nacos配置中心

配置不成功的时候需要放开服务器的8848端口号不然报错

父工程

        <!--   springCloud -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>${spring-cloud.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            
            <!--nacos的管理依赖-->
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-alibaba-dependencies</artifactId>
                <version>2.2.6.RELEASE</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

子工程

<!--nacos配置管理依赖-->
<dependency>
    <groupId>com.alibaba.cloud</groupId>
    <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
</dependency>

bootstrap.yml

spring:
  application:
    name: userservice # 服务名称
  profiles:
    active: dev #开发环境，这里是dev
  cloud:
    nacos:
      server-addr: localhost:8848 # Nacos地址
      config:
        file-extension: yaml # 文件后缀名

@Component
@Data
@ConfigurationProperties(prefix = "pattern")
public class PatternProperties {
    private String dateformat;

}

   @Autowired
    private PatternProperties patternProperties;


    @GetMapping("now")
    public String now(){
        return LocalDateTime.now().format(DateTimeFormatter.ofPattern(patternProperties.getDateformat()));
    }