JAVA列表界面代码

发布网友发布时间：2022-06-03 05:49

共1个回答

热心网友时间：2023-10-12 18:23

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JListDemo extends JFrame {
    privateJPaneltopPanel;
    privateJListlistbox;

    public JListDemo(){
        setTitle( "Simple ListBox Application" );
        setSize( 300, 100 );
        setBackground( Color.gray );

        topPanel = new JPanel();
        topPanel.setLayout( new BorderLayout() );
        getContentPane().add( topPanel );

        StringlistData[] =
        {
            "Item 1",
            "Item 2",
            "Item 3",
            "Item 4"
        };

        listbox = new JList( listData );
        topPanel.add( listbox, BorderLayout.CENTER );
    }

    public static void main( String args[] ) {
        JListDemo mainFrame= new JListDemo();
        mainFrame.setVisible( true );
    }
}

追问表格我说错了多弄几列行吗

追答import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JTableDemo extends JFrame {
    privateJPanel topPanel;
    privateJTable table;

    public JTableDemo(){
        setTitle( "Simple JTable Application" );
        setSize( 300, 100 );
        setBackground( Color.gray );

        topPanel = new JPanel();
        topPanel.setLayout( new BorderLayout() );
        getContentPane().add( topPanel );

        String cols[] = {
            "Col 1",
            "Col 2",
            "Col 3"
        };
        String rowData[][] = {
            { "Row1-Column1", "Row1-Column2", "Row1-Column3"},
            { "Row2-Column1", "Row2-Column2", "Row2-Column3"}
        };

        table = new JTable(rowData, cols);
        JScrollPane scrollPane = new JScrollPane(table);
        topPanel.add( scrollPane, BorderLayout.CENTER );
    }

    public static void main( String args[] ) {
        JTableDemo mainFrame = new JTableDemo();
        mainFrame.setVisible( true );
    }
}