java怎么添加一个按钮？

你就这态度???((偷笑),不想站在巨人的肩膀上了吗,人活一世，装X二字)

import javax.swing.JButton

import javax.swing.JFrame

public class c {

public static void main(String[] args) {

// 你懂的

JFrame jf = new JFrame()

// 你懂的

jf.setSize(300, 400)

// JFrame做为一个画板，他里面可以有控件，有控件就有控件布局的样式，样式为null可以理解为自由布局

jf.setLayout(null)

// JFrame的setVisible的默认值为false,值的意义是是否显示.

jf.setVisible(true)

// 按钮

JButton jb = new JButton("按钮")

// 添加按钮

jf.add(jb)

// 因为上面的布局样式，他设置了x50y80坐标和长100宽30

jb.setBounds(50, 80, 100, 30)

}

}

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.Component\x0d\x0aimport java.awt.event.ActionEvent\x0d\x0aimport java.awt.event.ActionListener\x0d\x0a\x0d\x0aimport javax.swing.*\x0d\x0aimport javax.swing.table.*\x0d\x0a\x0d\x0apublic class ButtonTable extends JFrame{\x0d\x0a\x0d\x0aprivate static final long serialVersionUID = 1L\x0d\x0aprivate JTable table = null\x0d\x0aprivate DefaultTableModel model=null\x0d\x0aprivate JScrollPane js=null \x0d\x0apublic ButtonTable(){\x0d\x0amodel = new DefaultTableModel(3,3)\x0d\x0atable = new JTable(model)\x0d\x0atable.getColumnModel().getColumn(1).setCellEditor(new MyRender())//设置编辑器\x0d\x0atable.getColumnModel().getColumn(1).setCellRenderer(new MyRender() )\x0d\x0ajs = new JScrollPane(table)\x0d\x0a\x0d\x0athis.add(js)\x0d\x0athis.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)\x0d\x0athis.setVisible(true)\x0d\x0athis.setSize(399, 300)\x0d\x0athis.setLocationRelativeTo(null)\x0d\x0a}\x0d\x0a\x0d\x0apublic static void main(String[] args) {\x0d\x0a// TODO Auto-generated method stub\x0d\x0anew ButtonTable()\x0d\x0a}\x0d\x0a\x0d\x0a}\x0d\x0a\x0d\x0a//渲染 器 编辑器\x0d\x0aclass MyRender extends AbstractCellEditor implements TableCellRenderer,ActionListener, TableCellEditor{\x0d\x0a\x0d\x0aprivate static final long serialVersionUID = 1L\x0d\x0aprivate JButton button =null\x0d\x0apublic MyRender(){\x0d\x0abutton = new JButton("确定不？")\x0d\x0abutton.addActionListener(this)\x0d\x0a}\x0d\x0a\x0d\x0a@Override\x0d\x0apublic Object getCellEditorValue() {\x0d\x0a// TODO Auto-generated method stub\x0d\x0areturn null\x0d\x0a}\x0d\x0a\x0d\x0a@Override\x0d\x0apublic Component getTableCellRendererComponent(JTable table, Object value,\x0d\x0aboolean isSelected, boolean hasFocus, int row, int column) {\x0d\x0a// TODO Auto-generated method stub\x0d\x0areturn button\x0d\x0a}\x0d\x0a\x0d\x0a@Override\x0d\x0apublic void actionPerformed(ActionEvent e) {\x0d\x0a// TODO Auto-generated method stub\x0d\x0aJOptionPane.showMessageDialog(null, "渲染器学期", "消息", JOptionPane.OK_OPTION)\x0d\x0a\x0d\x0a}\x0d\x0a\x0d\x0a@Override\x0d\x0apublic Component getTableCellEditorComponent(JTable table, Object value,\x0d\x0aboolean isSelected, int row, int column) {\x0d\x0a// TODO Auto-generated method stub\x0d\x0areturn button\x0d\x0a}\x0d\x0a\x0d\x0a}

---