摘要： 构造注入时接收空对象导致执行错误的处理方式： 基本情况： interface ILog { void Info(string msg); void Wran(string msg); } class BankAccount { private readonly ILog log; private i 阅读全文

摘要： Server: using System.Text; Console.WriteLine("UDP Server Satrt..."); Socket udpServer = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, Proto 阅读全文

摘要： suggested use Asynchronous Programming(Async Task) Server: int connectCount = 0; Console.WriteLine("wait for conncet..."); Socket tcpServer = new Sock 阅读全文