//获取素材列表
var jsonitem = new
{
type = "image",
offset = 0,
count = 999
};
JavaScriptSerializer js = new JavaScriptSerializer();
string poststr = js.Serialize(jsonitem);

using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using System.Web;namespace DomainModel.Model
{public class WeChatSMS{//该类有用到数据库表WeChatAccessTokens保存和Log日志，这两个表可以根据自己喜好自行创建/// <summary>/// AppID(应用ID)/// </summary>public static string APPID = "APPID";/// <summary>/// AppSecret(应用密钥)/// </summary>private static string SECRET = "SECRET";#region 微信模板ID/// <summary>/// 兑换码领取成功通知/// </summary>public static string Template = "zjXZufqN-9RguRy5T9QQ9N1ueSEkkcbPiRlzWe0XUmI";/// <summary>/// 校验码通知/// </summary>public static string ConcertTemplate = "tIuE4GJIKO3wAoyt-GawmTi03tdOqlg9CHw0IwcZVsk";/// <summary>/// 领取成功通知/// </summary>public static string GetTemplate = "mpADikrfOojgF7S-_zhTxgqB7F4hy_6qwAYd8f-g_sU";#endregion/// <summary>  /// 获取时间戳  /// </summary>  /// <returns></returns>  public static string GetTimeStamp(){TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);return Convert.ToInt64(ts.TotalSeconds).ToString();}#region access_token/// <summary>/// 获取access_token/// </summary>/// <returns></returns>public static string GetAccess_Token(){using (DB db = DBFactory.CreateDB()){var list = db.WeChatAccessTokens.Where(s => s.APPID == WeChatSMS.APPID && s.ParamName == "access_token").ToList();if (list.Count == 1){if (list[0].UpdateDate.AddHours(2) > DateTime.Now){return list[0].AccessToken;}}}return SetAccess_Token();}/// <summary>/// 获取access_token/// </summary>private static string TOKENURL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}";/// <summary>/// 更新access_token/// </summary>/// <returns></returns>public static string SetAccess_Token(){string url = string.Format(WeChatSMS.TOKENURL,WeChatSMS.APPID, WeChatSMS.SECRET);string json = HttpPost(url, "GET", "");string pattern = "^{\"access_token\":\"(?<access_token>.+?)\"";Regex regex = new Regex(pattern);var match = regex.Match(json);string AccessToken = "";if (match.Success){AccessToken = match.Result("${access_token}");using (DB db = DBFactory.CreateDB()){var list = db.WeChatAccessTokens.Where(s => s.APPID == WeChatSMS.APPID && s.ParamName == "access_token").ToList();if (list.Count == 1){list[0].AccessToken = AccessToken;list[0].UpdateDate = DateTime.Now;}else{WeChatAccessToken item = new WeChatAccessToken();item.APPID = WeChatSMS.APPID;item.ParamName = "access_token";item.AccessToken = AccessToken;item.UpdateDate = DateTime.Now;db.WeChatAccessTokens.InsertOnSubmit(item);}db.SubmitChanges();}}return AccessToken;}#endregion#region jsapi_ticket/// <summary>/// 获取jsapi_ticket/// </summary>private static string JSAPI_TICKET = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={0}&type=jsapi";/// <summary>/// 获取jsapi_ticket/// </summary>/// <returns></returns>public static string GetJsapi_Ticket(){using (DB db = DBFactory.CreateDB()){var list = db.WeChatAccessTokens.Where(s => s.APPID == WeChatSMS.APPID && s.ParamName == "jsapi_ticket").ToList();if (list.Count == 1){if (list[0].UpdateDate.AddHours(2) > DateTime.Now){return list[0].AccessToken;}}}return SetJsapi_Ticket();}/// <summary>/// 更新jsapi_ticket/// </summary>/// <returns></returns>public static string SetJsapi_Ticket(){string JsapiTicket = "";string json = GetJson(JSAPI_TICKET, "GET", "", "分享微信信息异常记录");string pattern = "\"ticket\":\"(?<ticket>.+?)