public ApiResult GetWxPayJsApiParam([FromBody] PayViewModel payModel)
{
var orderId = payModel.OrderId;
if (orderId.Equals(Guid.Empty))
{
throw new WebApiInnerException("0001", "订单Id不合法");
}
var order = _currencyService.GetSingleById <Order>(orderId);
if (order == null)
{
throw new WebApiInnerException("0002", "订单数据不存在");
}
if (order.PayStatus != PayStatus.Unpaid)
{
throw new WebApiInnerException("0003", "订单状态不合理，无法支付");
}
var payment = _paymentService.LoadPayment(PaymentType.WeiXin.ToString());
if (payment == null || !payment.Enabled)
{
throw new WebApiInnerException("0004", "支付方式不合法或已停用");
}
var paymentDispatcher = HostConstObject.Container.ResolveNamed <IPaymentDispatcher>(payment.Code.ToLower());
if (paymentDispatcher == null)
{
throw new WebApiInnerException("0005", "支付方式不合法");
}
var oath = _currencyService.GetSingleByConditon <UserOAuth>(ua => ua.MemberId == order.MemberId && ua.OAuthType == OAuthType.WeiXin);
if (oath == null)
{
throw new WebApiInnerException("0008", "未绑定微信号，无法支付");
}
var result = new ApiResult();
try
{
var routeParas = new RouteValueDictionary {
{ "area", PaymentProcessModule.Area },
{ "controller", "Receive" },
{ "action", "AsyncReturn" },
{ "paymentCode", payment.Code }
};
var notifyUrl = HostConstObject.HostUrl + _urlHelper.RouteUrl(routeParas);
if (payModel.UseBalance == 1)
{
//使用余额付款
#region
using (TransactionScope scope = new TransactionScope())
{
var cashWallet = _walletService.GetWalletByMemberId(order.MemberId,
Wallet.Models.WalletType.Cash);
if (cashWallet != null && cashWallet.Available > 0)
{
if (cashWallet.Available > order.PayFee)
{
string error;
_walletService.Draw(order.MemberId, Wallet.Models.WalletType.Cash, order.PayFee,
"支付订单" + order.OrderNo, out error);
if (string.IsNullOrWhiteSpace(error))
{
order.BalancePay = order.PayFee;
order.OrderStatus = OrderStatus.WaitingForDelivery;
order.PayStatus = PayStatus.Paid;
order.PayTime = DateTime.Now;
var balancePayment = _paymentService.LoadPayment(PaymentType.Balance.ToString());
order.PaymentId = balancePayment.Id;
order.PaymentName = balancePayment.Name;
_orderService.ChangeOrderStatus(order.Id, order.OrderStatus, order.PayStatus);
_currencyService.Update(order);
}
}
else
{
string error;
_walletService.Draw(order.MemberId, Wallet.Models.WalletType.Cash,
cashWallet.Available,
"支付订单" + order.OrderNo, out error);
if (string.IsNullOrWhiteSpace(error))
{
order.UnpayFee = order.PayFee - cashWallet.Available;
order.BalancePay = cashWallet.Available;
_currencyService.Update(order);
}
}
}
scope.Complete();
}
#endregion
}
var payLog = new PayLog
{
Id = KeyGenerator.GetGuidKey(),
TransactionNo = $"{order.OrderNo}{KeyGenerator.GenerateRandom(1000, 1)}",
OrderId = order.Id,
OrderNo = order.OrderNo,
OrderAmount = order.PayFee,//UnpayFee
PaymentId = payment.Id,
PaymentName = payment.Name,
CreateTime = DateTime.Now,
LogStatus = LogStatus.Unpaid
};
if (!_currencyService.Create(payLog))
{
throw new WebApiInnerException("0007", "生成支付流水失败");
}
string timeStamp = "";
string nonceStr = "";
string paySign = "";
var appId = _configService.Get <WeiXinConfig>().AppId;
var mchId = _configService.Get <WeiXinConfig>().MchId;
var key = _configService.Get <WeiXinConfig>().Key;
//创建支付应答对象
WxRequestHandler packageReqHandler = new WxRequestHandler(null);
//初始化
packageReqHandler.Init();
timeStamp = TenPayV3Util.GetTimestamp();
nonceStr = TenPayV3Util.GetNoncestr();
//设置package订单参数
packageReqHandler.SetParameter("appid", appId); //公众账号ID
packageReqHandler.SetParameter("mch_id", mchId); //商户号
packageReqHandler.SetParameter("nonce_str", nonceStr); //随机字符串
packageReqHandler.SetParameter("body", order.OrderNo); //商品信息
packageReqHandler.SetParameter("out_trade_no", payLog.TransactionNo); //商家订单号
packageReqHandler.SetParameter("total_fee", Convert.ToInt32(order.PayFee * 100).ToString());
//商品金额,以分为单位(money * 100).ToString()
packageReqHandler.SetParameter("spbill_create_ip", "127.0.0.1"); //用户的公网ip，不是商户服务器IP
packageReqHandler.SetParameter("notify_url", notifyUrl); //接收财付通通知的URL
packageReqHandler.SetParameter("trade_type", TenPayV3Type.JSAPI.ToString()); //交易类型
packageReqHandler.SetParameter("openid", oath.OAuthId); //用户的openId
string sign = packageReqHandler.CreateMd5Sign("key", key);
packageReqHandler.SetParameter("sign", sign); //签名
string data = packageReqHandler.ParseXML();
var orderResult = TenPayV3.Unifiedorder(data);
var res = XDocument.Parse(orderResult);
var prepayXml = res.Element("xml").Element("prepay_id");
if (prepayXml == null)
{
Logger.Error("生成微信预付单失败:" + res.ToString());
throw new WebApiInnerException("0009", "生成微信预付单失败");
