/// <summary>
/// 查询订单情况
/// MicroPay.Query
/// </summary>
/// <param name="out_trade_no">商户订单号</param>
/// <param name="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</param>
/// <returns>订单查询接口返回的数据，参见协议接口</returns>
public static WxPayData MicroPayQuery(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);
}
/// <summary>
/// 生成扫描支付模式一URL
/// NativePay.GetPrePayUrl
/// </summary>
/// <param name="productId">商品ID</param>
/// <returns>模式一URL</returns>
public static string GetNativePrePayUrl(string productId)
{
var methodString = TypeString + ".GetNativePrePayUrl";
WxPayLog.Info(methodString, "Native pay mode 1 url is producing...");
WxPayData data = new WxPayData();
data.SetValue("appid", WxPayConfig.APPID); //公众帐号id
data.SetValue("mch_id", WxPayConfig.MCHID); //商户号
data.SetValue("time_stamp", WxPayApi.GenerateTimeStamp()); //时间戳
data.SetValue("nonce_str", WxPayApi.GenerateNonceStr()); //随机字符串
data.SetValue("product_id", productId); //商品ID
data.SetValue("sign", data.MakeSign()); //签名
string str = string.Join("&", data.GetValues().Select(s => string.Format("{0}={1}", s.Key, s.Value))); //转换为URL串
string url = "weixin://wxpay/bizpayurl?" + str;
WxPayLog.Info(methodString, "Get native pay mode 1 url : " + url);
return(url);
}
/**
*
* 测速上报
* @param string interface_url 接口URL
* @param int timeCost 接口耗时
* @param WxPayData inputObj参数数组
*/
private static void ReportCostTime(string interface_url, int timeCost, WxPayData inputObj)
{
//如果不需要进行上报
if (WxPayConfig.REPORT_LEVENL == 0)
{
return;
}
//如果仅失败上报
if (WxPayConfig.REPORT_LEVENL == 1 && inputObj.IsSet("return_code") && inputObj.GetValue("return_code").ToString() == "SUCCESS" &&
inputObj.IsSet("result_code") && inputObj.GetValue("result_code").ToString() == "SUCCESS")
{
return;
}
//上报逻辑
WxPayData data = new WxPayData();
data.SetValue("interface_url", interface_url);
data.SetValue("execute_time_", timeCost);
//返回状态码
if (inputObj.IsSet("return_code"))
{
data.SetValue("return_code", inputObj.GetValue("return_code"));
}
//返回信息
if (inputObj.IsSet("return_msg"))
{
data.SetValue("return_msg", inputObj.GetValue("return_msg"));
}
//业务结果
if (inputObj.IsSet("result_code"))
{
data.SetValue("result_code", inputObj.GetValue("result_code"));
}
//错误代码
if (inputObj.IsSet("err_code"))
{
data.SetValue("err_code", inputObj.GetValue("err_code"));
}
//错误代码描述
if (inputObj.IsSet("err_code_des"))
{
data.SetValue("err_code_des", inputObj.GetValue("err_code_des"));
}
//商户订单号
if (inputObj.IsSet("out_trade_no"))
{
data.SetValue("out_trade_no", inputObj.GetValue("out_trade_no"));
}
//设备号
if (inputObj.IsSet("device_info"))
{
data.SetValue("device_info", inputObj.GetValue("device_info"));
}
try
{
Report(data);
}
catch (WxPayException ex)
{
//不做任何处理
}
}
/**
*
* 统一下单
* @param WxPaydata inputObj 提交给统一下单API的参数
* @param int timeOut 超时时间
* @throws WxPayException
* @return 成功时返回，其他抛异常
*/
public static WxPayData UnifiedOrder(WxPayData inputObj, int timeOut = 6)
{
string url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
//检测必填参数
if (!inputObj.IsSet("out_trade_no"))
{
throw new WxPayException("缺少统一支付接口必填参数out_trade_no！");
}
else if (!inputObj.IsSet("body"))
{
throw new WxPayException("缺少统一支付接口必填参数body！");
}
else if (!inputObj.IsSet("total_fee"))
{
throw new WxPayException("缺少统一支付接口必填参数total_fee！");
}
else if (!inputObj.IsSet("trade_type"))
{
throw new WxPayException("缺少统一支付接口必填参数trade_type！");
}
//关联参数
if (inputObj.GetValue("trade_type").ToString() == "JSAPI" && !inputObj.IsSet("openid"))
{
throw new WxPayException("统一支付接口中，缺少必填参数openid！trade_type为JSAPI时，openid为必填参数！");
}
if (inputObj.GetValue("trade_type").ToString() == "NATIVE" && !inputObj.IsSet("product_id"))
{
throw new WxPayException("统一支付接口中，缺少必填参数product_id！trade_type为JSAPI时，product_id为必填参数！");
