如何将两个jpanels并排放置 [英] how to put two jpanels side by side
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问题描述
我尝试将两个jpanel并排放置,但是在此刻我无法做我想做的事 我有这段代码,
I try to put two jpanels side by side, but in this moment i can not do what i want I have this code,
this.videoPanel= new JPanel();
this.videoPanel.setBackground(new Color(102, 102, 102));
this.videoPanel.setPreferredSize(new Dimension(320, 240));
this.videoPanel.setLayout(new BoxLayout(this.videoPanel, 1));
GroupLayout layout = new GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addComponent(this.videoPanel, 10, 400, 500)));
layout.setVerticalGroup(
layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(this.videoPanel, 10, 400, 500)));
pack();
` 我尝试再放一个jpanel:
` I try to put one more jpanel:
this.videoPanel1.setBackground(new Color(102, 102, 102));
this.videoPanel1.setPreferredSize(new Dimension(320, 240));
this.videoPanel1.setLayout(new BoxLayout(this.videoPanel1, 2));
GroupLayout layout = new GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING)
.addComponent(this.videoPanel1, 10, 400, 500)
.addComponent(this.videoPanel, 10, 400, 500)));
layout.setVerticalGroup(
layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(this.videoPanel1, 10, 400, 500)
.addComponent(this.videoPanel, 10, 400, 500)));
pack();
此代码不起作用,也不会给出错误.
this code don't work and also does not give error.
推荐答案
如果我正确理解了您的问题,则希望并排放置2个JPanel.看一下Layout GridLayout.
If I understand your question correctly, you want to place 2 JPanel side by side. Look at the Layout GridLayout.
您需要setLayout(new GridLayout(1,2));上面写着1行2列
You'd want setLayout(new GridLayout(1,2)); which says 1 Row, 2 Col
package SSCCE;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class SideBYSide extends JFrame{
public static void main(String[] args) {
new SideBYSide();
}
public SideBYSide(){
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(100, 75);
this.setLayout(new BorderLayout());
this.setVisible(true);
JPanel container = new JPanel();
JPanel panelOne = new JPanel();
JPanel panelTwo = new JPanel();
panelOne.add(new JLabel("1"));
panelTwo.add(new JLabel("2"));
container.setLayout(new GridLayout(1,2));
container.add(panelOne);
container.add(panelTwo);
this.add(container);
}
}
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