创建文件夹和删除问价夹的工具类

一、对于文件夹的创建和删除工具类

import cn.hutool.core.util.StrUtil;
import lombok.extern.slf4j.Slf4j;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

/**
 * @Description :
 * @Date : 2023/6/3
 * @Author :
 */
@Slf4j
public class FileUtil {
    /**
     * 创建文件夹
     */
    public static void createFold(String path) {
        File f = new File(path);
        f.setWritable(true, false);    //设置写权限，windows下不用此语句
        f.mkdirs();
    }

    /**
     * 获取obs的url的对应的objectKey
     *
     * @param url      例如https://slw-base-video-test.obs.cn-north-4.myhuaweicloud.com/ThirdAlarm/video/email/94446544-a372-4181-b03c-e719a6d5275a.tar
     * @param endPoint 例如obs.cn-north-4.myhuaweicloud.com
     * @return
     */
    public static String getFilePath(String url, String endPoint) {
        if (StrUtil.isBlank(url) || StrUtil.isBlank(endPoint)) {
            return url;
        }
        int i = url.indexOf(endPoint);
        int size = i + endPoint.length();
        String sub = StrUtil.sub(url, size, url.length());
        int i1 = sub.indexOf("/");
        String path = StrUtil.sub(sub, i1 + 1, sub.length());
        return path;
    }


    /**
     * @param url 获取obs返回的url的文件后缀
     *            https://slw-base-video-test.obs.cn-north-4.myhuaweicloud.com/ThirdAlarm/pic/photo/a1c9d9c2bac04e73a41c39b4a08d1a3d.xlsx
     * @return
     */
    public static String getSuffix(String url, String endPoint) {
        String filePath = getFilePath(url, endPoint);
        int i = filePath.lastIndexOf(".");
        String suffix = StrUtil.sub(filePath, i + 1, filePath.length());
        return suffix;
    }

    /**
     * @param url 获取obs返回的url的文件名
     * @return
     */
    public static String getFileName(String url, String endPoint) {
        String filePath = getFilePath(url, endPoint);
        int i = filePath.lastIndexOf("/");
        String fileName = StrUtil.sub(filePath, i + 1, filePath.length());
        return fileName;
    }


    /**
     * 删除单个文件
     *
     * @param fileName
     * @return
     */
    public static boolean deleteFile(String fileName) {
        File file = new File(fileName);
        // 如果文件路径只有单个文件
        if (file.exists() && file.isFile()) {
            if (file.delete()) {
                log.info("删除文件" + fileName + "成功！");
                return true;
            } else {
                log.info("删除文件" + fileName + "失败！");
                return false;
            }
        } else {
            log.info(fileName + "不存在！");
            return false;
        }
    }


    /**
     * 删除目录下所有文件，包括本文件夹
     *
     * @param directory
     * @return
     */
    public static boolean deleteFiles(File directory) {
        boolean flag = true;
        if ((!directory.exists()) || (!directory.isDirectory())) {
            log.info("删除文件夹失败不存在！");
            return false;
        }
        File[] files = directory.listFiles();
        if (files != null) {
            for (File file : files) {
                if (file.isDirectory()) {
                    deleteFiles(file); // 递归删除子目录中的文件
                } else {
                    try {
                        Path path = file.toPath();
                        Files.delete(path); // 删除文件
                        log.info("Deleted: " + file.getAbsolutePath());
                    } catch (IOException e) {
                        log.error("Error deleting file: " + file.getAbsolutePath() + " - " + e.getMessage());
                        flag = false;
                    }
                }
            }
        }
        try {
            Files.delete(directory.toPath()); // 删除目录
            log.info("Deleted directory: " + directory.getAbsolutePath());
        } catch (IOException e) {
            log.error("Error deleting directory: " + directory.getAbsolutePath() + " - " + e.getMessage());
            flag = false;
        }

        return flag;
    }

    /**
     * 删除目录下所有文件，不删除本文件夹
     *
     * @param filepath
     * @return
     */
    public static boolean deleteAllFile(String filepath) {
        boolean flag = false;
        File file = new File(filepath);
        if (!file.exists() || !file.isDirectory()) {
            return flag;
        }
        String[] tempList = file.list();
        File temp = null;
        for (int i = 0; i < tempList.length; i++) {
            if (filepath.endsWith(File.separator)) {
                temp = new File(filepath + tempList[i]);
            } else {
                temp = new File(filepath + File.separator + tempList[i]);
            }
            if (temp.isFile()) {
                temp.delete();
            }
            if (temp.isDirectory()) {
                deleteAllFile(temp.getPath());  // 先删除文件夹里面的文件
                temp.delete();  // 再删除空文件夹
                flag = true;
            }
        }
        return flag;
    }

}