支付宝（4）创建界面FaceToFacePayment

using AlipayRelevant;
using Aop.Api.Request;
using Aop.Api.Response;
using Com.Alipay;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
//http://www.cnblogs.com/CigaretteBeauty/
namespace FaceToFacePayment
{
    public partial class Form1 : Form
    {
        public Form1()
        {
　　　　　　　//http://www.cnblogs.com/CigaretteBeauty/
            InitializeComponent();
        }
        NewClass newClass = new NewClass();

        private void button1_Click(object sender, EventArgs e)
        {
　　　　　　　//http://www.cnblogs.com/CigaretteBeauty/
            AlipayTradePrecreateResponse payResponse;
            string result = ScanCode(out payResponse);
            this.textBox1.Text = result;
            pictureBox1.Image = newClass.GenByZXingNet(payResponse.QrCode);
        }
        /// <summary>
        /// 扫码支付
        /// </summary>
        /// <param name="payResponse">返回二维码字符串</param>
        /// <param name="result">返回结果</param>
        private string ScanCode(out AlipayTradePrecreateResponse payResponse)
        {
            //线上联调时，请输入真实的外部订单号。
            string out_trade_no = DateTime.Now.ToString("yyyyMMddHHmmss") + "0000" + (new Random()).Next(1, 10000).ToString();  //商户唯一订单号
            string subject = WIDsubject.Text.Trim();    //商品名称
            string total_amount = WIDamount.Text.Trim();    //金额

            //请根据实际请求需要biz_content参数
            StringBuilder sb = new StringBuilder();
            sb.Append("{\"out_trade_no\":\"" + out_trade_no + "\",");
            sb.Append("\"total_amount\":\"" + total_amount + "\",\"discountable_amount\":\"0.00\",");
            sb.Append("\"subject\":\"" + subject + "\",\"body\":\"test\",");
            sb.Append("\"goods_detail\":[{\"goods_id\":\"items01\",\"goods_name\":\"XX酒店消费\",\"goods_category\":\"000001\",\"price\":\"88.00\",\"quantity\":\"1\"}],");
            sb.Append("\"operator_id\":\"op001\",\"store_id\":\"pudong001\",\"terminal_id\":\"t_001\",");
            string expire_time = System.DateTime.Now.AddHours(1).ToString("yyyy-MM-dd HH:mm:ss");
            sb.Append("\"time_expire\":\"" + expire_time + "\"}");

            payResponse = newClass.Prepay(sb.ToString());
            //以下返回结果的处理供参考。
            //payResponse.QrCode即二维码对于的链接
            //将链接用二维码工具生成二维码打印出来，顾客可以用支付宝钱包扫码支付。
             string result = payResponse.Body;
            if (payResponse != null)
            {
                switch (payResponse.Code)
                {
                    case ResultCode.SUCCESS:
                        System.Console.Write(" 预下单成功");
                        StringBuilder sb1 = new StringBuilder();
                        sb1.Append("{\"out_trade_no\":\"" + out_trade_no + "\"}");
                        break;
                    case ResultCode.FAIL:
                        StringBuilder sb2 = new StringBuilder();
                        sb2.Append("{\"out_trade_no\":\"" + out_trade_no + "\"}");
                        newClass.Cancel(sb2.ToString());
                        break;
                }
            }
            return result;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            this.textBox3.Text = BarCode();
        }

        private string BarCode()
        {
            //线上联调时，请输入真实的外部订单号。
            string out_trade_no = System.DateTime.Now.ToString("yyyyMMddHHmmss") + "0000" + (new Random()).Next(1, 10000).ToString(); //商户唯一订单号

            //线上联调时，请输入真实的条码。

            string auth_code = TXTBarCode.Text.Trim();
            if (String.IsNullOrEmpty(auth_code))
            {
                MessageBox.Show("扫码失败!");
                return "扫码失败";
            }
            string total_amount = TXTMoney.Text.Trim();

