int site_payment_id = 0; //站点支付方式ID
protected void Page_Load(object sender, EventArgs e)
{
WxPayData notifyData = NativePay.GetNotifyData(); //获取微信传过来的参数
if (!notifyData.IsSet("transaction_id"))
{
//若transaction_id不存在，则立即返回结果给微信支付后台
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "支付结果中微信订单号不存在");
Response.Write(res.ToXml());
return;
}
//获取订单信息
string transaction_id = notifyData.GetValue("transaction_id").ToString(); //微信支付订单号
string order_no = notifyData.GetValue("out_trade_no").ToString().ToUpper(); //商户订单号
string total_fee = notifyData.GetValue("total_fee").ToString(); //获取总金额
if (order_no.StartsWith("R")) //充值订单
{
site_payment_id = new BLL.user_recharge().GetPaymentId(order_no);
}
else if (order_no.StartsWith("B")) //商品订单
{
site_payment_id = new BLL.orders().GetPaymentId(order_no);
}
if (site_payment_id == 0)
{
//若订单查询失败，则立即返回结果给微信支付后台
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "订单不存在或已删除");
Response.Write(res.ToXml());
return;
}
//查询订单，判断订单真实性
if (!QueryOrder(transaction_id))
{
//若订单查询失败，则立即返回结果给微信支付后台
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "订单查询失败");
Response.Write(res.ToXml());
return;
}
if (order_no.StartsWith("R")) //充值订单
{
BLL.user_recharge bll = new BLL.user_recharge();
Model.user_recharge model = bll.GetModel(order_no);
if (model == null)
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "该订单号不存在");
Response.Write(res.ToXml());
return;
}
if (model.status == 1) //已成功
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "SUCCESS");
res.SetValue("return_msg", "OK");
Response.Write(res.ToXml());
return;
}
if (model.amount != (decimal.Parse(total_fee) / 100))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "订单金额和支付金额不相符");
Response.Write(res.ToXml());
return;
}
bool result = bll.Confirm(order_no);
if (!result)
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "修改订单状态失败");
Response.Write(res.ToXml());
return;
}
}
else if (order_no.StartsWith("B")) //商品订单
{
BLL.orders bll = new BLL.orders();
Model.orders model = bll.GetModel(order_no);
if (model == null)
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "该订单号不存在");
Response.Write(res.ToXml());
return;
}
if (model.payment_status == 2) //已付款
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "SUCCESS");
res.SetValue("return_msg", "OK");
Response.Write(res.ToXml());
return;
}
if (model.order_amount != (decimal.Parse(total_fee) / 100))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "订单金额和支付金额不相符");
Response.Write(res.ToXml());
return;
}
bool result = bll.UpdateField(order_no, "trade_no='" + transaction_id + "',status=2,payment_status=2,payment_time='" + DateTime.Now + "'");
if (!result)
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "修改订单状态失败");
Response.Write(res.ToXml());
return;
}
//扣除积分
if (model.point < 0)
{
new BLL.user_point_log().Add(model.user_id, model.user_name, model.point, "换购扣除积分，订单号：" + model.order_no, false);
}
}
//返回成功通知
WxPayData res1 = new WxPayData();
res1.SetValue("return_code", "SUCCESS");
res1.SetValue("return_msg", "OK");
Response.Write(res1.ToXml());
return;
}