/// <summary>
/// 微信验证成为开发者
/// </summary>
public void Check()
{
try
{
if (Request.HttpMethod.ToUpper() == "GET")
{
string result = string.Empty;
string signature = Request["signature"]; //微信加密签名
string timestamp = Request["timestamp"]; //时间戳
string nonce = Request["nonce"]; //随机数
string echostr = Request["echostr"]; //随机字符串
// 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，成为开发者成 功，否则接入失败。加密 / 校验流程如下：
//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
string[] array = { token, timestamp, nonce };
Array.Sort(array);//字典排序
string newSignature = SHA1(string.Join("", array));
if (newSignature == signature.ToUpper())
{
result = echostr;
}
else
{
result = "Valiate Fail";
}
logger.Info("验证成为开发者:" + result);
Response.Write(result);
}
else
{ //接收微信加密消息
string msg_signature = Request["msg_signature"]; //签名
string timestamp = Request["timestamp"];
string nonce = Request["nonce"];
StreamReader sr = new StreamReader(Request.InputStream, Encoding.UTF8);
string requestXmlMessage = sr.ReadToEnd();
logger.Info("接收微信消息:" + requestXmlMessage);
WXBizMsgCrypt wxcpt = new WXBizMsgCrypt(token, sEncodingAESKey, sAppId);
string sMsg = string.Empty;
wxcpt.DecryptMsg(msg_signature, timestamp, nonce, requestXmlMessage, ref sMsg);
logger.Info("解密后的消息:" + sMsg);
string sMsgType = XmlHelper.getTextByNode(sMsg, "MsgType");
if (sMsgType.ToUpper() != "EVENT")
{
string sOpenId = XmlHelper.getTextByNode(sMsg, "FromUserName");//获取openId
List <string> WaiterInfo = RedisHelper.GetCharValue(CacheType.Session, sOpenId).Split(',').ToList();
if (!string.IsNullOrEmpty(WaiterInfo[0]))
{
//获取客户账号
string OriginId = XmlHelper.getTextByNode(sMsg, "ToUserName");//获取公众号原始ID
long CreateTime = Convert.ToInt64((DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0)).TotalSeconds);
string access_token = WeChatHelper.GetAccessToken();
string KfAccount = WeChatHelper.GetKfAccount(WaiterInfo[0], access_token);
string responeData = string.Format(@"<xml>
<ToUserName><![CDATA[{0}]]></ToUserName>
<FromUserName><![CDATA[{1}]]></FromUserName>
<CreateTime>{2}</CreateTime>
<MsgType><![CDATA[transfer_customer_service]]></MsgType>
<TransInfo>
<KfAccount><![CDATA[{3}]]></KfAccount>
</TransInfo>
</xml>", sOpenId, OriginId, CreateTime, KfAccount);
logger.Info("返回的消息:" + responeData);
//发送模板消息
string openId = WaiterInfo[1];//营业员的OpenId
string Content = XmlHelper.getTextByNode(sMsg, "Content");
SendMessage(openId, Content);
string sEncryptMsg = ""; //xml格式的密文
wxcpt.EncryptMsg(responeData, timestamp, nonce, ref sEncryptMsg); //加密
logger.Info("返回的加密消息:" + sEncryptMsg);
Response.Write(sEncryptMsg);
}
}
else
{
Response.Write(string.Empty);
}
}
}
catch (Exception e)
{
logger.Info("WeiXinController:" + e.Message);
logger.Info(e.Message, e);
Response.Write("System Error!");
}
}