核心代码
public class ZipHelper
{
#region 基础参数
public delegate void UnZipProgressEventHandler(object sender, UnZipProgressEventArgs e);
public event UnZipProgressEventHandler unZipProgress;
public delegate void CompressProgressEventHandler(object sender, CompressProgressEventArgs e);
public event CompressProgressEventHandler compressProgress;
#endregion
#region 公有方法
///
/// 创建 zip 存档，该文档包含指定目录的文件和子目录(单个目录)。
///
/// 将要压缩存档的文件目录的路径，可以为相对路径或绝对路径。 相对路径是指相对于当前工作目录的路径。
/// 将要生成的压缩包的存档路径。
/// 指示压缩操作是强调速度还是强调压缩大小的枚举值
/// 压缩包中是否包含父目录
/// 返回结果(true：表示成功)
public bool CreatZip(string sourceDirectoryName, string destinationArchiveFileName, CompressionLevel compressionLevel = CompressionLevel.NoCompression, bool includeBaseDirectory = true)
{
int i = 1;
try
{
if (Directory.Exists(sourceDirectoryName))
if (!File.Exists(destinationArchiveFileName))
{
ZipFile.CreateFromDirectory(sourceDirectoryName, destinationArchiveFileName, compressionLevel, includeBaseDirectory);
}
else
{
var toZipFileDictionaryList = GetAllDirList(sourceDirectoryName, includeBaseDirectory);
using (var archive = ZipFile.Open(destinationArchiveFileName, ZipArchiveMode.Update))
{
var count = toZipFileDictionaryList.Keys.Count;
foreach (var toZipFileKey in toZipFileDictionaryList.Keys)
{
if (toZipFileKey != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(toZipFileKey);
var toDelArchives = new List();
foreach (var zipArchiveEntry in archive.Entries)
{
if (toZipedFileName != null && (zipArchiveEntry.FullName.StartsWith(toZipedFileName) || toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
{
i++;
compressProgress(this, new CompressProgressEventArgs { Size = zipArchiveEntry.Length, Count = count, Index = i, Path = zipArchiveEntry.FullName, Name = zipArchiveEntry.Name });
toDelArchives.Add(zipArchiveEntry);
}
}
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(toZipFileKey, toZipFileDictionaryList[toZipFileKey], compressionLevel);
}
}
}
}
else if (File.Exists(sourceDirectoryName))
if (!File.Exists(destinationArchiveFileName))
ZipFile.CreateFromDirectory(sourceDirectoryName, destinationArchiveFileName, compressionLevel, false);
else
{
using (var archive = ZipFile.Open(destinationArchiveFileName, ZipArchiveMode.Update))
{
if (sourceDirectoryName != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(sourceDirectoryName);
var toDelArchives = new List();
var count = archive.Entries.Count;
foreach (var zipArchiveEntry in archive.Entries)
{
if (toZipedFileName != null && (zipArchiveEntry.FullName.StartsWith(toZipedFileName) || toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
{
i++;
compressProgress(this, new CompressProgressEventArgs { Size = zipArchiveEntry.Length, Count = count, Index = i, Path = zipArchiveEntry.FullName, Name = zipArchiveEntry.Name });
toDelArchives.Add(zipArchiveEntry);
}
}
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(sourceDirectoryName, toZipedFileName, compressionLevel);
}
}
}
else
return false;
return true;
}
catch (Exception ex)
{
return false;
}
}
///
/// 创建 zip 存档，该存档包含指定目录的文件和目录(多个目录)
///
/// 将要压缩存档的文件目录的路径。
/// 将要生成的压缩包的存档路径。
/// 指示压缩操作是强调速度还是压缩大小的枚举值
/// 返回结果(true：表示成功)
public bool CreatZip(Dictionary sourceDirectoryName, string destinationArchiveFileName, CompressionLevel compressionLevel = CompressionLevel.NoCompression)
{
int i = 1;
try
{
using (FileStream zipToOpen = new FileStream(destinationArchiveFileName, FileMode.OpenOrCreate))
{
using (ZipArchive archive = new ZipArchive(zipToOpen, ZipArchiveMode.Update))
{
foreach (var toZipFileKey in sourceDirectoryName.Keys)
{
if (toZipFileKey != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(toZipFileKey);
var toDelArchives = new List();
var count = archive.Entries.Count;
foreach (var zipArchiveEntry in archive.Entries)
{
if (toZipedFileName != null && (zipArchiveEntry.FullName.StartsWith(toZipedFileName) || toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
{
i++;
compressProgress(this, new CompressProgressEventArgs { Size = zipArchiveEntry.Length, Count = count, Index = i, Path = toZipedFileName });
