1. 启动Sentinel

java -Dserver.port=8090 -Dcsp.sentinel.dashboard.server=localhost:8090 -Dproject.name=sentinel-dashboard -jar sentinel-dashboard.jar

2. 依赖

<!--sentinel-->
<dependency>
    <groupId>com.alibaba.cloud</groupId> 
    <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
</dependency>

3. 配置

spring:
  cloud: 
    sentinel:
      transport:
        dashboard: localhost:8090
      http-method-specify: true # 将请求方式也作为簇点链路

簇点链路： Controller中的Rest接口