@Value("${aes.key}")
private String key;
@Value("${aes.secret}")
private String secret;

aes:
  key: xxxx
  secret: xxxxxxx

# ${service-model} 讀取的是 pom.xml 文件中自定義的屬性，可以直接定義，例如：test
service-model: ${service-model}

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
@Slf4j
@Component
public class Demo {
    @Value("${service-model}")
    private String serviceModel;
    public void getValue() {
        System.out.println("serviceModel = " + serviceModel);
    }
}
// 輸出結(jié)果為 null，因?yàn)?@Value 注解失效

<dependency>
    <groupId>org.yaml</groupId>
    <artifactId>snakeyaml</artifactId>
    <version>1.31</version>
</dependency>

import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.Constructor;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
/**
 * 獲取 YAML 配置文件參數(shù)
 */
public class YamlUtil {
    public static Map<String, Object> getConfigInfo(String fileName) {
        Yaml yaml = new Yaml(new Constructor(Map.class));
        Map<String, Object> config = new HashMap<>();
        try (InputStream inputStream = YamlUtil.class.getClassLoader().getResourceAsStream(fileName)) {
            // 加載 YAML 文件
            config = yaml.load(inputStream);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return config;
    }
}

import lombok.extern.slf4j.Slf4j;
@Slf4j
public class Demo {
    public void getValue() {
        Map<String, Object> configInfo = YamlUtil.getConfigInfo("application.yml");
        String serviceModel = (String) configInfo.get("service-model");
        System.out.println("serviceModel = " + serviceModel);
    }
}
// 輸出結(jié)果為 "test"，因?yàn)橥ㄟ^ YamlUtil 成功讀取了配置文件