/// <summary>
/// 獲得postdata的串
/// </summary>
/// <returns></returns>
private object GetPostDataData()
{
if (_contenttype.ToLower().IndexOf("/json") > 0)
{
return(_postdata.ToJSONString());
}
else if (_contenttype == "multipart/form-data")
{
/*
* multipart/form-data的请求内容格式如下
* Content-Type: multipart/form-data; boundary=AaB03x
*
* --boundary
* Content-Disposition: form-data; name="submit-name"
*
* Larry
* --boundary
* Content-Disposition: form-data; name="file"; filename="file1.dat"
* Content-Type: application/octet-stream
*
* ... contents of file1.dat ...
* --boundary--
* */
var boundary = String.Format("----------{0:N}", Guid.NewGuid());
_contenttype = _contenttype + ";boundary=" + boundary;
Stream formDataStream = new System.IO.MemoryStream();
foreach (var k in _postdata.Keys)
{
var item = _postdata.GetValue(k);
if (item is FrameDLRObject)
{
dynamic dobj = item;
if (ComFunc.nvl(dobj.contenttype) == "application/octet-stream")
{
var name = ComFunc.nvl(dobj.name);
var filename = ComFunc.nvl(dobj.filename);
var filecontenttype = ComFunc.nvl(dobj.filecontenttype);
var filecontent = (byte[])dobj.formitem;
// Add just the first part of this param, since we will write the file data directly to the Stream
string header = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"; filename=\"{2}\"\r\nContent-Type: {3}\r\n\r\n",
boundary,
name,
filename,
filecontenttype != "" ? filecontenttype : "application/octet-stream");
formDataStream.Write(_encoding.GetBytes(header), 0, _encoding.GetByteCount(header));
// Write the file data directly to the Stream, rather than serializing it to a string.
formDataStream.Write(filecontent, 0, filecontent.Length);
}
else
{
var name = ComFunc.nvl(dobj.name);
var formitem = ComFunc.nvl(dobj.formitem);
// Add just the first part of this param, since we will write the file data directly to the Stream
string header = string.Format("--{0}\r\nContent-Disposition: form-data; name={1}\r\n\r\n",
boundary,
name);
formDataStream.Write(_encoding.GetBytes(header), 0, _encoding.GetByteCount(header));
var bytes = Encoding.UTF8.GetBytes(formitem);
// Write the file data directly to the Stream, rather than serializing it to a string.
formDataStream.Write(bytes, 0, bytes.Length);
}
}
}
// Add the end of the request. Start with a newline
string footer = "\r\n--" + boundary + "--\r\n";
formDataStream.Write(_encoding.GetBytes(footer), 0, _encoding.GetByteCount(footer));
// Dump the Stream into a byte[]
formDataStream.Position = 0;
byte[] formData = new byte[formDataStream.Length];
formDataStream.Read(formData, 0, formData.Length);
formDataStream.Close();
return(formData);
}//以put的方式发送文件内容
else if (_contenttype.ToLower().StartsWith("put/"))
{
if (_postdata.Keys.Count > 0)
{
var item = _postdata.GetValue(_postdata.Keys[0]);
if (item is FrameDLRObject)
{
dynamic dobj = item;
//只处理第一笔资料
//var name = ComFunc.nvl(dobj.name);
//var filename = ComFunc.nvl(dobj.filename);
//var filecontenttype = ComFunc.nvl(dobj.filecontenttype);
var filecontent = (byte[])dobj.formitem;
return(filecontent);
}
else if (item is byte[])
{
return((byte[])item);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else if (_contenttype.ToLower().IndexOf("/xml") > 0)
{
return(_postdata.ToXml());
}
else
{
StringBuilder sb = new StringBuilder();
foreach (string s in _postdata.Keys)
{
sb.AppendFormat("&{0}={1}", s, _postdata.GetValue(s));
}
return(sb.Length > 0 ? sb.ToString().Substring(1) : "");
}
}