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這期內(nèi)容當(dāng)中小編將會(huì)給大家?guī)?lái)有關(guān)如何使用.net構(gòu)建微信服務(wù)號(hào)發(fā)送紅包,文章內(nèi)容豐富且以專(zhuān)業(yè)的角度為大家分析和敘述,閱讀完這篇文章希望大家可以有所收獲。
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//跳轉(zhuǎn)微信登錄頁(yè)面 public ActionResult Index() { ViewBag.url = "https://open.weixin.qq.com/connect/oauth3/authorize?appid=" + {服務(wù)號(hào)appid} + "&redirect_uri=http%3A%2F%2F" + {微信重定向域名(填寫(xiě)程序域名,例如:www.xxxx.com)} + "%2F"+{程序控制器名,例如:Home}+"%2F"+{程序Action名,例如:RedirectWeChat}+"&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect"; return View(); } //獲取accesstoken(訪(fǎng)問(wèn)微信接口需要) public static string accesstoken(string WeChatWxAppId, string WeChatWxAppSecret) { string strJson = HttpRequestUtil.RequestUrl(string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", WeChatWxAppId, WeChatWxAppSecret)); if (strJson.IndexOf("errcode") == -1) { return GetJsonValue(strJson, "access_token"); } else { return ""; } } //解析json public static string GetJsonValue(string jsonStr, string key) { string result = string.Empty; if (!string.IsNullOrEmpty(jsonStr)) { key = "\"" + key.Trim('"') + "\""; int index = jsonStr.IndexOf(key) + key.Length + 1; if (index > key.Length + 1) { //先截逗號(hào),若是最后一個(gè),截“}”號(hào),取最小值 int end = jsonStr.IndexOf(',', index); if (end == -1) { end = jsonStr.IndexOf('}', index); } result = jsonStr.Substring(index, end - index); result = result.Trim(new char[] { '"', ' ', '\'' }); //過(guò)濾引號(hào)或空格 } } return result; } //請(qǐng)求url public static string RequestUrl(string url, string method="post") { // 設(shè)置參數(shù) HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest; CookieContainer cookieContainer = new CookieContainer(); request.CookieContainer = cookieContainer; request.AllowAutoRedirect = true; request.Method = method; request.ContentType = "text/html"; request.Headers.Add("charset", "utf-8"); //發(fā)送請(qǐng)求并獲取相應(yīng)回應(yīng)數(shù)據(jù) HttpWebResponse response = request.GetResponse() as HttpWebResponse; //直到request.GetResponse()程序才開(kāi)始向目標(biāo)網(wǎng)頁(yè)發(fā)送Post請(qǐng)求 Stream responseStream = response.GetResponseStream(); StreamReader sr = new StreamReader(responseStream, Encoding.UTF8); //返回結(jié)果網(wǎng)頁(yè)(html)代碼 string content = sr.ReadToEnd(); return content; } //接收微信返回code //接收微信數(shù)據(jù)獲取用戶(hù)信息 public ActionResult RedirectWeChat(string code, string state) { if (string.IsNullOrEmpty(code)) { return Content("您拒絕了授權(quán)!"); } string access_token = accesstoken(微信AppId, 微信AppSecret); string st = "https://api.weixin.qq.com/sns/oauth3/access_token?appid=" + 微信AppId + "&secret=" + 微信AppSecret + "&code=" + code + "&grant_type=authorization_code"; string data = RequestUrl(st); //拿到用戶(hù)openid string openid=GetJsonValue(data, "openid"); //獲取用戶(hù)其他信息 string url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=" + access_token + "&openid=" + openid + "&lang=zh_CN"; data = RequestUrl(url); string subscribe=GetJsonValue(data, "subscribe"); if (subscribe == "0") { ///未關(guān)注 return RedirectToAction(""); } return RedirectToAction(""); } //發(fā)送紅包Action public ActionResult HB() { string openid = "";//用戶(hù)openid string url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack"; string orderNo = 商戶(hù)號(hào) + DateTime.Now.ToString("yyyymmdd")+"隨機(jī)10位數(shù)字";//商戶(hù)訂單號(hào) 組成:mch_id+yyyymmdd+10位一天內(nèi)不能重復(fù)的數(shù)字。 