private string CreatePayPackageAndGetPackageXml(PayInputModel payInput, string nonceStr)
{
int total_fee = Convert.ToInt32(payInput.TotalAmount * 100);
//****************************************************************获取预支付订单编号***********************
PackageParamModel packageDic = new PackageParamModel();
packageDic.AddValue("appid", this.AppId); //应用ID
packageDic.AddValue("mch_id", this._mchId); //商户号
packageDic.AddValue("nonce_str", nonceStr); //随机字符串
packageDic.AddValue("body", payInput.Body); //商品描述 String(128) 做二次支付的时候订单号不能重复 如果要重复 第二次和第一次的商品描述要一样 package.Add("detail",body);//商品详细
packageDic.AddValue("out_trade_no", payInput.OrderId); //商户订单号
packageDic.AddValue("total_fee", total_fee); //支付总金额
packageDic.AddValue("spbill_create_ip", WebHelper.GetRemoteIpAddress()); //终端IP
packageDic.AddValue("notify_url", this._notifyUrl); //通知地址
packageDic.AddValue("trade_type", payInput.TradeType.GetEnumDescription()); //交易类型 小程序使用此类型
packageDic.AddValue("fee_type", "CNY"); //币种，人民币
packageDic.AddValue("attach", payInput.Attach); //自定义参数
if (payInput.TradeType == TradeType.JSAPI)
{
if (payInput.OpenId.IsNullOrEmpty())//用户标识JSAPI毕传
{
throw new WxPayException("JSAPI必须指定OpenId");
}
}
if (!payInput.OpenId.IsNullOrEmpty())
{
packageDic.AddValue("openid", payInput.OpenId);
}
var paySign = WechatCommonUtlis.GetMD5Sign(packageDic, this._appKey);//使用Md5签名
packageDic.AddValue("sign", paySign);
return(packageDic.ToXml());
}
public async Task <Result> PayAsync(PayInputModel input)
{
try
{
var payment = new Data.Models.Payment
{
OrderId = input.OrderId,
TotalPrice = input.TotalPrice
};
var messageData = new PaymentCompletedMessage
{
OrderId = payment.OrderId
};
var message = new Message(messageData);
await this.SaveAsync(payment, message);
await this.publisher.Publish(messageData);
await this.MarkMessageAsPublished(message.Id);
return(Result.Success);
}
catch (Exception e)
{
var errorMessage = "Failed to save order";
this.logger.LogError(e, errorMessage);
return(Result.Failure(new[] { errorMessage }));
}
}
/// <summary>
/// JsApiUnified统一下单 JSAPI一般用于微信浏览器内支付 用于公众号和小程序
/// </summary>
/// <param name="payInput"></param>
/// <returns></returns>
public async Task <PayReturnModel> SubmitUnifiedOrderPay(PayInputModel payInput)
{
string unifiedorderPayUrl = "https://api.mch.weixin.qq.com/pay/unifiedorder";//统一支付地址
string nonceStr = WechatCommonUtlis.GetNonceStr();
var xmlPackage = this.CreatePayPackageAndGetPackageXml(payInput, nonceStr);
string xmlResult = await WebHelper.HttpPostAsync(unifiedorderPayUrl, xmlPackage, null, 10);
return(CreatePayReturnModel(payInput.TradeType, nonceStr, xmlResult));
}