</commons-fileupload-version>

    <org.apache.commons-version>3.1</org.apache.commons-version>

    <commons-codec-version>1.6</commons-codec-version>

    <dom4j-version>1.6.1</dom4j-version>

    <javax.servlet-version>1.2</javax.servlet-version>

    <aspectjweaver-version>1.6.6</aspectjweaver-version>

    <slf4j-log4j12-version>1.6.6</slf4j-log4j12-version>

    <log4j-version>1.2.16</log4j-version>

    <javax.servlet-jsp-version>2.0</javax.servlet-jsp-version>

    <cglib-version>2.2.2</cglib-version>

    <slf4j-api-version>1.6.6</slf4j-api-version>

    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

</properties>

  <dependencies>

        <!-- with spring -->

        <dependency>

          <groupId>org.springframework</groupId>

          <artifactId>spring-core</artifactId>

          <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-web</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-test</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-aspects</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-context-support</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-web</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-webmvc</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-jdbc</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-tx</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-instrument</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-instrument-tomcat</artifactId>

            <version>${org.springframework-version}</version>

        </dependency>

        <dependency>

            <groupId>org.codehaus.jackson</groupId>

            <artifactId>jackson-core-asl</artifactId>

            <version>${jackson-core-asl-version}</version>

        </dependency>

        <!-- apache commons jar -->

        <dependency>

            <groupId>commons-collections</groupId>

            <artifactId>commons-collections</artifactId>

            <version>${commons-collections-version}</version>

        </dependency>

        <dependency>

          <groupId>commons-fileupload</groupId>

          <artifactId>commons-fileupload</artifactId>

          <version>${commons-fileupload-version}</version>

        </dependency>

        <dependency>

          <groupId>org.apache.commons</groupId>

          <artifactId>commons-lang3</artifactId>

          <version>${org.apache.commons-version}</version>

        </dependency>

        <dependency>

          <groupId>commons-codec</groupId>

          <artifactId>commons-codec</artifactId>

          <version>${commons-codec-version}</version>

        </dependency>

                <!-- analyze xml use dom4j -->

        <dependency>

           <groupId>dom4j</groupId>

           <artifactId>dom4j</artifactId>

           <version>${dom4j-version}</version>

        </dependency>

                <!-- about servlet -->

        <dependency>

          <groupId>javax.servlet</groupId>

          <artifactId>jstl</artifactId>

          <version>${javax.servlet-version}</version>

        </dependency>

        <dependency>

            <groupId>taglibs</groupId>

            <artifactId>standard</artifactId>

            <version>1.1.2</version>

        </dependency>

        <dependency>

            <groupId>javax.servlet</groupId>

            <artifactId>javax.servlet-api</artifactId>

            <version>3.0.1</version>

            <scope>provided</scope>

        </dependency>

        <dependency>

            <groupId>org.slf4j</groupId>

            <artifactId>slf4j-log4j12</artifactId>

        <version>1.6.6</version>

       </dependency>

        <dependency>

          <groupId>log4j</groupId>

          <artifactId>log4j</artifactId>

          <version>1.2.17</version>

        </dependency>

        <dependency>

             <groupId>org.slf4j</groupId>

             <artifactId>slf4j-api</artifactId>

             <version>1.6.6</version>

         </dependency>

        <dependency>

            <groupId>javax.activation</groupId>

            <artifactId>activation</artifactId>

            <version>1.1.1</version>

         </dependency>

        <dependency>

          <groupId>cglib</groupId>

          <artifactId>cglib</artifactId>

          <version>${cglib-version}</version>

        </dependency>

        <dependency>

            <groupId>net.fckeditor</groupId>

            <artifactId>java-core</artifactId>

            <version>2.6</version>

        </dependency>

        <dependency>

            <groupId>org.json</groupId>

            <artifactId>json</artifactId>

            <version>20131018</version>

        </dependency>

  </dependencies>

<!--     <build>

        配置插件

        <plugins>

            <plugin>

                <groupId>org.apache.tomcat.maven</groupId>

                <artifactId>tomcat7-maven-plugin</artifactId>

                <configuration>

                    <port>8082</port>

                    <path>/</path>

                </configuration>

            </plugin>

        </plugins>

    </build>   -->

</project>

2.web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

    id="taotao" version="2.5">

    <display-name>I18nDemo</display-name>

    <welcome-file-list>

        <welcome-file>index.html</welcome-file>

        <welcome-file>index.htm</welcome-file>

        <welcome-file>index.jsp</welcome-file>

        <welcome-file>default.html</welcome-file>

        <welcome-file>default.htm</welcome-file>

        <welcome-file>default.jsp</welcome-file>

    </welcome-file-list>

    <!-- 加载spring容器 -->

    <context-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>classpath:spring/applicationContext-*.xml</param-value>

    </context-param>

    <listener>

        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

    </listener>

    <!-- 解决post乱码 -->

    <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>

    <!-- springmvc的前端控制器 -->

    <servlet>

        <servlet-name>I18nDemo</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <!-- contextConfigLocation不是必须的， 如果不配置contextConfigLocation， springmvc的配置文件默认在：WEB-INF/servlet的name+"-servlet.xml" -->

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <param-value>classpath:spring/springmvc.xml</param-value>

        </init-param>

        <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>I18nDemo</servlet-name>

        <url-pattern>/</url-pattern>

    </servlet-mapping>

</web-app>

3.applicationContext-service.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    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/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd

    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd

    http://www.springframework.org/schema/mvc

    http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"

    >

    <!-- 加载配置文件 -->

    <context:property-placeholder location="classpath:resource/*.properties" />

    <!-- 扫描包加载Service实现类 -->

    <context:component-scan base-package="com.huawei.i18n.service"></context:component-scan>

</beans>

4.springmvc.xml

<?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:p="http://www.springframework.org/schema/p"

    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.xsd

        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd

        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <context:component-scan base-package="com.huawei.i18n.controller" />

    <mvc:annotation-driven />

    <bean

        class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/jsp/" />

        <property name="suffix" value=".jsp" />

    </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.ResourceBundleMessageSource">

        <!--如果资源文件不是在根目录下而在resource目录下的话，应该这样配置了：HW_en_US.properties HW_zh_CN.properties -->

        <property name="basename" value="resource.HW"></property>

    </bean>

    <mvc:interceptors>

        <bean class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor">

            <!--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  -->

            <property name="paramName" value="lang"></property>

        </bean>

    </mvc:interceptors>

</beans>

4.配置中英文的配置文档

HW_en_US.properties

name=huang

HW_zh_CN.properties

name=\u8001\u9EC4

5.控制器controller

package com.kawa.i18n.controller;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

@Controller

public class I18nController {

    @RequestMapping("/show")

    public String showCN(){

        return "show";

    }

}

6.jsp页面

inde.jsp 负责页面跳转

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>I18N</title>

</head>

<body>

    <a href="/show">show</a>

</body>

</html>

show.jsp展示中英文切换的页面

<%@ 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>I18N</title>

</head>

<body>

     <a href="?lang=zh_CN">中文</a><br>

     <a href="?lang=en_US">English</a>

     <spring:message code="name" />

</body>

</html>

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