setinel 阿里的限流方式

启动命令

java -jar sentinel-dashboard-1.8.1.jar --server.port=8082 

账号密码都是 sentinel

导入依赖

配置文件配置

spring:
  cloud:
    #限流
    sentinel:
      transport:
        #默认地址
        dashboard: localhost:8082
#配置security验证账号和密码
  security:
    user:
      name: admin
      password: admin
#feign 的远程调用开启sentinel的熔断降级配置
feign:
  sentinel:
    enabled: true

上代码

    @RequestMapping("send1")
    @SentinelResource(value = "send1",blockHandler = "handleException")
    public String send1(){
        return "你好,Sentinel by Url !!!";
    }

    public String handleException(BlockException exception){
        return "限流了";
    }