jar包
<parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.3.2.RELEASE</version> </parent> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>Hoxton.SR8</version> <type>pom</type> <scope>import</scope> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-alibaba-dependencies</artifactId> <version>2.2.3.RELEASE</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement>创建module 导入
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> 监控 <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> <dependency> <groupId>com.alibaba.csp</groupId> <artifactId>sentinel-core</artifactId> <version>1.8.0</version> </dependency> <!-- nacos discovery--> nacos注册中心 <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId> </dependency> <!--open feign--> 服务之间调用 <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-openfeign</artifactId> </dependency> <!--sentinel--> 断路器 <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId> </dependency> </dependencies> spring.application.name=customer //服务名称 spring.cloud.nacos.discovery.server-addr=localhost:8001 //nacos地址 spring.cloud.sentinel.eager=true 取消控制台懒加载 spring.cloud.sentinel.transport.dashboard=localhost:8080 注册地址 feign.sentinel.enabled=true 开启feign对sentinel的支持 server.port=8079 端口号nacos和sentinel都是需要先下载
熔断在feign调用方 实现feign接口 并在@Feignclient接口标注
