微信开发

微信公众平台模拟登录：

 public static WeiXinRetInfo Login(string userName, string password, out CookieContainer cookieContainer)
        {
            try
            {
                string pwd = GetMd5Str32(password).ToLower();
                string post_data = "username=" + userName + "&pwd=" + pwd + "&imgcode=&f=json";
                byte[] byteArray = Encoding.UTF8.GetBytes(post_data); // 转化

                HttpWebRequest web_request = (HttpWebRequest)WebRequest.Create("https://mp.weixin.qq.com/cgi-bin/login?lang=zh_CN");
                var cc = new CookieContainer();
                web_request.CookieContainer = cc;
                web_request.AllowAutoRedirect = false;
                web_request.KeepAlive = true;
                web_request.Method = "POST";
                web_request.ContentType = "application/x-www-form-urlencoded";
                web_request.ContentLength = byteArray.Length;
                web_request.Referer = "https://mp.weixin.qq.com/";

                Stream newStream = web_request.GetRequestStream();
                newStream.Write(byteArray, 0, byteArray.Length);
                newStream.Close();

                HttpWebResponse web_response = (HttpWebResponse)web_request.GetResponse();
                StreamReader sr = new StreamReader(web_response.GetResponseStream(), Encoding.UTF8);
                string loginResult = sr.ReadToEnd();
                var js = new JavaScriptSerializer();
                var wxRet = js.Deserialize<WeiXinRetInfo>(loginResult);

                cookieContainer = cc;
                return wxRet;
            }
            catch (Exception syse)
            {
                cookieContainer = null;
                return new WeiXinRetInfo() { ErrCode = "999", ErrMsg = string.Empty, Ret = string.Empty, ShowVerifyCode = string.Empty };
            }
        }

        private static string GetMd5Str32(string str)
        {
            MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider();
            char[] temp = str.ToCharArray();
            byte[] buf = new byte[temp.Length];
            for (int i = 0; i < temp.Length; i++)
            {
                buf[i] = (byte)temp[i];
            }
            byte[] data = md5Hasher.ComputeHash(buf);
            StringBuilder sBuilder = new StringBuilder();
            for (int i = 0; i < data.Length; i++)
            {
                sBuilder.Append(data[i].ToString("X2"));
            }
            return sBuilder.ToString();
        }

微信群发消息：

   /// <summary>
        /// 微信群发消息
        /// </summary>
        /// <param name="Message">发送内容</param>
        /// <param name="cookie">登录时所得Cookie</param>
        /// <param name="token">登录时所得token</param>
        /// <param name="errorMsg">返回错误信息</param>
        /// <returns></returns>
        public static bool SendGroupMessage(string Message, CookieContainer cookie, string token, out string errorMsg)
        {
            bool result = false; errorMsg = "fail";
            string strMsg = System.Web.HttpUtility.UrlEncode(Message);  //对传递过来的信息进行url编码
            string padate = "type=1&content=" + strMsg + "&error=false&groupid=-1&ajax=1&token=" + token;
            string url = "https://mp.weixin.qq.com/cgi-bin/masssend?t=ajax-response";
            byte[] byteArray = Encoding.UTF8.GetBytes(padate); // 转化
            HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
            webRequest.CookieContainer = cookie; //登录时得到的缓存
            webRequest.Referer = "https://mp.weixin.qq.com/cgi-bin/masssendpage?t=wxm-send&token=" + token + "&lang=zh_CN";
            // webRequest.Referer = "https://mp.weixin.qq.com";
            webRequest.Method = "POST";
            webRequest.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0";
            webRequest.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
            webRequest.ContentLength = byteArray.Length;
            Stream newStream = webRequest.GetRequestStream();
            newStream.Write(byteArray, 0, byteArray.Length);    //写入参数    
            newStream.Close();
            HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
            StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.Default);
            string text = sr.ReadToEnd();

            if (text.Contains("not have masssend quota today"))
            {
                result = false;
                errorMsg = "微信平台控制:订阅号每天仅能群发一条消息，服务号每月仅能群发一条。";
            }
            else if (text.Contains("ok"))
            {
                result = true;
            }
            return result;
        }

验证微博账户的状态是否验签成功，即在公众平台提交Url是否成功：

 /// <summary>
        /// 验证微博账户的状态
        /// </summary>
        /// <param name="input_url">验证所要输入的Url</param>
        /// <param name="input_token">验证所要输入的Token</param>
        /// <param name="loginName">登录用户名</param>
        /// <param name="loginPassword">登录密码</param>
        /// <returns></returns>
        public static bool CheckWXAccountStatus(string input_url, string input_token, string loginName, string loginPassword)
        {
            bool result = false;
            try
            {
                CookieContainer cookieCon = new CookieContainer();
                var token = "";
                WeiXinRetInfo wxRet = WeiXinHelper.Login(loginName, loginPassword, out cookieCon);
                if (wxRet.ErrCode == "0")
                    token = wxRet.ErrMsg.Split('=')[3];

