c#遍历文件重命名

参考
https://blog.csdn.net/qq_42607586/article/details/131080456
https://www.techiedelight.com/zh/delete-file-in-csharp/
https://it.cha138.com/python/show-2350967.html
https://www.zadmei.com/rhzczzmm.html

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
namespace WindowsApplication3
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            string oldPath = "F:\\www\\a\\img\\33\\";
            string[] le = System.IO.Directory.GetFiles(@"F:\\www\\a\\img\\33");
            int i = le.Length;
            //Console.WriteLine(System.IO.Directory.GetFiles(@"F:\\www\\a\\img\\166").Length);
            Console.WriteLine(le[0]);//获取文件名
            Console.WriteLine(le.Length);//获取文件名
            for (int c = 0; c < i; c++) {
                Console.WriteLine(le[c]);//获取文件名
                string oldFilename = Path.GetFileNameWithoutExtension(le[c]);//"4"
                Console.WriteLine(oldFilename+"旧");//获取文件名
                string newname=oldPath+c.ToString()+".jpg";
                Console.WriteLine(newname+"新");//获取文件名
                File.Copy(le[c], newname,true);
                File.Delete(le[c]);
                
            }
            
        }
    }
  
}