C#版的文件及文件夹的压缩解压
最近刚来新公司，投的是java不过好像进来是让做C＋＋，但由于机器在申请中所以又跑到.net组里的空机子上帮忙去了。今天刚坐了个C#文件及文件夹的压缩解压。想想以后可能还会用到所以就放上来了。
上次程序的解压路径有点问题，只支持对话框模式，不支持指定路径模式。这次修改了这个BUG
using System.Windows.Forms;
using System.IO;
using ICSharpCode.SharpZipLib;
using ICSharpCode.SharpZipLib.Checksums;
using ICSharpCode.SharpZipLib.Zip;
namespace ZipApplication
{
public partial class Form1 : Form
{
string fullName = "";
string destPath = "";
ZipClass zp = new ZipClass();
UnZipClass UZp = new UnZipClass();
public Form1()
{
InitializeComponent();
}
#region 文件浏览
/// <summary>
/// 压缩浏览
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnBroswer_Click(object sender, EventArgs e)
{
//待压缩文件
folderBrowserDialog1.ShowDialog();
fullName = folderBrowserDialog1.SelectedPath;
textBox1.Text = fullName;
//压缩到的路径
destPath = System.IO.Path.GetDirectoryName(fullName);
//压缩后的目标文件
destPath = destPath + "\\" + System.IO.Path.GetFileNameWithoutExtension(fullName) + ".zip";
}
/// <summary>
/// 解压浏览
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUzipBro_Click(object sender, EventArgs e)
{
openFileDialog1.ShowDialog();
fullName = openFileDialog1.FileName;
textBox2.Text = fullName;
//解压到的路径
destPath = System.IO.Path.GetDirectoryName(fullName);
}
#endregion
#region 压缩
/// <summary>
/// 压缩
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnZip_Click(object sender, EventArgs e)
{
zp.Zip(fullName, destPath);
MessageBox.Show("压缩成功！");
}
#endregion
#region 解压
/// <summary>
/// 解压
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnUnZip_Click(object sender, EventArgs e)
{
UZp.UnZip(fullName,destPath);
MessageBox.Show("解压成功！");
}
#endregion
}
#region ZipClass压缩类
/// <summary>
/// 压缩类
/// </summary>
public class ZipClass
{
#region ZipFileDictory
/// <summary>
/// 递归压缩文件夹方法
/// </summary>
/// <param name="FolderToZip"></param>
/// <param name="s"></param>
/// <param name="ParentFolderName"></param>
private bool ZipFileDictory(string FolderToZip, ZipOutputStream s, 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
s.PutNextEntry(entry);
s.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;
s.PutNextEntry(entry);
s.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, s, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip))))
return false;
}
return res;
}
#endregion
#region ZipFileDictory
/// <summary>
/// 压缩目录
/// </summary>
/// <param name="FolderToZip">待压缩的文件夹，全路径格式</param>
/// <param name="ZipedFile">压缩后的文件名，全路径格式</param>
/// <returns></returns>
private bool ZipFileDictory(string FolderToZip, string ZipedFile, string Password)
{
bool res;
if (!Directory.Exists(FolderToZip))
return false;
ZipOutputStream s = new ZipOutputStream(File.Create(ZipedFile));
s.SetLevel(6);
if (!string.IsNullOrEmpty(Password.Trim()))
s.Password = Password.Trim();
res = ZipFileDictory(FolderToZip, s, "");
s.Finish();
s.Close();
return res;
}
#endregion
#region ZipFile
/// <summary>
/// 压缩文件
/// </summary>
/// <param name="FileToZip">要进行压缩的文件名</param>
/// <param name="ZipedFile">压缩后生成的压缩文件名</param>
/// <returns></returns>
private bool ZipFile(string FileToZip, string ZipedFile, string Password)
{
//如果文件没有找到，则报错
if (!File.Exists(FileToZip))
throw new System.IO.FileNotFoundException("指定要压缩的文件: " + FileToZip + " 不存在!");
//FileStream fs = null;
FileStream ZipFile = null;
ZipOutputStream ZipStream = null;
ZipEntry ZipEntry = null;
bool res = true;
try
{
ZipFile = File.OpenRead(FileToZip);
byte[] buffer = new byte[ZipFile.Length];
ZipFile.Read(buffer, 0, buffer.Length);
ZipFile.Close();
ZipFile = File.Create(ZipedFile);
ZipStream = new ZipOutputStream(ZipFile);
if (!string.IsNullOrEmpty(Password.Trim()))
ZipStream.Password = Password.Trim();
ZipEntry = new ZipEntry(Path.GetFileName(FileToZip));
ZipStream.PutNextEntry(ZipEntry);
ZipStream.SetLevel(6);
ZipStream.Write(buffer, 0, buffer.Length);
}
catch
{
res = false;
}
finally
{
if (ZipEntry != null)
{
ZipEntry = null;
}
if (ZipStream != null)
{
ZipStream.Finish();
ZipStream.Close();
}
if (ZipFile != null)
{
ZipFile.Close();
ZipFile = null;
}
GC.Collect();
GC.Collect(1);
}
return res;
}
#endregion
#region Zip
/// <summary>
/// 压缩文件 和 文件夹
/// </summary>
/// <param name="FileToZip">待压缩的文件或文件夹，全路径格式</param>
/// <param name="ZipedFile">压缩后生成的压缩文件名，全路径格式</param>
/// <param name="Password">压缩密码</param>
/// <returns></returns>
public bool Zip(string FileToZip, string ZipedFile, string Password)
{
if (Directory.Exists(FileToZip))
{
return ZipFileDictory(FileToZip, ZipedFile, Password);
}
else if (File.Exists(FileToZip))
{
return ZipFile(FileToZip, ZipedFile, Password);
}
else
{
return false;
}
}
/// <summary>
/// 压缩文件 和 文件夹
/// </summary>
/// <param name="FileToZip">待压缩的文件或文件夹，全路径格式</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)
{
return Zip(FileToZip, ZipedFile, "");
}
#endregion
}
#endregion
#region ZipClass解压类
/// <summary>
/// 解压类
/// </summary>
public class UnZipClass
{
/// <summary>
/// 解压功能(解压压缩文件到指定目录)
/// </summary>
/// <param name="FileToUpZip">待解压的文件</param>
/// <param name="ZipedFolder">指定解压目标目录</param>
public static void UnZip(string FileToUpZip, string ZipedFolder, string Password)
{
if (!File.Exists(FileToUpZip))
{
return;
}
if (!Directory.Exists(ZipedFolder))
{
Directory.CreateDirectory(ZipedFolder);
}
ZipInputStream s = null;
ZipEntry theEntry = null;
string fileName;
FileStream streamWriter = null;
try
{
s = new ZipInputStream(File.OpenRead(FileToUpZip));
s.Password = Password;
while ((theEntry = s.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;
}
streamWriter = File.Create(fileName);
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
streamWriter.Write(data, 0, size);
}
else
{
break;
}
}
}
}
}
finally
{
if (streamWriter != null)
{
streamWriter.Close();
streamWriter = null;
}
if (theEntry != null)
{
theEntry = null;
}
if (s != null)
{
s.Close();
s = null;
}
GC.Collect();
GC.Collect(1);
}
}
}
#endregion
}
上次程序的解压路径有点问题，只支持对话框模式，不支持指定路径模式。这次修改了这个BUG