JAVA SE 应用程序设计 GUI程序设计源代码.pdf

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JAVASE应用程序设计第12章GUI程序设计源代码
12-1第一个GUI应用程序源文件TestFrame.javaimportjava.awt.Frame;
publicclassTextFrame{publicstaticvoidmain(String[]args){Framef
=newFrame("Hello,GUI");f.setSize(200,100);f.setVisible(true);}}12-2
将组件添加到容器源文件TestFrameWithPanel.javaimportjava.awt.Frame;imp
ortjava.awt.Panel;importjava.awt.Color;publicclassTestFramePanel{p
ublicstaticvoidmain(String[]args){Framef=newFrame("MyTest");Pane
lpan=newPanel();f.setSize(200,170);f.setBackground(Color.cyan);f.setL
ayout(null);pan.setSize(80,80);pan.setBackground(Color.green);pan.setLo
cation(40,40);f.setLocation(300,300);f.setVisible(true);}}12-3使用L
ayout布局管理器源文件TestFlowLayout.javaimportjava.awt.Frame;import
java.awt.Button;importjava.awt.FlowLayout;publicclassTestFlowLayout{
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publicstaticvoidmain(String[]args){Framef=newFrame("FlowLayou
t");Buttonbutton1=newButton("Ok");Buttonbutton2=newButton("Open");B
uttonButton3=newButton("Close");f.setLayout(newFlowLayout());f.add(bu
tton1);f.add(button2);f.add(Button3);f.setSize(100,100);f.setVisible(t
rue);}}
预览312-4使用BorderLayout布局管理器源文件TestBorderLayout.java
importjava.awt.Frame;importjava.awt.Button;publicclassTestBorderLay
out{publicstaticvoidmain(String[]args){Framef=newFrame("BorderLa
yout");Buttonbn=newButton("BN");Buttonbs=newButton("BS");Buttonbw=
newButton("BW");Buttonbe=newButton("BE");Buttonbc=newButton("BC");
f.add(bn,"North");f.add(bs,"South");f.add(bw,"West");f.add(be,"East");
f.add(bc,"Center");f.setSize(200,200);
f.setVisible(true);}}
预览4使用GridLayout布局管理器源文件TestGridLayout.javaimportj
ava.awt.Frame;importjava.awt.Button;importjava.awt.GridLayout;public
classTestGridLayout{publicstaticvoidmain(String[]args){Framef=ne
wFrame("GridLayout");Buttonb1=newButton("b1");Buttonb2=newButton("b
2");Buttonb3=newButton("b3");Buttonb4=newButton("b4");Buttonb5=new
Button("b5");Buttonb6=newButton("b6");f.setLayout(newGridLayout(3,2)
);f.add(b1);f.add(b2);f.add(b3);f.add(b4);f.add(b5);f.add(b6)