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代码如下，有需要的可以参考： 1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Web; 5 using System.Web.UI; 6 using System.Web.UI.WebControls; 7 using System.Data; 8 using System.IO; 9 using System.Net; 10 using System.Text; 11 using System.Xml; 12 using System.Web.Security; 13 using Newtonsoft.Json.Linq; 14 using System.Net.Security; 15 16 namespace SY.Web.weixinApp 17 { 18 public partial class Token_url : System.Web.UI.Page 19 { 20 protected string Token = "";//你的token 21 22 protected void Page_Load(object sender, EventArgs e) 23 { 24 string postStr = ""; 25 26 if (Request.HttpMethod.ToLower() == "post") 27 { 28 System.IO.Stream s = System.Web.HttpContext.Current.Request.InputStream; 29 30 byte[] b = new byte[s.Length]; 31 32 s.Read(b, 0, (int)s.Length); 33 34 postStr = System.Text.Encoding.UTF8.GetString(b); 35 string _resStr = ""; 36 37 if (!string.IsNullOrEmpty(postStr)) 38 { 39 _resStr = ResponseMsg(postStr); 40 WriteFileLog(postStr); 41 } 42 Response.Write(_resStr); 43 Response.End(); 44 } 45 46 else 47 { 48 Valid(); //正确响应微信发送的Token验证 49 } 50 51 } 52 53 /// <summary> 54 /// 验证微信签名 55 /// </summary> 56 /// * 将token、timestamp、nonce三个参数进行字典序排序 57 /// * 将三个参数字符串拼接成一个字符串进行sha1加密 58 /// * 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。 59 /// <returns></returns> 60 private bool CheckSignature() 61 { 62 63 string signature = Request.QueryString["signature"].ToString(); 64 string timestamp = Request.QueryString["timestamp"].ToString(); 65 string nonce = Request.QueryString["nonce"].ToString(); 66 string[] ArrTmp = { Token, timestamp, nonce }; 67 Array.Sort(ArrTmp); //字典排序 68 string tmpStr = string.Join("", ArrTmp); 69 tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1"); 70 tmpStr = tmpStr.ToLower(); 71 if (tmpStr == signature) 72 { 73 return true; 74 } 75 else 76 { 77 return false; 78 } 79 } 80 81 //正确响应微信发送的Token验证 82 private void Valid() 83 { 84 85 string echoStr = Request.QueryString["echoStr"].ToString(); 86 87 if (CheckSignature()) 88 { 89 if (!string.IsNullOrEmpty(echoStr)) 90 { 91 Response.Write(echoStr); 92 Response.End(); 93 } 94 } 95 96 } 97 98 /// <summary> 99 /// 返回信息结果(微信信息返回) 100 /// </summary> 101 /// <param name="weixinXML"></param> 102 private string ResponseMsg(string weixinXML) 103 { 104 XmlDocument xx = new XmlDocument(); 105 xx.LoadXml(weixinXML); 106 107 XmlNode root = xx.SelectSingleNode("xml"); 108 109 XmlNode _ToName = root.SelectSingleNode("ToUserName"); 110 XmlNode _FromName = root.SelectSingleNode("FromUserName"); 111 XmlNode _CreatTime = root.SelectSingleNode("CreateTime"); 112 XmlNode _MsgType = root.SelectSingleNode("MsgType"); 113 114 #region Click/View 事件处理 115 if (_MsgType.InnerText == "event") 116 { 117 XmlNode _Event = root.SelectSingleNode("Event"); 118 XmlNode _EventKey = root.SelectSingleNode("EventKey"); 119 if (_Event.InnerText == "subscribe") 120 { 121 //关注后返回信息代码 122 _returnStr = "<xml><ToUserName><![CDATA[" + _FromName.InnerText + "]]></ToUserName><FromUserName><![CDATA[" + _ToName.InnerText + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[欢迎关注！]]></Content></xml>"; 123 124 return _returnStr; 125 126 } 127 128 #region click事件 129 if (_Event.InnerText == "CLICK") 130 { 131 132 //请求和客服对话，关键词：rgfw 133 if (_EventKey.InnerText == "rgfw") 134 { 135 //文字信息 136 _returnStr = "<xml><ToUserName><![CDATA[" + _FromName.InnerText + "]]></ToUserName><FromUserName><![CDATA[" + _ToName.InnerText + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[transfer_customer_service]]></MsgType></xml>"; 137 return _returnStr; 138 } 139 else 140 { 141 //关键词：piclist自动回复图文信息 142 if (_EventKey.InnerText == "piclist") 143 { 144 DataTable dt = new DataTable(); 145 dt = dal.GetList(8, "CID=525", "ID desc"); //获取需要回复的图文信息列表 146 StringBuilder sbpic = new