/// <summary> 压缩数据 </summary>
public static byte[] Compress(byte[] source)
{
#if false//SCORPIO_UWP && !UNITY_EDITOR
using (MemoryStream stream = new MemoryStream()) {
System.IO.Compression.ZipArchive zipStream = new System.IO.Compression.ZipArchive(stream, System.IO.Compression.ZipArchiveMode.Create);
System.IO.Compression.ZipArchiveEntry zipEntry = zipStream.CreateEntry("0.txt");
Stream entryStream = zipEntry.Open();
entryStream.Write(source, 0, source.Length);
entryStream.Flush();
entryStream.Dispose();
zipStream.Dispose();
byte[] ret = stream.ToArray();
stream.Dispose();
return(ret);
}
#else
using (MemoryStream stream = new MemoryStream()) {
ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipStream = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(stream);
zipStream.PutNextEntry(new ICSharpCode.SharpZipLib.Zip.ZipEntry("0.txt"));
zipStream.Write(source, 0, source.Length);
zipStream.Finish();
byte[] ret = stream.ToArray();
zipStream.Dispose();
stream.Dispose();
return(ret);
}
#endif
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (zipStream != null)
{
zipStream.Finish();
zipStream.Dispose();
}
}
}
/// <summary>
/// 压缩文件,只支持zip压缩
/// </summary>
/// <param name="fileAbsolutePathList">文件绝对路径的列表</param>
/// <param name="compressFileName">压缩后文件的名称</param>
/// <param name="isCoverOrNew">true为覆盖,false为新建</param>
/// <returns></returns>
public static string CompressFiles(List <string> fileAbsolutePathList, List <string> fileNameList, string compressFileName, bool isCoverOrNew)
{
if (fileAbsolutePathList == null || fileAbsolutePathList.Count < 1)
{
throw new Exception("至少传入一个文件或文件夹的绝对路径!");
}
string firstPath = fileAbsolutePathList[0].Replace('/', '\\');
string dirPath = firstPath.Substring(0, firstPath.LastIndexOf('\\') + 1);
if (string.IsNullOrEmpty(compressFileName))
{
compressFileName = firstPath.Substring(firstPath.LastIndexOf('\\'));//取出最后一个\后面的字符串 作为文件名
if (System.IO.File.Exists(firstPath))
{
compressFileName = compressFileName.Substring(0, compressFileName.LastIndexOf('.'));//去除文件名的扩展名
}
}
if (!Path.IsPathRooted(compressFileName))
{
compressFileName = GetNewFilePath(dirPath, compressFileName + ".zip", isCoverOrNew); //获取合法的文件名
}
ICSharpCode.SharpZipLib.Zip.ZipOutputStream zipOutput = new ICSharpCode.SharpZipLib.Zip.ZipOutputStream(new FileStream(compressFileName, FileMode.Create)); //新建压缩文件流 “ZipOutputStream”
try
{
zipOutput.SetLevel(9); //压缩等级
for (int i = 0; i < fileAbsolutePathList.Count; i++)
{
if (fileNameList == null || fileNameList.Count != fileAbsolutePathList.Count)
{
appendStream(zipOutput, fileAbsolutePathList[i], dirPath);
}
else
{
appendStream(zipOutput, fileAbsolutePathList[i], fileNameList[i], dirPath);
}
}
zipOutput.Finish();
}
catch (Exception ex)
{
throw ex;
}
finally
{
zipOutput.Close();
zipOutput.Dispose();
}
return(compressFileName);
}
