public bool Save(WxTicketType wxTicketType, WxTicket ticket)
{
WxTicket wxTicket = GetWxTicket(wxTicketType);
if (wxTicket == null)
{
wxTicket = new WxTicket();
wxTicket.Key = wxTicketType;
}
wxTicket.Ticket = ticket.Ticket;
wxTicket.ExpireTime = ticket.ExpireTime;
return(base.Save(wxTicket));
}
public async Task <bool> SaveAsync(WxTicketType wxTicketType, WxTicket ticket)
{
WxTicket wxTicket = await GetWxTicketAsync(wxTicketType);
if (wxTicket == null)
{
wxTicket = new WxTicket();
wxTicket.Key = wxTicketType;
}
wxTicket.Ticket = ticket.Ticket;
wxTicket.ExpireTime = ticket.ExpireTime;
return(await base.SaveAsync(wxTicket));
}
public static async Task <WxPayData> GetJSSDKConfig()
{
JsApiConfig jsApiConfig = new JsApiConfig();
string appid = jsApiConfig.AppId;
string secret = jsApiConfig.AppSecret;
string timestamp = WxPayApi.GenerateTimeStamp();
string noncestr = WxPayApi.GenerateNonceStr();
string signature = "";
//签名算法 https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141115
//1. 获取AccessToken（有效期7200秒，开发者必须在自己的服务全局缓存access_token）
WxTicketHelper helper = new WxTicketHelper();
WxTicket wxticket = await helper.GetWxTicketAsync(WxTicketType.ACCESS_TOKEN);
string access_token = string.Empty;
if (wxticket == null || wxticket.ExpireTime < ConvertDateTimeInt(DateTime.Now))
{
string url1 = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid + "&secret=" + secret;
string result = HttpService.Get(url1);
JsonData jd = JsonMapper.ToObject(result);
if (!((System.Collections.IDictionary)jd).Contains("access_token"))
{
LogHelper.Error("access_token is null：" + result);
return(null);
}
access_token = (string)jd["access_token"];
await helper.SaveAsync(WxTicketType.ACCESS_TOKEN, new WxTicket
{
Ticket = access_token,
ExpireTime = ConvertDateTimeInt(DateTime.Now) + 7180
});
}
else
{
access_token = wxticket.Ticket;
}
//2. 用第一步拿到的access_token 采用http GET方式请求获得jsapi_ticket（有效期7200秒，开发者必须在自己的服务全局缓存jsapi_ticket）
wxticket = await helper.GetWxTicketAsync(WxTicketType.TICKET);
string ticket = string.Empty;
if (wxticket == null || wxticket.ExpireTime < ConvertDateTimeInt(DateTime.Now))
{
string url2 = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=" + access_token + "&type=jsapi";
string result2 = HttpService.Get(url2);
JsonData jd2 = JsonMapper.ToObject(result2);
if (!((System.Collections.IDictionary)jd2).Contains("ticket"))
{
return(null);
}
ticket = (string)jd2["ticket"];
await helper.SaveAsync(WxTicketType.TICKET, new WxTicket
{
Ticket = ticket,
ExpireTime = ConvertDateTimeInt(DateTime.Now) + 7180
});
}
else
{
ticket = wxticket.Ticket;
}
//3. 开始签名
Uri uri = HttpContext.Current.Request.Url;
string now_url = (uri.Scheme + "://" + uri.Host + HttpContext.Current.Request.RawUrl).Split('#')[0];
string no_jiami = $"jsapi_ticket={ticket}&noncestr={noncestr}×tamp={timestamp}&url={now_url}";
//SHA1加密
signature = SHA1_Hash(no_jiami);
WxPayData data = new WxPayData();
data.SetValue("appId", appid);
data.SetValue("timestamp", timestamp);
data.SetValue("nonceStr", noncestr);
data.SetValue("signature", signature);
return(data);
}
