Java 将JCheckBox数组添加到Netbeans中的JPanel
我一直在尝试将Java 将JCheckBox数组添加到Netbeans中的JPanel,java,arrays,netbeans,auto-generate,jcheckbox,Java,Arrays,Netbeans,Auto Generate,Jcheckbox,我一直在尝试将jcheckbox数组添加到由netbeansgui自动生成的Netbeans中的JPanel,当我创建jcheckbox数组,然后尝试使用JPanel.add(jcheckbox数组[x])将它们添加到JPanel,程序编译正常,但不显示 我创建了这样一个数组: // custom private member variables private javax.swing.JCheckBox[] jCheckboxArray; // int CheckBoxNumber = 5;
jcheckbox
数组添加到由netbeansgui
自动生成的Netbeans中的JPanel
,当我创建jcheckbox
数组,然后尝试使用JPanel.add(jcheckbox数组[x])
将它们添加到JPanel
,程序编译正常,但不显示
我创建了这样一个数组:
// custom private member variables
private javax.swing.JCheckBox[] jCheckboxArray;
//
int CheckBoxNumber = 5;
jCheckboxArray = new javax.swing.JCheckBox[CheckBoxNumber];
for(int x = 0; x < CheckBoxNumber ; x++) {
jCheckboxArray[x] = new javax.swing.JCheckBox();
jCheckboxArray[x].setText("CheckBox " + x);
}
}我已经给出了示例
公共静态void main(字符串参数[]){
字符串标题=(args.length==0?“复选框示例”:args[0]);
JFrame=新JFrame(标题);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel面板=新JPanel(新网格布局(0,1));
Border Border=BorderFactory.createTitleBorder(“测试”);
专家组命令(边界);
JCheckBox[]JCheckBox数组;
//
int CheckBoxNumber=5;
jCheckboxArray=newjavax.swing.JCheckBox[CheckBoxNumber];
对于(int x=0;x
您是否尝试过放置设置内容窗格(yourJPanel)代码>在你的代码中?当我添加setContentPane(jPanel3)时;在运行时,我得到一个错误:线程“AWT-EventQueue-0”java.lang.IllegalArgumentException中的异常:将容器的父级添加到它自己我编辑并添加了整个代码,因为我只是在尝试。我尝试添加了这个,虽然它仍然编译并运行没有错误,但复选框不会显示在JPanelTanks中,你的代码可以工作,但我不明白为什么我的代码不能工作。我认为Netbeans自动生成的代码超过了jPanel3中显示的复选框。你知道代码中的问题是什么吗?我认为jPanel3Layout中存在问题。只需注释//jPanel3.setLayout(jPanel3Layout)@Zac Biswajit的代码使用了GridLayout
而不是GroupLayout
。这意味着您(或Netbeans)不必乱搞水平布局、垂直布局等。同样在您的代码中,jpanel3
的布局是在您添加复选框后设置的(这就是为什么复选框不会显示-布局已“重置”)我在Netbeans中发现,答案是右键单击GUI生成器中的jPanel->Set Layout->“除自由设计外的任何内容”ie Gridbox或Freeflow都可以工作。自定义复选框数组代码包含在自动生成的代码中,使用相同的过程(右键单击jPanel->自定义代码)。
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package my.ArduinoGUI;
/**
*
* @author EEE
*/
public class ArduinoGUI extends javax.swing.JFrame {
/**
* Creates new form ArduinoGUI
*/
public ArduinoGUI() {
initCustomComponents();
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
buttonGroup1 = new javax.swing.ButtonGroup();
jPanel1 = new javax.swing.JPanel();
jCheckBox1 = new javax.swing.JCheckBox();
jCheckBox2 = new javax.swing.JCheckBox();
jCheckBox3 = new javax.swing.JCheckBox();
jCheckBox4 = new javax.swing.JCheckBox();
jCheckBox5 = new javax.swing.JCheckBox();
jPanel2 = new javax.swing.JPanel();
jRadioButton1 = new javax.swing.JRadioButton();
jRadioButton2 = new javax.swing.JRadioButton();
jPanel3 = new javax.swing.JPanel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Outputs"));
jPanel1.setName("Outputs"); // NOI18N
jCheckBox1.setText("jCheckBox1");
jCheckBox2.setText("jCheckBox2");
jCheckBox3.setText("jCheckBox3");
jCheckBox4.setText("jCheckBox4");
jCheckBox5.setText("jCheckBox5");
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jCheckBox1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jCheckBox5))
.addComponent(jCheckBox2)
.addComponent(jCheckBox3)
.addComponent(jCheckBox4))
.addContainerGap(39, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jCheckBox1)
.addComponent(jCheckBox5))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jCheckBox2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jCheckBox3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jCheckBox4)
.addGap(0, 14, Short.MAX_VALUE))
);
jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("PinState"));
buttonGroup1.add(jRadioButton1);
