public WxPayData GetNotifyData()
{
//接收从微信后台POST过来的数据
System.IO.Stream s = context.Request.InputStream;
int count = 0;
byte[] buffer = new byte[1024];
StringBuilder builder = new StringBuilder();
while ((count = s.Read(buffer, 0, 1024)) > 0)
{
builder.Append(Encoding.UTF8.GetString(buffer, 0, count));
}
s.Flush();
s.Close();
s.Dispose();
//转换数据格式并验证签名
WxPayData data = new WxPayData();
try
{
data.FromXml(builder.ToString());
}
catch (WxPayException ex)
{
log4net.LogHelper.WriteError(this.GetType(), new Exception($"微信支付回调签名错误:{ex.Message}"));
//若签名错误，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", ex.Message);
context.Response.Write(res.ToXml());
context.Response.End();
}
return(data);
}
/// <summary>
/// 抛弃使用（用GetUnifiedOrderResult）
/// </summary>
/// <param name="setting"></param>
/// <param name="morder"></param>
/// <param name="notify_url"></param>
/// <returns></returns>
public WxPayData GetUnifiedOrderResultByCity(PayCenterSetting setting, CityMorders morder, string notify_url)
{
//统一下单
string out_trade_no = morder.orderno;//商户订单号
if (string.IsNullOrEmpty(morder.orderno))
{
throw new WxPayException("UnifiedOrder response error!");
}
string body = string.Empty;
if (!string.IsNullOrEmpty(morder.ShowNote))
{
body = morder.ShowNote;
}
else
{
string paytype = string.Empty;
switch (morder.OrderType)
{
case (int)ArticleTypeEnum.MiniappGoods:
paytype = "小程序电商模板订单";
break;
case (int)ArticleTypeEnum.MiniappFoodGoods:
paytype = "小程序餐饮模板订单";
break;
case (int)ArticleTypeEnum.MiniappSaveMoneySet:
paytype = "小程序餐饮储值";
break;
case (int)ArticleTypeEnum.MiniappBargain:
paytype = "小程序砍价";
break;
case (int)ArticleTypeEnum.MiniappEnt:
paytype = "小程序专业版";
break;
case (int)ArticleTypeEnum.MiniappWXDirectPay:
paytype = "小程序直接微信转账";
break;
case (int)ArticleTypeEnum.PlatChildOrderPay:
paytype = "平台子模版支付";
break;
case (int)ArticleTypeEnum.PlatChildOrderInPlatPay:
paytype = "子模版订单平台支付";
break;
}
body = string.Format("支付中心，{0}支付{1}元", paytype, (morder.payment_free * 0.01)); //商品描述;
}
string attach = string.Format("paytype={0}&orderid={1}&orderno={2}&from=city", morder.OrderType, morder.Id, morder.orderno); //自带的信息
//统一下单
WxPayData data = new WxPayData();
data.SetValue("body", body);
data.SetValue("attach", attach);
data.SetValue("out_trade_no", out_trade_no);
data.SetValue("total_fee", total_fee);
data.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
data.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
data.SetValue("goods_tag", "test");
data.SetValue("trade_type", "JSAPI");
data.SetValue("openid", openid);
data.SetValue("notify_url", notify_url);
WxPayData result = WxPayApi.UnifiedOrder(data, setting);
if (result != null && (!result.IsSet("appid") || !result.IsSet("prepay_id") || !result.IsSet("prepay_id")))
{
throw new WxPayException(result.ToJson());
}
unifiedOrderResult = result;
return(result);
}
/// <summary>
/// 返回是否关闭成功
/// </summary>
/// <param name="setting"></param>
/// <param name="morder"></param>
/// <param name="notify_url"></param>
/// <returns></returns>
public bool CloseCityMorder(int citymorederId, ref string errorMsg)
{
CityMorders morder = new CityMordersBLL().GetModel(citymorederId);
if (morder == null)
{
errorMsg = "未找到citymorder订单";
return(false);
}
PayCenterSetting setting = PayCenterSettingBLL.SingleModel.GetPayCenterSetting(morder.appid);
if (setting == null)
{
errorMsg = "未找到用户的商户配置";
return(false);
}
string out_trade_no = morder.orderno;//商户订单号
if (string.IsNullOrEmpty(morder.orderno))
{
return(false);
}
WxPayData data = new WxPayData();
data.SetValue("out_trade_no", out_trade_no);
WxPayData result = WxPayApi.CloseOrder(data, setting);
if (result == null || !result.GetValue("return_code").ToString().Equals("SUCCESS"))
{
errorMsg = "请求关闭订单失败,原因为：";
switch (data.GetValue("return_code").ToString())
{
case "ORDERPAID":
errorMsg += "订单已支付，不能发起关单";
break;
case "SYSTEMERROR":
errorMsg += "系统异常，请重新调用该API";
break;
case "ORDERCLOSED":
errorMsg += "订单已关闭，无法重复关闭";
break;
case "SIGNERROR":
