private void InitHttp()
{
string filePath = strPath + "\\test1.png";
string fileName = strPath + "\\test1.png";
pro.Tiaoma = Regex.Replace(pro.Tiaoma, "\r\n", string.Empty);
Uri uri = new Uri("http://153.37.217.112:60003/stock/interface/saveInfo.do?code=" "");
HttpWebRequest req = HttpWebRequest.CreateHttp(uri);
req.Method = "POST";
if (isClick == true)
{
var boundary = "---------------" + DateTime.Now.Ticks.ToString("x");
var beginBoundary = Encoding.ASCII.GetBytes("--" + boundary + "\r\n");
var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
// 最后的结束符
var endBoundary = Encoding.ASCII.GetBytes("--" + boundary + "--\r\n");
// 文件参数头
const string filePartHeader =
"Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\n" +
"Content-Type: application/octet-stream\r\n\r\n";
var fileHeader = string.Format(filePartHeader, "files", fileName);
var fileHeaderBytes = Encoding.UTF8.GetBytes(fileHeader);
// 开始拼数据
var memStream = new MemoryStream();
memStream.Write(beginBoundary, 0, beginBoundary.Length);
// 文件数据
memStream.Write(fileHeaderBytes, 0, fileHeaderBytes.Length);
var buffer = new byte[1024];
int bytesRead; // =0
while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
{
memStream.Write(buffer, 0, bytesRead);
}
fileStream.Close();
// Key-Value数据
var stringKeyHeader = "\r\n--" + boundary +
"\r\nContent-Disposition: form-data; name=\"{0}\"" +
"\r\n\r\n{1}\r\n";
Dictionary<string, string> stringDict = new Dictionary<string, string>();
stringDict.Add("len", "500");
stringDict.Add("wid", "300");
foreach (byte[] formitembytes in from string key in stringDict.Keys
select string.Format(stringKeyHeader, key, stringDict[key])
into formitem
select Encoding.UTF8.GetBytes(formitem))
{
memStream.Write(formitembytes, 0, formitembytes.Length);
}
// 写入最后的结束边界符
memStream.Write(endBoundary, 0, endBoundary.Length);
//倒腾到tempBuffer?
memStream.Position = 0;
var tempBuffer = new byte[memStream.Length];
memStream.Read(tempBuffer, 0, tempBuffer.Length);
memStream.Close();
req.Timeout = 100000;
req.ContentType = "multipart/form-data;boundary=" + boundary;
req.ContentLength = tempBuffer.Length;
var requestStream = req.GetRequestStream();
requestStream.Write(tempBuffer, 0, tempBuffer.Length);
requestStream.Close();
}
WebResponse resp = req.GetResponse();
StreamReader sr = new StreamReader(resp.GetResponseStream(), Encoding.Default);
string sReturn = sr.ReadToEnd().Trim()；
}