JavaGUI中关于布局管理器的使用方法介绍.pdf

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JavaGUI中关于布局管理器的使用方法介绍

很多初学者在用Java布局器自动布局画界面时，经常遇见不知道如何定义区域大小或按钮
之间的距离等问题。我写过一篇《实现

浪曦网-国内顶级IT视频网络编程教育平台Www.LangSin.Com
浪曦网-国内顶级IT视频网络编程教育平台Www.LangSin.Com

publicclassFrame1
extendsJFrame{
BorderLayoutborderLayout1=newBorderLayout();
JPaneljPanel1=newJPanel();
JPaneljPanel2=newJPanel();
JPaneljPanel3=newJPanel();
JLabeljLabel1=newJLabel();
JTextFieldjTextField1=newJTextField();
JButtonjButton1=newJButton();
FlowLayoutflowLayout1=newFlowLayout();
FlowLayoutflowLayout2=newFlowLayout();
JButtonjButton2=newJButton();
JButtonjButton3=newJButton();
JButtonjButton4=newJButton();
GridLayoutgridLayout1=newGridLayout();
JScrollPanejScrollPane1=newJScrollPane();
JTablejTable1=newJTable();

publicFrame1(){
try{
jbInit();
}
catch(Exceptione){
e.printStackTrace();
}
}

publicstaticvoidmain(String[]args){
Frame1frame1=newFrame1();
frame1.setSize(newDimension(400,350));
frame1.show();

}

privatevoidjbInit()throwsException{
this.getContentPane().setLayout(borderLayout1);
jPanel1.setBackground(Color.red);
jPanel1.setLayout(flowLayout1);
jPanel2.setBackground(Color.red);
jPanel2.setLayout(flowLayout2);
jPanel3.setBackground(Color.pink);
jPanel3.setLayout(gridLayout1);
jLabel1.setPreferredSize(newDimension(100,16));
jLabel1.setText("请输入查询条件");

浪曦网-国内顶级IT视频网络编程教育平台Www.LangSin.Com
浪曦网-国内顶级IT视频网络编程教育平台Www.LangSin.Com

jTextField1.setPreferredSize(newDimension(140,22));
jTextField1.setText("");
jButton1.setText("查询");
jButton1.addActionListener(newFrame1_jButton1_actionAdapter(this));
flowLayout1.setAlignment(FlowLayout.LEFT);
flowLayout1.setHgap(5);
flowLayout1.setVgap(10);
jButton2.setText("增加");
jButton3.setText("删除");
jButton4.setText("修改");
flowLayout2.setHgap(30);
flowLayout2.setVgap(5);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.getContentPane().add(jPanel1,BorderLayout.NORTH);
jPanel1.add(jLabel1,null);
jPanel1.add(jTextField1,null);
jPanel1.add(jButton1,null);
this.getContentPane().add(jPanel2,BorderLayout.SOUTH);
jPanel2.add(jB