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114 行
4.9 KiB
114 行
4.9 KiB
using System;
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using System.Collections.Generic;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.IO;
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namespace WxPayAPI
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{
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/// <summary>
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/// 扫码支付模式一回调处理类
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/// 接收微信支付后台发送的扫码结果，调用统一下单接口并将下单结果返回给微信支付后台
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/// </summary>
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public class NativeNotify : Notify
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{
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public NativeNotify(Page page)
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: base(page)
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{
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}
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public override void ProcessNotify()
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{
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WriteLog("不错");
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WxPayData notifyData = GetNotifyData();
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//检查openid和product_id是否返回
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if (!notifyData.IsSet("openid") || !notifyData.IsSet("product_id"))
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{
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WxPayData res = new WxPayData();
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res.SetValue("return_code", "FAIL");
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res.SetValue("return_msg", "回调数据异常");
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Log.Info(this.GetType().ToString(), "The data WeChat post is error : " + res.ToXml());
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page.Response.Write(res.ToXml());
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page.Response.End();
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}
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//调统一下单接口，获得下单结果
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string openid = notifyData.GetValue("openid").ToString();
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string product_id = notifyData.GetValue("product_id").ToString();
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WxPayData unifiedOrderResult = new WxPayData();
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try
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{
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unifiedOrderResult = UnifiedOrder(openid, product_id);
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}
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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
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{
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WxPayData res = new WxPayData();
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res.SetValue("return_code", "FAIL");
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res.SetValue("return_msg", "统一下单失败");
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Log.Error(this.GetType().ToString(), "UnifiedOrder failure : " + res.ToXml());
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page.Response.Write(res.ToXml());
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page.Response.End();
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}
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//若下单失败，则立即返回结果给微信支付后台
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if (!unifiedOrderResult.IsSet("appid") || !unifiedOrderResult.IsSet("mch_id") || !unifiedOrderResult.IsSet("prepay_id"))
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{
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WxPayData res = new WxPayData();
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res.SetValue("return_code", "FAIL");
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res.SetValue("return_msg", "统一下单失败");
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Log.Error(this.GetType().ToString(), "UnifiedOrder failure : " + res.ToXml());
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page.Response.Write(res.ToXml());
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page.Response.End();
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}
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//统一下单成功,则返回成功结果给微信支付后台
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WxPayData data = new WxPayData();
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data.SetValue("return_code", "SUCCESS");
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data.SetValue("return_msg", "OK");
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data.SetValue("appid", WxPayConfig.APPID);
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data.SetValue("mch_id", WxPayConfig.MCHID);
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data.SetValue("nonce_str", WxPayApi.GenerateNonceStr());
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data.SetValue("prepay_id", unifiedOrderResult.GetValue("prepay_id"));
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data.SetValue("result_code", "SUCCESS");
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data.SetValue("err_code_des", "OK");
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data.SetValue("sign", data.MakeSign());
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Log.Info(this.GetType().ToString(), "UnifiedOrder success , send data to WeChat : " + data.ToXml());
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page.Response.Write(data.ToXml());
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page.Response.End();
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}
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private WxPayData UnifiedOrder(string openId, string productId)
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{
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//统一下单
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WxPayData req = new WxPayData();
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req.SetValue("body", "test");
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req.SetValue("attach", "test");
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req.SetValue("out_trade_no", WxPayApi.GenerateOutTradeNo());
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req.SetValue("total_fee", 1);
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req.SetValue("time_start", DateTime.Now.ToString("yyyyMMddHHmmss"));
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req.SetValue("time_expire", DateTime.Now.AddMinutes(10).ToString("yyyyMMddHHmmss"));
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req.SetValue("goods_tag", "test");
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req.SetValue("trade_type", "NATIVE");
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req.SetValue("openid", openId);
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req.SetValue("product_id", productId);
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WxPayData result = WxPayApi.UnifiedOrder(req);
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return result;
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}
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/// <summary>
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/// 写入日志
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/// </summary>
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/// <param name="readme"></param>
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public void WriteLog(string readme)
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{
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string _Date = System.DateTime.Now.Date.ToString("yyyy-MM-dd");
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StreamWriter dout = new StreamWriter(@"D:/wwwroot/wxpay.ivhua.com/logs/" + _Date + ".txt", true);
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dout.Write("事件：" + readme + " 操作时间：" + System.DateTime.Now.ToString("yyy-MM-dd HH:mm:ss"));
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dout.Write(System.Environment.NewLine); //换行
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dout.Close();
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}
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}
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}
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