当我使用SharpZipLib来解压zip文件,该文件在windows phone 7上有5000个文件。完成它需要5分多钟。 这里是代码:如何加快windows phone 7上的解压缩操作?
using (StreamReader httpwebStreamReader = new StreamReader(ea.Result))
{
//open isolated storage to save files
using (IsolatedStorageFile isoStore = IsolatedStorageFile.GetUserStoreForApplication())
{
using (ZipInputStream s = new ZipInputStream(httpwebStreamReader.BaseStream))
{
//s.Password = "123456";//if archive is encrypted
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
// create directory
if (directoryName.Length > 0)
{
isoStore.CreateDirectory(directoryName);
}
if (fileName != String.Empty)
{
//save file to isolated storage
using (BinaryWriter streamWriter =
new BinaryWriter(new IsolatedStorageFileStream(theEntry.Name,
FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write, isoStore)))
{
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
streamWriter.Write(data, 0, size);
}
else
{
break;
}
}
}
}
}
}
}
}
为什么这么慢? 如何加速解压缩操作? 有谁知道?
多线程是否可以在此工作? – wing 2012-07-27 09:20:35
这是在模拟器还是在设备上?这两者之间的时间如何? – 2012-07-27 13:03:18
我的诺基亚800上的时间超过5分钟,但在模拟器中只花了20秒! – wing 2012-07-30 03:45:45