\",";Regex regex = new Regex(pattern);var match = regex.Match(json);if (match.Success){JsapiTicket = match.Result("${ticket}");using (DB db = DBFactory.CreateDB()){var list = db.WeChatAccessTokens.Where(s => s.APPID == WeChatSMS.APPID && s.ParamName == "jsapi_ticket").ToList();if (list.Count == 1){list[0].AccessToken = JsapiTicket;list[0].UpdateDate = DateTime.Now;}else{WeChatAccessToken item = new WeChatAccessToken();item.APPID = WeChatSMS.APPID;item.ParamName = "jsapi_ticket";item.AccessToken = JsapiTicket;item.UpdateDate = DateTime.Now;db.WeChatAccessTokens.InsertOnSubmit(item);}db.SubmitChanges();}}return JsapiTicket;}#endregion#region 素材管理public static string uploadTemporaryUrl = "https://api.weixin.qq.com/cgi-bin/media/upload?access_token={0}&type={1}";/// <summary>/// 新增临时素材/// </summary>/// <param name="type">上传文件类型</param>/// <param name="filePath">文件的绝对路径</param>/// <returns></returns>public static string UploadTemporaryFile(string type, string filePath){return UploadData(uploadTemporaryUrl, "POST", type, filePath, "新增临时素材");                    }public static string uploadPerpetualUrl = "https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={0}&type={1}";/// <summary>/// 新增永久素材/// </summary>/// <param name="type">上传文件类型</param>/// <param name="filePath">文件的绝对路径</param>/// <returns></returns>public static string UploadPerpetualFile(string type, string filePath){return UploadData(uploadPerpetualUrl, "POST", type, filePath, "新增永久素材");            }/// <summary>/// 上传永久通用 /// </summary>/// <param name="url"></param>/// <param name="method"></param>/// <param name="type"></param>/// <param name="filePath"></param>/// <param name="category"></param>/// <returns></returns>public static string UploadData(string url, string method, string type, string localPath, string category){string resultJson = "";while (true){string json = UploadVideo.GetUploadVideoResult(url, GetAccess_Token(), type, localPath, "", "");string pattern = "^{\"errcode\":(?<errcode>.+?),";Regex regex = new Regex(pattern);var match = regex.Match(json);if (match.Success){string errcode = match.Result("${errcode}");if (errcode == "-1"){//-1系统繁忙，此时请开发者稍候再试\break;}else if (errcode == "42001"){//42001access_token超时，请检查access_token的有效期，请参考基础支持-获取access_token中，对access_token的详细机制说明
                        SetAccess_Token();}else if (errcode == "40001"){//40001获取access_token时AppSecret错误，或者access_token无效。请开发者认真比对AppSecret的正确性，或查看是否正在为恰当的公众号调用接口
                        SetAccess_Token();}else{LogControls.InsertLogs(json, category);break;}}else{pattern = "\"media_id\":\"(?<media_id>.+?)\",";regex = new Regex(pattern);match = regex.Match(json);if (match.Success){resultJson = json;break;}}}return resultJson;}public static string uploadImageUrl = "https://api.weixin.qq.com/cgi-bin/media/uploadimg?access_token={0}";/// <summary>/// 新增图文中的图片素材/// </summary>/// <param name="url"></param>/// <param name="filePath"></param>/// <param name="category"></param>/// <returns></returns>public static string UploadImage(string filePath){string resultJson = "";using (WebClient client = new WebClient()){while (true){byte[] b = client.UploadFile(string.Format(uploadImageUrl, GetAccess_Token()), filePath);//调用接口上传文件string json = Encoding.Default.GetString(b);//获取返回值string pattern = "^{\"errcode\":(?<errcode>.+?),";Regex regex = new Regex(pattern);var match = regex.Match(json);if (match.Success){string errcode = match.Result("${errcode}");if (errcode == "-1"){//-1系统繁忙，此时请开发者稍候再试\break;}else if (errcode == "42001"){//42001access_token超时，请检查access_token的有效期，请参考基础支持-获取access_token中，对access_token的详细机制说明
                            SetAccess_Token();}else if (errcode == "40001"){//40001获取access_token时AppSecret错误，或者access_token无效。请开发者认真比对AppSecret的正确性，或查看是否正在为恰当的公众号调用接口