            StringBuilder sb = new StringBuilder();
            sb.Append("{\"out_trade_no\":\"" + out_trade_no + "\",");
            sb.Append("\"scene\":\"bar_code\",");
            sb.Append("\"auth_code\":\"" + auth_code + "\",");
            sb.Append("\"total_amount\":\"" + total_amount + "\",\"discountable_amount\":\"0.00\",");
            sb.Append("\"subject\":\"泰能软件-条码支付\",\"body\":\"abc\",");
            sb.Append("\"goods_detail\":[{\"goods_id\":\"items01\",\"goods_name\":\"XX酒店消费\",\"goods_category\":\"000001\",\"price\":\"" + total_amount + "\",\"quantity\":\"1\"}],");
            sb.Append("\"operator_id\":\"op001\",\"store_id\":\"pudong001\",\"terminal_id\":\"t_001\",");

            string expire_time = System.DateTime.Now.AddHours(1).ToString("yyyy-MM-dd HH:mm:ss");
            sb.Append("\"time_expire\":\"" + expire_time + "\"}");

            AlipayTradePayResponse payResponse = newClass.Pay(sb.ToString());

            string result = payResponse.Body;

            if (payResponse != null)
            {

                switch (payResponse.Code)
                {
                    case ResultCode.SUCCESS:
                        System.Console.Write("支付成功");
                        result = payResponse.Body;
                        break;


                    case ResultCode.INRROCESS:
                        StringBuilder sb1 = new StringBuilder();
                        sb1.Append("{\"out_trade_no\":\"" + out_trade_no + "\"}");

                        //根据业务需要，选择是否新起线程进行轮询
                        //ParameterizedThreadStart ParStart = new ParameterizedThreadStart(LoopQuery);
                        //Thread myThread = new Thread(ParStart);
                        //object o = payResponse;
                        //myThread.Start(o);

                        //返回支付处理中，需要进行轮询
                        AlipayTradeQueryResponse queryResponse =newClass.LoopQuery(sb1.ToString());   //用订单号trade_no进行轮询也是可以的。
                        if (queryResponse != null)
                        {
                            result = queryResponse.Body;
                        }
                        break;

                    case ResultCode.FAIL:
                        StringBuilder sb2 = new StringBuilder();
                        sb2.Append("{\"out_trade_no\":\"" + out_trade_no + "\"}");
                        newClass.Cancel(sb2.ToString());
                        break;

                }
            }

            return result;
        }

        private void button3_Click(object sender, EventArgs e)
        {
            StringBuilder sb1 = new StringBuilder();
            sb1.Append("{\"out_trade_no\":\"" + this.textBox2.Text + "\"}");
            AlipayTradeQueryResponse queryResponse = newClass.LoopQuery(sb1.ToString());   //用订单号trade_no进行轮询也是可以的。
            if (queryResponse != null)
            {
                this.textBox4.Text = "\r\n" + queryResponse.Body;
            }
            
        }

        private void button4_Click(object sender, EventArgs e)
        {
            AlipayTradeQueryRequest payRequst = new AlipayTradeQueryRequest();
            AlipayTradeQueryResponse payResponse = null;

            for (int i = 1; i <= 6; i++)
            {
                //Thread.Sleep(5000);
                payResponse = newClass.client.Execute(payRequst);
                if (string.Compare(payResponse.Code, ResultCode.SUCCESS, false) == 0)
                {
                    if (payResponse.TradeStatus == "TRADE_FINISHED"
                        || payResponse.TradeStatus == "TRADE_SUCCESS"
                        || payResponse.TradeStatus == "TRADE_CLOSED")
                        break;
                }
            }
            StringBuilder sb1 = new StringBuilder();
            sb1.Append("{\"out_trade_no\":\"" + this.textBox2.Text + "\"}");
           this.textBox4.Text = newClass.Cancel(sb1.ToString()).Body;
        }

    }

}