Java Spring启动应用程序和MessageSource
我一直在尝试用MessageSource创建一个演示spring启动应用程序,但我不知道问题出在哪里。我试过两种方法:Java Spring启动应用程序和MessageSource,java,spring-boot,Java,Spring Boot,我一直在尝试用MessageSource创建一个演示spring启动应用程序,但我不知道问题出在哪里。我试过两种方法: MessageSourceAutoConfiguration 在@configuration文件中创建我自己的bean并自动连接它 以下是消息源自动配置的方式: 我使用的是spring boot starter父级1.5.7。释放 我的文件夹结构: MessageSourceAutoConfiguration matched: - ResourceBundle
- MessageSourceAutoConfiguration
- 在@configuration文件中创建我自己的bean并自动连接它
MessageSourceAutoConfiguration matched:
- ResourceBundle found bundle URL [file:/C:/Users/{user}/Downloads/demo/demo/target/classes/messages.properties] (MessageSourceAutoConfiguration.ResourceBundleCondition)
- @ConditionalOnMissingBean (types: org.springframework.context.MessageSource; SearchStrategy: current) did not find any beans (OnBeanCondition)
DemoApplication.java
@SpringBootApplication
public class DemoApplication
{
public static void main(String[] args)
{
SpringApplication.run(DemoApplication.class, args);
}
}
@RestController
public class DemoController implements MessageSourceAware
{
private MessageSource messageSource;
@Override
public void setMessageSource(MessageSource messageSource)
{
this.messageSource = messageSource;
}
@RequestMapping("demo")
public String getLocalisedText()
{
return messageSource.getMessage("test", new Object[0], new Locale("el"));
}
}
DemoController.java
@SpringBootApplication
public class DemoApplication
{
public static void main(String[] args)
{
SpringApplication.run(DemoApplication.class, args);
}
}
@RestController
public class DemoController implements MessageSourceAware
{
private MessageSource messageSource;
@Override
public void setMessageSource(MessageSource messageSource)
{
this.messageSource = messageSource;
}
@RequestMapping("demo")
public String getLocalisedText()
{
return messageSource.getMessage("test", new Object[0], new Locale("el"));
}
}
Application.yml
spring:
messages:
basename: messages
<groupId>com.example.i18n.demo</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.7.RELEASE</version>
<relativePath />
<!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-
8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
消息.属性
test=This is a demo app!
test=This is a greek demo app!
消息属性
test=This is a demo app!
test=This is a greek demo app!
pom.xml
spring:
messages:
basename: messages
<groupId>com.example.i18n.demo</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.7.RELEASE</version>
<relativePath />
<!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-
8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
我还试图明确声明我自己的bean,但没有成功
调用端点时,我收到以下错误:
{
"status": 500,
"error": "Internal Server Error",
"exception": "org.springframework.context.NoSuchMessageException",
"message": "No message found under code 'test' for locale 'el'.",
"path": "/demo"
}
我发现的最接近SO的问题是关于spring中的一个bug的一个问题(2年前),该bug在几个版本之前已经修复:
问题是我的Eclipse编码配置,我还没有设法修复它 调试Spring的代码(
reloadableSourceBundleMessageSource.java
)后,我可以看到我的key=value
属性已加载,但每个字符前面都有3个空格字符(例如TESTT=THHISISADMOP!
)
在另一台PC上,相同的演示应用程序可以正常工作。能否在参考资料中创建消息包,并在配置文件中尝试此Bean实现:
@Bean
public MessageSource messageSource() {
ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
messageSource.setBasename("classpath:messages");
messageSource.setCacheSeconds(10); //reload messages every 10 seconds
return messageSource;
}
此外,我建议您使用@Configuration注释的配置类,而不是xml文件,以完全适应Spring Boot的概念。我在springboot应用程序上也遇到了同样的问题。我已测试了以下选项之一: 如果您希望修改
application.properties
文件,请添加此行spring.messages.basename=messages
,其中messages是包含消息的文件的前缀。有了它,你不必自己设置messagesource
bean
或
我必须给MessageResource
bean一个名称,并使用初始化期间给定的名称自动连接它,否则DelegatingMessageSource
被注入,并且它无法解析为任何消息源
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
@Bean
public LocaleResolver localeResolver() {
SessionLocaleResolver localResolver=new SessionLocaleResolver();
localResolver.setDefaultLocale(Locale.US);
return localResolver;
}
@Bean(name = "messageResourceSB")
public MessageSource messageResource() {
ResourceBundleMessageSource messageBundleResrc=new ResourceBundleMessageSource();
messageBundleResrc.setBasename("msg.message");
return messageBundleResrc;
}
}
然后使用您期望的名称自动连接bean
@RestController
public class Internationalization {
@Autowired
@Qualifier("messageResourceSB")
MessageSource messageSource;
@GetMapping(path = "/sayHelloIntern")
public String sayHello(@RequestHeader(name="Accept-Language",required = false) Locale locale) {
return messageSource.getMessage("message.greeting", null, locale);
}
}
您还可以通过application.properties进行配置 下面是i18n.messages指向类路径文件夹i18n下的消息文件 spring.messages.basename=i18n.messages
参考SpringBoot文档小细节,您的消息文件中的“=”和翻译的消息之间不应该有空格。您的
消息。属性
放在哪里了。您还可以删除spring.messages.basename属性,因为这是默认属性。它现在可以工作了,谢谢,这是我的eclipse问题。。我的豆子是这样的(讨厌XML):@nicolas很高兴你发现了这个问题:)小心!假设您在基本名称上有filepath/to/messages\en.properties
,您必须设置:messageSource.setBasename(“file:path/to/messages”)
省略后缀\en.properties
注意方法(bean)名称必须是messageSource()
i18n/messages