using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;//C#批量重命名文件代碼的實現//添加文件操作空間引用using System.IO;namespace WindowsApplication1{  public partial class Form1 : Form  {    public Form1()    {      InitializeComponent();    }    private void Form1_Load(object sender, EventArgs e)    {    }    private void button1_Click(object sender, EventArgs e)    {      FolderBrowserDialog f1 = new FolderBrowserDialog();       if (f1.ShowDialog() == DialogResult.OK)      {        textBox3.Text = f1.SelectedPath;       }    }    private void button2_Click(object sender, EventArgs e)    {     if (textBox3.Text!=""){      if(textBox1.Text!="")      {       string strOldFileName;       string strNewFileName;       string strOldPart = this.textBox1.Text.Trim();       string strNewPart = this.textBox2.Text.Trim();       string strNewFilePath;       string strFileFolder;       int TotalFiles = 0;       DateTime StartTime = DateTime.Now;//獲取開始時間       try{       DirectoryInfo di = new DirectoryInfo(textBox3.Text);       FileInfo[] filelist = di.GetFiles("*.*");       strFileFolder = textBox3.Text;       int i = 0;        foreach (FileInfo fi in filelist)        {          strOldFileName = fi.Name;          strNewFileName = fi.Name.Replace(strOldPart, strNewPart);          strNewFilePath = @strFileFolder + "http://" + strNewFileName;          filelist[i].MoveTo(@strNewFilePath);          TotalFiles += 1;          this.listBox1.Items.Add("文件名：" + strOldFileName + "  已重命名為 " + strNewFileName + "");          i += 1;      }      DateTime EndTime = DateTime.Now;//獲取結束時間      TimeSpan ts = EndTime - StartTime;      this.listBox1.Items.Add("總耗時：" + ts.Hours.ToString() + "時" + ts.Minutes.ToString() + "分" + ts.Seconds.ToString() + "秒"+ ts.Milliseconds.ToString()+"毫秒");      }      catch      {      MessageBox.Show("路徑無效!");      }      }        else        {        MessageBox.Show("沒有匹配字符");        }      }      else      {        MessageBox.Show("請先擇擇路徑!");      }    }  }}