errorMsg += "签名错误";
break;
case "REQUIRE_POST_METHOD":
errorMsg += "未使用post传递参数";
break;
case "XML_FORMAT_ERROR":
errorMsg += "XML格式错误";
break;
}
return(false);
}
return(true);
}
/// <summary>
/// 统一下单
/// </summary>
/// <param name="inputObj">提交给统一下单API的参数</param>
/// <param name="timeOut">超时时间</param>
/// <returns></returns>
public static WxPayData UnifiedOrder(WxPayData inputObj, PayCenterSetting setting, int timeOut = 60, bool livePay = false)
{
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") || string.IsNullOrEmpty(inputObj.GetValue("notify_url").ToString()))
{
inputObj.SetValue("notify_url", WxPayConfig.NOTIFY_URL);//异步通知url
}
if (livePay)
{
inputObj.SetValue("notify_url", inputObj.GetValue("notify_url").ToString().Replace("/pay/", "/live/"));//异步通知url,直播要跳到直播回调
}
string appid = WxPayConfig.APPID;
string mch_id = WxPayConfig.MCHID;
string key = string.Empty;
if (setting != null && setting.Id > 0)
{
appid = setting.Appid;
mch_id = setting.Mch_id;
key = setting.Key;
}
inputObj.SetValue("appid", appid); //公众账号ID
inputObj.SetValue("mch_id", mch_id); //商户号
inputObj.SetValue("spbill_create_ip", WxPayConfig.IP); //终端ip
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
//log4net.LogHelper.WriteInfo(typeof(WxPayApi), inputObj.ToJson());
//签名
inputObj.SetValue("sign", inputObj.MakeSign(key));
string xml = inputObj.ToXml();
string response = WxHelper.Post(xml, url, false, setting, timeOut);
//log4net.LogHelper.WriteInfo(typeof(WxPayApi), "UnifiedOrder().response=" + response);
WxPayData result = new WxPayData();
result.FromXml(response);
return(result);
}
/// <summary>
/// 企业付款
/// </summary>
/// <param name="inputObj">企业付款接口的参数</param>
/// <param name="timeOut">企业付款接口超时时间</param>
/// <returns></returns>
public static WxPayData CompanyPay(WxPayData inputObj, PayCenterSetting setting, int timeOut = 20)
{
string url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers";
string appid = WxPayConfig.APPID;
string mch_id = WxPayConfig.MCHID;
string key = string.Empty;
if (setting != null && setting.Id > 0)
{
appid = setting.Appid;
mch_id = setting.Mch_id;
key = setting.Key;
}
inputObj.SetValue("mch_appid", appid); //公众账号ID
inputObj.SetValue("mchid", mch_id); //商户号
inputObj.SetValue("spbill_create_ip", WxPayConfig.IP); //IP
inputObj.SetValue("nonce_str", GenerateNonceStr()); //随机字符串
inputObj.SetValue("check_name", "NO_CHECK"); //校验用户姓名,不需要校验,必选项，可选类型有:
inputObj.SetValue("sign", inputObj.MakeSign(key)); //签名
//NO_CHECK：不校验真实姓名
//FORCE_CHECK：强校验真实姓名（未实名认证的用户会校验失败，无法转账）
//OPTION_CHECK：针对已实名认证的用户才校验真实姓名（未实名认证用户不校验，可以转账成功）
// log4net.LogHelper.WriteInfo(typeof(CompanyPay), "用户提现请求参数：" + inputObj.ToJson());
DrawcashResult drawresult = new DrawcashResult();
if (setting != null)
{
drawresult.mch_id = setting.Mch_id;
drawresult.appid = setting.Appid;
}
//检测必填参数
if (!inputObj.IsSet("mch_appid"))
{
throw new WxPayException("企业付款中，公众账号appID必填！");
}
if (!inputObj.IsSet("mchid"))
{
throw new WxPayException("企业付款中，微信支付分配的商户号mchid必填！");
}
if (!inputObj.IsSet("nonce_str"))
{
throw new WxPayException("企业付款中，随机字符串nonce_str必填！");
}
else
{
drawresult.nonce_str = inputObj.GetValue("nonce_str").ToString();
}
if (!inputObj.IsSet("sign"))
{
throw new WxPayException("企业付款中，签名sign必填！");
}
else
{
drawresult.sign = inputObj.GetValue("sign").ToString();
}
if (!inputObj.IsSet("partner_trade_no"))
{
throw new WxPayException("企业付款中，商户订单号partner_trade_no必填！");
}
else
{
drawresult.partner_trade_no = inputObj.GetValue("partner_trade_no").ToString();
}
if (!inputObj.IsSet("openid"))
{
throw new WxPayException("企业付款中，用户openid必填！");
}
else
{
drawresult.openid = inputObj.GetValue("openid").ToString();
}
string error = string.Empty;
//if (new DrawBackUserBLL().CheckEnable(0, 0, drawresult.openid))
//{
// throw new WxPayException("黑名单！");
//}
if (!inputObj.IsSet("check_name"))
{
throw new WxPayException("企业付款中，校验用户姓名check_name必填！");
}
else
{
drawresult.check_name = inputObj.GetValue("check_name").ToString();
}
if (!inputObj.IsSet("amount"))
{
