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class UnZipClass
{
/// <summary>
/// 解压缩一个 zip 文件。
/// </summary>
/// <param name="zipedFile">The ziped file.</param>
/// <param name="strDirectory">The STR directory.</param>
/// <param name="password">zip 文件的密码。</param>
/// <param name="overWrite">是否覆盖已存在的文件。</param>
public void UnZip(string zipedFile, string strDirectory, string password, bool overWrite)
{
if (strDirectory == "")
strDirectory = Directory.GetCurrentDirectory();
if (!strDirectory.EndsWith("\\"))
strDirectory = strDirectory + "\\";
using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipedFile)))
{
s.Password = password;
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = "";
string pathToZip = "";
pathToZip = theEntry.Name;
if (pathToZip != "")
directoryName = Path.GetDirectoryName(pathToZip) + "\\";
string fileName = Path.GetFileName(pathToZip);
//生成解压目录
Directory.CreateDirectory(strDirectory + directoryName);
if (fileName != "")
{
if ((File.Exists(strDirectory + directoryName + fileName) && overWrite) || (!File.Exists(strDirectory + directoryName + fileName)))
{
using (FileStream streamWriter = File.Create(strDirectory + directoryName + 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;
}
streamWriter.Close();
}
}
}
}
s.Close();
}
}
}