Cet article est principalement une explication détaillée de la mise en ?uvre asp.net de la méthode de développement du compte public WeChat interface Les amis intéressés peuvent s'y référer<.>

En parlant de comptes publics WeChat, tout le monde le conna?t. L'utilisation de cette plateforme peut ajouter un nouveau point fort au site Web ou au système. Allons droit au but. Assurez-vous de lire l'

API soigneusement avant de l'utiliser. Méthode implémentée à l'aide de .net?:
//Code de la page d'adresse de l'interface WeChat?:

weixin _wx = new weixin(); 
string postStr = ""; 
if (Request.HttpMethod.ToLower() == "post") 
{ 
Stream s = System.Web.HttpContext.Current.Request.InputStream; 
byte[] b = new byte[s.Length]; 
s.Read(b, 0, (int)s.Length); 
postStr = Encoding.UTF8.GetString(b); 
if (!string.IsNullOrEmpty(postStr)) //請求處理 
{ 
_wx.Handle(postStr); 
} 
} 
else 
{ 
_wx.Auth(); 
}

Classe de traitement spécifique

/// <summary> 
/// 微信公眾平臺操作類 
/// </summary> 
public class weixin 
{ 
private string Token = "my_weixin_token"; //換成自己的token 
public void Auth() 
{ 
string echoStr = System.Web.HttpContext.Current.Request.QueryString["echoStr"]; 
if (CheckSignature()) //校驗簽名是否正確 
{ 
if (!string.IsNullOrEmpty(echoStr)) 
{ 
System.Web.HttpContext.Current.Response.Write(echoStr); //返回原值表示校驗成功 
System.Web.HttpContext.Current.Response.End(); 
} 
} 
} 
 
 
public void Handle(string postStr) 
{ 
//封裝請求類 
XmlDocument doc = new XmlDocument(); 
doc.LoadXml(postStr); 
XmlElement rootElement = doc.DocumentElement; 
//MsgType 
XmlNode MsgType = rootElement.SelectSingleNode("MsgType"); 
//接收的值--->接收消息類(也稱為消息推送) 
RequestXML requestXML = new RequestXML(); 
requestXML.ToUserName = rootElement.SelectSingleNode("ToUserName").InnerText; 
requestXML.FromUserName = rootElement.SelectSingleNode("FromUserName").InnerText; 
requestXML.CreateTime = rootElement.SelectSingleNode("CreateTime").InnerText; 
requestXML.MsgType = MsgType.InnerText; 
 
//根據(jù)不同的類型進行不同的處理 
switch (requestXML.MsgType) 
{ 
case "text": //文本消息 
requestXML.Content = rootElement.SelectSingleNode("Content").InnerText; 
break; 
case "image": //圖片 
requestXML.PicUrl = rootElement.SelectSingleNode("PicUrl").InnerText; 
break; 
case "location": //位置 
requestXML.Location_X = rootElement.SelectSingleNode("Location_X").InnerText; 
requestXML.Location_Y = rootElement.SelectSingleNode("Location_Y").InnerText; 
requestXML.Scale = rootElement.SelectSingleNode("Scale").InnerText; 
requestXML.Label = rootElement.SelectSingleNode("Label").InnerText; 
break; 
case "link": //鏈接 
break; 
case "event": //事件推送 支持V4.5+ 
break; 
} 
 
//消息回復 
ResponseMsg(requestXML); 
} 
 
 
/// <summary> 
/// 驗證微信簽名 
/// * 將token、timestamp、nonce三個參數(shù)進行字典序排序 
/// * 將三個參數(shù)字符串拼接成一個字符串進行sha1加密 
/// * 開發(fā)者獲得加密后的字符串可與signature對比，標識該請求來源于微信。 
/// </summary> 
/// <returns></returns> 
private bool CheckSignature() 
{ 
string signature = System.Web.HttpContext.Current.Request.QueryString["signature"]; 
string timestamp = System.Web.HttpContext.Current.Request.QueryString["timestamp"]; 
string nonce = System.Web.HttpContext.Current.Request.QueryString["nonce"]; 
//加密/校驗流程： 
//1. 將token、timestamp、nonce三個參數(shù)進行字典序排序 
string[] ArrTmp = { Token, timestamp, nonce }; 
Array.Sort(ArrTmp);//字典排序 
//2.將三個參數(shù)字符串拼接成一個字符串進行sha1加密 
string tmpStr = string.Join("", ArrTmp); 
tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1"); 
tmpStr = tmpStr.ToLower(); 
//3.開發(fā)者獲得加密后的字符串可與signature對比，標識該請求來源于微信。 
if (tmpStr == signature) 
{ 
return true; 
} 
else 
{ 
return false; 
} 
} 
 
