什么布局接受百分比而不是摆动中的值? [英] What layout accepts percentages instead of values in swing?
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问题描述
我需要根据他们所需的视觉空间百分比来创建框架内容。
例如,panel2为20%,panel2为1,80%。
这种布局管理的布局是什么?
I need to create frame content based on their percentage of visual space they need. For example 20% for panel1,80% for panel2. what layout does this kind of layout management?
推荐答案
- 缩小形式
GridBagLayout
,但成功满足您的要求80% - 20% - in reduced form
GridBagLayout
, but with success for your requirement 80% - 20%
import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
public class BorderPanels extends JFrame {
private static final long serialVersionUID = 1L;
public BorderPanels() {
setLayout(new GridBagLayout());// set LayoutManager
GridBagConstraints gbc = new GridBagConstraints();
JPanel panel1 = new JPanel();
Border eBorder = BorderFactory.createEtchedBorder();
panel1.setBorder(BorderFactory.createTitledBorder(eBorder, "80pct"));
gbc.gridx = gbc.gridy = 0;
gbc.gridwidth = gbc.gridheight = 1;
gbc.fill = GridBagConstraints.BOTH;
gbc.anchor = GridBagConstraints.NORTHWEST;
gbc.weightx = gbc.weighty = 70;
add(panel1, gbc); // add component to the ContentPane
JPanel panel2 = new JPanel();
panel2.setBorder(BorderFactory.createTitledBorder(eBorder, "20pct"));
gbc.gridy = 1;
gbc.weightx = gbc.weighty = 20;
gbc.insets = new Insets(2, 2, 2, 2);
add(panel2, gbc); // add component to the ContentPane
JPanel panel3 = new JPanel();
panel3.setBorder(BorderFactory.createTitledBorder(eBorder, "20pct"));
gbc.gridx = 1;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 2;
gbc.weightx = /*gbc.weighty = */ 20;
gbc.insets = new Insets(2, 2, 2, 2);
add(panel3, gbc); // add component to the ContentPane
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // important
pack();
setVisible(true); // important
}
public static void main(String[] args) {
javax.swing.SwingUtilities.invokeLater(new Runnable() { // important
@Override
public void run() {
BorderPanels borderPanels = new BorderPanels();
}
});
}
}
- 自定义
MigLayout
- custom
MigLayout
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