SpringBoot实现国际化中英文翻译，

来源： javaer 分享于 2023-03-26 点击 25234 次点评：107

SpringBoot实现国际化中英文翻译，

SpringBoot实现国际化中英文翻译

配置IDEA

1.设置编码为UTF-8

2.在resources目录下创建 i18n 文件夹 internationalization简写

在文件夹中创建配置文件login.properties

再创建login_zh_CN.properties

配置不同语言的properties

en-US 英国(美国)
zh-CN 中文(简体，中国大陆)
zh-SG 中文(简体，新加坡)
zh-HK 中文(繁体，香港)
zh-MO 中文(繁体，澳门)
zh-TW 中文(繁体，台湾)

IDEA同时配多语言

通过MessageSourceAutoConfiguration这个类

@Bean
public MessageSource messageSource(MessageSourceProperties properties) {
    ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
    if (StringUtils.hasText(properties.getBasename())) {
        messageSource.setBasenames(StringUtils.commaDelimitedListToStringArray(StringUtils.trimAllWhitespace(properties.getBasename())));
    }

    if (properties.getEncoding() != null) {
        messageSource.setDefaultEncoding(properties.getEncoding().name());
    }

    messageSource.setFallbackToSystemLocale(properties.isFallbackToSystemLocale());
    Duration cacheDuration = properties.getCacheDuration();
    if (cacheDuration != null) {
        messageSource.setCacheMillis(cacheDuration.toMillis());
    }

    messageSource.setAlwaysUseMessageFormat(properties.isAlwaysUseMessageFormat());
    messageSource.setUseCodeAsDefaultMessage(properties.isUseCodeAsDefaultMessage());
    return messageSource;
}

进入MessageSourceProperties 得到需要配置 message

在application.properties中配置message 这里需要配置我们默认的位置

在i18n下的login

#我们的配置文件的真实位置
spring.messages.basename=i18n.login

HTML中对链接进行请求参数

         <a class="btn btn-sm" th:href="@{index.html(l='en_US')}">English</a>
         <a class="btn btn-sm" th:href="@{index.html(l='zh_CN')}">中文</a>

参考源码：AcceptHeaderLocaleResolver类中的重写方法，创建地域解析器

public class MyLocaleResolver implements LocaleResolver {

    //解析请求
    @Override
    public Locale resolveLocale(HttpServletRequest request) {
        //获得请求中的语言参数
        String language = request.getParameter("l");

        Locale locale = Locale.getDefault();//如果没有就使用默认的

        //如果请求的链接携带了国际化参数
        if(!StringUtils.isEmpty(language)){
            //zh_CN
            String[] split = language.split("_");
            //国家，地区
            locale  = new Locale(split[0], split[1]);
        }

        return locale;
    }

    @Override
    public void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale) {

    }
}

在config中通过Bean 注入

//自定义国际化组件生效
    @Bean
    public LocaleResolver localeResolver(){
        return new MyLocaleResolver();
    }
}

HTML

初始Html

<!DOCTYPE html>
<html lang="en">
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
      <meta name="description" content="">
      <meta name="author" content="">
      <title>Signin Template for Bootstrap</title>
      <!-- Bootstrap core CSS -->
      <link href="../../../../../../../class资源/zzz/asserts/css/bootstrap.min.css" rel="stylesheet">
      <!-- Custom styles for this template -->
      <link href="../../../../../../../class资源/zzz/asserts/css/signin.css" rel="stylesheet">
   </head>

   <body class="text-center">
      <form class="form-signin" action="../../../../../../../class资源/zzz/dashboard.html">
         <img class="mb-4" src="../../../../../../../class资源/zzz/asserts/img/bootstrap-solid.svg" alt="" width="72" height="72">
         <h1 class="h3 mb-3 font-weight-normal">Please sign in</h1>
         <label class="sr-only">Username</label>
         <input type="text" class="form-control" placeholder="Username" required="" autofocus="">
         <label class="sr-only">Password</label>
         <input type="password" class="form-control" placeholder="Password" required="">
         <div class="checkbox mb-3">
            <label>
          <input type="checkbox" value="remember-me"> Remember me
        </label>
         </div>
         <button class="btn btn-lg btn-primary btn-block" type="submit">Sign in</button>
         <p class="mt-5 mb-3 text-muted">© 2017-2018</p>
         <a class="btn btn-sm">中文</a>
         <a class="btn btn-sm">English</a>
      </form>

   </body>

</html>

thymeleaf修饰后的HTML

thymeleaf官方文档

Simple expressions:
- Variable Expressions: ${...}
- Selection Variable Expressions: *{...}
- Message Expressions: #{...}
- Link URL Expressions: @{...}
- Fragment Expressions: ~{...}
Literals
- Text literals: 'one text', 'Another one!',…
- Number literals: 0, 34, 3.0, 12.3,…
- Boolean literals: true, false
- Null literal: null
- Literal tokens: one, sometext, main,…
Text operations:
- String concatenation: +
- Literal substitutions: |The name is ${name}|
Arithmetic operations:
- Binary operators: +, -, *, /, %
- Minus sign (unary operator): -
Boolean operations:
- Binary operators: and, or
- Boolean negation (unary operator): !, not
Comparisons and equality:
- Comparators: >, <, >=, <= (gt, lt, ge, le)
- Equality operators: ==, != (eq, ne)
Conditional operators:
- If-then: (if) ? (then)
- If-then-else: (if) ? (then) : (else)
- Default: (value) ?: (defaultvalue)
Special tokens:
- No-Operation: _

<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
      <meta name="description" content="">
      <meta name="author" content="">
      <title>Signin Template for Bootstrap</title>
      <!-- Bootstrap core CSS -->
      <link th:href="@{/css/bootstrap.min.css}" rel="stylesheet">
      <!-- Custom styles for this template -->
      <link th:href="@{/css/signin.css}" rel="stylesheet">
   </head>

   <body class="text-center">
      <form class="form-signin" action="dashboard.html">
         <img class="mb-4" th:src="@{/img/bootstrap-solid.svg}" alt="" width="72" height="72">
         <h1 class="h3 mb-3 font-weight-normal" th:text="#{login.tip}">Please sign in</h1>
         <label class="sr-only" th:text="#{login.username}">Username</label>
         <input type="text" class="form-control" th:placeholder="#{login.username}" required="" autofocus="">
         <label class="sr-only" th:text="#{login.password}">Password</label>
         <input type="password" class="form-control" th:placeholder="#{login.password}" required="">
         <div class="checkbox mb-3">
            <label>
          <input type="checkbox" value="remember-me" > [[#{login.remember}]]
        </label>
         </div>
         <button class="btn btn-lg btn-primary btn-block" type="submit" th:text="#{login.btn}">Sign in</button>
         <p class="mt-5 mb-3 text-muted">© 2017-2018</p>
         <a class="btn btn-sm" th:href="@{index.html(l='zh_CN')}">中文</a>
         <a class="btn btn-sm" th:href="@{index.html(l='en_US')}">English</a>
      </form>

   </body>

</html>

1.首页配置：所有静态资源都需要使用thymeleaf接管；
- 2.url @{}
2页面国际化：
- 我们需要配置i18n文件
- 我们在项目中需要进行按键自动切换，我们需要自定义一个组件LocaleResolver
- 记得将自己写的组件配置到spring容器中 @Bean
- {}

SpringBoot实现国际化中英文翻译，

SpringBoot实现国际化中英文翻译，

SpringBoot实现国际化中英文翻译

1.设置编码为UTF-8

2.在resources目录下创建 i18n 文件夹 internationalization简写

HTML

thymeleaf修饰后的HTML

{}

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