swing 显示边框

packageAssis;

importjava.awt.*;
importjava.awt.event.*;
importjavax.swing.border.*;
importjavax.swing.*;

publicclassBorderDemoextendsJFrame{
privatestaticfinallongserialVersionUID=1L;

publicBorderDemo(){
//设置框架窗口的标题
super("使用边框的例子");
//定义5个简单类型的边框
Borderblackline,etched,raisedbevel,loweredbevel,empty;
//创建黑色的线状边框
blackline=BorderFactory.createLineBorder(Color.black);
//创建蚀刻边框
etched=BorderFactory.createEtchedBorder();
//创建凸出边框
raisedbevel=BorderFactory.createRaisedBevelBorder();
//创建凹陷边框
loweredbevel=BorderFactory.createLoweredBevelBorder();
//创建空的边框
empty=BorderFactory.createEmptyBorder();

//Firstpane:simpleborders
JPanelsimpleBorders=newJPanel();
simpleBorders.setLayout(newBoxLayout(simpleBorders,BoxLayout.Y_AXIS));

addCompForBorder(blackline,"线状边框",simpleBorders);
addCompForBorder(etched,"蚀刻边框",simpleBorders);
addCompForBorder(raisedbevel,"凸出边框",simpleBorders);
addCompForBorder(loweredbevel,"凹陷边框",simpleBorders);
addCompForBorder(empty,"空的边框",simpleBorders);

//Secondpane:titledborders
JPaneltitledBorders=newJPanel();
titledBorders.setLayout(newBoxLayout(titledBorders,BoxLayout.Y_AXIS));
TitledBordertitled;

titled=BorderFactory.createTitledBorder("title");
addCompForBorder(titled,"defaulttitledborder"
+"(defaultjust.,defaultpos.)",titledBorders);

titled=BorderFactory.createTitledBorder(blackline,"title");
addCompForTitledBorder(titled,"titledlineborder"
+"(centered,defaultpos.)",TitledBorder.CENTER,
TitledBorder.DEFAULT_POSITION,titledBorders);

titled=BorderFactory.createTitledBorder(etched,"title");
addCompForTitledBorder(titled,"titledetchedborder"
+"(rightjust.,defaultpos.)",TitledBorder.RIGHT,
TitledBorder.DEFAULT_POSITION,titledBorders);

titled=BorderFactory.createTitledBorder(loweredbevel,"title");
addCompForTitledBorder(titled,"titledloweredbevelborder"
+"(defaultjust.,abovetop)",
TitledBorder.DEFAULT_JUSTIFICATION,TitledBorder.ABOVE_TOP,
titledBorders);

titled=BorderFactory.createTitledBorder(empty,"title");
addCompForTitledBorder(titled,"titledemptyborder"
+"(defaultjust.,bottom)",
TitledBorder.DEFAULT_JUSTIFICATION,TitledBorder.BOTTOM,
titledBorders);

//创建TabbledPane组件
JTabbedPanetabbedPane=newJTabbedPane();

tabbedPane.addTab("简单的边框",null,simpleBorders,null);

tabbedPane.addTab("带有标题的边框",null,titledBorders,null);

tabbedPane.setSelectedIndex(0);

getContentPane().add(tabbedPane,BorderLayout.CENTER);
}

//添加带有标题的边框
voidaddCompForTitledBorder(TitledBorderborder,Stringdescription,
intjustification,intposition,Containercontainer){
border.setTitleJustification(justification);
border.setTitlePosition(position);
addCompForBorder(border,description,container);
}

//添加简单的边框
voidaddCompForBorder(Borderborder,Stringdescription,Containercontainer){
JPanelcomp=newJPanel(false);
JLabellabel=newJLabel(description,JLabel.CENTER);
comp.setLayout(newGridLayout(1,1));
comp.add(label);
comp.setBorder(border);

container.add(Box.createRigidArea(newDimension(0,10)));//设置间隔
container.add(comp);
}

//程序的入口方法
publicstaticvoidmain(String[]args){
JFrameframe=newBorderDemo();
//添加框架窗口的事件监听（监听关闭框架窗口事件）
frame.addWindowListener(newWindowAdapter(){
publicvoidwindowClosing(WindowEvente){
//正常推出Java虚拟机
System.exit(0);
}
});

//显示框架窗口
frame.pack();
frame.setVisible(true);
}
}