private static DownloadedEventArgs Download(string fileUrl)
{
DownloadedEventArgs args = new DownloadedEventArgs();
try
{
HttpWebRequest reqUrl = (HttpWebRequest)WebRequest.Create(fileUrl);
using (HttpWebResponse respUrl = (HttpWebResponse)(WebResponse)reqUrl.GetResponse())
{
using (BinaryReader br = new BinaryReader(respUrl.GetResponseStream()))
{
long fileLenth = respUrl.ContentLength;
byte[] fileContent = br.ReadBytes((Int32)fileLenth);
string filePath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetName().CodeBase), Path.GetFileName(fileUrl));
BinaryWriter bw = new BinaryWriter(new FileStream(filePath, FileMode.Create));
bw.Write(fileContent, 0, (Int32)fileLenth);
bw.Close();
args.Code = "OK";
args.Desc = "下载成功";
args.FilePath = filePath;
}
}
}
catch (Exception ex)
{
args.Exception = ex;
}
return(args);
}
private static void DoWork()
{
CheckedEventArgs argsCheck = Check(Constants.CurVersion, Constants.UpdaterUrl);
if (argsCheck.Exception != null)
{
if (null != OnEnd)
{
OnEnd(argsCheck.Exception, false);
}
return;
}
if (argsCheck.Code == "Unavailable")
{
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Finished", Desc = argsCheck.Desc, Percent = 100
});
}
return;
}
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Progressing", Desc = argsCheck.Desc, Percent = 33
});
}
DownloadedEventArgs argsDownload = Download(argsCheck.FileUrl);
if (argsDownload.Exception != null)
{
if (null != OnEnd)
{
OnEnd(argsDownload.Exception, false);
}
return;
}
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Progressing", Desc = argsDownload.Desc, Percent = 66
});
}
ResultEventArgs argsResult = null;
if (argsDownload.FilePath.EndsWith(".zip"))
{
argsResult = UnZip(argsDownload.FilePath);
}
else if (argsDownload.FilePath.EndsWith(".cab"))
{
argsResult = ExecuteCab(argsDownload.FilePath);
}
if (null == argsResult)
{
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Finished", Desc = "升级成功", Percent = 100
});
}
return;
}
if (argsResult.Exception != null)
{
if (null != OnEnd)
{
OnEnd(argsResult.Exception, false);
}
return;
}
if (null != OnProgress)
{
OnProgress(new ProgressEventArgs {
Code = "Finished", Desc = argsResult.Desc, Percent = 100, NoRun = argsResult.NoRun
});
}
}