Java登陆框的制作及源码

港控/mmm° 2023-06-06 12:20 15阅读 0赞

登录框效果图  
![在这里插入图片描述][20191011195649765.png]

import java.awt.*;
    
    import javax.swing.*;
    
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
    import java.awt.event.MouseEvent;
    import java.awt.event.MouseListener;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.sql.Statement;
    import java.util.logging.Level;
    import java.util.logging.Logger;
    
    import javax.swing.*;
    import javax.swing.event.MouseInputListener;
    
    public class 登陆框{
    	public static void main(String[] args) {
    		My_object1 my = new My_object1();
    	}
    }
    
    class My_object1 extends JFrame {
    	public JTextField j3;
    	public JTextField j4;
    	ImageIcon img = null;
    	JPanel p;
    	public My_object1() {
    		setTitle("登录");
    		setSize(200, 150);
    		JPanel p = new JPanel();
    		getContentPane().add(p);
    
    		JLabel j1 = new JLabel("密码   ");
    		JLabel j2 = new JLabel("用户名");
    		JLabel j7 = new JLabel(img);
    		j3 = new JTextField(10);
    		j4 = new JTextField(10);
    		JButton j5 = new JButton("确定");
    		JButton j6 = new JButton("取消");
    		p.add(j7);
    		p.add(j2);
    		p.add(j3);
    		p.add(j1);
    		p.add(j4);
    		p.add(j5);
    		p.add(j6);
    		j6.addActionListener(new ActionListener() {
    
    			public void actionPerformed(ActionEvent e) {
    				// TODO 自动生成的方法存根
    				if (e.getActionCommand().equals("取消")) {
    					System.exit(0);
    				}
    			}
    		});
    		final String userName = "abc";
    		final String passwrod = "123";
    
    		j5.addMouseListener(new Mouselen());
    		setLocationRelativeTo(null);
    		setVisible(true);
    	}
    
    	class Mouselen implements MouseListener {
    
    		@Override
    		public void mouseClicked(MouseEvent e) {
    			// TODO Auto-generated method stub
    			if (!j3.getText().equals("123456"))
    				// System.out.println("用户名错误");
    				JOptionPane.showMessageDialog(null, "账号错误");
    			if (!j4.getText().equals("789"))
    				// System.out.println("密码错误");
    				JOptionPane.showMessageDialog(null, "密码错误");
    			else // System.out.println("输入正确");
    			// JOptionPane.showMessageDialog(null, "登录成功");
    			{
    				// System.exit(0);
    				new guanli();
    			}
    		}
    
    		@Override
    		public void mouseEntered(MouseEvent e) {
    			// TODO Auto-generated method stub
    
    		}
    
    		@Override
    		public void mouseExited(MouseEvent e) {
    			// TODO Auto-generated method stub
    
    		}
    
    		@Override
    		public void mousePressed(MouseEvent e) {
    			// TODO Auto-generated method stub
    
    		}
    
    		@Override
    		public void mouseReleased(MouseEvent e) {
    			// TODO Auto-generated method stub
    
    		}
    
    	}
    
    }
    
    class guanli extends JFrame {
    	JButton b1;
    	JButton b2;
    
    	public guanli() {
    		setSize(550, 370);
    		Toolkit tk = getToolkit();
    		Dimension d1 = tk.getScreenSize();
    		int w = (int) d1.getWidth();
    		int h = (int) d1.getHeight();
    		setLocation(w / 2 - 550 / 2, h / 2 - 370 / 2);
    		setVisible(true);
    		setTitle("信息管理系统");
    		// Image img1=tk.getImage("./src/jame/1-140326154313.jpg");
    		// setIconImage(img1);
    		ImageIcon img2 = new ImageIcon("./src/jame/13.jpg"); // 相对路径获取图片
    		JLabel imgLabel = new JLabel(img2); // 创建图片标签
    		this.getLayeredPane().add(imgLabel, new Integer(Integer.MIN_VALUE));
    		// 为标签设置为容器最底层；getLayeredPane()作用是为容器添加深度，允许组件互相重叠；Integer.MIN_VALUE最底层
    		imgLabel.setBounds(0, 0, img2.getIconWidth(), img2.getIconHeight());
    		Container cp = getContentPane(); // 获取顶级容器
    		((JPanel) cp).setOpaque(false); // 设置透明以使底层背景图片显示
    		cp.setLayout(null);
    
    		JLabel imgLable = new JLabel();
    		JLabel j2 = new JLabel("***欢迎登陆学生管理系统***");
    		JLabel j1 = new JLabel("~~请在左侧选择所做的操作~~");
    		JButton b1 = new JButton("查询");
    		JButton b2 = new JButton("取消");
    		JButton b3 = new JButton("修改");
    		JButton b4 = new JButton("增添");
    		JButton b5 = new JButton("删除");
    		JTextArea t3 = new JTextArea(150, 150);
    		cp.add(j2);
    		j2.setBounds(220, 110, 190, 25);
    		cp.add(j1);
    		j1.setBounds(220, 150, 190, 25);
    		cp.add(b1);
    		b1.setBounds(0, 70, 90, 25);
    		cp.add(b2);
    		b2.setBounds(250, 250, 70, 25);
    		cp.add(b4);
    		b4.setBounds(0, 110, 90, 25);
    		cp.add(b3);
    		b3.setBounds(0, 150, 90, 25);
    		cp.add(b5);
    		b5.setBounds(0, 190, 90, 25);
    		b2.addActionListener(new ActionListener() {
    
