/// <summary>
/// 解压文件，重名则覆盖
/// </summary>
/// <param name="filePath">压缩文件路径</param>
/// <param name="targetPath">解压目标目录</param>
/// <returns></returns>
public static async Task UnCompress(string filePath, string targetPath)
{
CreateDirectories(targetPath);
using (ZipInputStream stream = new ZipInputStream(File.Open(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
{
ZipEntry entry;
while ((entry = stream.GetNextEntry()) != null)
{
if (entry.IsDirectory)
{
string directoryPath = Path.Combine(targetPath, Path.GetDirectoryName(entry.Name));
CreateDirectories(directoryPath);
}
else if (entry.IsFile)
{
var f = Path.Combine(targetPath, entry.Name);
CreateDirectories(Path.GetDirectoryName(f));
using (FileStream streamWriter = File.Create(f))
{
int size = 0;
byte[] data = new byte[1024];
while ((size = await stream.ReadAsync(data, 0, data.Length)) > 0)
{
await streamWriter.WriteAsync(data, 0, size);
}
}
}
}
}
}
async Task UnZip(Stream zipStream, string extractDirectory, string password = "")
{
using (ZipInputStream zipInputStream = new ZipInputStream(zipStream))
{
// Set a zip password if it's required
if (password.Length > 0)
{
zipInputStream.Password = password;
}
ZipEntry zipEntry = null;
while ((zipEntry = zipInputStream.GetNextEntry()) != null)
{
Debug.Log("Unzipping: " + zipStream.Position + "/" + zipStream.Length);
onUnzippingProgress.Invoke(zipStream.Position, zipStream.Length);
Debug.Log("Unzipping Entry: " + zipEntry.Name);
onUnzippingFileName.Invoke(zipEntry.Name);
if (!zipEntry.IsFile)
{
string directoryName = Path.Combine(extractDirectory, Path.GetDirectoryName(zipEntry.Name));
// Create directory
if (directoryName.Length > 0 && !Directory.Exists(directoryName))
{
Directory.CreateDirectory(directoryName);
}
}
else
{
string extractPath = Path.Combine(extractDirectory, zipEntry.Name);
int totalCount = 0;
int count;
int bufferSize = 1024 * 1000;
byte[] buff = new byte[bufferSize];
using (FileStream writeFileStream = File.Create(extractPath))
{
while ((count = await zipInputStream.ReadAsync(buff, 0, bufferSize)) > 0)
{
totalCount += count;
await writeFileStream.WriteAsync(buff, 0, count);
writeFileStream.Flush();
Debug.Log("Unzipping Entry: " + totalCount + "/" + zipInputStream.Length);
onUnzippingFileProgress.Invoke(totalCount, zipInputStream.Length);
if (destroyed)
{
break;
}
}
writeFileStream.Flush();
writeFileStream.Close();
}
}
if (destroyed)
{
break;
}
}
zipInputStream.Close();
}
}
private async Task <bool> UnzipFileAsync(string zipFilePath, string unzipFolderPath)
{
try
{
var entry = new ZipEntry(Path.GetFileNameWithoutExtension(zipFilePath));
var fileStreamIn = new FileStream(zipFilePath, FileMode.Open, FileAccess.Read);
var zipInStream = new ZipInputStream(fileStreamIn);
entry = zipInStream.GetNextEntry();
while (entry != null && entry.CanDecompress)
{
var outputFile = unzipFolderPath + @"/" + entry.Name;
var outputDirectory = Path.GetDirectoryName(outputFile);
if (!Directory.Exists(outputDirectory))
{
Directory.CreateDirectory(outputDirectory);
}
if (entry.IsFile)
{
var fileStreamOut = new FileStream(outputFile, FileMode.Create, FileAccess.Write);
int size;
byte[] buffer = new byte[4096];
do
{
size = await zipInStream.ReadAsync(buffer, 0, buffer.Length);
await fileStreamOut.WriteAsync(buffer, 0, size);
} while (size > 0);
fileStreamOut.Close();
}
entry = zipInStream.GetNextEntry();
}
zipInStream.Close();
fileStreamIn.Close();
}
catch
{
return(false);
}
return(true);
}
public static async Task <MemoryStream> ReadZipFileToMemoryAsync(ZipInputStream zip)
{
MemoryStream ms = new MemoryStream();
byte[] buffer = new byte[1048576];
while (true)
{
int i = await zip.ReadAsync(buffer, 0, 1048576);
if (i > 0)
{
ms.Write(buffer, 0, 1048576);
}
else
{
break;
}
}
return(ms);
}
/// <summary>
/// <inheritdoc cref="Decompress(string, string)"/>
/// </summary>
/// <param name="zipFile">zip文件路径</param>
/// <param name="unzipPath">要解压到的路径</param>
/// <param name="passCode">压缩文件密码</param>
public static async void Decompress(string zipFile, string unzipPath, string passCode)
{
Debug.Print(string.Format("开始解压压缩文件{0}", zipFile));
zipFile = VerifyFileName(zipFile);
if (!File.Exists(zipFile) || !VerifyArchive(zipFile))
{
return;
}
if (!Directory.Exists(unzipPath))
{
Directory.CreateDirectory(unzipPath);
}
using (ZipInputStream zipStream = new ZipInputStream(new FileStream(zipFile, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
{
zipStream.Password = passCode;
ZipEntry zipEntry = null;
try
{
while ((zipEntry = zipStream.GetNextEntry()) != null)
{
Debug.Print(string.Format("正在解压{0}", zipEntry.Name));
if (string.IsNullOrEmpty(zipEntry.Name))
{
continue;
}
string fullUnzipPath = Path.Combine(unzipPath, zipEntry.Name);
if (zipEntry.IsDirectory)
{
FileAttributes fileAttributes = FileAttributes.Normal;
Directory.CreateDirectory(fullUnzipPath);
if (zipEntry.Name.StartsWith('.'))
