springboot2.0国际化

springboot2.0配合thymeleaf实现页面国际化

1. 引入thymeleaf

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

<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.2.1.RELEASE</version>

        <relativePath/> <!-- lookup parent from repository -->

    </parent>

    <groupId>cn.jfjb</groupId>

    <artifactId>crud</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <name>crud</name>

    <description>Demo project for Spring Boot</description>

    <properties>

        <java.version>1.8</java.version>

    </properties>

    <dependencies>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-thymeleaf</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

            <scope>test</scope>

            <exclusions>

                <exclusion>

                    <groupId>org.junit.vintage</groupId>

                    <artifactId>junit-vintage-engine</artifactId>

                </exclusion>

            </exclusions>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

        </plugins>

    </build>

</project>

2. 新建一个“i18n”的包，用来存放国际化配置

写入如下内容

3. application.yml中添加配置参数

spring:

  messages:

    basename: i18n.login

4. 编写控制器页面

package cn.jfjb.crud.controller;

import org.springframework.stereotype.Controller;

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

/**

 * @author john

 * @date 2019/11/22 - 19:38

 */

@Controller

@RequestMapping({"/"})

public class HelloController {

    @RequestMapping({"/"})

    public String hello12() {

        return "index";

    }

}

5. 编写模板页面

<!DOCTYPE html>

<html lang="en" xmlns:th="http://www.thymeleaf.org">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

</head>

<body>

<h1 th:text="#{login.name}"></h1>

<h1 th:text="#{login.password}"></h1>

</body>

</html>

使用th标签之前需要在页面加上xmlns,加上这个之后会有提示!

<html lang="en" xmlns:th="http://www.thymeleaf.org">

然后切换浏览器上面的语言然后刷新页面就会变化

如果出现乱码，需要设置idea的编码

测试

配置使其可以当请求参数中携带语言参数时自动切换语言

1. 编写自定义的LocalResolver

package cn.jfjb.crud.component;

import org.springframework.util.StringUtils;

import org.springframework.web.servlet.LocaleResolver;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.util.Locale;

/**

 * @author john

 * @date 2019/11/23 - 21:08

 */

public class MyLocalResolver implements LocaleResolver {

    @Override

    public Locale resolveLocale(HttpServletRequest req) {

        // 获取l后面的参数

        String l = req.getParameter("l");

        Locale locale = Locale.getDefault();

        //没有l使用默认配置，有l使用自定义配置

        if (!StringUtils.isEmpty(l)) {

            String[] split = l.split("_");

            // 第一个是语言代码  第二个是国家代码

            locale = new Locale(split[0], split[1]);

        }

        return locale;

    }

    @Override

    public void setLocale(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Locale locale) {

    }

}

2. 把配置加入到SpringBoot的容器中

package cn.jfjb.crud.config;

import cn.jfjb.crud.component.MyLocalResolver;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.web.servlet.LocaleResolver;

import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**

 * @author john

 * @date 2019/11/23 - 18:01

 */

@Configuration

public class MyMvcConfig implements WebMvcConfigurer {

    @Bean

    public LocaleResolver localeResolver() {

        return new MyLocalResolver();

    }

}