设计五子棋需要实现的内容包括1）五子棋的界面即绘制棋盘2）网络的链接采用C/S结构即客户端与服务器3）五子棋的落子即走棋4）界面即服务器端界面和客户端的界面5）五子棋输赢规则。-Design backgammon need to achieve, including 1) backgammon interface that draw chessboard 2) network link using C/S structure that the client and server 3) backg