sentinel在controller上限流

    <dependencyManagement>
         <dependencies>
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                 <version>0.1.2.RELEASE</version>    
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
         </dependencies>
     </dependencyManagement>
        <!-- alibaba-sentinel -->        
          <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
         </dependency>
         <dependency>
             <groupId>com.alibaba.csp</groupId>
             <artifactId>sentinel-annotation-aspectj</artifactId>
         </dependency>        
          <dependency>
             <groupId>com.alibaba.csp</groupId>
             <artifactId>sentinel-transport-simple-http</artifactId>
         </dependency>

@Configuration
 public class AspectConfiguration {
 
     @Bean
     public SentinelResourceAspect sentinelResourceAspect() {
        return new SentinelResourceAspect();
     }    
 }

#Sentinel 控制台地址
 spring.cloud.sentinel.transport.dashboard=localhost:9010
 #取消Sentinel控制台懒加载
 spring.cloud.sentinel.eager=true
 spring.cloud.sentinel.transport.heartbeat-interval-ms=2000    //该值设置影响到sentinel-dashboard的配置什么时候被更新到客户端
 spring.cloud.sentinel.transport.client-ip=127.0.0.1
    public String blockHandler(HttpServletRequest req,BlockException ex) {
         //可以记录日志，返回任何你想返回的东西
         return "请放慢速度";
     } 
  @GetMapping("/device")
     @SentinelResource(value="restApi-device",blockHandler="blockHandler")
     public String getDevice(HttpServletRequest req)

java -Dserver.port=8080 -Dcsp.sentinel.dashboard.server=localhost:8080 -Dproject.name=sentinel-dashboard -jar target/sentinel-dashboard.jar