1.c#批量压缩解压文件夹
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Collections;
using ICSharpCode.SharpZipLib;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Checksums;
using System.IO;
namespace BatchDecompression
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
#region 压缩文件及文件夹
/// <summary>
/// 递归压缩文件夹方法
/// </summary>
/// <param name="FolderToZip"></param>
/// <param name="ZOPStream">压缩文件输出流对象</param>
/// <param name="ParentFolderName"></param>
private bool ZipFileDictory(string FolderToZip, ZipOutputStream ZOPStream, string ParentFolderName)
{
bool res = true;
string[] folders, filenames;
ZipEntry entry = null;
FileStream fs = null;
Crc32 crc = new Crc32();
try
{
//创建当前文件夹
entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/")); //加上 “/” 才会当成是文件夹创建
ZOPStream.PutNextEntry(entry);
ZOPStream.Flush();
//先压缩文件，再递归压缩文件夹
filenames = Directory.GetFiles(FolderToZip);
foreach (string file in filenames)
{
//打开压缩文件
fs = File.OpenRead(file);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/" + Path.GetFileName(file)));
entry.DateTime = DateTime.Now;
entry.Size = fs.Length;
fs.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
ZOPStream.PutNextEntry(entry);
ZOPStream.Write(buffer, 0, buffer.Length);
}
}
catch
{
res = false;
}
finally
{
if (fs != null)
{
fs.Close();
fs = null;
}
if (entry != null)
{
entry = null;
}
GC.Collect();
GC.Collect(1);
}
folders = Directory.GetDirectories(FolderToZip);
foreach (string folder in folders)
{
if (!ZipFileDictory(folder, ZOPStream, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip))))
{
return false;
}
}
return res;
}
/// <summary>
/// 压缩目录
/// </summary>
/// <param name="FolderToZip">待压缩的文件夹</param>
/// <param name="ZipedFile">压缩后的文件名</param>
/// <returns></returns>
private bool ZipFileDictory(string FolderToZip, string ZipedFile)
{
bool res;
if (!Directory.Exists(FolderToZip))
{
return false;
}
ZipOutputStream ZOPStream = new ZipOutputStream(File.Create(ZipedFile));
ZOPStream.SetLevel(6);
res = ZipFileDictory(FolderToZip, ZOPStream, "");
ZOPStream.Finish();
ZOPStream.Close();
return res;
}
/// <summary>
/// 压缩文件和文件夹
/// </summary>
/// <param name="FileToZip">待压缩的文件或文件夹</param>
/// <param name="ZipedFile">压缩后生成的压缩文件名，全路径格式</param>
/// <returns></returns>
public bool Zip(String FileToZip, String ZipedFile)
{
if (Directory.Exists(FileToZip))
{
return ZipFileDictory(FileToZip, ZipedFile);
}
else
{
return false;
}
}
#endregion
#region 复制文件//
public void CopyFile(string[] list,string strNewPath,ToolStripProgressBar TSPBar)
{
try
{
TSPBar.Maximum = list.Length;
string strNewFile = "c:\\" + strNewPath;
if (!Directory.Exists(strNewFile))
Directory.CreateDirectory(strNewFile);
foreach (object objFile in list)
{
string strFile = objFile.ToString();
string Filename = strFile.Substring(strFile.LastIndexOf("\\") + 1, strFile.Length - strFile.LastIndexOf("\\") - 1);
File.Copy(strFile, strNewFile+"\\"+Filename, true);
TSPBar.Value += 1;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
#endregion
#region 解压文件
/// <summary>
/// 解压文件
/// </summary>
/// <param name="FileToUpZip">待解压的文件</param>
/// <param name="ZipedFolder">指定解压目标目录</param>
public void UnZip(string FileToUpZip, string ZipedFolder)
{
if (!File.Exists(FileToUpZip))
{
return;
}
if (!Directory.Exists(ZipedFolder))
{
Directory.CreateDirectory(ZipedFolder);
}
ZipInputStream ZIPStream = null;
ZipEntry theEntry = null;
string fileName;
FileStream streamWriter = null;
try
{
//生成一个GZipInputStream流，用来打开压缩文件
ZIPStream = new ZipInputStream(File.OpenRead(FileToUpZip));
while ((theEntry = ZIPStream.GetNextEntry()) != null)
{
if (theEntry.Name != String.Empty)
{
fileName = Path.Combine(ZipedFolder, theEntry.Name);
//判断文件路径是否是文件夹
if (fileName.EndsWith("/") || fileName.EndsWith("\\"))
{
Directory.CreateDirectory(fileName);
continue;
}
//生成一个文件流，它用来生成解压文件
streamWriter = File.Create(fileName);
int size = 2048;//指定压缩块的大小，一般为2048的倍数
byte[] data = new byte[2048];//指定缓冲区的大小
while (true)
{
size = ZIPStream.Read(data, 0, data.Length);//读入一个压缩块
if (size > 0)
{
streamWriter.Write(data, 0, size);//写入解压文件代表的文件流
}
else
{
break;//若读到压缩文件尾，则结束
}
}
}
}
}
finally
{
if (streamWriter != null)
{
streamWriter.Close();
streamWriter = null;
}
if (theEntry != null)
{
theEntry = null;
}
if (ZIPStream != null)
{
ZIPStream.Close();
ZIPStream = null;
}
GC.Collect();
GC.Collect(1);
}
}
#endregion
string[] files;//存储要进行压缩的文件数组
string[] files2;//存储要进行解压缩的文件数组
private void button1_Click(object sender, EventArgs e)//选择批量压缩的文件
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
files = openFileDialog1.FileNames;
string file = "";
for (int i = 0; i < files.Length; i++)
{
file += files[i].ToString() + ",";
}
file = file.Remove(file.LastIndexOf(","));
txtfiles.Text = file;
}
}
private void button3_Click(object sender, EventArgs e)//选择批量解压缩的文件
{
if (openFileDialog2.ShowDialog() == DialogResult.OK)
{
files2 = openFileDialog2.FileNames;
string file = "";
for (int i = 0; i < files2.Length; i++)
{
file += files2[i].ToString() + ",";
}
file = file.Remove(file.LastIndexOf(","));
txtfiles2.Text = file;
}
}
private void button2_Click(object sender, EventArgs e)//批量压缩
{
try
{
if (txtfiles.Text.Trim()!="")
{
toolStripProgressBar1.Maximum = files.Length;
if (files.Length > 1)
{
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
string strNewPath = DateTime.Now.ToString("yyyyMMddhhmmss");
CopyFile(files, strNewPath, toolStripProgressBar1);
Zip("c:\\"+strNewPath,saveFileDialog1.FileName);
Directory.Delete("c:\\" + strNewPath, true);
MessageBox.Show("压缩文件成功");
}
}
toolStripProgressBar1.Value = 0;
}
else
{
MessageBox.Show("警告：请选择要进行批量压缩的文件！","警告",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
}
catch { }
}
private void button4_Click(object sender, EventArgs e)
{
try
{
if (txtfiles2.Text.Trim() != "")
{
toolStripProgressBar1.Maximum = files2.Length;
for (int i = 0; i < files2.Length; i++)
{
toolStripProgressBar1.Value = i;
string path = files2[i].ToString();
string newpath = path.Remove(path.LastIndexOf("\\") + 1);
UnZip(path, newpath);
}
toolStripProgressBar1.Value = 0;
MessageBox.Show("解压缩成功！");
}
else
{
MessageBox.Show("警告：请选择要进行批量解压缩的文件！", "警告", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
catch { }
}
}
}
