用完成端口开发大响应规模的Winsock应用程序-Port development with the completion of large-scale response to Winsock applications

SOCKET编程——端口，完成端口---是一种WINDOWS内核对象。-SOCKET programming port，Completion port- is a WINDOWS kernel object.

1 选择（Select） 2异步选择（WSAAsyncSelect） 3事件选择（WSAEventSelect） 4重叠I/O（Overlapped I/O） 5完成端口（Completion Port) -1 Select 2 WSAAsyncSelect 3 WSAEventSelect 4 Overlapped I/O 5 Completion Port