[英]Spring Boot i18n issue
I am learning spring Boot framework right now, I am trying to apply i18n concept on my simple application. 我现在正在学习spring Boot框架,我正在尝试在简单的应用程序中应用i18n概念。 But whenever I run the application, the following error returned: "No message found under code 'label.welcomeMessage' for locale 'en_US'."
但是,每当我运行该应用程序时,都会返回以下错误: "No message found under code 'label.welcomeMessage' for locale 'en_US'."
. 。 I have read about this issue and tried a lot before I getting here to ask but noting have worked with me. 在到达这里询问之前,我已经阅读了有关此问题的内容并尝试了很多,但注意到已经与我合作了。
Here is my AppClass configuration: 这是我的AppClass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;
}
}
Here is the welcome JSP: 这是受欢迎的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>
and here is the hierarchy of my application: 这是我的应用程序的层次结构:
Any Help Please , Thanks in advance 任何帮助请,在此先感谢
You need to configuration a bean
named messageSource
您需要配置一个名为messageSource
的bean
here is the code, add it to a java
code file, make sure @Configuration
can be scan: 这是代码,将其添加到java
代码文件中,确保可以扫描@Configuration
:
@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;
}
}
The point is : resourceBundleMessageSource.setBasenames("i18n/messages");
关键是: resourceBundleMessageSource.setBasenames("i18n/messages");
remember the base path is classpath
, so the i18n
properties resource should set in i18n/messages
. 请记住,基本路径是classpath
,因此i18n
属性资源应在i18n/messages
设置。 In order not to crash problem, I suggest you create the properties by using IDEA
. 为了避免崩溃,建议您使用IDEA
创建属性。
Quote Spring official doc: 引用Spring官方文档:
Strategy interface for resolving messages, with support for the parameterization and internationalization of such messages. 用于解析消息的策略接口,并支持此类消息的参数化和国际化。 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. Spring为生产提供了两种开箱即用的实现:ResourceBundleMessageSource
,它是在标准ResourceBundleReloadableResourceBundleMessageSource
之上构建的,能够在不重新启动VM的情况下重新加载消息定义。
This is the reason we need to configure a bean named messageSource
. 这就是我们需要配置一个名为messageSource
的bean的原因。
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