package com.core.test;

import java.io.File;

/**
 * Created by hgg on 2017/10/10.
 */
public class testFile {
    public static void main(String[] args) {
        updateFileName();
    }

    public static void updateFileName() {
        File file = new File("D:/tmp/head");
        File fs[] = file.listFiles();
        int seq = 1;
        for (int i=0;i<fs.length;i++){
            //新檔案放入head_new資料夾中（並從1開始編號）
            File newFile = new File("D:/tmp/head_new/pin_user_head_"+(seq++)+".jpg");
            fs[i].renameTo(newFile);
        }
    }
}