總體思路:
1.首先必須要在微信公眾平臺(tái)上申請(qǐng)一個(gè)公眾號(hào)。
2.然后進(jìn)行模擬登陸。(由于我對(duì)http傳輸原理和編程不是特別懂,在模擬登陸的地方,不是特別清楚,希望有大神指教)
3.模擬登陸后會(huì)獲得一個(gè)token(令牌)和cookie。
4.因?yàn)槟M登陸后相當(dāng)于就進(jìn)入了微信公眾平臺(tái),在這個(gè)里面就可以抓取到需要的數(shù)據(jù),如公眾好友的昵稱,fakeId。其中的fakeid非常重要,因?yàn)閭鬏敂?shù)據(jù)必須要知道對(duì)方的fakeid。
5.知道對(duì)方的fakeid就可以進(jìn)行數(shù)據(jù)的發(fā)送了。
不過里面還有一些小問題,希望有人繼續(xù)修改和討論!也有人說這樣會(huì)被封號(hào),所以請(qǐng)謹(jǐn)慎操作
講一下我項(xiàng)目里面的主要內(nèi)容
1.WeiXinLogin.cs類是用來執(zhí)行登陸功能的
//對(duì)密碼進(jìn)行MD5加密 static string GetMd5Str32(string str) { MD5CryptoServiceProvider md5Hasher = new MD5CryptoServiceProvider(); // Convert the input string to a byte array and compute the hash. 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); // Create a new Stringbuilder to collect the bytes // and create a string. StringBuilder sBuilder = new StringBuilder(); // Loop through each byte of the hashed data // and format each one as a hexadecimal string. for (int i = 0; i < data.Length; i++) { sBuilder.Append(data[i].ToString("x2")); } // Return the hexadecimal string. return sBuilder.ToString(); } //執(zhí)行登陸操作 public static bool ExecLogin(string name,string pass) { bool result = false; string password = GetMd5Str32(pass).ToUpper(); string padata = "username=" + name + "&pwd=" + password + "&imgcode=&f=json"; string url = "http://mp.weixin.qq.com/cgi-bin/login?lang=zh_CN ";//請(qǐng)求登錄的URL try { CookieContainer cc = new CookieContainer();//接收緩存 byte[] byteArray = Encoding.UTF8.GetBytes(padata); // 轉(zhuǎn)化 HttpWebRequest webRequest2 = (HttpWebRequest)WebRequest.Create(url); //新建一個(gè)WebRequest對(duì)象用來請(qǐng)求或者響應(yīng)url webRequest2.CookieContainer = cc; //保存cookie webRequest2.Method = "POST"; //請(qǐng)求方式是POST webRequest2.ContentType = "application/x-www-form-urlencoded"; //請(qǐng)求的內(nèi)容格式為application/x-www-form-urlencoded webRequest2.ContentLength = byteArray.Length; Stream newStream = webRequest2.GetRequestStream(); //返回用于將數(shù)據(jù)寫入 Internet 資源的 Stream。 // Send the data. newStream.Write(byteArray, 0, byteArray.Length); //寫入?yún)?shù) newStream.Close(); HttpWebResponse response2 = (HttpWebResponse)webRequest2.GetResponse(); StreamReader sr2 = new StreamReader(response2.GetResponseStream(), Encoding.Default); string text2 = sr2.ReadToEnd(); //此處用到了newtonsoft來序列化 WeiXinRetInfo retinfo = Newtonsoft.Json.JsonConvert.DeserializeObject<WeiXinRetInfo>(text2); string token = string.Empty; if (retinfo.ErrMsg.Length > 0) { token = retinfo.ErrMsg.Split(new char[] { '&' })[2].Split(new char[] { '=' })[1].ToString();//取得令牌 LoginInfo.LoginCookie = cc; LoginInfo.CreateDate = DateTime.Now; LoginInfo.Token = token; result = true; } } catch (Exception ex) { throw new Exception(ex.StackTrace); } return result; } public static class LoginInfo { /// <summary> /// 登錄后得到的令牌 /// </summary> public static string Token { get; set; } /// <summary> /// 登錄后得到的cookie /// </summary> public static CookieContainer LoginCookie { get; set; } /// <summary> /// 創(chuàng)建時(shí)間 /// </summary> public static DateTime CreateDate { get; set; } }
2.在WeiXin.cs類中實(shí)現(xiàn)發(fā)送數(shù)據(jù)
