Java窗口之选项卡、表格、分层窗口

客官°小女子只卖身不卖艺 2021-11-29 06:32 310阅读 0赞

**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();
    	}
    }

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2tvbmdzYW5qaW4_size_16_color_FFFFFF_t_70][]

**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();
    	}
    }

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2tvbmdzYW5qaW4_size_16_color_FFFFFF_t_70 1][]

**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();
    	}
    }

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2tvbmdzYW5qaW4_size_16_color_FFFFFF_t_70 2][]

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