基本信息
源码名称:asp.net 文件上传(bootstrap)
源码大小:5.18M
文件格式:.rar
开发语言:C#
更新时间:2015-10-15
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源码介绍
bootstrap 文件上传
long lStartPos = 0;
int startPosition = 0;
int endPosition = 0;
var contentRange = System.Web.HttpContext.Current.Request.Headers["Content-Range"];
//bytes
if (!string.IsNullOrEmpty(contentRange))
{
contentRange = contentRange.Replace("bytes", "").Trim();
contentRange = contentRange.Substring(0, contentRange.IndexOf("/"));
string[] ranges = contentRange.Split('-');
startPosition = int.Parse(ranges[0]);
endPosition = int.Parse(ranges[1]);
}
System.IO.FileStream fs;
if (System.IO.File.Exists(saveFilePath))
{
fs = System.IO.File.OpenWrite(saveFilePath);
lStartPos = fs.Length;
}
else
{
fs = new System.IO.FileStream(saveFilePath, System.IO.FileMode.Create);
lStartPos = 0;
}
if (lStartPos > endPosition)
{
fs.Close();
return false;
}
else if (lStartPos < startPosition)
{
lStartPos = startPosition;
}
else if (lStartPos > startPosition && lStartPos < endPosition)
{
lStartPos = startPosition;
}
fs.Seek(lStartPos, System.IO.SeekOrigin.Current);
byte[] nbytes = new byte[512];
int nReadSize = 0;
nReadSize = file.InputStream.Read(nbytes, 0, 512);
try
{
while (nReadSize > 0)
{
fs.Write(nbytes, 0, nReadSize);
nReadSize = file.InputStream.Read(nbytes, 0, 512);
}
fs.Close();
return true;
}
catch (Exception ex)
{
fs.Close();
return false;
}
bootstrap 文件上传
long lStartPos = 0;
int startPosition = 0;
int endPosition = 0;
var contentRange = System.Web.HttpContext.Current.Request.Headers["Content-Range"];
//bytes
if (!string.IsNullOrEmpty(contentRange))
{
contentRange = contentRange.Replace("bytes", "").Trim();
contentRange = contentRange.Substring(0, contentRange.IndexOf("/"));
string[] ranges = contentRange.Split('-');
startPosition = int.Parse(ranges[0]);
endPosition = int.Parse(ranges[1]);
}
System.IO.FileStream fs;
if (System.IO.File.Exists(saveFilePath))
{
fs = System.IO.File.OpenWrite(saveFilePath);
lStartPos = fs.Length;
}
else
{
fs = new System.IO.FileStream(saveFilePath, System.IO.FileMode.Create);
lStartPos = 0;
}
if (lStartPos > endPosition)
{
fs.Close();
return false;
}
else if (lStartPos < startPosition)
{
lStartPos = startPosition;
}
else if (lStartPos > startPosition && lStartPos < endPosition)
{
lStartPos = startPosition;
}
fs.Seek(lStartPos, System.IO.SeekOrigin.Current);
byte[] nbytes = new byte[512];
int nReadSize = 0;
nReadSize = file.InputStream.Read(nbytes, 0, 512);
try
{
while (nReadSize > 0)
{
fs.Write(nbytes, 0, nReadSize);
nReadSize = file.InputStream.Read(nbytes, 0, 512);
}
fs.Close();
return true;
}
catch (Exception ex)
{
fs.Close();
return false;
}