说明：  java写的围棋游戏小程序 开发思路 调用applet类作为父类。在init事件中调用Qipan类，作出panel，上加控制用控件。在paint事件里调用drawline函数画棋盘，注册鼠标动作。鼠标单击位置上用drawoval画出棋子， 事件处理过程 A。重新开始 B。选择尺寸 C。悔棋事件 D。前进事件 有三个文件Weiqi.java，Qizi.java，Qipan.java
(Go write java applet game called applet type of development as a parent. Onload event in the init category Qipan make panel, adding controlling controls. Call in the paint incident drawLine function painting board, registered mouse movements. Mouse click position drawoval draw with a pawn, event processing A. A fresh start B. Select Size C.悔棋incident D. There are three documents forward events Weiqi.java, Qizi.java, Qipan.java)