我现在正在学习 spring Boot 框架，我正在尝试在我的简单应用程序中应用 i18n 概念。但每当我运行该应用程序时，都会返回以下错误:“在语言环境“en_US”的代码“label.welcomeMessage”下找不到消息。”。在我来这里询问之前，我已经读过有关这个问题的文章并尝试了很多，但注意到对我有用。
这是我的应用程序类配置:
package com.abed.main.configuration;
import java.util.Locale;
import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.ReloadableResourceBundleMessageSource;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.i18n.SessionLocaleResolver;
@Configuration
public class AppConfig implements WebMvcConfigurer{
@Bean
public LocaleResolver localeResolver()
{
SessionLocaleResolver slr = new SessionLocaleResolver();
slr.setDefaultLocale(Locale.US);
return slr ;
}
@Bean
public LocaleChangeInterceptor LocaleChangeInterceptor()
{
LocaleChangeInterceptor lci = new LocaleChangeInterceptor();
lci.setParamName("lang");
return lci ;
}
{
}
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(LocaleChangeInterceptor());
}
@Bean
public MessageSource messageSource() {
ReloadableResourceBundleMessageSource msgSrc = new ReloadableResourceBundleMessageSource();
msgSrc.setBasename("classpath:messages/ticket");
msgSrc.setDefaultEncoding("UTF-8");
return msgSrc;
}
}
这是欢迎 JSP:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix = "c" uri = "http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix = "spring" uri="http://www.springframework.org/tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title><spring:message code="label.welcomePageTitle"></spring:message></title>
</head>
<body>
<h1><spring:message code="label.welcomeMessage"></spring:message></h1>
<form action="ticket" method="GET">
<spring:message code="label.ticketId"></spring:message><input type="text" name="Student_Id">
<input type="submit" value="<spring:message code="label.search"></spring:message>">
</form>
<a href="createTicket"><spring:message code="label.createTicketSubmit"></spring:message></a>
</body>
</html>
这是我的应用程序的层次结构:
请提供任何帮助，提前致谢
最佳答案
您需要配置一个名为messageSource的bean
这是代码，将其添加到java代码文件中，确保@Configuration可以被扫描:
@Configuration
public class MessageSourceConfig {
@Bean(name = "messageSource")
public ResourceBundleMessageSource getMessageSource() throws Exception {
ResourceBundleMessageSource resourceBundleMessageSource = new ResourceBundleMessageSource();
resourceBundleMessageSource.setDefaultEncoding("UTF-8");
resourceBundleMessageSource.setBasenames("i18n/messages");
return resourceBundleMessageSource;
}
}
重点是:resourceBundleMessageSource.setBasenames("i18n/messages");
请记住基本路径是classpath，因此i18n属性资源应在i18n/messages中设置。为了避免崩溃问题，我建议您使用IDEA创建属性。
引用Spring官方文档:
Strategy interface for resolving messages, with support for the parameterization and internationalization of such messages. Spring provides two out-of-the-box implementations for production:
ResourceBundleMessageSource, built on top of the standard ResourceBundleReloadableResourceBundleMessageSource, being able to reload message definitions without restarting the VM.
这就是我们需要配置名为 messageSource 的 bean 的原因。
关于java - Spring Boot i18n 问题，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/51424451/