SpringMVC国际化实现（乱码解决）idea

曾经终败给现在 2022-10-30 08:28 183阅读 0赞

## 注：乱码问题直接看3.2即可（设置编码为UTF-8） ##

## 一、导包并添加依赖 ##

### **1.1 需要添加两个包** ###

![20210218154614558.png][]

提取链接：[ https://pan.baidu.com/s/1eTEqaufKIf8DVybBF-CCSA][https_pan.baidu.com_s_1eTEqaufKIf8DVybBF-CCSA] 提取码：rfvn

### 1.2 复制到你项目的lib文件夹中并添加依赖（选中这两个包右击然后选择Add as Library） ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70][]

如果出现URI的一个错误：点击File=>ProjectStructure=>Artifacts=>点击Fix

## 二、中英文properties文件编辑 ##

### 2.1、在项目目录下新建一个conf文件夹并右击设置为源码文件夹（如下图） ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70 1][]

### 2.2、直接在conf文件夹下新建两个properties文件（注意：其中的Resource Bundle ‘i18n’不需要我们创建） ###

![20210218155158635.png][]

注：文件名称必须跟上图一样，否则会出错（文件名以及内容如下）

i18n\_zh\_CN.properties

welcomeinfo=欢迎来到尚硅谷
    username=用户名
    password=密码
    loginBtn=提交

i18n\_en\_US.properties

welcomeinfo=WELCOME TO ATGUIGU
    username=USERNAME
    password=PASSWORD
    loginBtn=LOGIN

## 三、国际化配置 ##

### 3.1、web.xml文件配置 ###

<?xml version="1.0" encoding="UTF-8"?>
    <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_4_0.xsd"
             version="4.0">
        <context-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/applicationContext.xml</param-value>
        </context-param>
        <listener>
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
        </listener>
        <servlet>
            <servlet-name>dispatcher</servlet-name>
            <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
            <load-on-startup>1</load-on-startup>
        </servlet>
        <servlet-mapping>
            <servlet-name>dispatcher</servlet-name>
            <url-pattern>/</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>
            <init-param>
                
                <param-name>forceEncoding</param-name>
                <param-value>true</param-value>
            </init-param>
        </filter>
        <filter-mapping>
            <filter-name>CharacterEncodingFilter</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
    </web-app>

### 3.2、dispatcher-servlet文件配置（注意那个UTF-8，必须配置，否则会乱码，并且必须用messageSource来命名id） ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70 2][]

<?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"
           xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
        <context:component-scan base-package="com.atguigu.controller"></context:component-scan>
        
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <property name="prefix" value="/WEB-INF/pages/"></property>
            <property name="suffix" value=".jsp"></property>
            
        </bean>
        
        <bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
            
            <property name="basename" value="i18n"></property>
            <property name="defaultEncoding" value="UTF-8"/>
        </bean>
    </beans>

### 3.3、登陆jsp界面编写以及控制器编写 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70 3][]

<%@ page contentType="text/html;charset=UTF-8" language="java"%>
    <%@ taglib prefix="fmt" uri="http://java.sun.com/jstl/fmt" %>
    
    <html>
    <head>
        <title>login</title>
    </head>
    <body>
    <h1>
        <fmt:message key="welcomeinfo"/>
    </h1>
    <form action="">
        <fmt:message key="username"/>：<input/> <br/>
        <fmt:message key="password"/>：<input/><br/>
        <input type="submit" value="<fmt:message key="loginBtn"/>"/>
    </form>
    </body>
    </html>

控制器：ControllerTest（**先在src目录下新建一个com.atguigu.controller包**）

package com.atguigu.controller;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    @Controller
    public class ControllerTest {
        @RequestMapping("/login")
        public String login(){
            return "login";
        }
    }

### 3.4 index.jsp编写跳转到登录界面 ###

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <html>
      <head>
        <title>$Title$</title>
      </head>
      <body>
      <a href="login">去登陆</a>
      </body>
    </html>

## 四、测试 ##

上面配置完成之后即可启动工程

**出现以下页面之后点击去登陆**

![20210218160858499.png][]

**跳转到login控制器：并转发到login.jsp**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70 4][]

**变成英文：**

**打开浏览器设置=>高级=>语言**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70 5][]

**点开之后添加美国英语，然后置顶**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70 6][]

**回到原来的登录界面刷新**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70 7][]

[20210218154614558.png]: /images/20221024/ca583d3e9dbe4c46b02d3aa09bfece1d.png
[https_pan.baidu.com_s_1eTEqaufKIf8DVybBF-CCSA]: https://pan.baidu.com/s/1eTEqaufKIf8DVybBF-CCSA
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM2ODkwMzcw_size_16_color_FFFFFF_t_70]: /images/20221024/2a44e49b97464d5cbeda6e7fc10d86a5.png
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[20210218155158635.png]: /images/20221024/7fa071efdf964090a7a2875cabd004ee.png
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[20210218160858499.png]: /images/20221024/db0a39c8ab234353aa68b7e6145571c9.png
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