spring boot中配置網頁語言國際化
阿新 • • 發佈：2019-01-12
專案地址：https://gitee.com/indexman/spring_boot_in_action
開發步驟
1.編寫國際化配置檔案
場景是給登入頁面 login.html新增國際化支援。
2.使用ResourceBundleMessageSource管理國際化資原始檔
3.在頁面使用取出國際化內容
此處用的是thymleaf模板
<!DOCTYPE html> <html lang="en" 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 href="asserts/css/bootstrap.min.css" th:href="@{/webjars/bootstrap/4.0.0/css/bootstrap.css}" rel="stylesheet"> <!-- Custom styles for this template --> <link href="asserts/css/signin.css" th:href="@{/asserts/css/signin.css}" rel="stylesheet"> </head> <body class="text-center"> <form class="form-signin" action="dashboard.html"> <img class="mb-4" src="asserts/img/bootstrap-solid.svg" th:href="@{asserts/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" placeholder="Username" th:placeholder="#{login.username}" required="" autofocus=""> <label class="sr-only" th:text="#{login.username}">Password</label> <input type="password" class="form-control" placeholder="Password" th:placeholder="#{login.password}" required=""> <div class="checkbox mb-3"> <label> <input type="checkbox" value="remember-me" /> [[#{login.remeber}]] </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">中文</a> <a class="btn btn-sm">English</a> </form> </body> </html>
效果展示
效果：根據瀏覽器語言設定的資訊切換了國際化；
英文頁面：
中文頁面：
實現原理
SpringBoot自動配置好了管理國際化資原始檔的元件
org.springframework.boot.autoconfigure.context.MessageSourceAutoConfiguration
預設的就是根據請求頭帶來的區域資訊獲取Locale進行國際化
@Bean @ConditionalOnMissingBean @ConditionalOnProperty(prefix = "spring.mvc", name = "locale") public LocaleResolver localeResolver() { if (this.mvcProperties .getLocaleResolver() == WebMvcProperties.LocaleResolver.FIXED) { return new FixedLocaleResolver(this.mvcProperties.getLocale()); } AcceptHeaderLocaleResolver localeResolver = new AcceptHeaderLocaleResolver(); localeResolver.setDefaultLocale(this.mvcProperties.getLocale()); return localeResolver; }