/// <SUMMARY>
/// 上传多媒体文件,返回 MediaId
/// </SUMMARY>
/// <PARAM name="ACCESS_TOKEN"></PARAM>
/// <PARAM name="Type"></PARAM>
/// <RETURNS></RETURNS>
public string UploadMultimedia(string ACCESS_TOKEN, string Type, string filepath)
{
string result = "";
string wxurl = "http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token=" + ACCESS_TOKEN + "&type=" + Type;
//string filepath = System.Web.HttpContext.Current.Server.MapPath("image") + "\\hemeng80.jpg"; //(本地服务器的地址)
//string filepath = "D:\\site\\b2betown\\ETS2.WebApp\\UploadFile\\2014060012433370369.jpg";
//TxtHelper.CheckLog("上传路径:" + filepath, "D:\\logg.txt");
WebClient myWebClient = new WebClient();
myWebClient.Credentials = CredentialCache.DefaultCredentials;
try
{
byte[] responseArray = myWebClient.UploadFile(wxurl, "POST", filepath);
result = System.Text.Encoding.Default.GetString(responseArray, 0, responseArray.Length);
//TxtHelper.CheckLog("上传result:" + result, "D:\\wxuploadlog.txt");
UploadMM _mode = JsonConvert.DeserializeObject <UploadMM>(result);
result = _mode.media_id;
//TxtHelper.CheckLog("上传MediaId:" + result, "D:\\wxuploadlog.txt");
}
catch (Exception ex)
{
result = "";
//TxtHelper.CheckLog("上传MediaId失败:" + ex.Message, "D:\\wxuploadlog.txt");
}
return(result);
}
/// <summary>
/// 上传图文消息素材(微信群发)，返回media_id
/// </summary>
/// <param name="articles"></param>
/// <returns></returns>
public string Uploadnews(string ACCESS_TOKEN, List <Wxarticle> articles, out string created_at)
{
if (articles == null)
{
created_at = "";
return("");
}
if (articles.Count == 0)
{
created_at = "";
return("");
}
string requesturl = "https://api.weixin.qq.com/cgi-bin/media/uploadnews?access_token=" + ACCESS_TOKEN;
Wxarticles obj = new Wxarticles();
obj.articles = articles;
string json_param = JsonConvert.SerializeObject(obj);
#region
//System.Web.Script.Serialization.JavaScriptSerializer jss = new System.Web.Script.Serialization.JavaScriptSerializer();
//StringBuilder json_param = new StringBuilder();
//jss.Serialize(obj, json_param);
//string json_param = "{\"articles\": [";
//foreach (Wxarticle m in articles)
//{
// json_param += "{" +
// "\"thumb_media_id\":\"" + m.thumb_media_id + "\"," +
// "\"author\":\"" + m.author + "\"," +
// "\"title\":\"" + m.title + "\"," +
// "\"content_source_url\":\"" + m.content_source_url + "\"," +
// "\"content\":\"" + m.content + "\"," +
// "\"digest\":\"" + m.digest + "\"," +
// "\"show_cover_pic\":\"" + m.show_cover_pic + "\"" +
// "},";
//}
//json_param = json_param.Substring(0, json_param.Length - 1);
//json_param += "]}";
#endregion
try
{
string ret = new GetUrlData().HttpPost(requesturl, json_param.ToString());
JavaScriptSerializer ser = new JavaScriptSerializer();
UploadMM foo = ser.Deserialize <UploadMM>(ret);
created_at = foo.created_at;
return(foo.media_id);
}
catch
{
created_at = "";
return("");
}
}