/// <summary>
/// 微信支付回调
/// </summary>
/// <returns></returns>
public string wx()
{
Stream s = System.Web.HttpContext.Current.Request.InputStream;
byte[] b = new byte[s.Length];
s.Read(b, 0, (int)s.Length);
string postStr = Encoding.UTF8.GetString(b);
//解析xml
WxPayData notifyData = new WxPayData();
try
{
notifyData.FromXml(postStr);
}
catch (WxPayException ex)
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", ex.Message);
return(res.ToXml());
}
//检查xml数据
if (!notifyData.IsSet("transaction_id") || !notifyData.IsSet("total_fee") || !notifyData.IsSet("out_trade_no"))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "缺少参数");
return(res.ToXml());
}
string transaction_id = notifyData.GetValue("transaction_id").ToString();
string out_trade_no = notifyData.GetValue("out_trade_no").ToString();
int total_fee = Convert.ToInt32(notifyData.GetValue("total_fee"));
//保存日志文件
System.IO.File.WriteAllText(Server.MapPath($"~/wxpaylog/{out_trade_no}.txt"), postStr);
//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");
return(res.ToXml());
}
//执行存储过程-发货
using (shhouseEntities ent = new shhouseEntities())
{
try
{
ObjectParameter payresult = new ObjectParameter("payresult", typeof(int));
ObjectParameter state = new ObjectParameter("state", typeof(int));
ObjectParameter msg = new ObjectParameter("msg", typeof(string));
ent.order_pay_jjr2018(out_trade_no, 2, total_fee, payresult, state, msg);
int _state = (int)state.Value;
if (_state == 1)
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "SUCCESS");
res.SetValue("return_msg", "OK");
return(res.ToXml());
}
else
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "订单处理失败");
return(res.ToXml());
}
}
catch (Exception e)
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", e.Message);
return(res.ToXml());
}
}
}
