整合nacos和openFeign

pom.xml

@@ -16,6 +16,7 @@
     <properties>
         <java.version>1.8</java.version>
         <elasticsearch.version>7.8.1</elasticsearch.version>
+        <nacos.version>2021.0.1.0</nacos.version>
     </properties>
     <dependencies>
         <dependency>
@@ -189,6 +190,31 @@
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
+
+        <!-- nacos 服务的注册发现 -->
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
+            <version>${nacos.version}</version>
+        </dependency>
+        <!-- nacos  配置中心 -->
+        <dependency>
+            <groupId>com.alibaba.cloud</groupId>
+            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
+            <version>${nacos.version}</version>
+        </dependency>
+        <!-- openfeign依赖 -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
+            <version>3.1.1</version>
+        </dependency>
+        <!-- openfeign负载均衡依赖 -->
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-loadbalancer</artifactId>
+            <version>3.1.1</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -231,5 +257,41 @@
             </releases>
         </repository>
     </repositories>
-
+    <!-- 环境 -->
+    <profiles>
+        <!-- 基础单体环境 -->
+        <profile>
+            <id>dev</id>
+            <activation>
+                <!--默认激活配置-->
+                <activeByDefault>true</activeByDefault>
+            </activation>
+            <properties>
+                <!--当前环境-->
+                <profile.name>dev</profile.name>
+            </properties>
+        </profile>
+        <profile>
+            <id>test</id>
+            <properties>
+                <!--当前环境-->
+                <profile.name>test</profile.name>
+            </properties>
+        </profile>
+        <profile>
+            <id>pro</id>
+            <properties>
+                <!--当前环境-->
+                <profile.name>pro</profile.name>
+            </properties>
+        </profile>
+        <!-- 整合nacos作为配置中心，注册中心 -->
+        <profile>
+            <id>nacos</id>
+            <properties>
+                <!--当前环境-->
+                <profile.name>nacos</profile.name>
+            </properties>
+        </profile>
+    </profiles>
 </project>

src/main/java/com/zzsn/event/config/NacosConfig.java

+package com.zzsn.event.config;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
+import org.springframework.cloud.openfeign.EnableFeignClients;
+import org.springframework.context.annotation.Configuration;
+
+import javax.annotation.PostConstruct;
+
+//根据当前环境判断是否启用nacos配置
+@Configuration
+@ConditionalOnProperty(prefix = "spring.profiles",value = "active",havingValue = "nacos")
+@EnableDiscoveryClient
+@EnableFeignClients(basePackages = "com.zzsn.event.feign.api")
+public class NacosConfig {
+    private static final Logger log = LoggerFactory.getLogger(NacosConfig.class);
+    @Value("${spring.application.name}")
+    private String serviceName;
+    @PostConstruct
+    public void registerInstance() throws NacosException {
+        log.info("nacos服务注册成功：{}",serviceName);
+    }
+
+}

src/main/resources/application-dev.yml

-server:
-  port: 1688
-  servlet:
-    context-path: /event
 spring:
   servlet:
     multipart:

src/main/resources/application-nacos.yml

+spring:
+  config:
+    # nacos配置中心必须加此项配置，否则会因为配置文件加载顺序原因导致配置中心配置无效
+    import: "optional:nacos:${spring.application.name}.${spring.cloud.nacos.config.file-extension}?group=${spring.cloud.nacos.config.group}"
+  cloud:
+    nacos:
+      # nacos 服务注册
+      discovery:
+        enabled: true
+        server-addr: nacos:8848
+        namespace:  # 命名空间
+      # nacos 配置中心
+      config:
+        username: nacos
+        password: nacos
+        server-addr: nacos:8848
+        namespace:  # 命名空间
+        group: clb-service
+        prefix: ${spring.application.name} # 配置前缀，默认是应用名
+        file-extension: yaml

src/main/resources/application-pro.yml

-server:
-  port: 1688
-  servlet:
-    context-path: /event
 spring:
   servlet:
     multipart:

src/main/resources/application-test.yml

-server:
-  port: 1688
-  servlet:
-    context-path: /event
 spring:
   servlet:
     multipart:

src/main/resources/application.yml

+server:
+  port: 1688
+  servlet:
+    context-path: /event
 spring:
   profiles:
-#    active: dev
-    active: pro
\ No newline at end of file
+    active: @profile.name@
+  application:
+    name: event
+  main:
+    allow-bean-definition-overriding: true
+  cloud:
+    nacos:
+      discovery:
+        #默认禁用nacos注册发现
+        enabled: false