/**
*
* 查询订单情况
* @param string out_trade_no 商户订单号
* @param int succCode 查询订单结果：0表示订单不成功，1表示订单成功，2表示继续查询
* @return 订单查询接口返回的数据，参见协议接口
*/
public static WxPayData Query(string out_trade_no, out int succCode)
{
WxPayData queryOrderInput = new WxPayData();
queryOrderInput.SetValue("out_trade_no", out_trade_no);
WxPayData result = WxPayApi.OrderQuery(queryOrderInput);
if (result.GetValue("return_code").ToString() == "SUCCESS" &&
result.GetValue("result_code").ToString() == "SUCCESS")
{
//支付成功
if (result.GetValue("trade_state").ToString() == "SUCCESS")
{
succCode = 1;
return(result);
}
//用户支付中，需要继续查询
else if (result.GetValue("trade_state").ToString() == "USERPAYING")
{
succCode = 2;
return(result);
}
}
//如果返回错误码为“此交易订单号不存在”则直接认定失败
if (result.GetValue("err_code").ToString() == "ORDERNOTEXIST")
{
succCode = 0;
}
else
{
//如果是系统错误，则后续继续
succCode = 2;
}
return(result);
}
/**
* 刷卡支付完整业务流程逻辑
* @param body 商品描述
* @param total_fee 总金额
* @param auth_code 支付授权码
* @throws WxPayException
* @return 刷卡支付结果
*/
public static string Run(string body, string total_fee, string auth_code)
{
Log.Info("MicroPay", "Micropay is processing...");
WxPayData data = new WxPayData();
data.SetValue("auth_code", auth_code); //授权码
data.SetValue("body", body); //商品描述
data.SetValue("total_fee", int.Parse(total_fee)); //总金额
data.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo()); //产生随机的商户订单号
WxPayData result = WxPayApi.Micropay(data, 10); //提交被扫支付，接收返回结果
//如果提交被扫支付接口调用失败，则抛异常
if (!result.IsSet("return_code") || result.GetValue("return_code").ToString() == "FAIL")
{
string returnMsg = result.IsSet("return_msg") ? result.GetValue("return_msg").ToString() : "";
Log.Error("MicroPay", "Micropay API interface call failure, result : " + result.ToXml());
throw new WxPayException("Micropay API interface call failure, return_msg : " + returnMsg);
}
//签名验证
result.CheckSign();
Log.Debug("MicroPay", "Micropay response check sign success");
//刷卡支付直接成功
if (result.GetValue("return_code").ToString() == "SUCCESS" &&
result.GetValue("result_code").ToString() == "SUCCESS")
{
Log.Debug("MicroPay", "Micropay business success, result : " + result.ToXml());
return(result.ToPrintStr());
}
/******************************************************************
* 剩下的都是接口调用成功，业务失败的情况
* ****************************************************************/
//1）业务结果明确失败
if (result.GetValue("err_code").ToString() != "USERPAYING" &&
result.GetValue("err_code").ToString() != "SYSTEMERROR")
{
Log.Error("MicroPay", "micropay API interface call success, business failure, result : " + result.ToXml());
return(result.ToPrintStr());
}
//2）不能确定是否失败，需查单
//用商户订单号去查单
string out_trade_no = data.GetValue("out_trade_no").ToString();
//确认支付是否成功,每隔一段时间查询一次订单，共查询10次
int queryTimes = 10; //查询次数计数器
while (queryTimes-- > 0)
{
int succResult = 0; //查询结果
WxPayData queryResult = Query(out_trade_no, out succResult);
//如果需要继续查询，则等待2s后继续
if (succResult == 2)
{
Thread.Sleep(2000);
continue;
}
//查询成功,返回订单查询接口返回的数据
else if (succResult == 1)
{
Log.Debug("MicroPay", "Mircopay success, return order query result : " + queryResult.ToXml());
return(queryResult.ToPrintStr());
}
//订单交易失败，直接返回刷卡支付接口返回的结果，失败原因会在err_code中描述
else
{
Log.Error("MicroPay", "Micropay failure, return micropay result : " + result.ToXml());
return(result.ToPrintStr());
}
}
//确认失败，则撤销订单
Log.Error("MicroPay", "Micropay failure, Reverse order is processing...");
if (!Cancel(out_trade_no))
{
Log.Error("MicroPay", "Reverse order failure");
throw new WxPayException("Reverse order failure！");
}
return(result.ToPrintStr());
}
public override void ProcessNotify()
{
WxPayData notifyData = GetNotifyData();
//检查openid和product_id是否返回
if (!notifyData.IsSet("openid") || !notifyData.IsSet("product_id"))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "回调数据异常");
Log.Info(this.GetType().ToString(), "The data WeChat post is error : " + res.ToXml());
page.Response.Write(res.ToXml());
page.Response.End();
}
//调统一下单接口，获得下单结果
string openid = notifyData.GetValue("openid").ToString();
string product_id = notifyData.GetValue("product_id").ToString();
WxPayData unifiedOrderResult = new WxPayData();
try
{
unifiedOrderResult = UnifiedOrder(openid, product_id);
}
catch//若在调统一下单接口时抛异常，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", "统一下单失败");
Log.Error(this.GetType().ToString(), "UnifiedOrder failure : " + res.ToXml());
page.Response.Write(res.ToXml());
page.Response.End();
}
//若下单失败，则立即返回结果给微信支付后台
if (!unifiedOrderResult.IsSet("appid") || !unifiedOrderResult.IsSet("mch_id") || !unifiedOrderResult.IsSet("prepay_id"))
{
WxPayData res = new WxPayData();
res.SetValue("return_code", "FAIL");
res.SetValue("return_msg", "统一下单失败");
Log.Error(this.GetType().ToString(), "UnifiedOrder failure : " + res.ToXml());
page.Response.Write(res.ToXml());
page.Response.End();
}
//统一下单成功,则返回成功结果给微信支付后台
WxPayData data = new WxPayData();
data.SetValue("return_code", "SUCCESS");
data.SetValue("return_msg", "OK");
data.SetValue("appid", WxPayConfig.APPID);
data.SetValue("mch_id", WxPayConfig.MCHID);
data.SetValue("nonce_str", WxPayApi.GenerateNonceStr());
data.SetValue("prepay_id", unifiedOrderResult.GetValue("prepay_id"));
data.SetValue("result_code", "SUCCESS");
data.SetValue("err_code_des", "OK");
data.SetValue("sign", data.MakeSign());
Log.Info(this.GetType().ToString(), "UnifiedOrder success , send data to WeChat : " + data.ToXml());
page.Response.Write(data.ToXml());
page.Response.End();
}