微信公众帐号消息帐号接口代码,Asp.Net代码库,德仔网

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【Asp.Net】微信公众帐号消息帐号接口
作者:Dezai.CN / 发布于2013/4/27/ 757

	using System;
	using System.Collections;
	using System.Configuration;
	using System.Data;
	using System.Linq;
	using System.Web;
	using System.Web.Security;
	using System.Web.UI;
	using System.Web.UI.HtmlControls;
	using System.Web.UI.WebControls;
	using System.Web.UI.WebControls.WebParts;
	using System.Xml.Linq;
	using System.Xml;
	using System.IO;
	using System.Text;
	using System.Collections.Generic;
	using System.Net;

	namespace OAuth2Demo
	{
	 public partial class WebForm1 : System.Web.UI.Page
	 {
	 const string Token = "token"; //与那边填写的token一致
	 protected void Page_Load(object sender, EventArgs e)
	 {
	 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))
	 {
	 //封装请求类
	 XmlDocument doc = new XmlDocument();
	 doc.LoadXml(postStr);
	 XmlElement rootElement = doc.DocumentElement;

	 XmlNode MsgType = rootElement.SelectSingleNode("MsgType");

	 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;

	 if (requestXML.MsgType == "text")
	 {
	 requestXML.Content = rootElement.SelectSingleNode("Content").InnerText;
	 }
	 else if (requestXML.MsgType == "location")
	 {
	 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;
	 }
	 else if (requestXML.MsgType == "image")
	 {
	 requestXML.PicUrl = rootElement.SelectSingleNode("PicUrl").InnerText;
	 }

	 //回复消息
	 ResponseMsg(requestXML);
	 }
	 }
	 else
	 {
	 Valid();
	 }
	 }

	 /// <summary>
	 /// 验证微信签名
	 /// </summary>
	 /// * 将token、timestamp、nonce三个参数进行字典序排序
	 /// * 将三个参数字符串拼接成一个字符串进行sha1加密
	 /// * 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。
	 /// <returns></returns>
	 private bool CheckSignature()
	 {
	 string signature = Request.QueryString["signature"];
	 string timestamp = Request.QueryString["timestamp"];
	 string nonce = Request.QueryString["nonce"];
	 string[] ArrTmp = { Token, timestamp, nonce };
	 Array.Sort(ArrTmp); //字典排序
	 string tmpStr = string.Join("", ArrTmp);
	 tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");
	 tmpStr = tmpStr.ToLower();
	 if (tmpStr == signature)
	 {
	 return true;
	 }
	 else
	 {
	 return false;
	 }
	 }

	 private void Valid()
	 {
	 string echoStr = Request.QueryString["echoStr"];
	 if (CheckSignature())
	 {
	 if (!string.IsNullOrEmpty(echoStr))
	 {
	 Response.Write(echoStr);
	 Response.End();
	 }
	 }
	 }

	 /// <summary>
	 /// 回复消息(微信信息返回)
	 /// </summary>
	 /// <param name="weixinXML"></param>
	 private void ResponseMsg(RequestXML requestXML)
	 {
	 try
	 {
	 string resxml = "";
	 if (requestXML.MsgType == "text")
	 {
	 resxml = "<xml><ToUserName><![CDATA[" + requestXML.FromUserName + "]]></ToUserName><FromUserName><![CDATA[" + requestXML.ToUserName + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[正在建设中，稍等时日，更多精彩&hellip;&hellip;]]></Content><FuncFlag>0</FuncFlag></xml>";
	 }
	 else if (requestXML.MsgType == "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[Sorry，没有找到" + city + " 的相关产品信息]]></Content><FuncFlag>0</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[Sorry，这是 " + city + " 的产品信息：圈圈叉叉]]></Content><FuncFlag>0</FuncFlag></xml>";
	 }
	 }
	 else if (requestXML.MsgType == "image")
	 {
	 //返回10以内条
	 int size = 10;
	 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>" + size + "</ArticleCount><Articles>";
	 List<string> list = new List<string>();
	 //假如有20条查询的返回结果
	 for (int i = 0; i < 20; i++)
	 {
	 list.Add("1");
	 }
	 string[] piclist = new string[] { "/Abstract_Pencil_Scribble_Background_Vector_main.jpg", "/balloon_tree.jpg", "/bloom.jpg", "/colorful_flowers.jpg", "/colorful_summer_flower.jpg", "/fall.jpg", "/fall_tree.jpg", "/growing_flowers.jpg", "/shoes_illustration.jpg", "/splashed_tree.jpg" };

