1.DotNetLib
/// <summary>
/// 解压功能(解压压缩文件到指定目录) 压缩文件中可包含任意格式文件
/// </summary>
/// <param name="fileToUnZip">待解压的文件</param>
/// <param name="zipedFolder">指定解压目标目录</param>
/// <param name="password">密码(暂无)</param>
/// <returns>解压结果</returns>
private HttpResponseMessage UnZip(string fileToUnZip, string zipedFolder)
{
try
{
using (ZipFile zip = new ZipFile(fileToUnZip, Encoding.Default))
{
zip.ExtractAll(zipedFolder, ExtractExistingFileAction.OverwriteSilently);
}
}
catch (Exception ex)
{
return AssistFun.toJson(new { status = 201, tip = "异常:"+ex.Message });
}
return AssistFun.toJson(new { status = 200, tip = "成功" });
}
2.SharpZipLib
/// <summary>
/// 解压功能(解压压缩文件到指定目录)
/// </summary>
/// <param name="fileToUnZip">待解压的文件</param>
/// <param name="zipedFolder">指定解压目标目录</param>
/// <returns>解压结果</returns>
public static bool UnZip(string fileToUnZip, string zipedFolder)
{
bool result = true;
FileStream fs = null;
ZipInputStream zipStream = null;
ZipEntry ent = null;
string fileName;
if (!File.Exists(fileToUnZip))
return false;
if (!Directory.Exists(zipedFolder))
Directory.CreateDirectory(zipedFolder);
try
{
zipStream = new ZipInputStream(File.OpenRead(fileToUnZip));
while ((ent = zipStream.GetNextEntry()) != null)
{
if (!string.IsNullOrEmpty(ent.Name))
{
fileName = Path.Combine(zipedFolder, ent.Name);
fileName = fileName.Replace('/', '\\');//change by Mr.HopeGi
if (fileName.EndsWith("\\"))
{
Directory.CreateDirectory(fileName);
continue;
}
fs = File.Create(fileName);
int size = 2048;
byte[] data = new byte[size];
while (true)
{
size = fs.Read(data, 0, data.Length);
if (size > 0)
fs.Write(data, 0, data.Length);
else
break;
}
}
}
}
catch (Exception ex)
{
result = false;
}
finally
{
if (fs != null)
{
fs.Close();
fs.Dispose();
}
if (zipStream != null)
{
zipStream.Close();
zipStream.Dispose();
}
if (ent != null)
{
ent = null;
}
GC.Collect();
GC.Collect(1);
}
return result;
}
注：第二种不支持zip中文件含有.emf格式文件，还有就是如果压缩的文件只有一级目录 解压后的文件夹是空