                            SetAccess_Token();}else{LogControls.InsertLogs(json, "新增图文中的图片素材");break;}}else{if (json.Contains("url")){resultJson = json.Replace("\\","");break;}}}}return resultJson;  }/// <summary>/// 获取素材列表/// </summary>public static string BatchgetMaterialUrl = "https://api.weixin.qq.com/cgi-bin/material/batchget_material?access_token={0}";/// <summary>/// 获取素材列表/// </summary>/// <returns></returns>public static string GetBatchget_Material(string postDataStr){return GetJson(BatchgetMaterialUrl, "POST", postDataStr, "获取素材列表信息异常");            }#endregion#region 带参数二维码public const string CreateTicketUrl = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token={0}";/// <summary>/// 创建二维码ticket/// </summary>public static string GetCreateTicket(string postDataStr){return GetJson(CreateTicketUrl, "POST", postDataStr, "创建二维码ticket异常");}public const string GetTicketUrl = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket={0}";/// <summary>/// 通过ticket换取二维码图片路径/// </summary>/// <param name="ticket"></param>/// <returns></returns>public static string GetTicketImage(string ticket,string path,string filename){try{string uriStr = string.Format(GetTicketUrl, ticket.Replace("\\", ""));HttpWebRequest requestScore = (HttpWebRequest)WebRequest.Create(uriStr);requestScore.Method = "GET";requestScore.ContentType = "image/jpg;charset=UTF-8";HttpWebResponse response = (HttpWebResponse)requestScore.GetResponse();Stream myResponseStream = response.GetResponseStream();Image img = Image.FromStream(myResponseStream);string imagePath = HttpContext.Current.Server.MapPath(path + filename);string dpath = HttpContext.Current.Server.MapPath(path);if (!Directory.Exists(dpath)){Directory.CreateDirectory(dpath);}img.Save(imagePath);myResponseStream.Close();return path + filename;}catch (Exception ex){LogControls.InsertLogs(ex.ToString() + "\r\n" + ticket, "微信二维码图片异常");return "";}}#endregion#region 发送模板通用/// <summary>/// 接口调用请求说明/// </summary>private static string TEMPLATESEND = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=";/// <summary>/// 微信发送模板信息/// </summary>/// <param name="postDataStr"></param>/// <returns></returns>public static void SendTemplate(string postDataStr){string Url = TEMPLATESEND + GetAccess_Token();SendIteration(Url, "POST", postDataStr);          }/// <summary>/// 迭代发送/// 42001：access_token超时，请检查access_token的有效期，请参考基础支持-获取access_token中，对access_token的详细机制说明/// </summary>/// <param name="Url"></param>/// <param name="Method"></param>/// <param name="postDataStr"></param>/// <returns></returns>private static void SendIteration(string Url, string Method, string postDataStr){var json = HttpPost(Url, Method, postDataStr);string pattern = "^{\"errcode\":(?<errcode>.+?),\"";Regex regex = new Regex(pattern);var match = regex.Match(json);string errcode = "";if (match.Success){errcode = match.Result("${errcode}");if (errcode == "42001"){//42001access_token超时，请检查access_token的有效期，请参考基础支持-获取access_token中，对access_token的详细机制说明Url = TEMPLATESEND + SetAccess_Token();SendIteration(Url, Method, postDataStr);}                else if (errcode == "40001"){//40001获取access_token时AppSecret错误，或者access_token无效。请开发者认真比对AppSecret的正确性，或查看是否正在为恰当的公众号调用接口Url = TEMPLATESEND + SetAccess_Token();SendIteration(Url, Method, postDataStr);}else if (errcode == "43004"){//43004需要接收者关注
                }else if (errcode != "0"){LogControls.InsertLogs(json, "体彩微信信息异常记录");}}}#endregion#region 获取用户基本信息/// <summary>/// 获取用户基本资料/// </summary>public static string UserinfoUrl = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=";/// <summary>/// 获取用户基本信息/// </summary>/// <param name="postDataStr"></param>public static string GetUserInfo(string OPENID){string Url = UserinfoUrl + GetAccess_Token() + "&openid=" + OPENID + "&lang=zh_CN";string json = HttpPost(Url, "GET", "");Regex rg = new Regex( "^{\"errcode\":(?<errcode>.+?),\"");Match match = rg.Match(json);if (match.Success){while (true){string errcode = match.Result("${errcode}");if (errcode == "42001"){//42001access_token超时，请检查access_token的有效期，请参考基础支持-获取access_token中，对access_token的详细机制说明
