/// <summary>
/// 压缩文件夹
/// </summary>
/// <param name="_path">要压缩的文件夹</param>
/// <param name="_parentRelPath">要压缩的文件夹的父相对文件夹</param>
/// <param name="_zipOutputStream">压缩输出流</param>
/// <param name="_zipCallback">ZipCallback对象，负责回调</param>
/// <returns></returns>
private static bool ZipDirectory(string _path, string _parentRelPath, ZipOutputStream _zipOutputStream, C_ZipCallback _zipCallback = null)
{
ZipEntry entry = null;
try
{
string entryName = Path.Combine(_parentRelPath, Path.GetFileName(_path) + '/');
entry = new ZipEntry(entryName);
entry.DateTime = System.DateTime.Now;
entry.Size = 0;
if ((null != _zipCallback) && !_zipCallback.OnPreZip(entry))
{
return(true); // 过滤
}
_zipOutputStream.PutNextEntry(entry);
_zipOutputStream.Flush();
string[] files = Directory.GetFiles(_path);
for (int index = 0; index < files.Length; ++index)
{
ZipFile(files[index], Path.Combine(_parentRelPath, Path.GetFileName(_path)), _zipOutputStream, _zipCallback);
}
}
catch (System.Exception _e)
{
Debug.LogError("[ZipUtility.ZipDirectory]: " + _e.ToString());
return(false);
}
string[] directories = Directory.GetDirectories(_path);
for (int index = 0; index < directories.Length; ++index)
{
if (!ZipDirectory(directories[index], Path.Combine(_parentRelPath, Path.GetFileName(_path)), _zipOutputStream, _zipCallback))
{
return(false);
}
}
if (null != _zipCallback)
{
_zipCallback.OnPostZip(entry);
}
return(true);
}
/// <summary>
/// 压缩文件和文件夹
/// </summary>
/// <param name="_fileOrDirectoryArray">文件夹路径和文件名</param>
/// <param name="_outputPathName">压缩后的输出路径文件名</param>
/// <param name="_password">压缩密码</param>
/// <param name="_zipCallback">ZipCallback对象，负责回调</param>
/// <returns></returns>
public static bool Zip(string[] _fileOrDirectoryArray, string _outputPathName, string _password = null, C_ZipCallback _zipCallback = null)
{
if ((null == _fileOrDirectoryArray) || string.IsNullOrEmpty(_outputPathName))
{
if (null != _zipCallback)
{
_zipCallback.OnFinished(false);
}
return(false);
}
ZipOutputStream zipOutputStream = new ZipOutputStream(File.Create(_outputPathName));
zipOutputStream.SetLevel(6); // 压缩质量和压缩速度的平衡点
if (!string.IsNullOrEmpty(_password))
{
zipOutputStream.Password = _password;
}
for (int index = 0; index < _fileOrDirectoryArray.Length; ++index)
{
bool result = false;
string fileOrDirectory = _fileOrDirectoryArray[index];
if (Directory.Exists(fileOrDirectory))
{
result = ZipDirectory(fileOrDirectory, string.Empty, zipOutputStream, _zipCallback);
}
else if (File.Exists(fileOrDirectory))
{
result = ZipFile(fileOrDirectory, string.Empty, zipOutputStream, _zipCallback);
}
if (!result)
{
if (null != _zipCallback)
{
_zipCallback.OnFinished(false);
}
return(false);
}
}
zipOutputStream.Finish();
zipOutputStream.Close();
if (null != _zipCallback)
{
_zipCallback.OnFinished(true);
}
return(true);
}
/// <summary>
/// 压缩文件
/// </summary>
/// <param name="_filePathName">文件路径名</param>
/// <param name="_parentRelPath">要压缩的文件的父相对文件夹</param>
/// <param name="_zipOutputStream">压缩输出流</param>
/// <param name="_zipCallback">ZipCallback对象，负责回调</param>
/// <returns></returns>
private static bool ZipFile(string _filePathName, string _parentRelPath, ZipOutputStream _zipOutputStream, C_ZipCallback _zipCallback = null)
{
//Crc32 crc32 = new Crc32();
ZipEntry entry = null;
FileStream fileStream = null;
try
{
string entryName = _parentRelPath + '/' + Path.GetFileName(_filePathName);
entry = new ZipEntry(entryName);
entry.DateTime = System.DateTime.Now;
if ((null != _zipCallback) && !_zipCallback.OnPreZip(entry))
{
return(true);
}
fileStream = File.OpenRead(_filePathName);
byte[] buffer = new byte[fileStream.Length];
fileStream.Read(buffer, 0, buffer.Length);
fileStream.Close();
entry.Size = buffer.Length;
_zipOutputStream.PutNextEntry(entry);
_zipOutputStream.Write(buffer, 0, buffer.Length);
}
catch (System.Exception _e)
{
Debug.LogError("[ZipUtility.ZipFile]: " + _e.ToString());
return(false);
}
finally
{
if (null != fileStream)
{
fileStream.Close();
fileStream.Dispose();
}
}
if (null != _zipCallback)
{
_zipCallback.OnPostZip(entry);
}
return(true);
}
