springboot jap注入配置文件信息的方法

@Component
public class FileUtils {

private static volatile MinioClient minioClient = null;  



public static String minioUrl;   
public static String minioUsername; 
public static String minioPassword; 
@Value("${system.minioUrl}")  
private String minioUrlTmp;

@Value("${system.minioUsername}")  
private String minioUsernameTmp;

@Value("${system.minioPassword}")  
private String minioPasswordTmp;
  
@PostConstruct  
public void init() {  
minioUrl = minioUrlTmp;  
minioUsername = minioUsernameTmp;
minioPassword = minioPasswordTmp;
}