springcloud3 Sentinel的搭建及案例操作方法

<dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.13</version>
      <scope>test</scope>
    </dependency>
    <!--SpringCloud ailibaba nacos -->
    <dependency>
      <groupId>com.alibaba.cloud</groupId>
      <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
      <version>2021.1</version>
    </dependency>
    <!--SpringCloud ailibaba sentinel-datasource-nacos 后续做持久化用到-->
    <dependency>
      <groupId>com.alibaba.csp</groupId>
      <artifactId>sentinel-datasource-nacos</artifactId>
      <version>1.5.2</version>
    </dependency>
    <!--SpringCloud ailibaba sentinel -->
    <dependency>
      <groupId>com.alibaba.cloud</groupId>
      <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
      <version>2021.1</version>
    </dependency>
    <!--openfeign-->
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-openfeign</artifactId>
    </dependency>
    <!-- SpringBoot整合Web组件+actuator -->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>
    <!--日常通用jar包配置-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-devtools</artifactId>
      <scope>runtime</scope>
      <optional>true</optional>
    </dependency>
    <dependency>
      <groupId>cn.hutool</groupId>
      <artifactId>hutool-all</artifactId>
      <version>4.6.3</version>
    </dependency>
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <optional>true</optional>
    </dependency>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>

server:
  port: 7005
 
spring:
  application:
    name: mscloud-sentinel-consumer
  cloud:
    nacos:
      discovery:
        server-addr: localhost:8848 #Nacos服务注册中心地址
    sentinel:
      transport:
        dashboard: localhost:8080 #配置Sentinel dashboard地址
        port: 8719
 
management:
  endpoints:
    web:
      exposure:
        include: '*'

@RestController
@Slf4j
public class DataLimitController {
        @GetMapping("/testA")
        public String testA()
        {
            return "------testA";
        }
 
        @GetMapping("/testB")
        public String testB()
        {
            log.info(Thread.currentThread().getName()+"\t"+"...testB");
            return "------testB";
        }
}

@EnableDiscoveryClient
@SpringBootApplication
public class App 
{
    public static void main( String[] args )
 
    {
        SpringApplication.run(App.class, args);
    }
}