public static void unzipFile(string inputZip, string destinationDirectory)
{
int buffer = 2048;
List <string> zipFiles = new List <string>();
File sourceZipFile = new File(inputZip);
File unzipDirectory = new File(destinationDirectory);
createDir(unzipDirectory.AbsolutePath);
ZipFile zipFile;
zipFile = new ZipFile(sourceZipFile, ZipFile.OpenRead);
IEnumeration zipFileEntries = zipFile.Entries();
while (zipFileEntries.HasMoreElements)
{
ZipEntry entry = (ZipEntry)zipFileEntries.NextElement();
string currentEntry = entry.Name;
File destFile = new File(unzipDirectory, currentEntry);
if (currentEntry.EndsWith(Constant.SUFFIX_ZIP))
{
zipFiles.Add(destFile.AbsolutePath);
}
File destinationParent = destFile.ParentFile;
createDir(destinationParent.AbsolutePath);
if (!entry.IsDirectory)
{
if (destFile != null && destFile.Exists())
{
LogUtils.i(destFile + "已存在");
continue;
}
BufferedInputStream inputStream = new BufferedInputStream(zipFile.GetInputStream(entry));
int currentByte;
// buffer for writing file
byte[] data = new byte[buffer];
var fos = new System.IO.FileStream(destFile.AbsolutePath, System.IO.FileMode.OpenOrCreate);
BufferedOutputStream dest = new BufferedOutputStream(fos, buffer);
while ((currentByte = inputStream.Read(data, 0, buffer)) != -1)
{
dest.Write(data, 0, currentByte);
}
dest.Flush();
dest.Close();
inputStream.Close();
}
}
zipFile.Close();
foreach (var zipName in zipFiles)
{
unzipFile(zipName, destinationDirectory + File.SeparatorChar
+ zipName.Substring(0, zipName.LastIndexOf(Constant.SUFFIX_ZIP)));
}
}