                        WeChatSMS.SetAccess_Token();GetUserInfo(OPENID);}else if (errcode == "40001"){//40001获取access_token时AppSecret错误，或者access_token无效。请开发者认真比对AppSecret的正确性，或查看是否正在为恰当的公众号调用接口
                        WeChatSMS.SetAccess_Token();GetUserInfo(OPENID);}else{LogControls.InsertLogs(json, "分享获取用户信息异常");json = "";break;}LogControls.InsertLogs(json, "分享获取用户信息异常--循环");}}return json;}#endregion#region 网页授权获取用户基本信息public static string WebAccreditUrl = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={0}&redirect_uri={1}&response_type=code&scope={2}&state={3}#wechat_redirect";/// <summary>/// 网页授权获取用户基本信息链接（redirect_uri/?code=CODE&state=STATE）/// </summary>/// <param name="url">授权后重定向的回调链接地址，请使用urlencode对链接进行处理</param>/// <param name="scope">应用授权作用域，snsapi_base （不弹出授权页面，直接跳转，只能获取用户openid）,snsapi_userinfo （弹出授权页面，可通过openid拿到昵称、性别、所在地。并且，即使在未关注的情况下，只要用户授权，也能获取其信息）</param>/// <param name="state">重定向后会带上state参数，开发者可以填写a-zA-Z0-9的参数值，最多128字节</param>/// <returns></returns>public static string GetWebAccreditUrl(string redirect_uri, string scope, string state){return string.Format(WebAccreditUrl, APPID, redirect_uri, scope, state);}/// <summary>/// 通过code换取网页授权access_token/// </summary>public static string WebAccess_tokenUrl = " https://api.weixin.qq.com/sns/oauth2/access_token?appid={0}&secret={1}&code={2}&grant_type=authorization_code";/// <summary>/// 通过code换取网页授权access_token/// </summary>/// <param name="code"></param>/// <returns></returns>public static string GetWebAccess_token(string code){string url = string.Format(WebAccess_tokenUrl, APPID, SECRET, code);return GetJsonByCode(url, "GET", "", "通过code换取网页授权access_token异常");}/// <summary>/// 刷新access_token/// </summary>public static string WebRefreshTokenUrl = "https://api.weixin.qq.com/sns/oauth2/refresh_token?appid={0}&grant_type=refresh_token&refresh_token={1}";/// <summary>/// 刷新access_token，refresh_token有效期为30天，当refresh_token失效之后，需要用户重新授权。/// </summary>public static string RefreshToken(string refresh_token){string url = string.Format(WebRefreshTokenUrl, APPID, refresh_token);return GetJsonByCode(url, "GET", "", "刷新access_token异常");}/// <summary>/// 拉取用户信息(需scope为 snsapi_userinfo)/// </summary>public static string WebUserinfo = "https://api.weixin.qq.com/sns/userinfo?access_token={0}&openid={1}&lang=zh_CN";/// <summary>/// 拉取用户信息(需scope为 snsapi_userinfo)/// </summary>/// <param name="access_token"></param>/// <returns></returns>public static string GetWebUserInfo(string access_token){string url = string.Format(WebUserinfo, access_token, APPID);return GetJsonByCode(url, "GET", "", "拉取用户信息(需scope为 snsapi_userinfo)异常");}/// <summary>/// 检验授权凭证（access_token）是否有效/// </summary>public static string WebAccess_TokenIsValidUrl = "https://api.weixin.qq.com/sns/auth?access_token={0}&openid={1}";/// <summary>/// 检验授权凭证（access_token）是否有效/// </summary>/// <param name="access_token"></param>/// <param name="openID"></param>/// <returns></returns>public static string ValidAccess_Token(string access_token, string openID){string url = string.Format(WebAccess_TokenIsValidUrl, access_token, openID);return GetJsonByCode(url, "GET", "", "检验授权凭证（access_token）是否有效异常");}#endregion/// <summary>/// 通用接口请求/// </summary>/// <param name="Url"></param>/// <param name="Method">POST或者GET</param>/// <param name="postDataStr"></param>/// <returns></returns>public static string