Java窗口之选项卡、表格、分层窗口-蒲公英云

Java窗口之选项卡、表格、分层窗口

选项卡

import java.awt.Color;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
public class JTabbedPaneDome extends JFrame{
    public JTabbedPaneDome() {
        JTabbedPane jTabbedPane = new JTabbedPane();
        JPanel jpanel = new JPanel();
        JPanel jPanel2 = new JPanel();
        JPanel jPanel3 = new JPanel();
        jpanel.add(new JLabel("第一个选项卡"));
        jPanel2.add(new JLabel("第二个选项卡"));
        jPanel2.setBackground(Color.BLUE);
        jPanel3.add(new JLabel("第三选项卡"));
        jPanel3.setBackground(Color.cyan);
        jTabbedPane.add("     壹             ", jpanel);
        jTabbedPane.add("     贰             ", jPanel2);
        jTabbedPane.add("     三             ", jPanel3);
        this.add(jTabbedPane);
        this.setTitle("选项卡布局");
        this.setSize(800, 600);
        this.setLocationRelativeTo(null);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setVisible(true);
    }
    public static void main(String[] args) {
        new JTabbedPaneDome();
    }
}

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表格

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class WinTable extends JFrame implements ActionListener {
    JTable table;
    Object a[][];
    Object name[] = { "姓名", "英语成绩", "数学成绩", "总成绩" };
    JButton button = new JButton("计算每人总成绩");
    public WinTable() {
        a = new Object[8][4];
        for (int i = 0; i < 8; i++) {
            for (int j = 0; j < 4; j++) {
                if (j != 0) {
                    a[i][j] = "0";
                } else {
                    a[i][j] = "姓名";
                }
            }
        }
        table = new JTable(a, name);
        button.addActionListener(this);
        Container con = getContentPane();
        getContentPane().add(new JScrollPane(table), BorderLayout.CENTER);
        con.add(new JLabel("修改或录入数据后，需回车确认"), BorderLayout.SOUTH);
        con.add(button, BorderLayout.SOUTH);
        setSize(400, 300);
        setVisible(true);
        validate();
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
    @Override
    public void actionPerformed(ActionEvent e) {
        // TODO Auto-generated method stub
        for (int i = 0; i < 8; i++) {
            double sum = 0;
            boolean boo = true;
            for (int j = 1; i <= 2; j++) {
                try {
                    sum = sum + Double.parseDouble(a[i][j].toString());
                } catch (Exception ee) {
                    boo = false;
                    table.repaint();
                }
                if (boo == true) {
                    a[i][3] = "" + sum;
                    table.repaint();
                }
            }
        }
    }
    public static void main(String[] args) {
        new WinTable();
    }
}

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分层窗口

import java.awt.Color;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JLayeredPane;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import javax.swing.WindowConstants;
public class JLayeredPaneDemo extends JFrame{
    public JLayeredPaneDemo() {
        setTitle("测试窗口");
        //大小
        setSize(400, 300);
        setLocationRelativeTo(null);
        //关闭窗口退出程序
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);;
        JLayeredPane jLayeredPane  = new JLayeredPane();
        JPanel jPanel = createPanel(Color.red, "L=100,P=1", 30, 30, 100, 100);
        jLayeredPane.add(jPanel,new Integer(200));
        JPanel jPanel2 = createPanel(Color.green, "L=200,p=0", 70, 70, 100, 100);
        jLayeredPane.add(jPanel2,new Integer(200),0);
        JPanel jPanel3 = createPanel(Color.cyan, "L=200,p=1", 110, 110, 100, 100);
        jLayeredPane.add(jPanel3,new Integer(200), 1);
        JPanel jPanel4 = createPanel(Color.yellow, "L=300", 150, 150, 100, 100);
        jLayeredPane.add(jPanel4,new Integer(300));
        setContentPane(jLayeredPane);
        setVisible(true);
    }
    private static JPanel createPanel(Color bg,String text, int x,int y, int width,int height) {
        //创建一个JPanel，使用1行1列的网格布局
        JPanel jPanel  = new JPanel(new GridLayout(1,1));
        //设置容器的位置和宽高
        jPanel.setBounds(x, y, width, height);
        //设置Panel背景
        jPanel.setOpaque(true);
        jPanel.setBackground(bg);
        //创建标签并设置相应属性
        JLabel jLabel = new JLabel(text);
        jLabel.setHorizontalAlignment(SwingConstants.CENTER);
        jLabel.setVerticalAlignment(SwingConstants.TOP);
        //添加签到标题
        jPanel.add(jLabel);
        return jPanel;
    }
    public static void main(String[] args) {
        new JLayeredPaneDemo();
    }
}