//res.Element("xml").Element("return_msg").Value;
}
string prepayId = prepayXml.Value;
//设置支付参数
WxRequestHandler paySignReqHandler = new WxRequestHandler(null);
paySignReqHandler.SetParameter("appId", appId);
paySignReqHandler.SetParameter("timeStamp", timeStamp);
paySignReqHandler.SetParameter("nonceStr", nonceStr);
paySignReqHandler.SetParameter("package", $"prepay_id={prepayId}");
paySignReqHandler.SetParameter("signType", "MD5");
paySign = paySignReqHandler.CreateMd5Sign("key", key);
result.SetData(new { appId, timeStamp, nonceStr, package = $"prepay_id={prepayId}", paySign, signType = "MD5", orderid = order.Id, orderType = order.ModuleKey, orderStatus = order.OrderStatus, payStatus = order.PayStatus });
}
catch (Exception ex)
{
Logger.Error(ex, "获取订单支付签名数据失败");
throw new WebApiInnerException("0006", "生成签名数据出现异常");
}
return(result);
}
private ActionResult JsApiPayProcess(string code, string state)
{
var needOath = !code.StartsWith("|");
if (string.IsNullOrEmpty(code))
{
return(Content("您拒绝了授权！"));
}
//获取产品信息
var orderId = state.ToGuid();
if (orderId.Equals(Guid.Empty))
{
return(Content("订单Id不合法！"));
}
var order = _orderService.Load(orderId);
if (order == null)
{
return(Content("订单数据不存在！"));
}
if (order.OrderStatus != OrderStatus.PendingPayment && order.PayStatus != PayStatus.Unpaid)
{
return(Content("订单状态不合理，无法支付！"));
}
var payment = _paymentService.LoadPayment("weixin");
if (payment == null || !payment.Enabled)
{
return(Content("支付方式不合法或已停用！"));
}
string openId;
if (needOath)
{
//通过，用code换取access_token
var openIdResult = OAuthApi.GetAccessToken(AppId, AppSecret, code);
if (openIdResult.errcode != ReturnCode.请求成功)
{
return(Content("错误：" + openIdResult.errmsg));
}
openId = openIdResult.openid;
}
else
{
openId = code.Trim('|');
}
var payLog = new PayLog
{
Id = KeyGenerator.GetGuidKey(),
TransactionNo = $"{order.OrderNo}{KeyGenerator.GenerateRandom(1000, 1)}",
OrderId = order.Id,
OrderNo = order.OrderNo,
OrderAmount = order.UnpayFee,
PaymentId = payment.Id,
PaymentName = payment.Name,
CreateTime = DateTime.Now,
LogStatus = LogStatus.Unpaid
};
if (!_currencyService.Create(payLog))
{
throw new WebApiInnerException("0007", "生成支付流水失败");
}
string timeStamp = "";
string nonceStr = "";
string paySign = "";
//创建支付应答对象
WxRequestHandler packageReqHandler = new WxRequestHandler(null);
//初始化
packageReqHandler.Init();
timeStamp = TenPayV3Util.GetTimestamp();
nonceStr = TenPayV3Util.GetNoncestr();
var routeParas = new RouteValueDictionary {
{ "area", PaymentProcessModule.Area },
{ "controller", "Receive" },
{ "action", "AsyncReturn" },
{ "paymentCode", "WeiXin" }
};
var notifyUrl = HostConstObject.HostUrl + _urlHelper.RouteUrl(routeParas);
//设置package订单参数
packageReqHandler.SetParameter("appid", AppId); //公众账号ID
packageReqHandler.SetParameter("mch_id", MchId); //商户号
packageReqHandler.SetParameter("nonce_str", nonceStr); //随机字符串
packageReqHandler.SetParameter("body", order.OrderNo); //商品信息
packageReqHandler.SetParameter("out_trade_no", payLog.TransactionNo); //商家订单号
packageReqHandler.SetParameter("total_fee", Convert.ToInt32(payLog.OrderAmount * 100).ToString()); //商品金额,以分为单位(money * 100).ToString()
packageReqHandler.SetParameter("spbill_create_ip", Request.UserHostAddress); //用户的公网ip，不是商户服务器IP
packageReqHandler.SetParameter("notify_url", notifyUrl); //接收财付通通知的URL
packageReqHandler.SetParameter("trade_type", TenPayV3Type.JSAPI.ToString()); //交易类型
packageReqHandler.SetParameter("openid", openId); //用户的openId
string sign = packageReqHandler.CreateMd5Sign("key", Key);
packageReqHandler.SetParameter("sign", sign); //签名
string data = packageReqHandler.ParseXML();
#pragma warning disable 618
var result = TenPayV3.Unifiedorder(data);
#pragma warning restore 618
var res = XDocument.Parse(result);
var prepayXml = res.Element("xml").Element("prepay_id");
if (prepayXml == null)
{
return(Content(res.Element("xml").Element("return_msg").Value));
}
string prepayId = prepayXml.Value;
//设置支付参数
WxRequestHandler paySignReqHandler = new WxRequestHandler(null);
paySignReqHandler.SetParameter("appId", AppId);
paySignReqHandler.SetParameter("timeStamp", timeStamp);
paySignReqHandler.SetParameter("nonceStr", nonceStr);
paySignReqHandler.SetParameter("package", $"prepay_id={prepayId}");
paySignReqHandler.SetParameter("signType", "MD5");
paySign = paySignReqHandler.CreateMd5Sign("key", Key);
ViewData["appId"] = AppId;
ViewData["timeStamp"] = timeStamp;
ViewData["nonceStr"] = nonceStr;
ViewData["package"] = $"prepay_id={prepayId}";
ViewData["paySign"] = paySign;
return(null);
}
