添加第二种方式实现FunInit接口，在初始化的时候从nacos获取配置

sentinel-demo-springboot-nacos/src/main/java/com/alibaba/csp/sentinel/demo/springboot/nacos/config/AopConfiguration.java

@@ -23,6 +23,7 @@ import org.springframework.context.annotation.Configuration;
 @Configuration
 public class AopConfiguration {
 
+    // spring-colud-alibaba-sentinel 引入sentinel 不需要手动注入下面Bean 可以直接使用@SentinelResource
 
 //    @Bean
 //    public SentinelResourceAspect sentinelResourceAspect() {

sentinel-demo-springboot-nacos/src/main/java/com/alibaba/csp/sentinel/demo/springboot/nacos/config/ApplicationRunnerImpl.java

 package com.alibaba.csp.sentinel.demo.springboot.nacos.config;
 
-import com.alibaba.cloud.sentinel.SentinelProperties;
-import com.alibaba.cloud.sentinel.datasource.RuleType;
-import com.alibaba.cloud.sentinel.datasource.config.NacosDataSourceProperties;
-import com.alibaba.csp.sentinel.datasource.ReadableDataSource;
-import com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource;
-import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
-import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
-import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
-import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
-import com.alibaba.fastjson.JSON;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.ApplicationArguments;
 import org.springframework.boot.ApplicationRunner;
 import org.springframework.stereotype.Component;
 
-import java.util.List;
-import java.util.Objects;
-import java.util.Properties;
-
 /**
  * @author lnj
  * createTime 2018-11-07 22:37
@@ -28,39 +12,11 @@ import java.util.Properties;
 @Component
 public class ApplicationRunnerImpl implements ApplicationRunner {
 
-    Logger logger = LoggerFactory.getLogger(this.getClass());
-
     @Autowired
-    SentinelProperties sentinelProperties;
+    private NacosStartService nacosStartService;
 
     @Override
     public void run(ApplicationArguments args) throws Exception {
-        logger.info("[NacosSource初始化,从Nacos中获取熔断规则]");
-        sentinelProperties.getDatasource().entrySet().stream().filter(map -> {
-            return map.getValue().getNacos() != null;
-        }).forEach(map -> {
-            NacosDataSourceProperties nacos = map.getValue().getNacos();
-            Properties properties = new Properties() {{
-                setProperty("serverAddr", nacos.getServerAddr());
-                setProperty("namespace", "31b168cb-51ee-4b8b-adfa-29b42d4afa0b");
-            }};
-            if (Objects.equals(nacos.getRuleType(), RuleType.FLOW)) {
-                ReadableDataSource<String, List<FlowRule>> flowRuleDataSource = new NacosDataSource<>(properties,
-                        nacos.getGroupId(), nacos.getDataId(),
-                        source -> JSON.parseObject(source, new com.alibaba.fastjson.TypeReference<List<FlowRule>>() {
-                        }));
-                FlowRuleManager.register2Property(flowRuleDataSource.getProperty());
-            }
-
-            if (Objects.equals(nacos.getRuleType(), RuleType.DEGRADE)) {
-                ReadableDataSource<String, List<DegradeRule>> degradeRuleDataSource = new NacosDataSource<>(properties,
-                        nacos.getGroupId(), nacos.getDataId(),
-                        source -> JSON.parseObject(source, new com.alibaba.fastjson.TypeReference<List<DegradeRule>>() {
-                        }));
-                DegradeRuleManager.register2Property(degradeRuleDataSource.getProperty());
-            }
-
-
-        });
+        nacosStartService.initNacosConfigFromNacos();
     }
 }
\ No newline at end of file

sentinel-demo-springboot-nacos/src/main/java/com/alibaba/csp/sentinel/demo/springboot/nacos/config/NacosStartService.java

+package com.alibaba.csp.sentinel.demo.springboot.nacos.config;
+
+import com.alibaba.cloud.sentinel.SentinelProperties;
+import com.alibaba.cloud.sentinel.datasource.RuleType;
+import com.alibaba.cloud.sentinel.datasource.config.NacosDataSourceProperties;
+import com.alibaba.csp.sentinel.datasource.ReadableDataSource;
+import com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource;
+import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
+import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
+import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
+import com.alibaba.csp.sentinel.slots.block.flow.FlowRuleManager;
+import com.alibaba.fastjson.JSON;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.Properties;
+
+/**
+ * @author ligen
+ * @title: NacosStartService
+ * @projectName dashboardplus
+ * @description:
+ * @date 2020/4/214:08
+ */
+@Service
+public class NacosStartService {
+
+    Logger logger = LoggerFactory.getLogger(this.getClass());
+
+
+    @Autowired
+    private SentinelProperties sentinelProperties;
+
+
+    public void initNacosConfigFromNacos() {
+        logger.info("[NacosSource初始化,从Nacos中获取熔断规则]");
+        sentinelProperties.getDatasource().entrySet().stream().filter(map -> {
+            return map.getValue().getNacos() != null;
+        }).forEach(map -> {
+            NacosDataSourceProperties nacos = map.getValue().getNacos();
+            Properties properties = new Properties() {{
+                setProperty("serverAddr", nacos.getServerAddr());
+                setProperty("namespace", "31b168cb-51ee-4b8b-adfa-29b42d4afa0b");
+            }};
+            if (Objects.equals(nacos.getRuleType(), RuleType.FLOW)) {
+                ReadableDataSource<String, List<FlowRule>> flowRuleDataSource = new NacosDataSource<>(properties,
+                        nacos.getGroupId(), nacos.getDataId(),
+                        source -> JSON.parseObject(source, new com.alibaba.fastjson.TypeReference<List<FlowRule>>() {
+                        }));
+                FlowRuleManager.register2Property(flowRuleDataSource.getProperty());
+            }
+
+            if (Objects.equals(nacos.getRuleType(), RuleType.DEGRADE)) {
+                ReadableDataSource<String, List<DegradeRule>> degradeRuleDataSource = new NacosDataSource<>(properties,
+                        nacos.getGroupId(), nacos.getDataId(),
+                        source -> JSON.parseObject(source, new com.alibaba.fastjson.TypeReference<List<DegradeRule>>() {
+                        }));
+                DegradeRuleManager.register2Property(degradeRuleDataSource.getProperty());
+            }
+
+
+        });
+    }
+}

sentinel-demo-springboot-nacos/src/main/java/com/alibaba/csp/sentinel/demo/springboot/nacos/inti/DemoNacosInitFunc.java

+package com.alibaba.csp.sentinel.demo.springboot.nacos.inti;
+
+import com.alibaba.csp.sentinel.demo.springboot.nacos.config.NacosStartService;
+import com.alibaba.csp.sentinel.init.InitFunc;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author lnj
+ * createTime 2018-11-07 22:37
+ **/
+@Component
+public class DemoNacosInitFunc implements InitFunc {
+
+    @Autowired
+    private NacosStartService nacosStartService;
+
+    @Override
+    public void init() throws Exception {
+        nacosStartService.initNacosConfigFromNacos();
+    }
+}
\ No newline at end of file

sentinel-demo-springboot-nacos/src/main/resources/services/com.alibaba.csp.sentinel.init.InitFunc

+com.alibaba.csp.sentinel.demo.springboot.nacos.init.DemoNacosInitFunc
\ No newline at end of file