ASP.NET微信开发接口指南详细介绍
这篇文章ASP.NET微信开发接口指南详细介绍，微信公众平台的开发较为简单，感兴趣的小伙伴们可以参考一下
公众平台用户提交信息后，微信服务器将发送GET请求到填写的URL上，并且带上四个参数：
开发者通过检验signature对请求进行校验（下面有校验方式）。若确认此次GET请求来自微信服务器，请原样返回echostr参数内容，则接入生效，否则接入失败。
signature结合了开发者填写的token参数和请求中的timestamp参数、nonce参数。
加密/校验流程：
1. 将token、timestamp、nonce三个参数进行字典序排序
2. 将三个参数字符串拼接成一个字符串进行sha1加密
3. 开发者获得加密后的字符串可与signature对比，标识该请求来源于微信
/// <summary>/// 验证签名/// </summary>/// <param name="signature"></param>/// <param name="timestamp"></param>/// <param name="nonce"></param>/// <returns></returns>public static bool CheckSignature(String signature, String timestamp, String nonce){String[] arr = new String[] { token, timestamp, nonce };// 将token、timestamp、nonce三个参数进行字典序排序Array.Sort<String>(arr);StringBuilder content = new StringBuilder();for (int i = 0; i < arr.Length; i++){content.Append(arr[i]);}String tmpStr = SHA1_Encrypt(content.ToString());// 将sha1加密后的字符串可与signature对比，标识该请求来源于微信return tmpStr != null ? tmpStr.Equals(signature) : false;}/// <summary>/// 使用缺省密钥给字符串加密/// </summary>/// <param name="Source_String"></param>/// <returns></returns>public static string SHA1_Encrypt(string Source_String){byte[] StrRes = Encoding.Default.GetBytes(Source_String);HashAlgorithm iSHA = new SHA1CryptoServiceProvider();StrRes = iSHA.ComputeHash(StrRes);StringBuilder EnText = new StringBuilder();foreach (byte iByte in StrRes){EnText.AppendFormat("{0:x2}", iByte);}return EnText.ToString();}
接入后是消息推送当普通微信用户向公众账号发消息时，微信服务器将POST该消息到填写的URL上。
protected void Page_Load(object sender, EventArgs e){if (Request.HttpMethod.ToUpper() == "GET"){// 微信加密签名string signature = Request.QueryString["signature"];// 时间戳string timestamp = Request.QueryString["timestamp"];// 随机数string nonce = Request.QueryString["nonce"];// 随机字符串string echostr = Request.QueryString["echostr"];if (WeixinServer.CheckSignature(signature, timestamp, nonce)){Response.Write(echostr);}}else if (Request.HttpMethod.ToUpper() == "POST"){StreamReader stream = new StreamReader(Request.InputStream);string xml = stream.ReadToEnd();processRequest(xml);}}/// <summary>/// 处理微信发来的请求/// </summary>/// <param name="xml"></param>public void processRequest(String xml){try{// xml请求解析Hashtable requestHT = WeixinServer.ParseXml(xml);// 发送方帐号（open_id）string fromUserName = (string)requestHT["FromUserName"];// 公众帐号string toUserName = (string)requestHT["ToUserName"];// 消息类型string msgType = (string)requestHT["MsgType"];//文字消息if (msgType == ReqMsgType.Text){// Response.Write(str);string content = (string)requestHT["Content"];if(content=="1"){// Response.Write(str);Response.Write(GetNewsMessage(toUserName, fromUserName));return;}if (content == "2"){Response.Write(GetUserBlogMessage(toUserName, fromUserName));return;}if (content == "3"){Response.Write(GetGroupMessage(toUserName, fromUserName));return;}if (content == "4"){Response.Write(GetWinePartyMessage(toUserName, fromUserName));return;}Response.Write(GetMainMenuMessage(toUserName, fromUserName, "你好，我是vinehoo,"));}else if (msgType == ReqMsgType.Event){// 事件类型String eventType = (string)requestHT["Event"];// 订阅if (eventType==ReqEventType.Subscribe){Response.Write(GetMainMenuMessage(toUserName, fromUserName, "谢谢您的关注！,"));}// 取消订阅else if (eventType==ReqEventType.Unsubscribe){// TODO 取消订阅后用户再收不到公众号发送的消息，因此不需要回复消息}// 自定义菜单点击事件else if (eventType==ReqEventType.CLICK){// TODO 自定义菜单权没有开放，暂不处理该类消息}}else if (msgType == ReqMsgType.Location){}}catch (Exception e){}}<pre name="code">以上就是关于ASP.NET微信开发接口指南的相关内容介绍，希望对大家的学习有所帮助。以上就是ASP.NET微信开发接口指南详细介绍的详细内容，更多请关注小潘博客其它相关文章！