HttpPost(string Url, string Method, string postDataStr){HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);request.Method = Method;request.ContentType = "application/x-www-form-urlencoded";if (string.IsNullOrWhiteSpace(postDataStr) == false){byte[] dataArray = Encoding.UTF8.GetBytes(postDataStr);request.ContentLength = dataArray.Length;Stream dataStream = request.GetRequestStream();dataStream.Write(dataArray, 0, dataArray.Length);dataStream.Close();}try{HttpWebResponse response = (HttpWebResponse)request.GetResponse();StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);String res = reader.ReadToEnd();reader.Close();return res;}catch (Exception e){return e.Message + e.ToString();}}/// <summary>/// 获取微信返回json语句/// </summary>/// <param name="objUrl"></param>/// <param name="Method"></param>/// <param name="postDataStr"></param>/// <param name="category"></param>/// <returns></returns>public static string GetJson(string objUrl, string Method, string postDataStr, string category){string resultJson = "";while (true){string url = string.Format(objUrl, GetAccess_Token());string json = HttpPost(url, Method, postDataStr);string pattern = "^{\"errcode\":(?<errcode>.+?),";Regex regex = new Regex(pattern);var match = regex.Match(json);if (match.Success){string errcode = match.Result("${errcode}");if (errcode == "-1"){//-1系统繁忙，此时请开发者稍候再试\break;}else if (errcode == "42001"){//42001access_token超时，请检查access_token的有效期，请参考基础支持-获取access_token中，对access_token的详细机制说明
                        SetAccess_Token();}else if (errcode == "40001"){//40001获取access_token时AppSecret错误，或者access_token无效。请开发者认真比对AppSecret的正确性，或查看是否正在为恰当的公众号调用接口
                        SetAccess_Token();}else if (errcode == "0"){resultJson = json;break;}else{LogControls.InsertLogs(json, category);break;}}else{resultJson = json;break;}}return resultJson;}/// <summary>/// 获取微信返回json语句/// </summary>/// <param name="url"></param>/// <param name="Method"></param>/// <param name="postDataStr"></param>/// <param name="category"></param>/// <returns></returns>public static string GetJsonByCode(string url, string Method, string postDataStr, string category){string resultJson = "";while (true){string json = HttpPost(url, Method, postDataStr);string pattern = "^{\"errcode\":(?<errcode>.+?),";Regex regex = new Regex(pattern);var match = regex.Match(json);if (match.Success){string errcode = match.Result("${errcode}");if (errcode == "-1"){//-1系统繁忙，此时请开发者稍候再试\break;}else if (errcode == "0"){resultJson = json;break;}else if (errcode == "40029"){//40029不合法的oauth_code  Code无效错误resultJson = json;break;}else if (errcode == "40003"){//40003不合法的OpenID，请开发者确认OpenID（该用户）是否已关注公众号，或是否是其他公众号的OpenIDresultJson = json;break;}else{LogControls.InsertLogs(json, category);break;}}else{resultJson = json;break;}}return resultJson;}}/// <summary>/// 微信文件上传通用类/// </summary>public static class UploadVideo{/// <summary>  /// 填充表单信息的Stream  /// </summary>  /// <param name="formData"></param>  /// <param name="stream"></param>  public static void FillFormDataStream(this Dictionary<string, string> formData, Stream stream){string dataString = GetQueryString(formData);var formDataBytes = formData == null ? new byte[0] : Encoding.UTF8.GetBytes(dataString);stream.Write(formDataBytes, 0, formDataBytes.Length);stream.Seek(0, SeekOrigin.Begin);//设置指针读取位置
