package?com.zzk;

import?java.awt.Graphics;
import?javax.swing.Jframe;
import?javax.swing.JPanel;

public?class?DrawLineframe?extends?Jframe?{
????DrawLinePanel?linePanel?=?new?DrawLinePanel（）;?//?創(chuàng)建面板類的實例
????
????public?static?void?main（String?args[]）?{?//?主方法
????????DrawLineframe?frame?=?new?DrawLineframe（）;?//?創(chuàng)建窗體類的實例
????????frame.setVisible（true）;?//?顯示窗體
????}
????
????public?DrawLineframe（）?{
????????super（）;?//?調(diào)用超類的構(gòu)造方法
????????settitle（“繪制直線“）;?//?窗體標(biāo)題
????????setBounds（100?100?273?167）;?//?窗體的顯示位置和大小
????????setDefaultCloseOperation（Jframe.EXIT_ON_CLOSE）;?//?窗體關(guān)閉方式
????????add（linePanel）;?//?將面板類的實例添加到窗體容器中
????}
????
????class?DrawLinePanel?extends?JPanel?{???//?創(chuàng)建內(nèi)部面板類
????????public?void?paint（Graphics?g）?{????//?重寫paint（）方法
????????????g.drawLine（70?50?180?50）;???//?繪制第一條水平線
????????????g.drawLine（70?80?180?80）;???//?繪制第二條水平線
????????????g.drawLine（110?10?140?120）;?//?繪制斜線
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????301??2010-07-27?08:42??.classpath
?????文件?????????379??2010-12-31?13:26??.project
?????文件?????????629??2010-07-27?08:42??.settings\org.eclipse.jdt.core.prefs
?????文件?????????702??2011-01-26?09:07??bin\com\zzk\DrawLineframe$DrawLinePanel.class
?????文件?????????941??2011-01-26?09:07??bin\com\zzk\DrawLineframe.class
?????文件????????1066??2010-07-29?14:16??src\com\zzk\DrawLineframe.java