throw new WxPayException("企业付款中，金额amount必填！");
}
else
{
drawresult.amount = Convert.ToInt32(inputObj.GetValue("amount").ToString());
}
if (!inputObj.IsSet("desc"))
{
throw new WxPayException("企业付款中，企业付款描述信息desc必填！");
}
else
{
drawresult.desc = inputObj.GetValue("desc").ToString();
if (inputObj.GetValue("desc").ToString().Length >= 50)
{
inputObj.SetValue("desc", inputObj.GetValue("desc").ToString().Substring(0, 46) + "...");
}
}
if (!inputObj.IsSet("spbill_create_ip"))
{
throw new WxPayException("企业付款中，Ip地址spbill_create_ip必填！");
}
else
{
drawresult.spbill_create_ip = inputObj.GetValue("spbill_create_ip").ToString();
}
if (inputObj.IsSet("re_user_name"))
{
drawresult.re_user_name = inputObj.GetValue("re_user_name").ToString();
}
string xml = inputObj.ToXml();
drawresult.CreateTime = DateTime.Now;
//post之前，增加记录
int id = Convert.ToInt32(DrawcashResultBLL.SingleModel.Add(drawresult));
drawresult.id = id;
//
try
{
string response = WxHelper.Post(xml, url, true, setting, 30);
if (string.IsNullOrEmpty(response))
{
return(null);
}
WxPayData result = new WxPayData();
result.FromXml(response, false);
if (result != null)
{
drawresult.return_code = result.GetValue("return_code") == null ? "" : result.GetValue("return_code").ToString();
drawresult.return_msg = result.GetValue("return_msg") == null ? "" : result.GetValue("return_msg").ToString();
drawresult.nonce_str = result.GetValue("nonce_str") == null ? "" : result.GetValue("nonce_str").ToString();
drawresult.result_code = result.GetValue("result_code") == null ? "" : result.GetValue("result_code").ToString();
drawresult.err_code = result.GetValue("err_code") == null ? "" : result.GetValue("err_code").ToString();
drawresult.err_code_des = result.GetValue("err_code_des") == null ? "" : result.GetValue("err_code_des").ToString();
drawresult.payment_time = DateTime.Now;
drawresult.payment_no = result.GetValue("payment_no") == null ? "" : result.GetValue("payment_no").ToString();
DrawcashResultBLL.SingleModel.Update(drawresult);
}
return(result);
}
catch (Exception ex)
{
log4net.LogHelper.WriteError(typeof(WxPayApi), new Exception("提现出现错误，错误信息：" + ex.Message));
return(null);
}
}
public override void ProcessNotify()
{
try
{
WxPayData notifyData = GetNotifyData();
//检查支付结果中transaction_id是否存在
if (!notifyData.IsSet("transaction_id") || !notifyData.IsSet("appid"))
{
//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");
log4net.LogHelper.WriteError(GetType(), new Exception("transaction_id不存在 : " + res.ToXml()));
context.Response.Write(res.ToXml());
context.Response.End();
return;
}
string transactionId = notifyData.GetValue("transaction_id").ToString();
//别删该日志
log4net.LogHelper.WriteInfo(this.GetType(), $"微信支付回调返回：{transactionId}");
string appid = notifyData.GetValue("appid").ToString();
PayCenterSetting setting = PayCenterSettingBLL.SingleModel.GetPayCenterSetting(appid);
//增加重复回调判断
int re = RedisUtil.Get <int>(string.Format(MemCacheKey.ProcessNotify, transactionId));
if (re != 0)
{
return;
}
RedisUtil.Set(string.Format(MemCacheKey.ProcessNotify, transactionId), 1, TimeSpan.FromMinutes(30));
//查询订单，判断订单真实性
if (!QueryOrder(transactionId, setting))
{
//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");
log4net.LogHelper.WriteError(GetType(), new Exception("订单查询失败: " + notifyData.ToJson()));
context.Response.Write(res.ToXml());
context.Response.End();
}
//查询订单成功
else
{
//说付款成功：插入记录
//这里要注意，微信通知过来之后，15秒之内没有给微信回复处理状态，微信还会第二次，第三次通知。
//带过来的信息一模一样，所以这要做标志判断，万一处理过程出现问题没有给微信回复。
//在以后多次请求的时候避免多次进行业务处理,插入多条记录
PayResult result = notifyData.ToPayResult();
if (result == null)
{
return;
}
int id = Convert.ToInt32(PayResultBLL.SingleModel.Add(result));//插入记录，论坛，直播、有约
result.Id = id;
NotifyOper(result);
}
}
catch (Exception ex)
{
log4net.LogHelper.WriteError(typeof(ResultNotify), ex);
}
finally
{
//最后要给微信放回接收成功数据，不然微信会连续多次发送同样请求
WxPayData res = new WxPayData();
res.SetValue("return_code", "SUCCESS");
res.SetValue("return_msg", "OK");
context.Response.Write(res.ToXml());
context.Response.End();
}
}