public class Service
{ 
  ITenpayClient tenpay; //微信支付客户端
  IAlipayClient alipay; //支付宝客户端  
  public Service(ITenpayClient _tenpay，IAlipayClient _alipay)
  {
     tenpay=_tenpay;
	 //设置支付api版本
	 tenpay = _tenpay.FirstOrDefault(p => p.Ver == "2");
     alipay=_alipay;
  }
  
  public async Task TestPay()
  {
     //使用支付配置
     tenpay.UseMchId(mchId);
	 var redpack = new RedpacketSendRequest(info.OrderNo,
                    options.MchId,
                    "软商网络",
                    appId,
                    info.OpenId,
                   "感谢您参与优惠活动",
                    "优惠活动",
                    "参与越多得越多",
                    0 - info.WidthdrawalAmount,
                    "PRODUCT_2"
                    );

                var ret = await tenpay.SendAsync<RedpacketSendResponse>(redpack);
  }
}

 "Default": {
   "TenpayMchId": "1425162102", //默认微信支付商户号
   "AppId": "wx7c829604a62b02e8"//默认应用Id
 },
 "Payment": [
   {
     "PaymentStatus": true,
     "PaymentChannel": 1,   //支付渠道类型 1微信支付 2支付宝
     "Rate": 0.6,
     "MchId": "1425162102",  //商户号
     "APIKey": "",   //微信支付APIkey
     "APIKeyV3": "", //微信支付APIkey v3
     "CertPassword": "1425162102",           //证书密码,默认为商户号
     "PrivateKey": "cert\\1425162102\\apiclient_cert.p12", //私钥p12证书路径
     "NotifyUrl": "https://xxx/tenpay/notify/",               //支付回调地址，必须以/结尾
     "MchType": 0
   },
   {
     "PaymentStatus": true,
     "PaymentChannel": 2, //支付渠道类型 1微信支付 2支付宝
     "Rate": 0.6,
     "MchId": "20210021xxxxxxx",
     "PublicKey": "cert\\alipay\\appCertPublicKey_xxxxxxx.crt",  //应用的公钥
     "PrivateKey":"MIIEpAxxxxxxxxxxxxxxxxxx", //应用私钥,使用支付宝密钥工具将生成的私钥转成PKCS1格式后使用
     "PlatformPublicKey": "cert\\alipay\\alipayCertPublicKey_RSA2.crt",
     "PlatformRootCert": "cert\\alipay\\alipayRootCert.crt",
     "NotifyUrl": "/alipay/notify",
     "MchType": "0"
   } 
 ],
  "App": [
    {
      "AppId": "wx4d99cd",
      "MchId": "1487",
      "Token": "",
      "AppSecret": "ab54daa9",
      "PayChannel": "1",
      "Description": "weihuo mp",
      "AppType": 1
    }
  ],
  "AuthKey": [
    {
      "id": "1-c791674b611e",
      "create_date": "2020年04月02日 22:47:40",
      "authkey": "c9a9e5ccaabfdc"
    }
  ]
}