                string padate = "callback_token=" + input_token + "&url=" + input_url;
                string requrl = "https://mp.weixin.qq.com/cgi-bin/callbackprofile?t=ajax-response&token=" + token + "&lang=zh_CN";
                byte[] byteArray = Encoding.UTF8.GetBytes(padate); // 转化
                HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(requrl);
                webRequest.CookieContainer = cookieCon; //登录时得到的缓存
                webRequest.Referer = "https://mp.weixin.qq.com/cgi-bin/advanced?action=interface&t=advanced/interface&token=" + token + "&lang=zh_CN";
                webRequest.Method = "POST";
                webRequest.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0";
                webRequest.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
                webRequest.ContentLength = byteArray.Length;
                Stream newStream = webRequest.GetRequestStream();
                newStream.Write(byteArray, 0, byteArray.Length);    //写入参数    
                newStream.Close();
                HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.Default);
                string text = sr.ReadToEnd();
                var js = new JavaScriptSerializer();
                var resultwxRet = js.Deserialize<WeiXinRetInfo>(text);
                if (resultwxRet.Ret == "0")
                    result = true;
            }
            catch { result = false; }

            return result;
        }

发布自定义菜单：

  //发布微信自定义菜单
        public static bool PublishMenu(string appId, string appSecret, int shopID, string accessToken)
        {
            bool result = false;
            try
            {
                var firstArray = new ArrayList();
                var firstList = MenuRepository.GetFirstMenus(shopID);
                foreach (var fmenu in firstList)
                {
                    var fChilf = new ArrayList();
                    var secondList = MenuRepository.GetSecondMenus(fmenu.ID);
                    if (secondList.Count != 0)
                    {
                        foreach (var secondMenu in secondList)
                        {
                            if (secondMenu.Type == "外链")
                                fChilf.Add(new { type = "view", name = secondMenu.Name, url = secondMenu.ReplyMsg });
                            else
                                fChilf.Add(new { type = "click", name = secondMenu.Name, key = secondMenu.Key });
                        }

                        if (fmenu.Type == "外链")
                            firstArray.Add(new { type = "view", name = fmenu.Name, url = fmenu.ReplyMsg, sub_button = fChilf });
                        else
                            firstArray.Add(new { type = "click", name = fmenu.Name, key = fmenu.Key, sub_button = fChilf });
                    }
                    else
                    {
                        if (fmenu.Type == "外链")
                            firstArray.Add(new { type = "view", name = fmenu.Name, url = fmenu.ReplyMsg });
                        else
                            firstArray.Add(new { type = "click", name = fmenu.Name, key = fmenu.Key });
                    }
                }

                var menuObj = new { button = firstArray };
                var menuJson = Newtonsoft.Json.JsonConvert.SerializeObject(menuObj);

                string url = "http://api.weixin.qq.com/cgi-bin/menu/create?access_token=" + accessToken;
                byte[] byteArray = Encoding.UTF8.GetBytes(menuJson); // 转化
                HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
                webRequest.Method = "POST";
                webRequest.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
                webRequest.ContentLength = byteArray.Length;
                Stream newStream = webRequest.GetRequestStream();
                newStream.Write(byteArray, 0, byteArray.Length);    //写入参数    
                newStream.Close();
                HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.Default);
                string text = sr.ReadToEnd();
                var js = new JavaScriptSerializer();
                var WXJSONReback = js.Deserialize<WXJSONReback>(text);

                if (WXJSONReback.errcode == "0")
                {
                    result = true;
                }
                return result;
            }
            catch
            {
                result = false;
            }
            return result;
        }

 获取access_token：

 /// <summary>
        /// 获取access_token
        /// </summary>
        /// <param name="appid"></param>
        /// <param name="appsecret"></param>
        /// <returns></returns>
        public static string GetAccessToken(string appid, string appsecret)
        {
            string accesstokenStr = string.Empty;
            try
            {
                string url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid + "&secret=" + appsecret;
                HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
                webRequest.Method = "GET";
                HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.Default);
                string text = sr.ReadToEnd();

                var js = new JavaScriptSerializer();
                var accesstoken = js.Deserialize<WXAccessToken>(text);
                accesstokenStr = accesstoken.access_token;
                return accesstokenStr;
            }
            catch
            {
                return accesstokenStr;
            }
        }

取消自定义菜单：

 public static bool CancelPublishMenu(string accessToken)
        {
            bool result = false;
            try
            {
                string url = "https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=" + accessToken;

                HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
                webRequest.Method = "GET";
                webRequest.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";

                HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.Default);
                string text = sr.ReadToEnd();
                var js = new JavaScriptSerializer();
                var WXJSONReback = js.Deserialize<WXJSONReback>(text);

                if (WXJSONReback.errcode == "0")
                {
                    result = true;
                }
            }
            catch
            {
                result = false;
            }
            return result;
        }