测试 Netbeans 组件面板内容的简单用法
包含:JTable 、 JList 、 JComboBox 、JSlider 、JProgressBar 、 JSpinner
/*
* MainFrame.java
* 作者:孟伟
* 欢迎和我联系,期待和你共同进步。
* QQ:772333621
* 我只是一个孤独的java学习者。
* Created on 2009-11-15, 20:25:46
*/
package tabletest;
import javax.swing.DefaultComboBoxModel;
import javax.swing.DefaultListModel;
import javax.swing.table.DefaultTableModel;
/**
* @author FL
*/
public class MainFrame extends javax.swing.JFrame {
/**
* data 用来初始化 表格(table) 的值
*/
private Object[][] data = new Object[][]{
{6, "shiba", null, null},
{null, null, "nihao", null},
{null, null, null, true},
{null, null, null, null}
};
/**
* 用来初始化 表格(table) 的键值(title)
* 后面还会看到它用来初始化 组合框(combobox)的值
*/
private String columnNames[] = {"学号", "姓名", "性别", "年龄"};
private DefaultTableModel defaultTableModel = null;
private DefaultComboBoxModel defaultComboBoxModel = null;
private DefaultListModel defaultListModel = null;
public MainFrame() {
this.setTitle("测试 Netbeans 组件面板内容的简单用法");
initComponents();
/**为什么要另外设置 Model 呢
* 其实,直接拖过来的Table就已经设置了它了。
* 我们再次重新设置就是为了拿到引用,方便修改。
* 毕竟拖过来的东西是固定的,不能修改,要想修改,必须重新设置。
* 以下的内容原理相同。
*/
defaultTableModel = new DefaultTableModel(data, columnNames);
table.setModel(defaultTableModel);
defaultComboBoxModel = new DefaultComboBoxModel(columnNames);
comboBox.setModel(defaultComboBoxModel);
defaultListModel = new DefaultListModel();
itemList.setModel(defaultListModel);
defaultListModel.add(0, "nihao");
/**
* 如果你不知道该选用哪个函数或者是类来重新设置 Model的话。
* OK,打开本类中的 private void initComponents() 这个方法查看一下就行了。
* 这个方法是自动生成的,用户不能修改,这也正是我们要重新设置 Model 的原因。
*
* 为什么我一直在强调是 设置 Model 呢??
* 因为他们是有共性的,那就是 得设置 Model。
* 其余的很多类也是有这样的特点,例如:JTree。
*/
}
public static void main(String[] args) {
new MainFrame().setVisible(true);
}
/**
* 以下蓝色的字体的内容 除了 按键的 ActionPerformed 方法其余的
* 都是 Netbeans 自动生成的!!!!!!
* 我只是修改了键盘事件中的代码而已。
*/
@SuppressWarnings("unchecked")
//
private void initComponents() {
jPanel2 = new javax.swing.JPanel();
jScrollPane1 = new javax.swing.JScrollPane();
table = new javax.swing.JTable();
TestTable = new javax.swing.JButton();
jPanel3 = new javax.swing.JPanel();
comboBox = new javax.swing.JComboBox();
TestComboBox = new javax.swing.JButton();
jPanel1 = new javax.swing.JPanel();
jScrollPane2 = new javax.swing.JScrollPane();
itemList = new javax.swing.JList();
TestList = new javax.swing.JButton();
jPanel4 = new javax.swing.JPanel();
progressBar = new javax.swing.JProgressBar();
testProgressBar = new javax.swing.JButton();
jPanel5 = new javax.swing.JPanel();
slider = new javax.swing.JSlider();
testSlider = new javax.swing.JButton();
jPanel6 = new javax.swing.JPanel();
jSpinner1 = new javax.swing.JSpinner();
jLabel1 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("TestTable"));
table.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
{null, null, null, null},
{null, null, null, null},
{null, null, null, null},
{null, null, null, null}
},
new String [] {
"学号", "姓名", "性别", "年龄"
}
) {
Class[] types = new Class [] {
java.lang.Integer.class, java.lang.String.class, java.lang.String.class, java.lang.Integer.class
};
public Class getColumnClass(int columnIndex) {
return types [columnIndex];
}
});
jScrollPane1.setViewportView(table);
TestTable.setText("TestTable");
TestTable.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
TestTableActionPerformed(evt);
}
});
javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(TestTable)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 323, javax.swing.GroupLayout.PREFERRED_SIZE)))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(21, 21, 21)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(TestTable)
.addContainerGap(22, Short.MAX_VALUE))
);
jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder("TestComboBox"));
comboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
TestComboBox.setText("TestComboBox");
TestComboBox.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
TestComboBoxActionPerformed(evt);
}
});
javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
jPanel3.setLayout(jPanel3Layout);
jPanel3Layout.setHorizontalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(comboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(TestComboBox))
.addContainerGap(39, Short.MAX_VALUE))
);
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel3Layout.createSequentialGroup()
.addContainerGap()
.addComponent(comboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(TestComboBox)
.addContainerGap(109, Short.MAX_VALUE))
);
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("TestList"));
itemList.setModel(new javax.swing.AbstractListModel() {
String[] strings = { "中国", "中国", "中国" };
public int getSize() { return strings.length; }
public Object getElementAt(int i) { return strings[i]; }
});
jScrollPane2.setViewportView(itemList);
TestList.setText("TestList");
TestList.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
TestListActionPerformed(evt);
}
});
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)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 112, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(TestList))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 127, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 10, Short.MAX_VALUE)