jRadioButton1.setText("Input");
jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton1ActionPerformed(evt);
}
});
buttonGroup1.add(jRadioButton2);
jRadioButton2.setText("Output");
javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(8, 8, 8)
.addComponent(jRadioButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jRadioButton2)
.addContainerGap(67, Short.MAX_VALUE))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(16, 16, 16)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jRadioButton1)
.addComponent(jRadioButton2))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder("Generated Boxes"));
int CheckBoxNumber = 5;
jCheckboxArray = new javax.swing.JCheckBox[CheckBoxNumber];
for(int x = 0; x < CheckBoxNumber ; x++) {
jCheckboxArray[x] = new javax.swing.JCheckBox();
System.out.print(x);
System.out.print(jCheckboxArray[x].getText());
jCheckboxArray[x].setText("CheckBox " + x);
System.out.print(jCheckboxArray[x].getText());
jPanel3.add(jCheckboxArray[x]);
}
javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
jPanel3.setLayout(jPanel3Layout);
jPanel3Layout.setHorizontalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 0, Short.MAX_VALUE)
);
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 175, Short.MAX_VALUE)
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 40, Short.MAX_VALUE)
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGroup(layout.createSequentialGroup()
.addGap(23, 23, 23)
.addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGap(18, 18, 18)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
pack();
}// </editor-fold>
private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Windows".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(ArduinoGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(ArduinoGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(ArduinoGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(ArduinoGUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new ArduinoGUI().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.ButtonGroup buttonGroup1;
private javax.swing.JCheckBox jCheckBox1;
private javax.swing.JCheckBox jCheckBox2;
private javax.swing.JCheckBox jCheckBox3;
private javax.swing.JCheckBox jCheckBox4;
private javax.swing.JCheckBox jCheckBox5;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JRadioButton jRadioButton1;
private javax.swing.JRadioButton jRadioButton2;
// End of variables declaration
private javax.swing.JCheckBox[] jCheckboxArray;
private javax.swing.JPanel jPanel4;
private javax.swing.JCheckBox jCheckBox6;
private void initCustomComponents() {
//throw new UnsupportedOperationException("Not yet implemented");
// create checkbox array
}
I have given the example
public static void main(String args[]) {
String title = (args.length == 0 ? "CheckBox Sample" : args[0]);
JFrame frame = new JFrame(title);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel(new GridLayout(0, 1));
Border border = BorderFactory.createTitledBorder("Test");
panel.setBorder(border);
javax.swing.JCheckBox[] jCheckboxArray;
//
int CheckBoxNumber = 5;
jCheckboxArray = new javax.swing.JCheckBox[CheckBoxNumber];
for(int x = 0; x < CheckBoxNumber ; x++) {
jCheckboxArray[x] = new javax.swing.JCheckBox();
jCheckboxArray[x].setText("CheckBox " + x);
panel.add(jCheckboxArray[x]);
}
Container contentPane = frame.getContentPane();
contentPane.add(panel, BorderLayout.CENTER);
// contentPane.add(button, BorderLayout.SOUTH);
frame.setSize(300, 200);
frame.setVisible(true);
}