package com.base.task;
import com.base.common.utils.UUIDUtils;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
/**
* @author zhangwei
* @date 2020/9/25 15:04
*/
public class FileOperate {
// 文件路径
final static String FILE_PATH = "C:\\Users\\zhangwei\\Desktop\\xmyeditor\\";
// 前缀
final static String FILE_NAME = "collect_";
public static void main(String[] args) {
try {
readfile(FILE_PATH);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void readfile(String filepath) throws FileNotFoundException, IOException {
try {
File file = new File(filepath);
if (!file.isDirectory()) {
System.out.println("文件");
System.out.println("path=" + file.getPath());
System.out.println("absolutepath=" + file.getAbsolutePath());
System.out.println("name=" + file.getName());
} else if (file.isDirectory()) {
String[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
File readfile = new File(filepath + "\\" + filelist[i]);
if (!readfile.isDirectory()) {
//修改文件名称
fileNenameTo(FILE_NAME+UUIDUtils.UUIDReplace(), readfile);
} else if (readfile.isDirectory()) {
readfile(filepath + "\\" + filelist[i]);
}
}
}
} catch (FileNotFoundException e) {
System.out.println("readfile() Exception:" + e.getMessage());
}
}
private static void fileNenameTo(String fileName, File readfile) {
String name = readfile.getName();
//获取文件名称或者自定义
//获取文件后缀,保留原有文件格式
String suffix = name.substring(name.lastIndexOf("."), name.length());
File saveFile = new File(FILE_PATH + fileName + ".jpg");
readfile.renameTo(saveFile);
}
}

JAVA批量修改文件名称
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