JAVA界面添加按钮

按照你的要求添加两个按钮的Java程序如下:

package com.sunshine.customer

 import java.awt.*

import java.awt.event.*

import javax.swing.* 

import javax.swing.table.DefaultTableModel

public class JTableDemo extends JFrame implements ActionListener{    

 private JPanel topPanel    

 private JTable table

 private JButton addRoom=new JButton("添加房间")

 private JButton removeRoom=new JButton("删除房间")

 private DefaultTableModel dtm

 public JTableDemo(){        

  setTitle( "Simple JTable Application" )        

  setSize(560, 400 )        

  setBackground( Color.gray )         

  topPanel = new JPanel()

  topPanel.setLayout( new BorderLayout() )        

  getContentPane().add( topPanel )         

  String cols[] = {"房间号","是否预定","房间价格","房间类型","房间状态","卫生情况","剩余时间"}        

  String rowData[][] = {{ "", "", "","","","",""},

    { "", "", "","","","",""},{ "", "", "","","","",""},{ "", "", "","","","",""},

    { "", "", "","","","",""},{ "", "", "","","","",""},{ "", "", "","","","",""},            

    { "", "", "","","","",""},{ "", "", "","","","",""},{ "", "", "","","","",""},

    { "", "", "","","","",""},{ "", "", "","","","",""},{ "", "", "","","","",""},}

  dtm=new DefaultTableModel()

  dtm.setDataVector(rowData, cols)

  table = new JTable(dtm)        

  JScrollPane scrollPane = new JScrollPane(table)        

  topPanel.add( scrollPane, BorderLayout.CENTER )

  addRoom.addActionListener(this)

  removeRoom.addActionListener(this)

  JPanel p=new JPanel()

  p.add(addRoom)

  p.add(removeRoom)

  topPanel.add( p,BorderLayout.SOUTH )

 }     

 public static void main( String args[] ) {        

  JTableDemo mainFrame = new JTableDemo()        

  mainFrame.setVisible( true )    

 }

 @Override

 public void actionPerformed(ActionEvent ae) {

  if(ae.getSource()==addRoom){

   String row[]={ "", "", "","","","",""}

   dtm.addRow(row)

  }

  if(ae.getSource()==removeRoom){

   dtm.removeRow(table.getSelectedRow())

  }

 }

}

import java.awt.*

public Test extends Applet

{

public init()

{

Panel p1=new Panel()//这个就是定义啦，定义一个panel

Button bt=new Button("button")//这个就是定义按钮

//Button bt2=new Button("button")

p1.add(bt)//到panel里添加按钮

//p1.add(bt2)

this.add(p1)//吧panel添加到窗口中

show()//这个方法还用吧。。。

}

}

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