        }public static string GetUploadVideoResult(string urlTemplate, string accessToken, string type, string filePath, string title, string introduction)  {//"https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={0}&type={1}"var url = string.Format(urlTemplate, accessToken, type);  var fileDictionary = new Dictionary<string, string>();  fileDictionary["media"] = filePath;if (title != ""){fileDictionary["description"] = string.Format("{{\"title\":\"{0}\", \"introduction\":\"{1}\"}}", title, introduction);}string returnText = string.Empty;  Dictionary<string, string> postDataDictionary = null;  using (MemoryStream ms = new MemoryStream())  {  postDataDictionary.FillFormDataStream(ms); //填充formData  returnText = HttpPost(url, null, ms, fileDictionary, null, null, 1200000);  }  return returnText;  }  /// <summary>  /// 组装QueryString的方法  /// 参数之间用&连接，首位没有符号，如：a=1&b=2&c=3  /// </summary>  /// <param name="formData"></param>  /// <returns></returns>  public static string GetQueryString(this Dictionary<string, string> formData)  {  if (formData == null || formData.Count == 0)  {  return "";  }  StringBuilder sb = new StringBuilder();  var i = 0;  foreach (var kv in formData)  {  i++;  sb.AppendFormat("{0}={1}", kv.Key, kv.Value);  if (i < formData.Count)  {  sb.Append("&");  }  }  return sb.ToString();  }  /// <summary>  /// 根据完整文件路径获取FileStream  /// </summary>  /// <param name="fileName"></param>  /// <returns></returns>  public static FileStream GetFileStream(string fileName)  {  FileStream fileStream = null;  if (!string.IsNullOrEmpty(fileName) && File.Exists(fileName))  {  fileStream = new FileStream(fileName, FileMode.Open);  }  return fileStream;  }  /// <summary>  /// 使用Post方法获取字符串结果  /// </summary>  /// <param name="url"></param>  /// <param name="cookieContainer"></param>  /// <param name="postStream"></param>  /// <param name="fileDictionary">需要上传的文件，Key：对应要上传的Name，Value：本地文件名</param>  /// <param name="timeOut">超时</param>  /// <returns></returns>  public static string HttpPost(string url, CookieContainer cookieContainer = null, Stream postStream = null, Dictionary<string, string> fileDictionary = null, string refererUrl = null, Encoding encoding = null, int timeOut = 1200000)  {  HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);  request.Method = "POST";  request.Timeout = timeOut;  #region 处理Form表单文件上传  var formUploadFile = fileDictionary != null && fileDictionary.Count > 0;//是否用Form上传文件  if (formUploadFile)  {  //通过表单上传文件  postStream = postStream ?? new MemoryStream();  string boundary = "----" + DateTime.Now.Ticks.ToString("x");  //byte[] boundarybytes = Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");  string fileFormdataTemplate = "\r\n--" + boundary + "\r\nContent-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: application/octet-stream\r\n\r\n";  string dataFormdataTemplate = "\r\n--" + boundary +  "\r\nContent-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";  foreach (var file in fileDictionary)  {  try  {  var fileName = file.Value;  //准备文件流  using (var fileStream = GetFileStream(fileName))  {  string formdata = null;  if (fileStream != null)  {  //存在文件  formdata = string.Format(fileFormdataTemplate, file.Key, /*fileName*/ Path.GetFileName(fileName));  }  else  {  //不存在文件或只是注释  formdata = string.Format(dataFormdataTemplate, file.Key, file.Value);  }  //统一处理  var formdataBytes = Encoding.UTF8.GetBytes(postStream.Length == 0 ? formdata.Substring(2, formdata.Length - 2) : formdata);//第一行不需要换行  postStream.Write(formdataBytes, 0, formdataBytes.Length);  //写入文件  if (fileStream != null)  {  byte[] buffer = new byte[1024];  int bytesRead = 0;  while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)  {  postStream.Write(buffer, 0, bytesRead);  }  }  }  }  catch (Exception ex)  {  throw ex;  }  }  //结尾  var footer = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");  postStream.Write(footer, 0, footer.Length);  request.