SpringBoot 整合 nacos 配置中心

cnkeysky2026-09-20 8:34

前提

nacos 版本是 3.2.4

依赖与配置

pom.xml 依赖版本

xml 复制代码

 <dependencyManagement>
     <dependency>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-dependencies</artifactId>
       <version>4.0.8</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
     <dependency>
       <groupId>com.alibaba.cloud</groupId>
       <artifactId>spring-cloud-alibaba-dependencies</artifactId>
       <version>2025.1.0.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
     <dependency>
       <groupId>org.springframework.cloud</groupId>
       <artifactId>spring-cloud-dependencies</artifactId>
       <version>2025.1.3</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
   </dependencies>
 </dependencyManagement>

<dependencies>
     <dependency>
         <groupId>com.alibaba.cloud</groupId>
         <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
     </dependency>
</dependencies>

application.yml 配置

yaml 复制代码

spring:
  config:
    import:
      - nacos:example-auth?refreshEnabled=true
  cloud:
    nacos:
      config:
        server-addr: 127.0.0.1:8848
        group: DEFAULT_GROUP
        refresh-enabled: true
        file-extension: yaml
      username: nacos
      password: nacos

注意：

example-auth 是 nacos 中的 Data ID，如下图所示：
file-extension 是 Data ID 的文件后缀，如下图所示：

注入配置

java 复制代码

import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RefreshScope  
public class TestController {

    @Value("${jwt.secret}")  // 用 @Value
    private String jwtSecret;

    @GetMapping("/test")
    public String test() {
        return jwtSecret;
    }
}