java：spring actuator添加自定义endpoint

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# 项目代码资源：

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https://download.csdn.net/download/chenhz2284/89437274

# 项目代码

【pom.xml】

<dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId><version>2.3.12.RELEASE</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId><version>2.3.12.RELEASE</version></dependency><dependency><groupId>ch.qos.logback</groupId><artifactId>logback-classic</artifactId><version>1.2.11</version></dependency>
</dependencies>
<build><plugins><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><version>3.13.0</version><configuration><compilerArgs><!--添加编译参数【-parameters】很重要，没有这个参数的话【/actuator/chzEndpoint/p1】这个地址无法访问--><arg>-parameters</arg></compilerArgs></configuration></plugin><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><version>2.3.12.RELEASE</version><executions><execution><phase>package</phase><goals><goal>repackage</goal></goals></execution></executions></plugin></plugins>
</build>

【application.properties】

server.port=8080
spring.application.name=myActuatormanagement.server.port=8080
management.endpoints.web.exposure.include=*

【ChzEndpoint.java】

package com.chz.myActuator.actuator;@Slf4j
@Component
@Endpoint(id = "chzEndpoint")
public class ChzEndpoint {private Map<String, Feature> features = new ConcurrentHashMap<>();@PostConstructpublic void init(){log.info("chz >> ChzEndpoint.<init>()");Feature p1Feature = new Feature();p1Feature.setEnabled(true);p1Feature.setName("p1");p1Feature.setValue(1D);features.put("p1", p1Feature);Feature p2Feature = new Feature();p2Feature.setEnabled(true);p2Feature.setName("p2");p2Feature.setValue(2D);features.put("p2", p2Feature);}// 请求地址为【GET /actuator/chzEndpoint】@ReadOperationpublic Map<String, Feature> features() {log.info("chz >> ChzEndpoint.features()");return features;}// 请求地址为【GET /actuator/chzEndpoint/p1】@ReadOperationpublic Feature feature(@Selector String name) {log.info("chz >> ChzEndpoint.feature(@Selector String name)");return features.get(name);}// 请求地址为【POST /actuator/chzEndpoint/p1】@WriteOperationpublic void putFeature(@Selector String name, Double value) {log.info("chz >> ChzEndpoint.putFeature(@Selector String name, Feature feature)");Feature feature = features.get(name);if( feature!=null ){feature.setValue(value);} else {feature = new Feature();feature.setEnabled(true);feature.setName(name);feature.setValue(value);feature.setTime(LocalDateTime.now());features.put(name, feature);}}// 请求地址为【DELETE /actuator/chzEndpoint/p1】@DeleteOperationpublic void deleteFeature(@Selector String name) {log.info("chz >> ChzEndpoint.deleteFeature(@Selector String name)");features.remove(name);}@Getter@Setterpublic class Feature{private Boolean enabled;private String name;private Double value;private LocalDateTime time = LocalDateTime.now();}
}

【TestController.java】

package com.chz.myActuator.controller;@Slf4j
@RestController
@RequestMapping("/test")
public class TestController {@Autowiredprivate ConfigurableApplicationContext context;@GetMapping("/shutdown")public String shutdown() {context.close();return "shutdown";}
}

【MyActuatorTest.java】

package com.chz.myActuator;@SpringBootApplication
public class MyActuatorTest {public static void main(String[] args) {SpringApplication.run(MyActuatorTest.class, args);}
}

【test.http】

###GET http://localhost:8080/actuator/chzEndpoint###GET http://localhost:8080/actuator/chzEndpoint/p1###POST http://localhost:8080/actuator/chzEndpoint/p1
Content-Type: application/json{"value": 111.0
}###DELETE http://localhost:8080/actuator/chzEndpoint/p1
Content-Type: application/json

# 运行与测试

启动【MyActuatorTest】

访问【http://localhost:8080/actuator/chzEndpoint】
在这里插入图片描述
访问【http://localhost:8080/actuator/chzEndpoint/p1】

访问【POST http://localhost:8080/actuator/chzEndpoint/p1】

访问【DELETE http://localhost:8080/actuator/chzEndpoint/p1】