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pom.xml

<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><parent><artifactId>dym_cloud2021</artifactId><groupId>com.atguigu.springcloud</groupId><version>1.0-SNAPSHOT</version></parent><modelVersion>4.0.0</modelVersion><artifactId>cloud-provider-hystrix-payment8001</artifactId><dependencies><!--hystrix--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-hystrix</artifactId></dependency><!--eureka client--><dependency><groupId>org.springframework.cloud</groupId><artifactId>spring-cloud-starter-netflix-eureka-client</artifactId></dependency><!--web--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId></dependency><dependency><!-- 引入自己定義的api通用包，可以使用Payment支付Entity --><groupId>com.atguigu.springcloud</groupId><artifactId>cloud-api-commons</artifactId><version>${project.version}</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><scope>runtime</scope><optional>true</optional></dependency><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency></dependencies></project>

application.yml

server:port: 8001spring:application:name: cloud-provider-hystrix-paymenteureka:client:register-with-eureka: truefetch-registry: trueservice-url:#defaultZone: http://eureka7001.com:7001/eureka,http://eureka7002.com:7002/eurekadefaultZone: http://localhost:7001/eureka

PaymentHystrixMain8001.java

package com.dym.springcloud;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.cloud.netflix.eureka.EnableEurekaClient;@SpringBootApplication @EnableEurekaClient public class PaymentHystrixMain8001 {public static void main(String[] args) {SpringApplication.run(PaymentHystrixMain8001.class, args);}}

PaymentService.java

package com.dym.springcloud.service;import org.springframework.stereotype.Service;import java.util.concurrent.TimeUnit;@Service public class PaymentService {/*** 正常訪問，肯定OK*/public String paymentInfo_OK(Integer id) {return "線程池: " + Thread.currentThread().getName() + " paymentInfo_OK,id: " + id + "\t" + "O(∩_∩)O哈哈~";}public String paymentInfo_TimeOut(Integer id) {int timeNumber=3;try {TimeUnit.MILLISECONDS.sleep(3000);} catch (InterruptedException e) {e.printStackTrace();}return "線程池: " + Thread.currentThread().getName() + " id: " + id + "\t" + "O(∩_∩)O哈哈~" + " 耗時(秒): "+timeNumber;}}

PaymentController.java

package com.dym.springcloud.controller;import com.dym.springcloud.service.PaymentService; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Value; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RestController;import javax.annotation.Resource;@RestController @Slf4j public class PaymentController {@Resourceprivate PaymentService paymentService;@Value("${server.port}")private String serverPort;@GetMapping("/payment/hystrix/ok/{id}")public String paymentInfo_OK(@PathVariable("id") Integer id){String result = paymentService.paymentInfo_OK(id);log.info("*****result: "+result);return result;}@GetMapping("/payment/hystrix/timeout/{id}")public String paymentInfo_TimeOut(@PathVariable("id") Integer id){String result = paymentService.paymentInfo_TimeOut(id);log.info("*****result: "+result);return result;}}

總結

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