/// <summary>
/// 微信线上线下统一订单创建
/// </summary>
/// <param name="orderName">订单名称</param>
/// <param name="tradeNo">订单编号</param>
/// <param name="totalPayPrice">订单金额</param>
/// <param name="unionId">用户id，微信登录unionId</param>
/// <param name="createIp">用户设备ip</param>
/// <param name="tradeType">发起支付设备类型</param>
/// <returns>创建错误时，返回null</returns>
public static WxpayPreOrder CreateUinfiedOrder(string orderName, string tradeNo, double totalPayPrice, string unionId, string createIp, int tradeType = (int)EWxpayMethod.APP)
{
//判断支付途径是否有效
if (!Enum.IsDefined(typeof(EWxpayMethod), tradeType))
{
return(null);
}
//创建微信统一下单
WxUnifiedOrder unifiedOrder = new WxUnifiedOrder()
{
//config
appid = WxpayConfig.AppId,
mch_id = WxpayConfig.MerchantId,
notify_url = WxpayConfig.NotifyUrl,
//购买者id
openid = unionId != null && unionId.Length > 0 ? unionId : null,
body = WxpayConfig.AppName + "-" + orderName,
nonce_str = WxpayCore.GetNoncestr(),//
out_trade_no = tradeNo,
spbill_create_ip = createIp,
total_fee = Convert.ToInt32(totalPayPrice * 100),
trade_type = ((EWxpayMethod)tradeType).ToString(),
//null
attach = null,
device_info = null,
};
string proOrder = WxpayCore.GetUnifiedOrderXml(unifiedOrder, WxpayConfig.AppKey);
var result = WxpayCore.PostXmlToUrl(WxpayConfig.UnifiedPayUrl, proOrder);
var xmlInfo = WxpayCore.GetInfoFromXml(result);
//解析成功后返回支付订单
if (xmlInfo.ContainsKey("return_code"))
{
if (xmlInfo["return_code"] == "SUCCESS")
{
SortedDictionary <string, string> sParams = new SortedDictionary <string, string>();
sParams.Add("appid", WxpayConfig.AppId);
sParams.Add("noncestr", WxpayCore.GetNoncestr());
sParams.Add("package", "Sign=WXPay");
sParams.Add("partnerid", WxpayConfig.MerchantId);
sParams.Add("prepayid", xmlInfo["prepay_id"]);
sParams.Add("timestamp", WxpayCore.GetTimestamp());
string sign = WxpayCore.GetSign(sParams, WxpayConfig.AppKey);
sParams.Add("sign", sign);
//写入订单
return(new WxpayPreOrder()
{
appid = sParams["appid"],
noncestr = sParams["noncestr"],
package = sParams["package"],
partnerid = sParams["partnerid"],
prepayid = sParams["prepayid"],
timestamp = sParams["timestamp"],
sign = sParams["sign"],
});
}
}
//失败必然返回错误信息
return(null);
}
/// <summary>
/// 微信退款
/// </summary>
/// <param name="total_fee">退费总金额</param>
/// <param name="tradeNo">订单编号</param>
/// <param name="batch_no">退款批次</param>
/// <param name="mobileNotify">微信支付成功的返回信息</param>
/// <returns></returns>
public static WxpayRefundNotify ReimburseOrder(double total_fee, string tradeNo, string batch_no, WxpayMobileNotify mobileNotify)
{
string postXmlData = WxpayCore.GetRefundOrderXml(mobileNotify, total_fee, batch_no, WxpayConfig.AppKey);
//}{这里需要证书验证才可以申请退款操作
var result = WxpayCore.PostCertXmlToUrl(WxpayConfig.RefundOrderUrl, postXmlData, WxpayConfig.AppCert);
var xmlInfo = WxpayCore.GetInfoFromXml(result);
string serializeStr = Newtonsoft.Json.JsonConvert.SerializeObject(xmlInfo);
WxpayRefundNotify wxpayRefundNotify = Newtonsoft.Json.JsonConvert.DeserializeObject <WxpayRefundNotify>(serializeStr);
return(wxpayRefundNotify);
}