SpringBoot读取Nacos上配置文件的步骤详解

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

spring.cloud.nacos.config.server-addr=localhost:8848
spring.cloud.nacos.config.namespace=

user.name=John Doe
user.age=30

import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
 
@RestController
public class ConfigController {
 
    @Value("${user.name}")
    private String userName;
 
    @Value("${user.age}")
    private int userAge;
 
    @GetMapping("/userInfo")
    public String getUserInfo() {
        return "User Name: " + userName + ", Age: " + userAge;
    }
}

import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.stereotype.Component;
 
@Component
@RefreshScope
public class MyConfigBean {
 
    @Value("${my.config}")
    private String myConfig;
 
    // Getter and Setter
}

spring.cloud.nacos.config.shared-configs[0].data-id=user.properties
spring.cloud.nacos.config.shared-configs[1].data-id=database.properties

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
 
@Component
@ConfigurationProperties("user")
public class UserConfig {
 
    private String userName;
    private int age;
 
    // Getters and Setters
}
 
@Component
@ConfigurationProperties("database")
public class DatabaseConfig {
 
    private String url;
    private String username;
    
    // Getters and Setters
}