public static string HttpPostData(string url, MsMultiPartFormData form, string filePath, string fileKeyName = "file", int timeOut = 360000)
{
string result = "";
WebRequest request = WebRequest.Create(url);
request.Timeout = timeOut;
FileStream file = new FileStream(filePath, FileMode.Open);
byte[] bb = new byte[file.Length];
file.Read(bb, 0, (int)file.Length);
file.Close();
string fileName = Path.GetFileName(filePath);
form.AddStreamFile(fileKeyName, fileName, bb);
form.PrepareFormData();
request.ContentType = "multipart/form-data; boundary=" + form.Boundary;
request.Method = "POST";
Stream stream = request.GetRequestStream();
foreach (var b in form.GetFormData())
{
stream.WriteByte(b);
}
stream.Close();
WebResponse response = request.GetResponse();
using (var httpStreamReader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")))
{
result = httpStreamReader.ReadToEnd();
}
response.Close();
request.Abort();
return(result);
}
string UPLOADFILE_SERVICE_URL = "http://.....";//最终接收文件上传的服务接口
public void ProcessRequest(HttpContext context)
{
object result = null;
string temSavePath = context.Server.MapPath(@"~\") + RootFolder;
if (!Directory.Exists(temSavePath))
{
Directory.CreateDirectory(temSavePath);
}
if (context.Request.Files != null && context.Request.Files.Count > 0)
{
HttpPostedFile file = context.Request.Files[0];
string saveFileName = String.Format("{0}{1}", DateTime.Now.ToString("yyyyMMddhhmmssffff"), Path.GetExtension(file.FileName));//保存文件名称
string fileName = String.Format(@"{0}\{1}", temSavePath, saveFileName);
file.SaveAs(@"D:\backup\develop\vsSpace\BookIms\BookIms\images\" + fileName);
MsMultiPartFormData form = new MsMultiPartFormData();
string decodeName = HttpUtility.UrlDecode(Path.GetFileName(fileName)); //最终服务器会按原文件名保存文件，所以需要将文件名编码下，防止中文乱码
string rst = PostDataServer.HttpPostData(UPLOADFILE_SERVICE_URL, form, fileName, decodeName);
context.Response.Write(rst); //输出上传文件返回结果
context.Response.End();
}
}