昨天老大叫我整一个这样的程序，淦 快下班的时候扔给我， 害 ，没得办法 整一个呗
大概的意思就是读取文件夹中的txt文件中的字段 和视频文件夹中的视频文件名 进行比较 ，如果相同的话。就进行替换

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大概就是这么个意思

直接上代码

package com.example.modification;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

/**
 * @author 
 * @description:
 * @date :2021/1/28 18:08
 */
public class a {

//    去除文件路径中的不必要符号
    public static String replaceNotChinese(String str) {
        return str.replaceAll("[0-9a-zA-Z\\.\\-、，？]", "");
    }

    /**
     *
     * @param folder 文件路径
     * @param type 文件类型
     * @return
     */
    public static List<String> getAllFileInFold(String folder, String type) {
        List<String> files = new ArrayList<String>();
        LinkedList<String> folderList = new LinkedList<String>();
        folderList.add(folder);
        while (folderList.size() > 0) {
            File file = new File(folderList.peekLast());
            folderList.removeLast();
            File[] fs = file.listFiles();
            if (null != fs && fs.length > 0) {
                ArrayList<File> fileList = new ArrayList<File>();
                for (int i = 0; i < fs.length; i++) {
                    if (fs[i].isDirectory()) {
                        if (!fs[i].isHidden()) {
                            folderList.add(fs[i].getPath());
                        }
                    } else {
                        if (!fs[i].isHidden()) {
                            if (fs[i].getName().lastIndexOf(type) > 1) {
                                fileList.add(fs[i]);
                            }
                        }
                    }
                }
                //同一个目录下的文件，排在一起
                if (fileList.size() > 0) {
                    for (File f : fileList) {
                        files.add(f.getPath());
                    }
                }
            }
        }
        return files;
    }

    public static boolean renameFile(String oriFile, String nowFile) {
        File file = new File(oriFile);
        return file.renameTo(new File(nowFile));
    }

    /**
     *
     * @param tspath txt 文件路径
     *  @param mppath  MP4  视频路径
     *
     */
    public static void main(String[] args) {
        try {
            String tspath = "D:\\tt";
            String mppath = "E:\\34、护理";

            Map<String, String> tsmap = new HashMap<String, String>();
            List<String> mpfiles = getAllFileInFold(mppath, ".mp4");
            List<String> tsfiles = getAllFileInFold(tspath, ".txt");

            BufferedReader br = null;
            for (String file : tsfiles) {
                br = new BufferedReader(new FileReader(new File(file)));
                String line = null;
                while ((line = br.readLine()) != null) {
                    String[] tss = line.split("\\t");
                    String key = replaceNotChinese(tss[2].trim()) +
                            replaceNotChinese(tss[4].trim()) +
                            replaceNotChinese(tss[6].trim()) +
                            replaceNotChinese(tss[7].trim());
                    tsmap.put(key, tss[8].trim());
                }
                br.close();
            }
            System.out.println(tsmap.size());

            //mp4 files
            for (String file : mpfiles) {
                String[] mss = file.split("\\\\");
                String key = replaceNotChinese(mss[mss.length - 4].trim()) +
                        replaceNotChinese(mss[mss.length - 3].trim()) +
                        replaceNotChinese(mss[mss.length - 2].trim()) +
                        replaceNotChinese(mss[mss.length - 1].trim());

                System.out.println(file);
                key = key.trim();
                System.out.println("key:  " + key);
                if (tsmap.get(key) != null) {
                    //rename
                    String tofile = tsmap.get(key);
                    tofile = tofile.substring(0, tofile.length() - 3);
                    tofile = file.substring(0, file.lastIndexOf("\\") + 1) + tofile + ".mp4";
                    //rename
                    System.out.println("find: " + tofile);
                    renameFile(file, tofile);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

}