}
//异步通知url未设置，则使用配置文件中的url
if (!inputObj.IsSet("notify_url"))
{
inputObj.SetValue("notify_url", WxPayConfig.NOTIFY_URL);//异步通知url
}
inputObj.SetValue("appid", WxPayConfig.APPID); //公众账号ID
inputObj.SetValue("mch_id", WxPayConfig.MCHID); //商户号
inputObj.SetValue("spbill_create_ip", WxPayConfig.IP); //终端ip
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
//签名
inputObj.SetValue("sign", inputObj.MakeSign());
string xml = inputObj.ToXml();
var start = DateTime.Now;
WxPayLog.Debug("WxPayApi", "UnfiedOrder request : " + xml);
string response = WxPayHttpService.Post(xml, url, false, timeOut);
WxPayLog.Debug("WxPayApi", "UnfiedOrder response : " + response);
var end = DateTime.Now;
int timeCost = (int)((end - start).TotalMilliseconds);
WxPayData result = new WxPayData();
result.FromXml(response);
ReportCostTime(url, timeCost, result);//测速上报
return(result);
}
public static void ProcessNativeNotify(HttpContextBase httpContext)
{
var methodString = TypeString + ".ProcessNativeNotify";
WxPayData notifyData = GetNotifyData(httpContext);
//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");
WxPayLog.Info(methodString, "The data WeChat post is error : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.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
{
//统一下单
WxPayData req = new WxPayData();
req.SetValue("body", "test");
req.SetValue("attach", "test");
req.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo());
req.SetValue("total_fee", 1);
req.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
req.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
req.SetValue("goods_tag", "test");
req.SetValue("trade_type", "NATIVE");
req.SetValue("openid", openid);
req.SetValue("product_id", product_id);
unifiedOrderResult = WxPayApi.UnifiedOrder(req);
}
catch (Exception ex)//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");
WxPayLog.Error(methodString, "UnifiedOrder failure : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.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");
WxPayLog.Error(methodString, "UnifiedOrder failure : " + res.ToXml());
httpContext.Response.Write(res.ToXml());
httpContext.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());
WxPayLog.Info(methodString, "UnifiedOrder success , send data to WeChat : " + data.ToXml());
httpContext.Response.Write(data.ToXml());
httpContext.Response.End();
}
/// <summary>
/// 刷卡支付完整业务流程逻辑
/// MicroPay.Run
/// </summary>
/// <param name="body">商品描述</param>
/// <param name="total_fee">总金额</param>
/// <param name="auth_code">支付授权码</param>
/// <returns>刷卡支付结果</returns>
/// <exception cref="WxPayException"></exception>
public static string MicroPay(string body, string total_fee, string auth_code)
{
var methodString = TypeString + ".MicroPay";
WxPayLog.Info(methodString, "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() : "";
WxPayLog.Error(methodString, "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();
WxPayLog.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")
{
WxPayLog.Debug(methodString, "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")
{
WxPayLog.Error(methodString, "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 = MicroPayQuery(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)
{
WxPayLog.Debug(methodString, "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
{
WxPayLog.Error(methodString, "Micropay failure, return micropay result : " + result.ToXml());
return(result.ToPrintStr());
}
}
//确认失败，则撤销订单
WxPayLog.Error(methodString, "Micropay failure, Reverse order is processing...");
if (!MicroPayCancel(out_trade_no))
{
WxPayLog.Error(methodString, "Reverse order failure");
throw new WxPayException("Reverse order failure！");
}
return(result.ToPrintStr());
}