public static bool SendMessage(string Message, string fakeid) { bool result = false; CookieContainer cookie = null; string token = null; cookie = WeiXinLogin.LoginInfo.LoginCookie;//取得cookie token = WeiXinLogin.LoginInfo.Token;//取得token string strMsg = System.Web.HttpUtility.UrlEncode(Message); //對(duì)傳遞過來的信息進(jìn)行url編碼 string padate = "type=1&content=" + strMsg + "&error=false&tofakeid=" + fakeid + "&token=" + token + "&ajax=1"; string url = "https://mp.weixin.qq.com/cgi-bin/singlesend?t=ajax-response&lang=zh_CN"; byte[] byteArray = Encoding.UTF8.GetBytes(padate); // 轉(zhuǎn)化 HttpWebRequest webRequest2 = (HttpWebRequest)WebRequest.Create(url); webRequest2.CookieContainer = cookie; //登錄時(shí)得到的緩存 webRequest2.Referer = "https://mp.weixin.qq.com/cgi-bin/singlemsgpage?token=" + token + "&fromfakeid=" + fakeid + "&msgid=&source=&count=20&t=wxm-singlechat&lang=zh_CN"; webRequest2.Method = "POST"; webRequest2.UserAgent = "Mozilla/5.0 (Windows NT 5.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1"; webRequest2.ContentType = "application/x-www-form-urlencoded"; webRequest2.ContentLength = byteArray.Length; Stream newStream = webRequest2.GetRequestStream(); // Send the data. newStream.Write(byteArray, 0, byteArray.Length); //寫入?yún)?shù) newStream.Close(); HttpWebResponse response2 = (HttpWebResponse)webRequest2.GetResponse(); StreamReader sr2 = new StreamReader(response2.GetResponseStream(), Encoding.Default); string text2 = sr2.ReadToEnd(); if (text2.Contains("ok")) { result = true; } return result; }
3.SendMessage.aspx.cs中主要實(shí)現(xiàn)獲取fakeid
public static ArrayList SubscribeMP() { try { CookieContainer cookie = null; string token = null; cookie = WeiXinLogin.LoginInfo.LoginCookie;//取得cookie token = WeiXinLogin.LoginInfo.Token;//取得token /*獲取用戶信息的url,這里有幾個(gè)參數(shù)給大家講一下,1.token此參數(shù)為上面的token 2.pagesize此參數(shù)為每一頁顯示的記錄條數(shù) 3.pageid為當(dāng)前的頁數(shù),4.groupid為微信公眾平臺(tái)的用戶分組的組id,當(dāng)然這也是我的猜想不一定正確*/ string Url = "https://mp.weixin.qq.com/cgi-bin/contactmanagepage?t=wxm-friend&token=" + token + "&lang=zh_CN&pagesize=10&pageidx=0&type=0&groupid=0"; HttpWebRequest webRequest2 = (HttpWebRequest)WebRequest.Create(Url); webRequest2.CookieContainer = cookie; webRequest2.ContentType = "text/html; charset=UTF-8"; webRequest2.Method = "GET"; webRequest2.UserAgent = "Mozilla/5.0 (Windows NT 5.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1"; webRequest2.ContentType = "application/x-www-form-urlencoded"; HttpWebResponse response2 = (HttpWebResponse)webRequest2.GetResponse(); StreamReader sr2 = new StreamReader(response2.GetResponseStream(), Encoding.Default); string text2 = sr2.ReadToEnd(); MatchCollection mc; //由于此方法獲取過來的信息是一個(gè)html網(wǎng)頁所以此處使用了正則表達(dá)式,注意:(此正則表達(dá)式只是獲取了fakeid的信息如果想獲得一些其他的信息修改此處的正則表達(dá)式就可以了。) Regex r = new Regex("\"fakeId\"\\s\\:\\s\"\\d+\""); //定義一個(gè)Regex對(duì)象實(shí)例 mc = r.Matches(text2); Int32 friendSum = mc.Count; //好友總數(shù) string fackID =""; ArrayList fackID1 = new ArrayList(); for (int i = 0; i < friendSum; i++) { fackID = mc[i].Value.Split(new char[] { ':' })[1]; fackID = fackID.Replace("\"", "").Trim(); fackID1.Add(fackID); } return fackID1; } catch (Exception ex) { throw new Exception(ex.StackTrace); } }
更多C#實(shí)現(xiàn)微信公眾號(hào)群發(fā)消息(解決一天只能發(fā)一次的限制)實(shí)例分享相關(guān)文章請(qǐng)關(guān)注PHP中文網(wǎng)!

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