Swing按標題排序表範例

下面的範例展示了如何在Java Swing應用程式中按檔頭建立可排序表格。

使用以下API -

• JTable(Object[][] data, String[] columnNames) - 建立表格。
• JTable().setAutoCreateRowSorter(true) - 在表的每個標題上新增預設排序。

範例

package com.yiibai.swingdemo;

import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;

public class SwingTester {
    private JFrame mainFrame;
    private JLabel headerLabel;
    private JLabel statusLabel;
    private JPanel controlPanel;

    public SwingTester() {
        prepareGUI();
    }

    public static void main(String[] args) {
        SwingTester swingControlDemo = new SwingTester();
        swingControlDemo.showTableDemo();
    }

    private void prepareGUI() {
        mainFrame = new JFrame("Swing按標題排序表範例(tw511.com)");
        mainFrame.setSize(500, 400);
        mainFrame.setLayout(new GridLayout(3, 1));

        mainFrame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent windowEvent) {
                System.exit(0);
            }
        });
        headerLabel = new JLabel("", JLabel.CENTER);
        statusLabel = new JLabel("", JLabel.CENTER);
        statusLabel.setSize(350, 100);

        controlPanel = new JPanel();
        controlPanel.setLayout(new FlowLayout());

        mainFrame.add(headerLabel);
        mainFrame.add(controlPanel);
        mainFrame.add(statusLabel);
        mainFrame.setVisible(true);
    }

    private void showTableDemo() {
        headerLabel.setText("Control in action: JTable");

        String[] columnNames = { "姓名", "性別", "年齡", "薪水" };
        Object[][] data = { { "張三", "男", 27, 15000 }, { "李四", "女", 24, 9500 }, { "王五", "F", 34, 18000 }, };
        JTable table = new JTable(data, columnNames);
        table.setAutoCreateRowSorter(true);
        JScrollPane scrollPane = new JScrollPane(table);
        scrollPane.setSize(300, 300);
        table.setFillsViewportHeight(true);
        controlPanel.add(scrollPane);
        mainFrame.setVisible(true);
    }
}

執行上面範例程式碼，得到以下結果：