toDelArchives.Add(zipArchiveEntry);
}
}
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(toZipFileKey, sourceDirectoryName[toZipFileKey], compressionLevel);
}
}
}
}
return true;
}
catch (Exception)
{
return false;
}
}
///
/// 递归删除磁盘上的指定文件夹目录及文件
///
/// 需要删除的文件夹路径
/// 返回结果(true：表示成功)
public bool DeleteFolder(string baseDirectory)
{
var successed = true;
try
{
if (Directory.Exists(baseDirectory)) //如果存在这个文件夹删除之
{
foreach (var directory in Directory.GetFileSystemEntries(baseDirectory))
if (File.Exists(directory))
File.Delete(directory); //直接删除其中的文件
else
successed = DeleteFolder(directory); //递归删除子文件夹
Directory.Delete(baseDirectory); //删除已空文件夹
}
}
catch (Exception)
{
successed = false;
}
return successed;
}
///
/// 递归获取磁盘上的指定目录下所有文件的集合，返回类型是：字典[文件名，要压缩的相对文件名]
///
/// 需要递归的目录路径
/// 是否包含本目录(false：表示不包含)
/// 目录前缀
/// 返回当前递归目录下的所有文件集合
public Dictionary GetAllDirList(string strBaseDir, bool includeBaseDirectory = false, string namePrefix = "")
{
var resultDictionary = new Dictionary();
var directoryInfo = new DirectoryInfo(strBaseDir);
var directories = directoryInfo.GetDirectories();
var fileInfos = directoryInfo.GetFiles();
if (includeBaseDirectory)
namePrefix += directoryInfo.Name + "\\";
foreach (var directory in directories)
resultDictionary = resultDictionary.Concat(GetAllDirList(directory.FullName, true, namePrefix)).ToDictionary(k => k.Key, k => k.Value); //FullName是某个子目录的绝对地址
foreach (var fileInfo in fileInfos)
if (!resultDictionary.ContainsKey(fileInfo.FullName))
resultDictionary.Add(fileInfo.FullName, namePrefix + fileInfo.Name);
return resultDictionary;
}
///
/// 解压Zip文件，并覆盖保存到指定的目标路径文件夹下
///
/// 将要解压缩的zip文件的路径
/// 解压后将zip中的文件存储到磁盘的目标路径
/// 返回结果(true：表示成功)
public bool UnZip(string zipFilePath, string unZipDir)
{
bool resualt;
try
{
unZipDir = unZipDir.EndsWith(@"\") ? unZipDir : unZipDir + @"\";
var directoryInfo = new DirectoryInfo(unZipDir);
if (!directoryInfo.Exists)
directoryInfo.Create();
var fileInfo = new FileInfo(zipFilePath);
if (!fileInfo.Exists)
return false;
using (var zipToOpen = new FileStream(zipFilePath, FileMode.Open, FileAccess.ReadWrite, FileShare.Read))
{
using (var archive = new ZipArchive(zipToOpen, ZipArchiveMode.Read))
{
var count = archive.Entries.Count;
for (int i = 0; i < count; i++)
{
var entries = archive.Entries[i];
if (!entries.FullName.EndsWith("/"))
{
var entryFilePath = Regex.Replace(entries.FullName.Replace("/", @"\"), @"^\\*", "");
var filePath = directoryInfo + entryFilePath; //设置解压路径
unZipProgress(this, new UnZipProgressEventArgs { Size = entries.Length, Count = count, Index = i + 1, Path = entries.FullName, Name = entries.Name });
var content = new byte[entries.Length];
entries.Open().Read(content, 0, content.Length);
var greatFolder = Directory.GetParent(filePath);
if (!greatFolder.Exists)
greatFolder.Create();
File.WriteAllBytes(filePath, content);
}
}
}
}
resualt = true;
}
catch (Exception)
{
resualt = false;
}
return resualt;
}
///
/// 获取Zip压缩包中的文件列表
///
/// Zip压缩包文件的物理路径
/// 返回解压缩包的文件列表
public List GetZipFileList(string zipFilePath)
{
List fList = new List();
if (!File.Exists(zipFilePath))
return fList;
try
{
using (var zipToOpen = new FileStream(zipFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var archive = new ZipArchive(zipToOpen, ZipArchiveMode.Read))
{
foreach (var zipArchiveEntry in archive.Entries)
if (!zipArchiveEntry.FullName.EndsWith("/"))
fList.Add(Regex.Replace(zipArchiveEntry.FullName.Replace("/", @"\"), @"^\\*", ""));
}
}
}
catch (Exception)
{
}
return fList;
}
#endregion
#region 私有方法
#endregion
}//Class_end
public class UnZipProgressEventArgs
{
public long Size { get; set; }
public int Index { get; set; }
public int Count { get; set; }
public string Path { get; set; }
public string Name { get; set; }
}
public class CompressProgressEventArgs
{
public long Size { get; set; }
public int Index { get; set; }
public int Count { get; set; }
public string Path { get; set; }
public string Name { get; set; }
}