{
File.SetAttributes(fullUnzipPath, fileAttributes | FileAttributes.Hidden);
}
OnDecompress?.Invoke(zipEntry.Name, 1, 1, true);
}
else if (zipEntry.IsFile)
{
using (FileStream writeStream = new FileStream(fullUnzipPath, FileMode.Append, FileAccess.Write, FileShare.ReadWrite))
{
int readNum = 0;
uint writeNum = 0;
byte[] dataBytes = new byte[10240];
do
{
readNum = await zipStream.ReadAsync(dataBytes, 0, dataBytes.Length);
writeNum += (uint)readNum;
OnDecompress?.Invoke(zipEntry.Name, writeNum, zipEntry.Size, false);
await writeStream.WriteAsync(dataBytes, 0, readNum);
} while (readNum > 0);
}
}
}
}
catch (Exception ex)
{
if (File.Exists(unzipPath))
{
File.Delete(unzipPath);
}
else if (Directory.Exists(unzipPath))
{
Directory.Delete(unzipPath);
}
if (ex.Message.Equals("No password set."))
{
throw new ArgumentNullException("passCode", "请设置解压密码!");
}
throw ex;
}
finally
{
zipStream.Close();
zipStream.Dispose();
Debug.Print("已成功解压压缩文件");
}
}
}
internal static async void UnZipFileSync(string zipFilePath, string savePath, Action <bool, string> callback)
{
bool zipOk = false;
if (!File.Exists(zipFilePath))
{
Console.WriteLine("Cannot find file '{0}'", zipFilePath);
if (callback != null)
{
callback(false, zipFilePath);
}
return;
}
try
{
using (ZipInputStream zipStream = new ZipInputStream(File.OpenRead(zipFilePath)))
{
ZipEntry theEntry;
zipStream.Password = KeyWord;
while ((theEntry = zipStream.GetNextEntry()) != null)
{
CurrentUnCompressSize += theEntry.Size;
}
}
using (ZipInputStream zipStream = new ZipInputStream(File.OpenRead(zipFilePath)))
{
ZipEntry theEntry;
zipStream.Password = KeyWord;
CurrentUnCompress = 0;
while ((theEntry = zipStream.GetNextEntry()) != null)
{
CurrentUnCompressIndex = theEntry.ZipFileIndex;
//Console.WriteLine("解压开始：" + theEntry.Name);
ZipName = theEntry.Name;
IsOk = false;
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
// create directory
if (directoryName.Length > 0)
{
Directory.CreateDirectory(Path.Combine(savePath, directoryName));
}
if (fileName != String.Empty)
{
using (FileStream streamWriter = File.Create(Path.Combine(savePath, theEntry.Name)))
{
int size = 1048576;
byte[] data = new byte[1048576];
while (true)
{
size = await zipStream.ReadAsync(data, 0, 1048576);
if (size > 0)
{
CurrentUnCompress += size;
await streamWriter.WriteAsync(data, 0, size);
}
else
{
break;
}
}
}
}
//Console.WriteLine("------解压结束：" + theEntry.Name);
}
}
zipOk = true;
}
catch (Exception)
{
zipOk = false;
Utils.LogError("解压出错：" + zipFilePath);
}
if (callback != null)
{
callback(zipOk, zipFilePath);
}
}
