java绘制自定义窗体

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1、java自定义窗体大家都说java图形界面不尽人意，相比C#，VB的快捷方便简直不可同日而语。但是如果仔细研究的话，也不尽然，我们通过代码同样可以实现自己想要的漂亮界面。下面就给大家介绍一下，如何使用java自己定义一个去除系统边框，使用自己喜欢的图片作为窗体主体的方法。简述一下方法步骤：1.去除系统边框2.为窗体设置一个放置组件的容器JPanel，并设置布局3.向容器中添加标题栏，然后添加鼠标监听事件4.加入主体部分此程序为java经典案例之一，初级必学，在此分享给大家，感谢那些帮助我，启发我的朋友们！impo

2、rtjava.awt.BorderLayout;importjava.awt.Dimension;importjava.awt.FlowLayout;importjava.awt.Graphics;importjava.awt.GridLayout;importjava.awt.Image;importjava.awt.Point;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.awt.event.It

3、emEvent;importjava.awt.event.ItemListener;importjava.awt.event.MouseAdapter;importjava.awt.event.MouseEvent;importjava.awt.event.MouseMotionAdapter;importjava.io.File;importjava.io.IOException;importjavax.imageio.ImageIO;importjavax.swing.ImageIcon;importjava

4、x.swing.JButton;importjavax.swing.JFrame;importjavax.swing.JPanel;importjavax.swing.JToggleButton;publicclassMyImgFrameextendsJFrame{JPanelcontentPanel;PointpressedPoint;publicMyImgFrame()throwsIOException{this.setUndecorated(true);this.setDefaultCloseOperati

5、on(EXIT_ON_CLOSE);this.setBounds(200,80,400,380);this.setVisible(true);//this.pack();contentPanel=newJPanel();contentPanel.setBorder(null);contentPanel.setLayout(newBorderLayout(0,0));this.setContentPane(contentPanel);MyBacPaneltopPanel=newMyBacPanel();Imaget

6、opimg=ImageIO.read(newFile("E:\Images\15.jpg"));Dimensiondim=newDimension(topimg.getWidth(this),topimg.getHeight(this));topPanel.setPreferredSize(dim);topPanel.setImg(topimg);topPanel.addMouseMotionListener(newMouseMotionAdapter(){publicvoidmouseDragged(Mou

7、seEvente){topPanel_mouseDragged(e);}});topPanel.addMouseListener(newMouseAdapter(){publicvoidmousePressed(MouseEvente){topPanel_mousePressed(e);}});contentPanel.add(topPanel,BorderLayout.NORTH);topPanel.setLayout(newFlowLayout(FlowLayout.RIGHT,5,5));JPanelcon

8、trolJP=newJPanel();controlJP.setPreferredSize(newDimension(60,22));controlJP.setOpaque(false);topPanel.add(controlJP);controlJP.setLayout(newGridLayout(1,0,0,0));JButtonminJB=newJButton()