public static string GetMediaID(Stream fs, string type = "image")
{
if (string.IsNullOrEmpty(Token))
{
return("令牌获取失败");
}
fs.Seek(0, SeekOrigin.Begin);
string url = string.Format(MediaUploadAPI, Token, type);
WeChatHttpHelper one = new WeChatHttpHelper(url);
string filename = (type == "image") ? "0.png" : "0.mp3";
string boundary = "----" + DateTime.Now.Ticks.ToString("x");
string formdataTemplate = "--" + boundary + "\r\nContent-Disposition: form-data; name=\"media\"; filename=\"" + filename + "\"\r\nContent-Type: application/octet-stream\r\n\r\n";
byte[] head = Encoding.ASCII.GetBytes(formdataTemplate);
byte[] foot = Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
byte[] body = new byte[fs.Length];
fs.Read(body, 0, body.Length);
one.request.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);
one.request.ContentLength = head.Length + body.Length + foot.Length;
one.request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
one.request.KeepAlive = true;
one.request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36";
byte[] all = new byte[head.Length + body.Length + foot.Length];
head.CopyTo(all, 0);
body.CopyTo(all, head.Length);
foot.CopyTo(all, head.Length + body.Length);
one.HttpPost(all);
string html = one.ToString();
Regex regex = new Regex("\"media_id\":\"(?<id>[^\"]*)\"");
Match m = regex.Match(html);
return(m.Groups["id"].Value);
}
public static void GetToken()
{
string url = string.Format(TokenAPI, appid, appsecert);
WeChatHttpHelper one = new WeChatHttpHelper(url);
one.HttpGet();
Regex regex = new Regex("\"access_token\":\"(?<accesstoken>[^\"]*)\"");
Match m = regex.Match(one.ToString());
Token = m.Groups["accesstoken"].Value;
if (string.IsNullOrEmpty(Token))
{
throw new Exception();
}
}