string Code = ""//32為隨機(jī)字符串; string key="key=" + "";//支付密鑰(在商戶(hù)平臺(tái)設(shè)置32為字符串) Dictionary<string, string> data = new Dictionary<string, string>(); data.Add("act_name", "");//活動(dòng)名稱(chēng) data.Add("client_ip", "192.168.1.1");//Ip地址 data.Add("mch_billno", orderNo);//商戶(hù)訂單號(hào) 組成:mch_id+yyyymmdd+10位一天內(nèi)不能重復(fù)的數(shù)字。 data.Add("mch_id", "");//商戶(hù)號(hào) data.Add("nonce_str", Code);//隨機(jī)字符串 data.Add("re_openid", openid);//用戶(hù)openid data.Add("remark", "");//備注 data.Add("send_name","");//商戶(hù)名稱(chēng) data.Add("total_amount", "100");//付款金額 單位分 data.Add("total_num", "1");//紅包發(fā)放總?cè)藬?shù) data.Add("wishing", "恭喜發(fā)財(cái)");//紅包祝福語(yǔ) data.Add("wxappid", );//公眾賬號(hào)appid string xml = GetXML(data, key);//簽名+拼接xml string str=PostWebRequests(url, xml);//微信返回xml err_code=SUCCESS 就是成功 return View(""); } //發(fā)送紅包(MD5簽名+拼接X(jué)ML) public static string GetXML(Dictionary<string, string> data,string paykey) { string retStr; MD5CryptoServiceProvider m5 = new MD5CryptoServiceProvider(); var data1=from d in data orderby d.Key select d; string data2 = ""; string XML = "<xml>"; foreach (var item in data1) { //空值不參與簽名 if (item.Value + "" != "") { data2 += item.Key +"="+ item.Value + "&"; } XML += "<" + item.Key + ">" + item.Value+""+ "</" + item.Key + ">"; } data2 += paykey; //創(chuàng)建md5對(duì)象 byte[] inputBye; byte[] outputBye; //使用GB2312編碼方式把字符串轉(zhuǎn)化為字節(jié)數(shù)組. try { inputBye = Encoding.UTF8.GetBytes(data2); } catch { inputBye = Encoding.GetEncoding("GB2312").GetBytes(data2); } outputBye = m5.ComputeHash(inputBye); retStr = System.BitConverter.ToString(outputBye); retStr = retStr.Replace("-", "").ToUpper(); XML += "<sign>" + retStr + "</sign>";//簽名 XML += "</xml>"; return XML; } //發(fā)送紅包請(qǐng)求Post方法 public static string PostWebRequests(string postUrl, string menuInfo) { string returnValue = string.Empty; try { Encoding encoding = Encoding.UTF8; byte[] bytes = encoding.GetBytes(menuInfo); string cert = @"E:\cdcert\apiclient_cert.p12";//支付證書(shū)路徑 string password = "1212121";//支付證書(shū)密碼 ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult); X509Certificate cer = new X509Certificate(cert, password, X509KeyStorageFlags.MachineKeySet); HttpWebRequest webrequest = (HttpWebRequest)HttpWebRequest.Create(postUrl); webrequest.ClientCertificates.Add(cer); webrequest.Method = "post"; webrequest.ContentLength = bytes.Length; webrequest.GetRequestStream().Write(bytes, 0, bytes.Length); HttpWebResponse webreponse = (HttpWebResponse)webrequest.GetResponse(); Stream stream = webreponse.GetResponseStream(); string resp = string.Empty; using (StreamReader reader = new StreamReader(stream)) { return reader.ReadToEnd(); } } catch (Exception ex) { return ""; } }
上述就是小編為大家分享的如何使用.net構(gòu)建微信服務(wù)號(hào)發(fā)送紅包了,如果剛好有類(lèi)似的疑惑,不妨參照上述分析進(jìn)行理解。如果想知道更多相關(guān)知識(shí),歡迎關(guān)注億速云行業(yè)資訊頻道。
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