问题描述
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JButton;
import java.awt.BorderLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JPanel;
import javax.swing.JSplitPane;
import java.awt.FlowLayout;
import javax.swing.JlayeredPane;
import java.awt.cardlayout;
import java.awt.Container;
import javax.swing.JTextPane;
import javax.swing.JLabel;
import javax.swing.JTextField;
import java.awt.*;
import java.util.*;
public class pageone {
private JFrame frame;
private JTextField firstBox;
private JTextField secondBox;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokelater(new Runnable() {
public void run() {
try {
pageone window = new pageone();
window.frame.setVisible(true);
} catch (Exception e) {
e.printstacktrace();
}
}
});
}
/**
* Create the application.
*/
public pageone() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
private void initialize()
{
cardlayout cardlayout = new cardlayout();
frame = new JFrame();
frame.setBounds(100,100,450,300);
frame.setDefaultCloSEOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(new cardlayout(0,0));
JPanel panel = new JPanel();
frame.getContentPane().add(panel,"edcba");
panel.setLayout(null);
JPanel panel_1 = new JPanel();
frame.getContentPane().add(panel_1,"abcde");
panel_1.setLayout(null);
JButton btnNewButton_2 = new JButton("New button");
btnNewButton_2.setBounds(153,105,117,29);
panel_1.add(btnNewButton_2);
JButton btnNewButton_3 = new JButton("New button");
btnNewButton_3.setBounds(128,161,29);
panel_1.add(btnNewButton_3);
JButton btnNewButton_1 = new JButton("Have fun");
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
cardlayout.show(panel_1,null);
}
});
btnNewButton_1.setBounds(312,222,29);
panel.add(btnNewButton_1);
JButton btnReset = new JButton("Reset");
btnReset.setBounds(163,148,29);
panel.add(btnReset);
JLabel lblNewLabel = new JLabel("First name:");
lblNewLabel.setBounds(22,73,80,16);
panel.add(lblNewLabel);
firstBox = new JTextField();
firstBox.setBounds(110,68,258,26);
panel.add(firstBox);
firstBox.setColumns(10);
JLabel lblNewLabel_1 = new JLabel("Last Name:");
lblNewLabel_1.setBounds(20,131,82,16);
panel.add(lblNewLabel_1);
secondBox = new JTextField();
secondBox.setBounds(113,126,255,26);
panel.add(secondBox);
secondBox.setColumns(10);
JButton btnNewButton = new JButton("Generate a name");
btnNewButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
}
});
btnNewButton.setBounds(22,29);
panel.add(btnNewButton);
}
}
Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: wrong parent for cardlayout
at java.desktop/java.awt.cardlayout.checkLayout(cardlayout.java:403)
at java.desktop/java.awt.cardlayout.show(cardlayout.java:525)
at pageone$2.actionPerformed(pageone.java:79)
at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1972)
at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2313)
at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
at java.desktop/javax.swing.DefaultButtonModel.setpressed(DefaultButtonModel.java:262)
at java.desktop/javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:279)
at java.desktop/java.awt.Component.processMouseEvent(Component.java:6617)
at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3342)
at java.desktop/java.awt.Component.processEvent(Component.java:6382)
at java.desktop/java.awt.Container.processEvent(Container.java:2264)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4993)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2322)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4825)
at java.desktop/java.awt.Lightweightdispatcher.retargetMouseEvent(Container.java:4934)
at java.desktop/java.awt.Lightweightdispatcher.processMouseEvent(Container.java:4563)
at java.desktop/java.awt.Lightweightdispatcher.dispatchEvent(Container.java:4504)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2308)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2773)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4825)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:772)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:743)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:391)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:742)
at java.desktop/java.awt.EventdispatchThread.pumpOneEventForFilters(EventdispatchThread.java:203)
at java.desktop/java.awt.EventdispatchThread.pumpEventsForFilter(EventdispatchThread.java:124)
at java.desktop/java.awt.EventdispatchThread.pumpEventsForHierarchy(EventdispatchThread.java:113)
at java.desktop/java.awt.EventdispatchThread.pumpEvents(EventdispatchThread.java:109)
at java.desktop/java.awt.EventdispatchThread.pumpEvents(EventdispatchThread.java:101)
at java.desktop/java.awt.EventdispatchThread.run(EventdispatchThread.java:90)
以下是简要的设计结构： 框架 获取内容窗格 控制板 btn_NewButton btn_NewButton_1 面板_1
所以通常问题cardlayout问题在第75行（cardlayout.show）代码中一遍又一遍地发生，因此我对如何做到这一点感到非常困惑。
("你的帖子主要是代码") wdajkldaslkdjskdlasjdlksjlkdajskldajsdlksjaslkdjsdklsjdlkasjlkdjslkjadlkjdaksljdaslkajsdlkajsdlkasjdlkasdjlskdjaklsdjalksdjaksldjasldkjaslkjalksdjlkasdjlkasdjlkasdjalksdjlkasdjlaksdjalksdjalksdjalksdjalskdjalskdjaslkdjasldkjaskdljasldkajsldkajsdklajsdlkasjdklsadjlkasjdlaksdjl
解决方法
暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！
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