/// <summary>
/// 获取jsapi调用凭证
/// </summary>
/// <returns></returns>
private static JsAPIResponse jsapi_ticket(string accesstoken)
{
string url = string.Format("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token={0}&type=jsapi", accesstoken);
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
WebClient Client = new WebClient();
string result = Client.DownloadString(url);
JsAPIResponse ResultObj = Newtonsoft.Json.JsonConvert.DeserializeObject <JsAPIResponse>(result);
return(ResultObj);
}
/// <summary>
/// 获取缓存token
/// </summary>
/// <param name="weixinid"></param>
/// <returns></returns>
public static JsAPIResponse GetTicket(string weixinid)
{
string sql = @"SELECT jsapi_ticket,jsapi_expires_in FROM WeiXinNO WITH(NOLOCK) WHERE WeiXinID=@WeiXinID";
Dictionary <string, DBParam> Dic = new Dictionary <string, DBParam>();
Dic.Add("WeiXinID", new DBParam {
ParamValue = weixinid
});
DataTable dt = SQLHelper.Get_DataTable(sql, SQLHelper.GetCon(), Dic);
JsAPIResponse jsapi = new JsAPIResponse();
if (dt != null && dt.Rows.Count > 0)
{
jsapi.ticket = dt.Rows[0]["jsapi_ticket"].ToString();
string date = dt.Rows[0]["jsapi_expires_in"].ToString();
DateTime Error = new DateTime(1991, 1, 1);
DateTime expires = DateTime.TryParse(date, out Error) ? DateTime.Parse(date) : Error;
jsapi.expires_in = (DateTime.Now - expires).TotalSeconds;
//过期重新生成
if (string.IsNullOrEmpty(date) || jsapi.expires_in >= 7100)
{
//生成调用凭证
var Token = hotel3g.Repository.MemberHelper.GetAccessToken(weixinid);
jsapi = jsapi_ticket(Token.message);
if (jsapi.errcode == 0)
{
//写入数据库
sql = "UPDATE WeiXinNO SET jsapi_ticket=@jsapi_ticket,jsapi_expires_in=GETDATE() WHERE WeiXinID=@WeiXinID";
Dic.Add("jsapi_ticket", new DBParam {
ParamValue = jsapi.ticket
});
int Count = SQLHelper.Run_SQL(sql, SQLHelper.GetCon(), Dic);
}
return(jsapi);
}
return(jsapi);
}
return(new JsAPIResponse()
{
errcode = 1000, errmsg = "查无次账户"
});
}
/// <summary>
/// 获取jssdk 签名配置信息
/// </summary>
/// <param name="weixinID">酒店微信id</param>
/// <param name="LocalUrl">调用jssdk的网页地址</param>
/// <returns></returns>
public static JsApiSignatureResponse JsApiSignature(string weixinID, string LocalUrl)
{
weixinID = "gh_7a64caf61dff";
//获取jsapi缓存凭证
JsAPIResponse ticket = WeiXinJsSdkDAL.GetTicket(weixinID);
JsApiSignatureResponse Signature = new JsApiSignatureResponse();
Signature.jsapi_ticket = ticket.ticket;
//时间戳
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
string timespan = Convert.ToInt64(ts.TotalSeconds).ToString();
Signature.timestamp = timespan;
Signature.noncestr = WeiXinJsSdkDAL.GetRandomString(16, true, true, true, false, "");
Signature.url = LocalUrl;// Request.Url.AbsoluteUri; ;
//字典排序
Dictionary <string, string> Prems = new Dictionary <string, string>();
Prems.Add("jsapi_ticket", Signature.jsapi_ticket);
Prems.Add("noncestr", Signature.noncestr);
Prems.Add("timestamp", Signature.timestamp);
Prems.Add("url", Signature.url);
string PremsStr = "";
foreach (var item in Prems)
{
PremsStr += string.Format("&{0}={1}", item.Key, item.Value);
}
PremsStr = PremsStr.Substring(1);
Signature.signature = GetSHA1(PremsStr, Encoding.UTF8).ToLower();
string sql = "SELECT appid FROM dbo.WeiXinNO WITH(NOLOCK) WHERE WeiXinID=@WeiXinID";
string appid = SQLHelper.Get_Value(sql, SQLHelper.GetCon(), new Dictionary <string, DBParam>()
{
{ "WeiXinID", new DBParam {
ParamValue = weixinID
} }
});
Signature.appid = appid;
return(Signature);
}