    			@Override
    			public void actionPerformed(ActionEvent e) {
    				// TODO 自动生成的方法存根
    				if (e.getActionCommand().equals("取消")) {
    					System.exit(0);
    				}
    			}
    		});
    		b1.addActionListener(new ActionListener() {
    
    			@Override
    			public void actionPerformed(ActionEvent e) {
    				// TODO 自动生成的方法存根
    				new chaxun();
    
    			}
    		});
    		b3.addActionListener(new ActionListener() {
    
    			@Override
    			public void actionPerformed(ActionEvent e) {
    				// TODO 自动生成的方法存根
    				new xiugai();
    
    			}
    		});
    		b4.addActionListener(new ActionListener() {
    
    			@Override
    			public void actionPerformed(ActionEvent e) {
    				// TODO 自动生成的方法存根
    				new zengtian();
    
    			}
    		});
    		b5.addActionListener(new ActionListener() {
    
    			@Override
    			public void actionPerformed(ActionEvent e) {
    				// TODO 自动生成的方法存根
    				new shanchu();
    
    			}
    		});
    	}
    }
    
    class chaxun extends JFrame {
    	TextField t1;
    	TextField t2;
    
    	public chaxun() {
    		setTitle("查询");
    		setSize(550, 370);
    		JPanel p1 = new JPanel();
    		// getContentPane().add(p1);
    		JLabel j1 = new JLabel("学号：  ");
    		JLabel j2 = new JLabel("姓名：  ");
    		JLabel j3 = new JLabel("专业：  ");
    		TextField t1 = new TextField(70);
    		TextField t2 = new TextField(70);
    		TextField t3 = new TextField(70);
    		JButton b = new JButton("查询");
    		JButton b1 = new JButton("取消");
    		ImageIcon img2 = new ImageIcon("./src/1-140326154313.jpg"); // 相对路径获取图片
    		JLabel imgLabel = new JLabel(img2); // 创建图片标签
    		this.getLayeredPane().add(imgLabel, new Integer(Integer.MIN_VALUE));
    		// 为标签设置为容器最底层；getLayeredPane()作用是为容器添加深度，允许组件互相重叠；Integer.MIN_VALUE最底层
    		imgLabel.setBounds(0, 0, img2.getIconWidth(), img2.getIconHeight());
    		Container p11 = getContentPane(); // 获取顶级容器
    		((JPanel) p11).setOpaque(false); // 设置透明以使底层背景图片显示
    		p11.setLayout(null);
    		p11.add(j2);
    		j2.setBounds(50, 70, 70, 25);
    		p11.add(t1);
    		t1.setBounds(150, 70, 100, 20);
    		p11.add(j1);
    		j1.setBounds(50, 150, 70, 25);
    		p11.add(t2);
    		t2.setBounds(150, 150, 100, 20);
    		p11.add(j3);
    		j3.setBounds(50, 230, 70, 25);
    		p11.add(t3);
    		t3.setBounds(150, 230, 100, 20);
    		p11.add(b);
    		b.setBounds(400, 140, 90, 25);
    		p11.add(b1);
    		b1.setBounds(400, 170, 90, 25);
    		setLocationRelativeTo(null);
    		setVisible(true);
    		final String url = "jdbc:mysql://localhost:3306/test";
    		b1.addActionListener(new ActionListener() {
    
    			@Override
    			public void actionPerformed(ActionEvent e) {
    				// TODO 自动生成的方法存根
    				if (e.getActionCommand().equals("取消")) {
    					System.exit(0);
    				}
    			}
    		});
    		b.addActionListener(new ActionListener() {
    
    			@Override
    			public void actionPerformed(ActionEvent arg0) {
    				// TODO Auto-generated method stub
    
    				try (Connection conn = DriverManager.getConnection(url, "root", "1234")) {
    					Statement state = conn.createStatement();
    					ResultSet result = state.executeQuery("SELECT name FROM xuesheng");
    
    				} catch (SQLException ex) {
    
    					ex.getSQLState();
    				}
    			}
    		});
    	}
    }
    
    class xiugai extends JFrame {
    	public xiugai() {
    		setTitle("修改");
    		setSize(550, 370);
    		JPanel p1 = new JPanel();
    		getContentPane().add(p1);
    		setLocationRelativeTo(null);
    		setVisible(true);
    
    	}
    }
    
    class zengtian extends JFrame {
    	public zengtian() {
    		setTitle("增添");
    		setSize(550, 370);
    		JPanel p1 = new JPanel();
    		getContentPane().add(p1);
    		setLocationRelativeTo(null);
    		setVisible(true);
    	}
    }
    
    class shanchu extends JFrame {
    	public shanchu() {
    		setTitle("删除");
    		setSize(550, 370);
    		JPanel p1 = new JPanel();
    		getContentPane().add(p1);
    		setLocationRelativeTo(null);
    		setVisible(true);
    	}
    }

[20191011195649765.png]: /images/20230601/48d41532a1a14a78b1709f9e8c64f739.png