import javax.swing.*;
import java.awt.*;
public class Demo extends JFrame{
//菜单窗体
JMenuBar p1=new JMenuBar();
//一级菜单类
String m[]={"文件","编辑","格式","查看","帮助"};
//子菜单类
String h[][]={{"新建","打开","保存","另存为","页面设置","打印","退出"},
{"撤销","剪切","复制","粘贴","删除","查找","查找下一个","替换","转到","全选","时间/日期"},
{"自动换行","字体"},
{"状态栏"},
{"查看帮助","关于记事本"}};
public Demo()//文件
{
this.setTitle("记事本");
}
public void DemoJMenu()//菜单
{
for(int i=0;i<m.length;i++)
{
JMenu z=new JMenu(m[i]);
p1.add(z);
for(int j=0;j<h[i].length;j++)//利用h[i].length来统计二维数组中的子菜单
{
z.add(new JMenuItem(h[i][j]));
}
}
this.setJMenuBar(p1);
}
public void MyJScrollPane()//滚动条
{
//面板容积
JPanel jp=new JPanel();
//文本框
JTextArea wb=new JTextArea(8,8);
//滚动条
JScrollPane jsp=new JScrollPane(wb);
jsp.add(jp);
this.add(jsp);//添加滚动条
this.setBounds(20, 20, 250, 200);
}
}