public WeChat_Message(string toUserName, string fromUserName, string msgType)
{
this.ToUserName = toUserName;
this.FromUserName = fromUserName;
this.MsgType = msgType;
this.CreateTime = CommonUtilities.generateTimeStamp();
}
public string WxRedPackCreate(string openid, int amount)
{
Random random = new Random();
string mch_billno = "WXREDPACK" + CommonUtilities.generateTimeStamp() + random.Next(1000, 9999);
var result = WxRedPackCreate(openid, amount, mch_billno, "红包发放", "寿全斋", "红包发放", "恭喜获得红包");
return(result);
}
/// <summary>
/// 调用微信JsApiTickets接口，并保存到数据库
/// </summary>
private void generateJsApiTicket()
{
string access_token = getAccessToken();
string urlstring = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + access_token + "&type=jsapi";
Uri url = new Uri(urlstring);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
string jsonresult = new StreamReader(response.GetResponseStream()).ReadToEnd();
JavaScriptSerializer serializer = new JavaScriptSerializer();
Wx_JsApiTicket jat = serializer.Deserialize <Wx_JsApiTicket>(jsonresult);
setWeChatConfigValue(JSAPI_TICKET, jat.ticket);
long jsApiTicketexpires = CommonUtilities.generateTimeStamp() + jat.expires_in;
setWeChatConfigValue(JSAPI_TICKET_TIMESTAMP, jsApiTicketexpires.ToString());
}
/// <summary>
/// 调用微信AccessToken接口,并保存当前AccessToken到数据库
/// </summary>
private void generateAccessToken()
{
string appId = getWeChatConfigValue(APP_ID);
string appSecret = getWeChatConfigValue(APP_SECRET);
string urlstring = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appId + "&secret=" + appSecret;
Uri url = new Uri(urlstring);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
JavaScriptSerializer serializer = new JavaScriptSerializer();
string jsonresult = new StreamReader(response.GetResponseStream()).ReadToEnd();
Wx_AccessToken token = serializer.Deserialize <Wx_AccessToken>(jsonresult);
setWeChatConfigValue(ACCESS_TOKEN, token.access_token);
long accesstokenexpires = CommonUtilities.generateTimeStamp() + token.expires_in;
setWeChatConfigValue(ACCESS_TOKTEN_TIMESTAMP, accesstokenexpires.ToString());
}
/// <summary>
/// 获取AccessToken值并判断是否需要重新获取
/// </summary>
/// <returns>返回AccessToken的值</returns>
public string getAccessToken()
{
string accessToken = getWeChatConfigValue(ACCESS_TOKEN);
string accessTokenExpires = getWeChatConfigValue(ACCESS_TOKTEN_TIMESTAMP);
if (accessToken == "" || accessTokenExpires == "")
{
generateAccessToken();
return(getWeChatConfigValue(ACCESS_TOKEN));
}
else if (CommonUtilities.generateTimeStamp() + 200 > Convert.ToInt64(accessTokenExpires))
{
generateAccessToken();
return(getWeChatConfigValue(ACCESS_TOKEN));
}
else
{
return(accessToken);
}
}
/// <summary>
/// 获取JsApiTicket值并判断是否需要重新获取
/// </summary>
/// <returns>返回JsApiTicket的值</returns>
public string getJsApiTicket()
{
string jsApiTicket = getWeChatConfigValue(JSAPI_TICKET);
string jsApiTicketExpires = getWeChatConfigValue(JSAPI_TICKET_TIMESTAMP);
// 判断是否为空值
if (jsApiTicket == "" || jsApiTicketExpires == "")
{
generateJsApiTicket();
return(getWeChatConfigValue(JSAPI_TICKET));
}
else if (CommonUtilities.generateTimeStamp() + 200 > Convert.ToInt64(jsApiTicketExpires))
{
// 判断是否超时（预留200秒）
generateJsApiTicket();
return(getWeChatConfigValue(JSAPI_TICKET));
}
else
{
return(jsApiTicket);
}
}
