在示例源代码类中的第一个注解(annotation)是@RestController。 这个注解被称为stereotype注解。在使用 Spring 的时候,需要对注解有所了解。Spring 有多个类型的注解,例如在包 org.springframework.context.annotation 和 org.springframework.stereotype 的注解。 不仅仅是 @
System.out.println("是否包含RequestMapping: "+AnnotatedElementUtils.hasAnnotation(queryBbsPostAll,RequestMapping.class)); RequestMapping mergedAnnotation = AnnotatedElementUtils.getMergedAnnotation(queryBbsPostAll, RequestMapping.class); ///query/bbs/posts System.out.println(StringUtils.arrayToCommaDelimitedStrin...
@RequestMapping在org.springframework.web.bind.annotation包中。所以你需要导入它
@SpringBootApplication:申明让spring boot自动给程序进行必要的配置,这个配置等同于:@Configuration ,@EnableAutoConfiguration 和 @ComponentScan 三个配置。 package com.example.myproject; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBoo...
The@RequestMappingannotation is a core annotation in Spring Boot that is used to map a specific HTTP request method to a specific Java method in a web application. This means that when a request is sent to the web application, Spring Boot will use the@RequestMappingannotation to determine which...
import org.springframework.context.annotation.Condition; import org.springframework.context.annotation.ConditionContext; import org.springframework.core.type.AnnotatedTypeMetadata; public class NotMatchCondition implements Condition { @Override public boolean matches(ConditionContext conditionContext,AnnotatedTypeMeta...
importjava.lang.annotation.RetentionPolicy; importjava.lang.annotation.Target; importorg.springframework.core.annotation.AliasFor; /** * Annotation for mapping web requests onto methods in request-handling classes * with flexible method signatures. ...
packagecom.example.springbootrest.config;importcom.example.springbootrest.utils.PropertiesHttpMsgConvert;importorg.springframework.context.annotation.Configuration;importorg.springframework.http.converter.HttpMessageConverter;importorg.springframework.web.servlet.config.annotation.WebMvcConfigurer;importjava.util.Lis...
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.web.context.WebServerInitializedEvent; import org.springframework.context.ApplicationListener; import org.springframework.stereotype.Component; import org.springframework.web.bind.annotation.RequestMethod; import org.spr...
我正在学习用于构建应用程序的 Spring Boot。我正在尝试使用不同包中的控制器构建我的第一个 Spring Boot 应用程序作为应用程序。 Tomcat 实例出现,但请求未到达为 URI 注册的 RestController。 以下是控制器类: package com.spring.controllers; import org.springframework.web.bind.annotation.RequestMapping; ...