Springboot 国际化配置

resources 目录下新建一个名叫“i18n”的包,用来存放国际化配置,然后在这个包下,我们再创建几个properties的配置文件,用来配置语言:
在这里插入图片描述

创建3个文件,分别是无语言配置时候生效的login.properties;中文生效的login_zh_CN.properties;英文生效的login_en_US.properties;
Springboot 国际化配置_第1张图片
application.properties中添加配置参数,让我们的配置生效:

spring.messages.basename=i18n.login

修改前端页面:


<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 Bootstraptitle>
		
		<link href="asserts/css/bootstrap.min.css" th:href="@{/asserts/css/bootstrap.min.css}" rel="stylesheet">
		
		<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" th:action="@{/user/login}" method="post">
			<img class="mb-4" th:src="@{/asserts/img/bootstrap-solid.svg}" src="asserts/img/bootstrap-solid.svg" alt="" width="72" height="72">
			<h1 class="h3 mb-3 font-weight-normal" th:text="#{login.tip}">Please sign inh1>

			
			<p style="color: red" th:text="${msg}" th:if="${not #strings.isEmpty(msg)}">p>

			<label class="sr-only" th:text="#{login.username}">Usernamelabel>
			<input type="text" name="username" class="form-control" placeholder="Username" th:placeholder="#{login.username}" required="" autofocus="">
			<label class="sr-only"  th:text="#{login.password}">Passwordlabel>
			<input type="password" name="password" class="form-control" placeholder="Password" 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 inbutton>
			<p class="mt-5 mb-3 text-muted">© 2019-2020p>
			<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')}">Englisha>
		form>
	body>
html>

Springboot 国际化配置_第2张图片
在超链接的请求参数上携带国际化信息:

<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')}">Englisha>

自定义国际化解析器:实现LocaleResolver接口,逻辑中如果请求参数中有"lang"参数则使用自定义的国际化解析器,否则使用SpringBoot默认的国际化解析器

public class MyLocaleResolver implements LocaleResolver {
     
    @Override
    public Locale resolveLocale(HttpServletRequest Request) {
     

        String l = Request.getParameter("l");
        Locale locale=Locale.getDefault();
        if (!StringUtils.isEmpty(l)){
     
            String[] s = l.split("_");
            locale=new Locale(s[0],s[1]);
        }
        return locale;
    }

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

    }
}

将自定义的国际化解析器纳入容器管理:在任意一个配置类中添加如下代码

@Bean
public LocaleResolver localeResolver(){
     
	return new MyLocaleResolver();
}

此时只要请求链接中带有参数"l"就会使用我们自定义的国际化解析器

这样我们就可以自动切换中英文:

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