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按照文档,我很难让这个工作。使用ZipFile
我想在内存中创建一个zip文件,然后能够更新它。在每次连续呼叫更新时,zip会报告它有0个条目。创建和更新zip文件
我在做什么错?
public void AddFile(MemoryStream zipStream, Stream file, string fileName)
{
//First call to this zipStream is just an empty stream
var zip = ZipFile.Create(zipStream);
zip.BeginUpdate();
zip.Add(new ZipDataSource(file), fileName);
zip.CommitUpdate();
zip.IsStreamOwner = false;
zip.Close();
zipStream.Position = 0;
}
public Stream GetFile(Stream zipStream, string pathAndName)
{
var zip = ZipFile.Create(zipStream);
zip.IsStreamOwner = false;
foreach (ZipEntry hi in zip) //count is 0
{
}
var entry = zip.GetEntry(pathAndName);
return entry == null ? null : zip.GetInputStream(entry);
}
自定义数据源
public class ZipDataSource : IStaticDataSource
{
private Stream _stream;
public ZipDataSource(Stream stream)
{
_stream = stream;
}
public Stream GetSource()
{
_stream.Position = 0;
return _stream;
}