关于SpringBoot2.7.6连接nacos遇到的一些问题

    <!-- 继承Spring boot工程 -->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.7.6</version>
    </parent>
 
    <!-- 此处选择的mysql版本为如下，依赖自己导入 -->
    <mysql.version>8.0.12</mysql.version>
 
    <!--SpringBoot2.4.x之后默认不加载bootstrap.yml文件，需要在pom里加上依赖-->
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-starter-bootstrap</artifactId>
    </dependency>
    <!--nacos注册和配置中心-->
    <dependency>
        <groupId>com.alibaba.cloud</groupId>
        <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        <version>2.2.3.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>com.alibaba.cloud</groupId>
        <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
        <version>2.2.6.RELEASE</version>
    </dependency>

spring:
  application:
    name: colleges-user
  cloud:
    nacos:
      discovery:
        server-addr: 192.168.22.135:8848
        enabled: true
      config:
        server-addr: 192.168.22.135:8848
        file-extension: yaml
        # 因为springboot 2.4版本以后默认关闭加载bootstrap.yml，所以只能通过此方式连接到nacos config
        import: nacos:${spring.application.name}.${spring.cloud.nacos.config.file-extension}
        enabled: true

docker pull nacos/nacos-server:2.0.3

docker run --name mynacos -e MODE=standalone -p 8848:8848 -d nacos/nacos-server:2.0.3

docker ps

docker exec -it 76c9be91653a /bin/bash#其中76c9be91653a 为nacos的containerID

systemctl stop firewalld

        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
            <version>2.2.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            <version>2.2.6.RELEASE</version>
        </dependency>

<spring-boot.version>2.3.12.RELEASE</spring-boot.version>

spring:
  cloud:
    nacos:
      username: nacos
      password: nacos
      discovery:
        namespace: 6024d9fd-2b64-4660-b89b-2932f505527d  #我们在nacos中创建的空间名称
        group: dev   #nacos配置文件所选择的group
        server-addr: （服务器ip）:8848  #nacos服务地址
      config:
        namespace: 6024d9fd-2b64-4660-b89b-2932f505527d   #我们在nacos中创建的空间名称
        timeout: 3000
        auto-refresh: true  #修改后自动加载
        group: dev   #nacos配置文件所选择的group
        file-extension: yaml  #读取nacos配置文件后缀
        enable-remote-sync-config: true
        refresh-enabled: true
        server-addr: （服务器ip）:8848  #nacos服务地址

@Value("${key}")
private Integer key;