wx jssdk

    public static Dictionary<string,string> jsstr(string url)

    {

        //noncestr

        string noncestr=jssdk.GenerateRandom();

        //timestamp

        TimeSpan ts = DateTime.UtcNow - new DateTime(, , , , , , );

        string timestamp = Convert.ToInt64(ts.TotalSeconds).ToString();

        //jsapi_ticket 尝试本地读取

        //{"ticket":"~~~","expires_in":1432785380}

        //^^json格式

        int i=;

        string path=System.Web.HttpContext.Current.Server.MapPath("~/App_Data/jsapi_ticket.txt");

        read_jspai: string json=txtdata.txtread(path);

        string jsapi_ticket=jssdk.rejson(json,"ticket");

        string expires_in=jssdk.rejson(json,"expires_in");

        //jsapi_ticket 是否超时

        if(int.Parse(expires_in)<int.Parse(timestamp))

        {

            //只会调一次接口，避免重复

            if(i==)

            {

                //获取最新 jsapi_ticket_get  --AppID--AppSecret

                string info=jssdk.jsapi_ticket_get("!!!!","@@@@");

                if(info=="ok")

                {

                    i=;

                    goto read_jspai;

                }

            }

        }

        string signaturestr = "jsapi_ticket=" + jsapi_ticket + "&noncestr=" + noncestr + "&timestamp=" + timestamp + "&url=" + url;

        signaturestr=jssdk.SHA1(signaturestr);

        Dictionary<string, string> mydic = new Dictionary<string, string>();

        mydic.Add("appId","wx5b7c682cca621df2");

        mydic.Add("timestamp",timestamp);

        mydic.Add("nonceStr",noncestr);

        mydic.Add("signature", signaturestr);

        return mydic;

    }