/// <summary>
/// 课程支付
/// </summary>
/// <param name="courseOrder"></param>
/// <returns></returns>
public static PayResult PayCourse(CourseOrderEntity courseOrder)
{
PayResult payResult = new PayResult();
try
{
//获取请求数据
Dictionary <string, string> strParam = new Dictionary <string, string>();
//小程序ID
strParam.Add("appid", LoginHelper.AppID);
//附加数据
strParam.Add("attach", PayEntity.attach);
//商品描述
strParam.Add("body", PayEntity.body);
//商户号
strParam.Add("mch_id", PayEntity.MchId);
//随机字符串
strParam.Add("nonce_str", PayEntity.nonceStr);
//通知地址 (异步接收微信支付结果通知的回调地址，通知url必须为外网可访问的url，不能携带参数。)
strParam.Add("notify_url", PayEntity.notifyUrl);
//商户订单号
string outTradeNo = courseOrder.orderNo;
strParam.Add("out_trade_no", outTradeNo);
//终端IP
strParam.Add("spbill_create_ip", PayEntity.ip);
//标价金额
string totalFee = Convert.ToInt32(courseOrder.orderTotal * 100).ToString();
strParam.Add("total_fee", totalFee);
//交易类型
strParam.Add("trade_type", PayEntity.tradeType);
strParam.Add("sign", PayHelper.GetSignInfo(strParam));
//获取预支付ID
string preInfo = sendPost(PayHelper.CreateXmlParam(strParam));
string strCode = PayHelper.GetXmlValue(preInfo, "return_code");
string strMsg = PayHelper.GetXmlValue(preInfo, "return_msg");
if (strCode == "SUCCESS")
{
//再次签名
string nonecStr = PayEntity.nonceStr;
string timeStamp = PayHelper.getTime().ToString();
Dictionary <string, string> singInfo = new Dictionary <string, string>();
singInfo.Add("appId", LoginHelper.AppID);
singInfo.Add("nonceStr", nonecStr);
singInfo.Add("package", PayEntity.packageStr);
singInfo.Add("signType", "MD5");
singInfo.Add("timeStamp", timeStamp);
//返回参数
payResult.timestamp = timeStamp;
payResult.noncestr = PayEntity.nonceStr;
payResult.package = PayEntity.packageStr;
payResult.sign = PayHelper.GetSignInfo(singInfo);
payResult.partnerid = PayEntity.MchId;
payResult.prepayid = PayHelper.GetXmlValue(preInfo, "prepay_id");
payResult.appid = LoginHelper.AppID;
payResult.code = "200";
return(payResult);
}
else
{
payResult.msg = "获取预支付ID失败";
payResult.code = "201";
return(payResult);
}
}
catch (Exception ex)
{
payResult.msg = ex.Message;
payResult.code = "999";
return(payResult);
}
}
/// <summary>
/// 处理结果通知
/// </summary>
/// <param name="strXml"></param>
/// <returns></returns>
public static string CourseNotify(string strXml)
{
string strResult = string.Empty;
//判断是否请求成功
if (PayHelper.GetXmlValue(strXml, "return_code") == "SUCCESS")
{
//判断是否支付成功
if (PayHelper.GetXmlValue(strXml, "result_code") == "SUCCESS")
{
//获得签名
string getSign = PayHelper.GetXmlValue(strXml, "sign");
//进行签名
string sign = PayHelper.GetSignInfo(PayHelper.GetFromXml(strXml));
if (sign == getSign)
{
//校验订单信息
string payNO = PayHelper.GetXmlValue(strXml, "transaction_id"); //微信订单号
string orderNO = PayHelper.GetXmlValue(strXml, "out_trade_no"); //商户订单号
string orderTotal = PayHelper.GetXmlValue(strXml, "total_fee"); //订单金额
string payDate = PayHelper.GetXmlValue(strXml, "time_end"); //支付完成时间
CourseOrderBLL courseOrderBLL = new CourseOrderBLL();
CourseOrderEntity courseOrderEntity = courseOrderBLL.GetByOrderNO(orderNO);
//校验订单是否存在
if (courseOrderEntity.orderTotal * 100 == Convert.ToDecimal(orderTotal))
{
//2.更新订单的相关状态
if (courseOrderEntity.state == 1)
{
courseOrderEntity.payNo = payNO;
courseOrderEntity.payDate = DateTime.ParseExact(payDate, "yyyyMMddHHmmss", System.Globalization.CultureInfo.CurrentCulture);
courseOrderEntity.state = 2;
courseOrderEntity.modifyDate = DateTime.Now;
courseOrderEntity.realTotal = Convert.ToDecimal(orderTotal) / 100;
courseOrderEntity.payChannel = "微信支付-APP";
int rows = courseOrderBLL.ActionDal.ActionDBAccess.Updateable(courseOrderEntity).ExecuteCommand();
//3.返回一个xml格式的结果给微信服务器
if (rows > 0)
{
strResult = PayHelper.GetReturnXml("SUCCESS", "OK");
}
else
{
strResult = PayHelper.GetReturnXml("FAIL", "订单状态更新失败");
}
}
else
{
strResult = PayHelper.GetReturnXml("SUCCESS", "OK");
}
}
else
{
strResult = PayHelper.GetReturnXml("FAIL", "支付结果中微信订单号数据库不存在！");
}
}
else
{
strResult = PayHelper.GetReturnXml("FAIL", "签名不一致!");
}
}
else
{
strResult = PayHelper.GetReturnXml("FAIL", "支付通知失败!");
}
}
else
{
strResult = PayHelper.GetReturnXml("FAIL", "支付通知失败!");
}
return(strResult);
}