/// <summary> 
/// 消息回復(微信信息返回) 
/// </summary> 
/// <param name="requestXML">The request XML.</param> 
private void ResponseMsg(RequestXML requestXML) 
{ 
try 
{ 
string resxml = ""; 
//主要是調用數(shù)據(jù)庫進行關鍵詞匹配自動回復內(nèi)容，可以根據(jù)自己的業(yè)務情況編寫。 
//1.通常有，沒有匹配任何指令時，返回幫助信息 
AutoResponse mi = new AutoResponse(requestXML.Content, requestXML.FromUserName); 
 
switch (requestXML.MsgType) 
{ 
case "text": 
//在這里執(zhí)行一系列操作，從而實現(xiàn)自動回復內(nèi)容. 
string _reMsg = mi.GetReMsg(); 
if (mi.msgType == 1) 
{ 
resxml = "<xml><ToUserName><![CDATA[" + requestXML.FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + requestXML.ToUserName + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[news]]></MsgType><Content><![CDATA[]]></Content><ArticleCount>2</ArticleCount><Articles>"; 
resxml += mi.GetRePic(requestXML.FromUserName); 
resxml += "</Articles><FuncFlag>1</FuncFlag></xml>"; 
} 
else 
{ 
resxml = "<xml><ToUserName><![CDATA[" + requestXML.FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + requestXML.ToUserName + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[" + _reMsg + "]]></Content><FuncFlag>1</FuncFlag></xml>"; 
} 
break; 
case "location": 
string city = GetMapInfo(requestXML.Location_X, requestXML.Location_Y); 
if (city == "0") 
{ 
resxml = "<xml><ToUserName><![CDATA[" + requestXML.FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + requestXML.ToUserName + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[好啦，我們知道您的位置啦。您可以:" + mi.GetDefault() + "]]></Content><FuncFlag>1</FuncFlag></xml>"; 
} 
else 
{ 
resxml = "<xml><ToUserName><![CDATA[" + requestXML.FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + requestXML.ToUserName + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[好啦，我們知道您的位置啦。您可以:" + mi.GetDefault() + "]]></Content><FuncFlag>1</FuncFlag></xml>"; 
} 
break; 
case "image": 
//圖文混合的消息 具體格式請見官方API“回復圖文消息” 
break; 
} 
 
System.Web.HttpContext.Current.Response.Write(resxml); 
WriteToDB(requestXML, resxml, mi.pid); 
} 
catch (Exception ex) 
{ 
//WriteTxt("異常：" + ex.Message + "Struck:" + ex.StackTrace.ToString()); 
//wx_logs.MyInsert("異常：" + ex.Message + "Struck:" + ex.StackTrace.ToString()); 
} 
} 
 
 
/// <summary> 
/// unix時間轉換為datetime 
/// </summary> 
/// <param name="timeStamp"></param> 
/// <returns></returns> 
private DateTime UnixTimeToTime(string timeStamp) 
{ 
DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); 
long lTime = long.Parse(timeStamp + "0000000"); 
TimeSpan toNow = new TimeSpan(lTime); 
return dtStart.Add(toNow); 
} 
 
 
/// <summary> 
/// datetime轉換為unixtime 
/// </summary> 
/// <param name="time"></param> 
/// <returns></returns> 
private int ConvertDateTimeInt(System.DateTime time) 
{ 
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); 
return (int)(time - startTime).TotalSeconds; 
} 
 
 
/// <summary> 
/// 調用百度地圖，返回坐標信息 
/// </summary> 
/// <param name="y">經(jīng)度</param> 
/// <param name="x">緯度</param> 
/// <returns></returns> 
public string GetMapInfo(string x, string y) 
{ 
try 
{ 
string res = string.Empty; 
string parame = string.Empty; 
string url = "http://maps.googleapis.com/maps/api/geocode/xml"; 
 
parame = "latlng=" + x + "," + y + "&language=zh-CN&sensor=false";//此key為個人申請 
res = webRequestPost(url, parame); 
 
XmlDocument doc = new XmlDocument(); 
doc.LoadXml(res); 
 
XmlElement rootElement = doc.DocumentElement; 
string Status = rootElement.SelectSingleNode("status").InnerText; 
 
if (Status == "OK") 
{ 
//僅獲取城市 
XmlNodeList xmlResults = rootElement.SelectSingleNode("/GeocodeResponse").ChildNodes; 
for (int i = 0; i < xmlResults.Count; i++) 
{ 
XmlNode childNode = xmlResults[i]; 
if (childNode.Name == "status") { 
continue; 
} 
string city = "0"; 
for (int w = 0; w < childNode.ChildNodes.Count; w++) 
{ 
for (int q = 0; q < childNode.ChildNodes[w].ChildNodes.Count; q++) 
{ 
XmlNode childeTwo = childNode.ChildNodes[w].ChildNodes[q]; 
if (childeTwo.Name == "long_name") 
{ 
city = childeTwo.InnerText; 
} 
else if (childeTwo.InnerText == "locality") 
{ 
return city; 
} 
} 
} 
return city; 
} 
} 
} 
catch (Exception ex) 
{ 
//WriteTxt("map異常:" + ex.Message.ToString() + "Struck:" + ex.StackTrace.ToString()); 
return "0"; 
} 
return "0"; 
} 
 
