package testDemo;
/**
* @author 作者 E-mail:
* @version 创建时间：2019年6月5日 上午8:44:42
* 类说明
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
@SuppressWarnings("serial")
public class SimpleTableDemo extends JPanel {
private boolean DEBUG = true;
public SimpleTableDemo() {
super(new BorderLayout());
//创建表头
String[] columnNames = { "First Name", "Last Name", "Sport",
"# of Years", "Vegetarian" };
//创建显示数据
Object[][] data = {
{ "Kathy", "Smith", "Snowboarding", new Integer(5),
new Boolean(false) },
{ "John", "Doe", "Rowing", new Integer(3), new Boolean(true) },
{ "Sue", "Black", "Knitting", new Integer(2),
new Boolean(false) },
{ "Jane", "White", "Speed reading", new Integer(20),
new Boolean(true) },
{ "Joe", "Brown", "Pool", new Integer(10), new Boolean(false) } };
/*
* JTable还提供了一个重载的构造方法,传入两个Vector
* JTable(Vector rowData, Vector columnNames)
*
*/
final JTable table = new JTable(data, columnNames);
table.setBackground(Color.YELLOW);
//table.setPreferredScrollableViewportSize(new Dimension(500, 0));
if (DEBUG) {
table.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
printDebugData(table);
}
});
}
// Create the scroll pane and add the table to it.
//这也是官方建议使用的方式，否则表头不会显示，需要单独获取到TableHeader自己手动地添加显示
JScrollPane scrollPane = new JScrollPane(table);
add(scrollPane);
JPanel panel2 = new JPanel();
this.add(panel2,BorderLayout.SOUTH);
JButton btn1 = new JButton("表格填充整个视图");
JButton btn2 = new JButton("表格不添加整个视图(默认不填充)");
panel2.add(btn1);
panel2.add(btn2);
btn1.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
//设置表格填充整个视图,在默认情况下,如果表格的大小小于视图(窗体),你会发现下面的内容是其他颜色,可以将上面的yellow去掉做个比较
table.setFillsViewportHeight(true);
}
});
btn2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
table.setFillsViewportHeight(false);
}
});
}
private void printDebugData(JTable table) {
int numRows = table.getRowCount();
int numCols = table.getColumnCount();
javax.swing.table.TableModel model = table.getModel();
System.out.println("Value of data: ");
for (int i = 0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j = 0; j < numCols; j++) {
System.out.print(" " + model.getValueAt(i, j));
}
System.out.println();
}
System.out.println("--------------------------");
}
/**
private static void createAndShowGUI() {
// Create and set up the window.
JFrame frame = new JFrame("SimpleTableDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// Create and set up the content pane.
SimpleTableDemo newContentPane = new SimpleTableDemo();
newContentPane.setOpaque(true); // content panes must be opaque
frame.setContentPane(newContentPane);
// Display the window.
//frame.pack();
frame.setSize(800, 600);
frame.setVisible(true);
}
public static void main(String[] args) {
// Schedule a job for the event-dispatching thread:
// creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
}