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);  }  else  {  request.ContentType = "application/x-www-form-urlencoded";  }  #endregion  request.ContentLength = postStream != null ? postStream.Length : 0;  request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";  request.KeepAlive = true;  if (!string.IsNullOrEmpty(refererUrl))  {  request.Referer = refererUrl;  }  request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36";  if (cookieContainer != null)  {  request.CookieContainer = cookieContainer;  }  #region 输入二进制流  if (postStream != null)  {  postStream.Position = 0;  //直接写入流  Stream requestStream = request.GetRequestStream();  byte[] buffer = new byte[1024];  int bytesRead = 0;  while ((bytesRead = postStream.Read(buffer, 0, buffer.Length)) != 0)  {  requestStream.Write(buffer, 0, bytesRead);  }  //debug  postStream.Seek(0, SeekOrigin.Begin);  StreamReader sr = new StreamReader(postStream);  var postStr = sr.ReadToEnd();  postStream.Close();//关闭文件访问              }  #endregion  HttpWebResponse response = (HttpWebResponse)request.GetResponse();  if (cookieContainer != null)  {  response.Cookies = cookieContainer.GetCookies(response.ResponseUri);  }  using (Stream responseStream = response.GetResponseStream())  {  using (StreamReader myStreamReader = new StreamReader(responseStream, encoding ?? Encoding.GetEncoding("utf-8")))  {  string retString = myStreamReader.ReadToEnd();  return retString;  }  }  } }
}

分享朋友圈用到了一般应用程序public class wxconfig{public string appId { get; set; }public string timestamp { get; set; }public string nonceStr { get; set; }public string jsapiticke { get; set; }public string url { get; set; }public string signature{get{string temp = Cryptography.SHA1_Hash("jsapi_ticket=" + jsapiticke + "&noncestr="+ nonceStr + "&timestamp=" + timestamp + "&url=" + url).ToLower();return temp;} }}/// <summary>/// Getjsapi 的摘要说明/// </summary>public class Getjsapi : IHttpHandler{public void ProcessRequest(HttpContext context){context.Response.ContentType = "text/plain";wxconfig item = new wxconfig();item.jsapiticke = WeChatSMS.GetJsapi_Ticket();item.url = context.Request.Params["urlparam"];item.appId = WeChatSMS.APPID;item.timestamp = WeChatSMS.GetTimeStamp();item.nonceStr = ("GGVi4C3VM0P37wVU");JavaScriptSerializer js = new JavaScriptSerializer();string json = js.Serialize(item);context.Response.Write(json);}public bool IsReusable{get{return false;}}}页面配置代码<script>$.ajax({type: "POST",url: "/ashx/Getjsapi.ashx",data: { urlparam: "http://www.chaoyundong.com/mobile/share/sharetest.aspx" },cache: false,async: false, //是否ajax同步
            success: function (data) {var item = JSON.parse(data);//console.log(item);
                wx.config({debug: false,appId: item.appId,timestamp: item.timestamp,nonceStr: item.nonceStr,signature: item.signature,jsApiList: ['checkJsApi','onMenuShareTimeline','onMenuShareAppMessage']});wx.ready(function () {//分享到朋友圈
                    wx.onMenuShareTimeline({title: '测试哈哈哈', // 分享标题link: 'http://movie.douban.com/subject/25785114/', // 分享链接imgUrl: 'http://demo.open.weixin.qq.com/jssdk/images/p2166127561.jpg', // 分享图标
                        success: function (res) {//console.log(res);alert('112234');},cancel: function () {alert('3333333');// 用户取消分享后执行的回调函数
                        }});//分享到朋友
                    wx.onMenuShareAppMessage({title: '测试哈哈哈', // 分享标题link: 'http://movie.douban.com/subject/25785114/', // 分享链接imgUrl: 'http://demo.open.weixin.qq.com/jssdk/images/p2166127561.jpg', // 分享图标
                        success: function (res) {//console.log(res);alert('112234');},cancel: function () {alert('3333333');// 用户取消分享后执行的回调函数
                        }});});                }});        </script>