//獲取jssdk配置
public IActionResult GetJSSDKConfig()
{
    string appid = ""; // appid
    string secret = ""; //appsecret
    string timestamp = GenerateTimeStamp();//時(shí)間戳
    string noncestr = GenerateNonceStr();//隨機(jī)字符串
    string signature = "";//簽名
    string url1 = $"https://api.weixin.qq.com/cgi-bin/token?    grant_type=client_credential&appid={appid}&secret={secret}";//獲取token
    string result = Get(url1);//get請(qǐng)求
    JsonData jd = JsonMapper.ToObject(result);
    string access_token = (string)jd["access_token"];
    //拿到的access_token 采用http GET方式請(qǐng)求獲得jsapi_ticket（有效期7200    秒，開(kāi)發(fā)者必須在自己的服務(wù)全局緩存jsapi_ticket）
    string url2 = $"https://api.weixin.qq.com/cgi-bin/ticket/getticket? access_token={access_token}&type=jsapi";//開(kāi)發(fā)者臨時(shí)票據(jù)
    string result2 = Get(url2);
    JsonData jd2 = JsonMapper.ToObject(result2);
    string ticket = (string)jd2["ticket"];
    //3. 開(kāi)始簽名
    string now_url = Get("nowUrl", "");
    string no_jiami = $"jsapi_ticket={ticket}&noncestr={noncestr}&timestamp={timestamp}&url={now_url}";
    //SHA1加密
    signature = EncryHelper.SHA1_Encrypt(no_jiami);
    var newData = new
        {
            appid,
            timestamp,
            noncestr,
            signature
         };
}


// 生成時(shí)間戳，標(biāo)準(zhǔn)北京時(shí)間，時(shí)區(qū)為東八區(qū)，自1970年1月1日 0點(diǎn)0分0秒以來(lái)的秒數(shù)
public  string GenerateTimeStamp()
{
    TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
    return Convert.ToInt64(ts.TotalSeconds).ToString();
}

// 生成隨機(jī)串，隨機(jī)串包含字母或數(shù)字
public static string GenerateNonceStr()
{
    return Guid.NewGuid().ToString().Replace("-", "");
}