Java で単純な GUI ログインおよび登録インターフェイスを実装する方法

package cn.bms.view; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.border.MatteBorder; import cn.bms.tools.GUITools; /* * 登录窗口 */ @SuppressWarnings("serial") public class AdminLogin extends JFrame { private JPanel contentPanel = new JPanel(); // Label标签存放背景图片 private JLabel label; // 设置按钮组件 private JButton login = new JButton("登录"), register = new JButton("注册"); private JLabel jlb1 = new JLabel("用户名:"), jlb2 = new JLabel("密码:"), jlbtitle = new JLabel("登录界面"); // 设置文本框组件 private JTextField admin = new JTextField(), password = new JTextField(); public AdminLogin() { this.init(); this.addListener(); } private void init() { this.setTitle("管理员登陆界面"); this.setSize(500, 350); GUITools.center(this); ImageIcon image1 = new ImageIcon("837878.jpg"); // 界面背景图片 JLabel backLabel = new JLabel(); backLabel.setIcon(image1); label = new JLabel(image1); label.setBounds(0, 0, 1000, 400); // 在LayeredPane最底层上添加两个带图片的标签，并且label2在label上方 this.getLayeredPane().add(label, new Integer(Integer.MIN_VALUE)); // 将内容面板设置为透明，就能够看见添加在LayeredPane上的背景。 ((JPanel) this.getContentPane()).setOpaque(false); /* * 添加组件到contentPanel容器中 布局方式为自由布局。 */ contentPanel.setLayout(null); add(admin); add(password); add(login); add(register); add(jlb1); add(jlb2); add(jlbtitle); /* * 组件绝对位置 */ jlb1.setBounds(50, 130, 90, 25); jlb1.setForeground(Color.WHITE); admin.setBounds(95, 130, 300, 25); password.setBounds(95, 154, 300, 25); jlb2.setBounds(50, 154, 90, 25); jlb2.setForeground(Color.WHITE); register.setBounds(95, 225, 90, 20); login.setBounds(315, 225, 90, 20); jlbtitle.setBounds(180, 45, 200, 50); Font f = new Font("微软雅黑", Font.BOLD, 30); jlbtitle.setFont(f); jlbtitle.setForeground(Color.BLUE); /* * 组件透明化 */ admin.setOpaque(true); password.setOpaque(true); contentPanel.setOpaque(false); getContentPane().add(contentPanel); /* * 组件边框颜色 */ textSet(admin); textSet(password); } /* * JTextField文本框设置方法. */ private void textSet(JTextField field) { field.setBackground(new Color(255, 255, 255)); field.setPreferredSize(new Dimension(150, 28)); MatteBorder border = new MatteBorder(0, 0, 2, 0, new Color(192, 192, 192)); field.setBorder(border); } /* * 事件监听 */ private void addListener() { login.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { forLogin(admin.getText(), password.getText()); } }); register.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { forRegister(); } }); } // 登录方法 public void forLogin(String admin, String pwd) { } // 注册方法 public void forRegister() { } }

package cn.bms.view; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.border.MatteBorder; import cn.bms.controller.AdminLoginController; import cn.bms.tools.GUITools; /* * 注册窗口 */ @SuppressWarnings("serial") public class AdminRegister extends JFrame { private JPanel contentPanel = new JPanel(); // Label标签存放背景图片 private JLabel label; // 设置按钮组件 private JButton ok = new JButton("确定注册"), back = new JButton("返回登录"); private JLabel jlb1 = new JLabel("用户名:"), jlb2 = new JLabel("密码:"), jlb3 = new JLabel("确认密码:"), jlbtitle = new JLabel("注册界面"); // 设置文本框组件 private JTextField admin = new JTextField(), password1 = new JTextField(), password2 = new JTextField(); public AdminRegister() { this.init(); this.addListener(); } private void init() { this.setTitle("管理员注册界面"); this.setSize(500, 350); GUITools.center(this); ImageIcon image1 = new ImageIcon("837878.jpg"); // 界面背景图片 JLabel backLabel = new JLabel(); backLabel.setIcon(image1); label = new JLabel(image1); label.setBounds(0, 0, 1000, 400); // 在LayeredPane最底层上添加两个带图片的标签，并且label2在label上方 this.getLayeredPane().add(label, new Integer(Integer.MIN_VALUE)); // 将内容面板设置为透明，就能够看见添加在LayeredPane上的背景。 ((JPanel) this.getContentPane()).setOpaque(false); /* * 添加组件到contentPanel容器中 布局方式为自由布局。 */ contentPanel.setLayout(null); add(admin); add(password1); add(password2); add(ok); add(back); add(jlb1); add(jlb2); add(jlb3); add(jlbtitle); /* * 组件绝对位置 */ jlb1.setBounds(40, 130, 90, 25); jlb1.setForeground(Color.WHITE); admin.setBounds(95, 130, 300, 25); password1.setBounds(95, 154, 300, 25); jlb2.setBounds(40, 154, 90, 25); jlb2.setForeground(Color.WHITE); password2.setBounds(95, 178, 300, 25); jlb3.setBounds(40, 178, 90, 25); jlb3.setForeground(Color.WHITE); ok.setBounds(315, 225, 90, 20); back.setBounds(95, 225, 90, 20); jlbtitle.setBounds(180, 45, 200, 50); Font f = new Font("微软雅黑", Font.BOLD, 30); jlbtitle.setFont(f); jlbtitle.setForeground(Color.BLUE); /* * 组件透明化 */ admin.setOpaque(true); password1.setOpaque(true); password2.setOpaque(true); contentPanel.setOpaque(false); getContentPane().add(contentPanel); /* * 组件边框颜色 */ textSet(admin); textSet(password1); textSet(password2); } /* * JTextField文本框设置方法. */ private void textSet(JTextField field) { field.setBackground(new Color(255, 255, 255)); field.setPreferredSize(new Dimension(150, 28)); MatteBorder border = new MatteBorder(0, 0, 2, 0, new Color(192, 192, 192)); field.setBorder(border); } /* * 事件监听 */ private void addListener() { ok.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { setRegister(admin.getText(), password1.getText(), password2.getText()); } }); back.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { new AdminLoginController().setVisible(true); } }); } // 实现注册账户方法 public void setRegister(String admin, String pwd1, String pwd2) { } }