.addComponent(TestList)
.addContainerGap())
);
jPanel4.setBorder(javax.swing.BorderFactory.createTitledBorder("TestProgressBar"));
testProgressBar.setText("TestProgressBar");
testProgressBar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
testProgressBarActionPerformed(evt);
}
});
javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
jPanel4.setLayout(jPanel4Layout);
jPanel4Layout.setHorizontalGroup(
jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addContainerGap()
.addComponent(progressBar, javax.swing.GroupLayout.DEFAULT_SIZE, 196, Short.MAX_VALUE))
.addGroup(jPanel4Layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(testProgressBar)))
.addContainerGap())
);
jPanel4Layout.setVerticalGroup(
jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel4Layout.createSequentialGroup()
.addContainerGap()
.addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(testProgressBar)
.addContainerGap(13, Short.MAX_VALUE))
);
jPanel5.setBorder(javax.swing.BorderFactory.createTitledBorder("TestSlider"));
testSlider.setText("TestSlider");
testSlider.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
testSliderActionPerformed(evt);
}
});
javax.swing.GroupLayout jPanel5Layout = new javax.swing.GroupLayout(jPanel5);
jPanel5.setLayout(jPanel5Layout);
jPanel5Layout.setHorizontalGroup(
jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel5Layout.createSequentialGroup()
.addGroup(jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel5Layout.createSequentialGroup()
.addGap(24, 24, 24)
.addComponent(slider, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel5Layout.createSequentialGroup()
.addGap(78, 78, 78)
.addComponent(testSlider)))
.addContainerGap(41, Short.MAX_VALUE))
);
jPanel5Layout.setVerticalGroup(
jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel5Layout.createSequentialGroup()
.addGap(19, 19, 19)
.addComponent(slider, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(testSlider)
.addContainerGap(44, Short.MAX_VALUE))
);
jPanel6.setBorder(javax.swing.BorderFactory.createTitledBorder("TestSpinner"));
jSpinner1.setModel(new javax.swing.SpinnerDateModel());
jLabel1.setText("可上下调节的按键");
javax.swing.GroupLayout jPanel6Layout = new javax.swing.GroupLayout(jPanel6);
jPanel6.setLayout(jPanel6Layout);
jPanel6Layout.setHorizontalGroup(
jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel6Layout.createSequentialGroup()
.addGroup(jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel6Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jSpinner1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel6Layout.createSequentialGroup()
.addGap(38, 38, 38)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 114, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(103, Short.MAX_VALUE))
);
jPanel6Layout.setVerticalGroup(
jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel6Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jSpinner1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(47, 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()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jPanel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jPanel6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addContainerGap(44, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jPanel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jPanel6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}//
private void TestTableActionPerformed(java.awt.event.ActionEvent evt) {
defaultTableModel.addColumn("测");//添加新的一列数据
defaultTableModel.setValueAt("设置的值", 2, 2); //修改一个已知坐标的位置的数据
System.out.println("行数:" + defaultTableModel.getRowCount());
System.out.println("列数:" + defaultTableModel.getColumnCount());
}
private void TestListActionPerformed(java.awt.event.ActionEvent evt) {
defaultListModel.addElement("添加了"+ this.defaultListModel.size());
System.out.println("这个 List 的大小是:" + this.defaultListModel.size());
}
private void TestComboBoxActionPerformed(java.awt.event.ActionEvent evt) {
System.out.println(this.comboBox.getSelectedIndex() + "是:" + this.comboBox.getSelectedItem());
System.out.println(this.comboBox.getSelectedIndex() + "是:" + this.comboBox.getSelectedItem());
}
private void testProgressBarActionPerformed(java.awt.event.ActionEvent evt) {
this.progressBar.setValue(this.progressBar.getValue() + 10);
}
private void testSliderActionPerformed(java.awt.event.ActionEvent evt) {
this.slider.setValue(this.slider.getValue() + 10);
}
// Variables declaration - do not modify
private javax.swing.JButton TestComboBox;
private javax.swing.JButton TestList;
private javax.swing.JButton TestTable;
private javax.swing.JComboBox comboBox;
private javax.swing.JList itemList;
private javax.swing.JLabel jLabel1;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JPanel jPanel4;
private javax.swing.JPanel jPanel5;
private javax.swing.JPanel jPanel6;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JSpinner jSpinner1;
private javax.swing.JProgressBar progressBar;
private javax.swing.JSlider slider;
private javax.swing.JTable table;
private javax.swing.JButton testProgressBar;
private javax.swing.JButton testSlider;
// End of variables declaration
}