	 for (int i = 0; i < size && i < list.Count; i++)
	 {
	 resxml += "<item><Title><![CDATA[沈阳-黑龙江]]></Title><Description><![CDATA[元旦特价：￥300 市场价：￥400]]></Description><PicUrl><![CDATA[" + "http://www.hougelou.com" + piclist[i] + "]]></PicUrl><Url><![CDATA[http://www.hougelou.com]]></Url></item>";
	 }
	 resxml += "</Articles><FuncFlag>1</FuncFlag></xml>";
	 }
	 WriteTxt(resxml);
	 Response.Write(resxml);
	 }
	 catch (Exception ex)
	 {
	 WriteTxt("异常："+ex.Message+"Struck:"+ex.StackTrace.ToString());
	 }
	 }

	

	 /// <summary>
	 /// unix时间转换为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转换为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>
	 /// 记录bug，以便调试
	 /// </summary>
	 /// <returns></returns>
	 public bool WriteTxt(string str)
	 {
	 try
	 {
	 FileStream fs = new FileStream(Server.MapPath("/bugLog.txt"), FileMode.Append);
	 StreamWriter sw = new StreamWriter(fs);
	 //开始写入
	 sw.WriteLine(str);
	 //清空缓冲区
	 sw.Flush();
	 //关闭流
	 sw.Close();
	 fs.Close();
	 }
	 catch (Exception)
	 {
	 return false;
	 }
	 return true;
	 }

	 /// <summary>
	 /// 调用百度地图，返回坐标信息
	 /// </summary>
	 /// <param name="y">经度</param>
	 /// <param name="x">纬度</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为个人申请
	 res = webRequestPost(url, parame);

	 XmlDocument doc = new XmlDocument();

	 doc.LoadXml(res);
	 XmlElement rootElement = doc.DocumentElement;
	 string Status = rootElement.SelectSingleNode("status").InnerText;
	 if (Status == "OK")
	 {
	 //仅获取城市
	 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异常:" + ex.Message.ToString() + "Struck:" + ex.StackTrace.ToString());
	 return "0";
	 }

	 return "0";
	 }

	 /// <summary>
	 /// Post 提交调用抓取
	 /// </summary>
	 /// <param name="url">提交地址</param>
	 /// <param name="param">参数</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())
	 {
	 //在这里对接收到的页面内容进行处理

	 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();
	 }
	 }

	
	 }

	 //微信请求类
	 public class RequestXML
	 {
	 private string toUserName;
	 /// <summary>
	 /// 消息接收方微信号，一般为公众平台账号微信号
	 /// </summary>
	 public string ToUserName
	 {
	 get { return toUserName; }
	 set { toUserName = value; }
	 }

	 private string fromUserName;
	 /// <summary>
	 /// 消息发送方微信号
	 /// </summary>
	 public string FromUserName
	 {
	 get { return fromUserName; }
	 set { fromUserName = value; }
	 }

	 private string createTime;
	 /// <summary>
	 /// 创建时间
	 /// </summary>
	 public string CreateTime
	 {
	 get { return createTime; }
	 set { createTime = value; }
	 }

	 private string msgType;
	 /// <summary>
	 /// 信息类型 地理位置:location,文本消息:text,消息类型:image
	 /// </summary>
	 public string MsgType
	 {
	 get { return msgType; }
	 set { msgType = value; }
	 }

	 private string content;
	 /// <summary>
	 /// 信息内容
	 /// </summary>
	 public string Content
	 {
	 get { return content; }
	 set { content = value; }
	 }

	 private string location_X;
	 /// <summary>
	 /// 地理位置纬度
	 /// </summary>
	 public string Location_X
	 {
	 get { return location_X; }
	 set { location_X = value; }
	 }

	 private string location_Y;
	 /// <summary>
	 /// 地理位置经度
	 /// </summary>
	 public string Location_Y
	 {
	 get { return location_Y; }
	 set { location_Y = value; }
	 }

	 private string scale;
	 /// <summary>
	 /// 地图缩放大小
	 /// </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>
	 /// 图片链接，开发者可以用HTTP GET获取
	 /// </summary>
	 public string PicUrl
	 {
	 get { return picUrl; }
	 set { picUrl = value; }
	 }
	 }
	}
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