Sentinel+Nacos+SpringCloud流量控制实现

环境说明：

Sentinel-1.6.0

Nacos-1.0.0

1.pom.xml配置

<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.5.RELEASE</version>
    </parent>
	<dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>war</type>
                <scope>import</scope>
            </dependency>
            <dependency>
	            <groupId>org.springframework.cloud</groupId>
	            <artifactId>spring-cloud-alibaba-dependencies</artifactId>
	            <version>0.2.2.RELEASE</version>
	             <type>pom</type>
                <scope>import</scope>
	        </dependency>
        </dependencies>
    </dependencyManagement>
        <!-- Sentinel依赖 -->
	<dependency>
		<groupId>org.springframework.cloud</groupId>
		<artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
	</dependency>
	 <!-- Sentinel-nacos -->
	<dependency>
	    <groupId>com.alibaba.csp</groupId>
	    <artifactId>sentinel-datasource-nacos</artifactId>
	</dependency>

2.controller配置

package com.zit.sentinel.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.alibaba.csp.sentinel.annotation.SentinelResource;

@RestController
@RequestMapping("webservice/sentinel")
public class SentinelController {
	@GetMapping("/hello")
    @SentinelResource(value="hello")// 添加注解
    public String hi(@RequestParam(value = "name", defaultValue = "nacos", required = false) String name) {
        return "hello" + name;
    }
}

3.application.properties配置

## sentinel配置
# HttpServer地址
spring.cloud.sentinel.transport.port=8719
# SentinelDashBoard地址（通过jar启动）
spring.cloud.sentinel.transport.dashboard=192.168.182.1:8080

# sentinel datasource nacos
spring.cloud.sentinel.datasource.ds.nacos.server-addr=localhost:8848
spring.cloud.sentinel.datasource.ds.nacos.data-id=${spring.application.name}-sentinel
spring.cloud.sentinel.datasource.ds.nacos.group-id=DEFAULT_GROUP
spring.cloud.sentinel.datasource.ds.nacos.rule-type=flow

4.Nacos配置

5.启动Sentinel Dashboard

java -jar sentinel-dashboard-1.6.0.jar

6. hello>1次/秒

出现限流信息

代码见：https://github.com/o99o/CAC_SpringBoot_Cloud_Nacos_Producer_Sentinel.git