Spring boot任务计划删除带有父文件夹的数百万个较旧的文件

spring.task.scheduling.enabled=true

import org.springframework.scheduling.annotation.Scheduled;
import java.io.File;
import java.time.LocalDateTime;

public class FileCleanupTask {

    @Scheduled(cron = "0 0 0 * * ?") // 每天凌晨执行
    public void deleteOldFiles() {
        String directoryPath = "/path/to/directory";
        File directory = new File(directoryPath);
        File[] files = directory.listFiles();
        
        LocalDateTime threshold = LocalDateTime.now().minusDays(30); // 删除30天前的文件
        
        for (File file : files) {
            if (file.lastModified() < threshold.toEpochSecond()) {
                file.delete();
            }
        }
    }
}

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;

@Configuration
@EnableScheduling
public class AppConfig {

    @Bean
    public FileCleanupTask fileCleanupTask() {
        return new FileCleanupTask();
    }
}