/// <summary>
///
/// </summary>
/// <param name="url">下载的文件http地址</param>
/// <param name="path">文件保存的绝对路径</param>
/// <param name="d">下载过程回调</param>
/// <returns></returns>
public static bool DownFileRequest(string url, string path, FileDownloadDelegate d=null)
{
logger.Debug("DownFileRequest - url=" + url + ", path=" + path);
if (!FileUtil.CreateDirectory(Path.GetDirectoryName(path)))
{
throw new DirectoryNotFoundException();
}
DateTime startTime = DateTime.Now;
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
long contentLength = response.ContentLength;
logger.Debug("DownFileRequest - Start - statusCode=" + response.StatusCode + ", contentLength=" + contentLength + ", date=" + DateUtil.GetNowDate());
if (!HttpStatusCode.OK.Equals(response.StatusCode))
{
return false;
}
Stream stream = response.GetResponseStream();
FileStream fileStream = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
long offset = 0;
int size = -1;
byte[] data = new byte[10240];
TimeSpan span = DateTime.Now - startTime;
double percent = 0;
double second = span.TotalSeconds;
double speed = 0;
double interval = 0;
String info = "";
while ((size = stream.Read(data, 0, data.Length)) > 0)
{
fileStream.Write(data, 0, size);
fileStream.Flush();
offset += size;
span = DateTime.Now - startTime;
second = span.TotalSeconds;
percent = (offset * 1.0 / contentLength);
speed = (offset / second);
info = second.ToString("F2") + "秒 " + NumberUtil.ConversionUnitMemory(speed) + "/秒 " + (percent * 100.0).ToString("F2") + "%";
if (d != null && second - interval > 0.5)
{
interval = second;
d.Invoke(percent, second, speed, info);
}
}
span = DateTime.Now - startTime;
second = span.TotalSeconds;
percent = 1;
speed = (contentLength / second);
info = second.ToString("F2") + "秒 " + NumberUtil.ConversionUnitMemory(speed) + "/秒 " + (percent * 100.0).ToString("F2") + "%";
if (d != null)
{
d.Invoke(percent, second, speed, info);
}
fileStream.Close();
stream.Close();
response.Close();
logger.Debug("DownFileRequest - Over - length=" + offset + ", date=" + DateUtil.GetNowDate());
return true;
}
public UpdateWindow()
{
InitializeComponent();
LogUtil.FileTitle = "update";
LogUtil.IS_FILE = true;
LogUtil.LEVEL = LogUtil.L_INFO;
logger.Info("----------------------start---------------------------");
this.downDelegate = new FileDownloadDelegate(this.downloadingHandler);
this.configService.InitUpdateSetting();
//ConfigHelp.FileDownPath = "d://a.rar";
//ConfigHelp.FileUpdatePath = "d://update/";
//this.extractFile();
}
/// <summary>
///
/// </summary>
/// <param name="url">下载的文件http地址</param>
/// <param name="path">文件保存的绝对路径</param>
/// <param name="d">下载过程回调</param>
/// <returns></returns>
public static bool DownFileRequest(string url, string path, FileDownloadDelegate d = null)
{
logger.Debug("DownFileRequest - url=" + url + ", path=" + path);
if (!FileUtil.CreateDirectory(Path.GetDirectoryName(path)))
{
throw new DirectoryNotFoundException();
}
DateTime startTime = DateTime.Now;
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
long contentLength = response.ContentLength;
logger.Debug("DownFileRequest - Start - statusCode=" + response.StatusCode + ", contentLength=" + contentLength + ", date=" + DateUtil.GetNowDate());
if (!HttpStatusCode.OK.Equals(response.StatusCode))
{
return(false);
}
Stream stream = response.GetResponseStream();
FileStream fileStream = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
long offset = 0;
int size = -1;
byte[] data = new byte[10240];
TimeSpan span = DateTime.Now - startTime;
double percent = 0;
double second = span.TotalSeconds;
double speed = 0;
double interval = 0;
String info = "";
while ((size = stream.Read(data, 0, data.Length)) > 0)
{
fileStream.Write(data, 0, size);
fileStream.Flush();
offset += size;
span = DateTime.Now - startTime;
second = span.TotalSeconds;
percent = (offset * 1.0 / contentLength);
speed = (offset / second);
info = second.ToString("F2") + "秒 " + NumberUtil.ConversionUnitMemory(speed) + "/秒 " + (percent * 100.0).ToString("F2") + "%";
if (d != null && second - interval > 0.5)
{
interval = second;
d.Invoke(percent, second, speed, info);
}
}
span = DateTime.Now - startTime;
second = span.TotalSeconds;
percent = 1;
speed = (contentLength / second);
info = second.ToString("F2") + "秒 " + NumberUtil.ConversionUnitMemory(speed) + "/秒 " + (percent * 100.0).ToString("F2") + "%";
if (d != null)
{
d.Invoke(percent, second, speed, info);
}
fileStream.Close();
stream.Close();
response.Close();
logger.Debug("DownFileRequest - Over - length=" + offset + ", date=" + DateUtil.GetNowDate());
return(true);
}
