C#在线网络售票程序

设计在线网络售票程序。多人在多台售票机(客户端)上通过网络买票，要求如下： 总票数（>5000）存储在服务器端，各个客户端通过TCP协议将买票数（<100）发送到服务器。 服务器可以同时监听多个客户端的买票请求并执行。 如果售票数量超过现有票数，则这次售票被拒绝，服务器将拒绝信息发给客户端。 服务器显示各个连接的客户端的IP地址和端口号，买票数量及每次买票后的余票。 为了各个客户端的同步，要求用lock语句对服务器端的卖票代码加锁。 客户端显示买票前后的服务器剩余总票数。

using System;
using System.Text;
using System.Net.Sockets;
using System.Net;

namespace shiyan3_SocketClient_91403090101
{
    class Program
    {
        private static byte[] result = new Byte[1024];
        static void Main（string[] args）
        {
            int tmp;//用于判断输入的数字
            String input;//用于判断是否退出程序

            //服务器IP地址
            IPAddress ip = IPAddress.Parse（“127.0.0.1“）;
            Socket clientSocket = new Socket（AddressFamily.InterNetwork SocketType.Stream ProtocolType.Tcp）;
            try
            {
                clientSocket.Connect（new IPEndPoint（ip 8012））;
                Console.WriteLine（“连接服务器成功“）;
            }
            catch
            {
                Console.WriteLine（“连接服务器失败请按回车键退出“）;
                return;
            }

            //通过clientSocket接收数据
            int receiveLength = clientSocket.Receive（result）;
            Console.WriteLine（“\n“ + “服务器剩余票数:“ + Encoding.Unicode.GetString（result 0 receiveLength））;
        L1: Console.Write（“请输入需要购买的票数：“）;
            String piao = Console.ReadLine（）;//piao:购买的票数
            //判断是否输入正确
            if （!int.TryParse（piao out tmp））
            {
                Console.WriteLine（“\n/***请输入数字***/\n“）;
                goto L1;
            }
            else if （int.Parse（piao） < 1 || int.Parse（piao） > 100）
            {
                Console.WriteLine（“\n/***至少购买1张票，最多购买100张票***/\n“）;
                goto L1;
            }

            // 通过clientSocket发送数据
            try
            {
                clientSocket.Send（Encoding.Unicode.GetBytes（piao））;
                Console.WriteLine（“正在提交......“）;
                receiveLength = clientSocket.Receive（result）;
                Console.WriteLine（“\n“ + Encoding.Unicode.GetString（result 0 receiveLength） + “\n“）;
                Console.WriteLine（“/***是否还要继续购票***/\n“ + “\n 输入任意键继续购票   \n“退出”:请输入N“）;
                Console.Write（“输入:“）;
                input = Console.ReadLine（）.ToString（）;
                if （input == “N“ || input == “n“）
                {
                    clientSocket.Send（Encoding.Unicode.GetBytes（input））;
                    return;
                }
                else
                {
                    clientSocket.Send（Encoding.Unicode.GetBytes（input））;
                    goto L1;
                }
            }
            catch
            {
                Console.WriteLine（“\n/***服务器失去连接***/\n“）;
            }
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       6144  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\bin\Debug\shiyan3_SocketClient_91403090101.exe

     文件      13824  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\bin\Debug\shiyan3_SocketClient_91403090101.pdb

     文件      11600  2016-11-27 21:08  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\bin\Debug\shiyan3_SocketClient_91403090101.vshost.exe

     文件        490  2015-10-22 09:54  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\bin\Debug\shiyan3_SocketClient_91403090101.vshost.exe.manifest

     文件       6053  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       1755  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\obj\x86\Debug\shiyan3_SocketClient_91403090101.csproj.FileListAbsolute.txt

     文件       6144  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\obj\x86\Debug\shiyan3_SocketClient_91403090101.exe

     文件      13824  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\obj\x86\Debug\shiyan3_SocketClient_91403090101.pdb

     文件       2829  2016-11-27 21:07  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\Program.cs

     文件       1396  2016-11-22 14:57  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\Properties\AssemblyInfo.cs

     文件       2485  2016-11-22 14:57  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101.csproj

     文件        938  2016-11-22 14:57  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101.sln

    ..A..H.     19456  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101.suo

     文件       7168  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\bin\Debug\shiyan3_SocketSever_91403090101.exe

     文件      13824  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\bin\Debug\shiyan3_SocketSever_91403090101.pdb

     文件      11600  2016-11-27 20:58  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\bin\Debug\shiyan3_SocketSever_91403090101.vshost.exe

     文件        490  2015-10-22 09:54  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\bin\Debug\shiyan3_SocketSever_91403090101.vshost.exe.manifest

     文件       6049  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       1729  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\obj\x86\Debug\shiyan3_SocketSever_91403090101.csproj.FileListAbsolute.txt

     文件       7168  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\obj\x86\Debug\shiyan3_SocketSever_91403090101.exe

     文件      13824  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\obj\x86\Debug\shiyan3_SocketSever_91403090101.pdb

     文件       5062  2016-11-27 21:10  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\Program.cs

     文件       1394  2016-11-22 14:59  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\Properties\AssemblyInfo.cs

     文件       2483  2016-11-22 14:59  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101.csproj

     文件        935  2016-11-22 14:59  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101.sln

    ..A..H.     19456  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101.suo

     目录          0  2016-11-22 14:57  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\obj\x86\Debug\TempPE

     目录          0  2016-11-22 14:59  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\obj\x86\Debug\TempPE

     目录          0  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketClient_91403090101\shiyan3_SocketClient_91403090101\obj\x86\Debug

     目录          0  2016-11-27 21:11  shiyan3_91403090101\shiyan3_SocketSever_91403090101\shiyan3_SocketSever_91403090101\obj\x86\Debug

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