springcloud 集成Sentinel 1.8持久化到nacos

　<dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
            <version>2.2.4.RELEASE</version>
            <exclusions>
                <exclusion>
                    <groupId>com.alibaba</groupId>
                    <artifactId>fastjson</artifactId>
                </exclusion>
            </exclusions> 
  </dependency>
 <dependency>
    <groupId>com.alibaba.csp</groupId>
    <artifactId>sentinel-datasource-nacos</artifactId>
    <version>1.8.0</version>
</dependency>

spring:
  cloud: 
    sentinel:
      port: 8719
      eager: true
      transport: 
　　　　　# sentinel客户端地址 
        dashboard: 127.0.0.1:8080 
      datasource:
        flow:
          nacos:
            #nacos地址
            server-addr: ${spring.cloud.nacos.discovery.server-addr}
　　　　　　　#nacos dataId 详细看 sentinel 客户端添加到nacos下的保持一致
            dataId: ${spring.application.name}-flow-rules
            #nacos namespace  详细看 sentinel 客户端添加到nacos下的保持一致
            namespace: ${spring.cloud.nacos.discovery.namespace}
　　　　　　　#nacos namespace  详细看 sentinel 客户端添加到nacos下的保持一致　　　　　　　
            groupId: SENTINEL_GROUP
            #data-type: json
            # 规则类型，取值见：
            # org.springframework.cloud.alibaba.sentinel.datasource.RuleType 
            rule-type: flow

          #熔断降级 名称随意
          degrade:
            nacos:
              server-addr: ${spring.cloud.nacos.discovery.server-addr}
              dataId: ${spring.application.name}-degrade-rules
              namespace: ${spring.cloud.nacos.discovery.namespace}
              groupId: SENTINEL_GROUP
              rule-type: degrade

            #系统规则 名称随意
            system:
              nacos:
                server-addr: ${spring.cloud.nacos.discovery.server-addr}
                dataId: ${spring.application.name}-system-rules
                namespace: ${spring.cloud.nacos.discovery.namespace}
                groupId: SENTINEL_GROUP
                rule-type: system

            #授权规则 名称随意
            authority:
              nacos:
                server-addr: ${spring.cloud.nacos.discovery.server-addr}
                dataId: ${spring.application.name}-authority-rules
                namespace: ${spring.cloud.nacos.discovery.namespace}
                groupId: SENTINEL_GROUP
                rule-type: authority

            #参数规则 名称随意
            param-flow:
              nacos:
                server-addr: ${spring.cloud.nacos.discovery.server-addr}
                dataId: ${spring.application.name}-param-flow-rules
                namespace: ${spring.cloud.nacos.discovery.namespace}
                groupId: SENTINEL_GROUP
                rule-type: param-flow