 
/// <summary> 
/// Post 提交調用抓取 
/// </summary> 
/// <param name="url">提交地址</param> 
/// <param name="param">參數(shù)</param> 
/// <returns>string</returns> 
public string webRequestPost(string url, string param) 
{ 
byte[] bs = System.Text.Encoding.UTF8.GetBytes(param); 
HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(url + "?" + param); 
req.Method = "Post"; 
req.Timeout = 120 * 1000; 
req.ContentType = "application/x-www-form-urlencoded;"; 
req.ContentLength = bs.Length; 
 
using (Stream reqStream = req.GetRequestStream()) 
{ 
reqStream.Write(bs, 0, bs.Length); 
reqStream.Flush(); 
} 
 
using (WebResponse wr = req.GetResponse()) 
{ 
//在這里對接收到的頁面內(nèi)容進行處理 
Stream strm = wr.GetResponseStream(); 
StreamReader sr = new StreamReader(strm, System.Text.Encoding.UTF8); 
 
string line; 
System.Text.StringBuilder sb = new System.Text.StringBuilder(); 
while ((line = sr.ReadLine()) != null) 
{ 
sb.Append(line + System.Environment.NewLine); 
} 
sr.Close(); 
strm.Close(); 
return sb.ToString(); 
} 
} 
 
/// <summary> 
/// 將本次交互信息保存至數(shù)據(jù)庫中 
/// </summary> 
/// <param name="requestXML"></param> 
/// <param name="_xml"></param> 
/// <param name="_pid"></param> 
private void WriteToDB(RequestXML requestXML, string _xml, int _pid) 
{ 
WeiXinMsg wx = new WeiXinMsg(); 
wx.FromUserName = requestXML.FromUserName; 
wx.ToUserName = requestXML.ToUserName; 
wx.MsgType = requestXML.MsgType; 
wx.Msg = requestXML.Content; 
wx.Creatime = requestXML.CreateTime; 
wx.Location_X = requestXML.Location_X; 
wx.Location_Y = requestXML.Location_Y; 
wx.Label = requestXML.Label; 
wx.Scale = requestXML.Scale; 
wx.PicUrl = requestXML.PicUrl; 
wx.reply = _xml; 
wx.pid = _pid; 
try 
{ 
wx.Add(); 
} 
catch (Exception ex) 
{ 
//wx_logs.MyInsert(ex.Message); 
//ex.message; 
} 
} 
}

Classe de réponse

MODèLE

 #region 微信請求類 RequestXML 
/// <summary> 
/// 微信請求類 
/// </summary> 
public class RequestXML 
{ 
private string toUserName = ""; 
/// <summary> 
/// 消息接收方微信號，一般為公眾平臺賬號微信號 
/// </summary> 
public string ToUserName 
{ 
get { return toUserName; } 
set { toUserName = value; } 
} 
 
private string fromUserName = ""; 
/// <summary> 
/// 消息發(fā)送方微信號 
/// </summary> 
public string FromUserName 
{ 
get { return fromUserName; } 
set { fromUserName = value; } 
} 
 
private string createTime = ""; 
/// <summary> 
/// 創(chuàng)建時間 
/// </summary> 
public string CreateTime 
{ 
get { return createTime; } 
set { createTime = value; } 
} 
 
private string msgType = ""; 
/// <summary> 
/// 信息類型 地理位置:location,文本消息:text,消息類型:image 
/// </summary> 
public string MsgType 
{ 
get { return msgType; } 
set { msgType = value; } 
} 
 
private string content = ""; 
/// <summary> 
/// 信息內(nèi)容 
/// </summary> 
public string Content 
{ 
get { return content; } 
set { content = value; } 
} 
 
private string location_X = ""; 
/// <summary> 
/// 地理位置緯度 
/// </summary> 
public string Location_X 
{ 
get { return location_X; } 
set { location_X = value; } 
} 
 
private string location_Y = ""; 
/// <summary> 
/// 地理位置經(jīng)度 
/// </summary> 
public string Location_Y 
{ 
get { return location_Y; } 
set { location_Y = value; } 
} 
 
private string scale = ""; 
/// <summary> 
/// 地圖縮放大小 
/// </summary> 
public string Scale 
{ 
get { return scale; } 
set { scale = value; } 
} 
 
private string label = ""; 
/// <summary> 
/// 地理位置信息 
/// </summary> 
public string Label 
{ 
get { return label; } 
set { label = value; } 
} 
 
private string picUrl = ""; 
/// <summary> 
/// 圖片鏈接，開發(fā)者可以用HTTP GET獲取 
/// </summary> 
public string PicUrl 
{ 
get { return picUrl; } 
set { picUrl = value; } 
} 
} 
#endregion

En lisant cet article, vous aurez une idée générale de la fa?on dont .net implémente le développement de l'interface de compte public WeChat. J'espère que cet article sera utile à votre étude. .

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