StringBuilder(); 147 if (dt != null && dt.Rows.Count > 0) 148 { 149 sbpic.Append("<xml>"); 150 sbpic.AppendFormat("<ToUserName><![CDATA[{0}]]></ToUserName>", _FromName.InnerText); 151 sbpic.AppendFormat("<FromUserName><![CDATA[{0}]]></FromUserName>", _ToName.InnerText); 152 sbpic.AppendFormat("<CreateTime><![CDATA[{0}]]></CreateTime>", ConvertDateTimeInt(DateTime.Now)); 153 sbpic.AppendFormat("<MsgType><![CDATA[{0}]]></MsgType>", "news"); 154 sbpic.AppendFormat("<ArticleCount><![CDATA[{0}]]></ArticleCount>", dt.Rows.Count); 155 sbpic.Append("<Articles>"); 156 foreach (DataRow dr in dt.Rows) 157 { 158 sbpic.Append("<item>"); 159 sbpic.AppendFormat("<Title><![CDATA[{0}]]></Title>", dr["Title"]); //标题 160 sbpic.AppendFormat("<Description><![CDATA[{0}]]></Description>", dr["Des"]); //导读 161 sbpic.AppendFormat("<PicUrl><![CDATA[{0}]]></PicUrl>", "http://www.xxx.com/" + dr["Pic"]); //图片地址url 162 sbpic.AppendFormat("<Url><![CDATA[{0}]]></Url>", "http://www.xxx.com/test.aspx?id=" + dr["ID"]); //原文链接 163 sbpic.Append("</item>"); 164 } 165 166 sbpic.Append("</Articles></xml>"); 167 168 _returnStr = sbpic.ToString(); 169 return _returnStr; 170 } 171 } 172 173 } 174 } 175 #endregion 176 177 } 178 #endregion 179 180 #region View事件 关键词自动回复文字或图片信息处理 181 if (_MsgType.InnerText == "text") 182 { 183 XmlNode _Content = root.SelectSingleNode("Content"); 184 185 //关键词：rgfw请求和客服对话， 186 if (!string.IsNullOrEmpty(_Content.InnerText) && _Content.InnerText == "rgfw") 187 { 188 _returnStr = "<xml><ToUserName><![CDATA[" + _FromName.InnerText + "]]></ToUserName><FromUserName><![CDATA[" + _ToName.InnerText + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[transfer_customer_service]]></MsgType></xml>"; 189 return _returnStr; 190 } 191 else 192 { 193 //文字信息 194 _returnStr = "<xml><ToUserName><![CDATA[" + _FromName.InnerText + "]]></ToUserName><FromUserName><![CDATA[" + _ToName.InnerText + "]]></FromUserName><CreateTime>" + ConvertDateTimeInt(DateTime.Now) + "</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[文字信息]]></Content></xml>"; 195 return _returnStr; 196 } 197 198 } 199 #endregion 200 201 return _returnStr; 202 } 203 204 205 /// <summary> 206 /// unix时间转换为datetime 207 /// </summary> 208 /// <param name="timeStamp"></param> 209 /// <returns></returns> 210 private DateTime UnixTimeToTime(string timeStamp) 211 { 212 DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); 213 long lTime = long.Parse(timeStamp + "0000000"); 214 TimeSpan toNow = new TimeSpan(lTime); 215 return dtStart.Add(toNow); 216 } 217 218 /// <summary> 219 /// datetime转换为unixtime 220 /// </summary> 221 /// <param name="time"></param> 222 /// <returns></returns> 223 private int ConvertDateTimeInt(System.DateTime time) 224 { 225 System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); 226 return (int)(time - startTime).TotalSeconds; 227 } 228 229 /// <summary> 230 /// 写入文件日志 231 /// </summary> 232 /// <param name="strMemo"></param> 233 private void WriteFileLog(string strMemo) 234 { 235 string _filepath = Server.MapPath("/logs"); 236 string _filename = Server.MapPath("/logs/logs.log"); 237 238 if (!Directory.Exists(_filepath)) 239 { 240 Directory.CreateDirectory(_filepath); 241 if (!File.Exists(_filename)) 242 { 243 FileStream fs1 = File.Create(_filename); 244 fs1.Close(); 245 fs1.Dispose(); 246 } 247 } 248 249 //将文件信息读入流中 250 using (FileStream fs = new FileStream(_filename, FileMode.OpenOrCreate | FileMode.Append)) 251 { 252 lock (fs)//锁住流 253 { 254 //if (!fs.CanWrite) 255 //{ 256 // throw new System.Security.SecurityException("文件fileName=" + _filename + "是只读文件不能写入!"); 257 //} 258 259 StreamWriter sw = new StreamWriter(fs); 260 sw.WriteLine(strMemo); 261 sw.Dispose(); 262 sw.Close(); 263 } 264 } 265 266 } 267 268 269 } 270 }
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