新手提问

[hebsxl2000]

JToolBar 怎样指定工具条方向 ？
JPanel 怎么传图片？
初学者 希望帮写下代码 非常感谢

[岁月之梦]

都做web方面的东西了 这个真忘记了 帮你顶
！

[24K純帥]

import   javax.swing.JToolBar; 
import   javax.swing.JButton; 
import   javax.swing.ImageIcon; 

import   javax.swing.JFrame; 
import   javax.swing.JTextArea; 
import   javax.swing.JScrollPane; 
import   javax.swing.JPanel; 

import   java.awt.*; 
import   java.awt.event.*; 

public   class   ToolBarDemo   extends   JFrame   { 
        protected   JTextArea   textArea; 
        protected   String   newline   =   "\n "; 

        public   ToolBarDemo()   { 
                //Do   frame   stuff. 
                super( "ToolBarDemo "); 
                addWindowListener(new   WindowAdapter()   { 
                        public   void   windowClosing(WindowEvent   e)   { 
                                System.exit(0); 
                        } 
                }); 

                //Create   the   toolbar. 
                JToolBar   toolBar   =   new   JToolBar(); 
                addButtons(toolBar); 

                //Create   the   text   area   used   for   output. 
                textArea   =   new   JTextArea(5,   30); 
                JScrollPane   scrollPane   =   new   JScrollPane(textArea); 

                //Lay   out   the   content   pane. 
                JPanel   contentPane   =   new   JPanel(); 
                contentPane.setLayout(new   BorderLayout()); 
                contentPane.setPreferredSize(new   Dimension(400,   100)); 
                contentPane.add(toolBar,   BorderLayout.NORTH); 
                contentPane.add(scrollPane,   BorderLayout.CENTER); 
                setContentPane(contentPane); 
        } 

        protected   void   addButtons(JToolBar   toolBar)   { 
                JButton   button   =   null; 

                //first   button 
                button   =   new   JButton(new   ImageIcon( "images/left.gif ")); 
                button.setToolTipText( "This   is   the   left   button "); 
                button.addActionListener(new   ActionListener()   { 
                        public   void   actionPerformed(ActionEvent   e)   { 
                                displayResult( "Action   for   first   button "); 
                        } 
                }); 
                toolBar.add(button); 

                //second   button 
                button   =   new   JButton(new   ImageIcon( "images/middle.gif ")); 
                button.setToolTipText( "This   is   the   middle   button "); 
                button.addActionListener(new   ActionListener()   { 
                        public   void   actionPerformed(ActionEvent   e)   { 
                                displayResult( "Action   for   second   button "); 
                        } 
                }); 
                toolBar.add(button); 

                //third   button 
                button   =   new   JButton(new   ImageIcon( "images/right.gif ")); 
                button.setToolTipText( "This   is   the   right   button "); 
                button.addActionListener(new   ActionListener()   { 
                        public   void   actionPerformed(ActionEvent   e)   { 
                                displayResult( "Action   for   third   button "); 
                        } 
                }); 
                toolBar.add(button); 
        } 

        protected   void   displayResult(String   actionDescription)   { 
                textArea.append(actionDescription   +   newline); 
        } 

        public   static   void   main(String[]   args)   { 
                ToolBarDemo   frame   =   new   ToolBarDemo(); 
                frame.pack(); 
                frame.setVisible(true); 
        } 
} 

[24K純帥]

别人的代码，LZ看看有收获木有