content: package com.george.springcloud.controller;
  
  import com.alibaba.csp.sentinel.annotation.SentinelResource;
  import com.alibaba.csp.sentinel.slots.block.BlockException;
  import lombok.extern.slf4j.Slf4j;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.RestController;
  
  import java.util.concurrent.TimeUnit;
  
  /**
   * @author Yang Hao
   * @description
   * @date 2020-09-23 15:23
   */
  @RestController
  @Slf4j
  public class FlowLimitController {
  
      @GetMapping("/testA")
      public String testA() {
          try {
              TimeUnit.MILLISECONDS.sleep(800);
          } catch (InterruptedException e) {
              e.printStackTrace();
          }
          return "----------testA";
      }
  
      @GetMapping("/testB")
      public String testB() {
          log.info("----------testB:[{}]", Thread.currentThread().getName());
          return "----------testB";
      }
  
      @GetMapping("/testD")
      public String testD() {
          try {
              TimeUnit.SECONDS.sleep(1);
          } catch (InterruptedException e) {
              e.printStackTrace();
          }
  //        log.info("testD 测试RT");
          log.info("testD 异常比例");
          int age = 10 / 0;
          return "------testD";
      }
  
  
      @GetMapping("/testE")
      public String testE() {
          log.info("testE 测试异常数");
          int age = 10 / 0;
          return "------testE 测试异常数";
      }
  
      @GetMapping("/testHotKey")
      @SentinelResource(value = "testHotKey", blockHandler = "deal_testHotKey")
      public String testHotKey(@RequestParam(value = "p1", required = false) String p1,
                               @RequestParam(value = "p2", required = false) String p2) {
          return "-------testHotKey";
      }
  
      public String deal_testHotKey(String p1, String p2,
                                    BlockException exception) {
          return "----deal_testHotKey,o(╥﹏╥)o";
  
      }
  
  }
  