- 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"; //與那邊填寫的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))
- {
- //封裝請求類
- 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;
- }
- //回覆消息
- ResponseMsg(requestXML);
- }
- }
- else
- {
- Valid();
- }
- }
- /// <summary>
- /// 驗證微信簽名
- /// </summary>
- /// * 將token、timestamp、nonce三個參數進行字典序排序
- /// * 將三個參數字符串拼接成一個字符串進行sha1加密
- /// * 開發者獲得加密後的字符串可與signature對比,標識該請求來源於微信。
- /// <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>
- /// 回覆消息(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[正在建設中,稍等時日,更多精彩……]]></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,沒有找到" + city + " 的相關產品信息]]></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,這是 " + city + " 的產品信息:圈圈叉叉]]></Content><FuncFlag>0</FuncFlag></xml>";
- }
- }
- else if (requestXML.MsgType == "image")
- {
- //返回10以內條
- 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條查詢的返回結果
- 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[瀋陽-黑龍江]]></Title><Description><![CDATA[元旦特價:¥300 市場價:¥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("異常:"+ex.Message+"Struck:"+ex.StackTrace.ToString());
- }
- }
- /// <summary>
- /// unix時間轉換爲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轉換爲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>
- /// 記錄bug,以便調試
- /// </summary>
- /// <returns></returns>
- public bool WriteTxt(string str)
- {
- try
- {
- FileStream fs = new FileStream(Server.MapPath("/bugLog.txt"), FileMode.Append);
- StreamWriter sw = new StreamWriter(fs);
- //開始寫入
- sw.WriteLine(str);
- //清空緩衝區
- sw.Flush();
- //關閉流
- sw.Close();
- fs.Close();
- }
- catch (Exception)
- {
- return false;
- }
- return true;
- }
- /// <summary>
- /// 調用百度地圖,返回座標信息
- /// </summary>
- /// <param name="y">經度</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爲個人申請
- 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</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())
- {
- //在這裏對接收到的頁面內容進行處理
- 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();
- }
- }
- }
- //微信請求類
- public class RequestXML
- {
- private string toUserName;
- /// <summary>
- /// 消息接收方微信號,一般爲公衆平臺賬號微信號
- /// </summary>
- public string ToUserName
- {
- get { return toUserName; }
- set { toUserName = value; }
- }
- private string fromUserName;
- /// <summary>
- /// 消息發送方微信號
- /// </summary>
- public string FromUserName
- {
- get { return fromUserName; }
- set { fromUserName = value; }
- }
- private string createTime;
- /// <summary>
- /// 創建時間
- /// </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,開發者可以用HTTP GET獲取
- /// </summary>
- public string PicUrl
- {
- get { return picUrl; }
- set { picUrl = value; }
- }
- }
- }
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