基于JAVA实现的贪吃蛇小游戏（包含用户注册和登录）

package com.mooc.login; import java.awt.Color; import java.awt.Component; import java.awt.Graphics; import java.awt.Label; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.sql.Connection; import java.sql.ResultSet; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JTextField; import javax.swing.border.EmptyBorder; import com.mooc.jdbcUtil.jdbcUtil; import com.mysql.jdbc.Statement; public class Login extends JFrame{ private JPanel contentPane; private JButton btn1,btn2,btn3; private JTextField userName; private JPasswordField password; private JLabel label1,label2; private int LOGIN_WIDTH=360; private int LOGIN_HEIGTH=350; Connection conn; Statement stam; public Login() { setTitle("贪吃鬼"); //设置窗体标题 setBounds(100, 50, LOGIN_WIDTH, LOGIN_HEIGTH ); //设置窗体坐标以及打下 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //设置窗体可关闭 setResizable(false); //设置窗体大小不可以改变 setVisible(true); //设置窗体可见 //设置窗体标题图标 setIconImage( Toolkit.getDefaultToolkit().getImage(Login.class.getResource("/images/log.jpg")) ); /** * 添加一个面板容器到窗体中 */ contentPane = new JPanel(); contentPane.setBackground(Color.WHITE); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(null); //账号标签 label1=new JLabel(""); label1.setBounds(80,76, 54, 28); label1.setIcon(new ImageIcon(Login.class.getResource("/images/user.png"))); contentPane.add(label1); //密码标签 label2=new JLabel(""); label2.setBounds(80, 135, 54, 28); label2.setIcon(new ImageIcon(Login.class.getResource("/images/psw.png"))); contentPane.add(label2); //账号输入框 userName=new JTextField(); userName.setBounds(139, 80, 161, 25); contentPane.add(userName); //密码输入框 password=new JPasswordField(); password.setBounds(139, 140, 161, 25); contentPane.add(password); //按钮—登录 btn1=new JButton("登 录"); btn1.setBounds(95, 210, 80, 23); btn1.setIcon(new ImageIcon(Login.class.getResource("/images/btn1.png"))); btn1.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { if(e.getSource()==btn1) { try { conn=jdbcUtil.getConnection();//获取数据库连接 stam= (Statement) conn.createStatement(); //创建sql语句执行对象 //编写sql语句 String sql="select * from user where username='"+userName.getText()+"' and password='"+password.getText()+"' "; //执行sql语句 ResultSet rs=stam.executeQuery(sql); if(rs.next()) { dispose();//关闭当前窗口 new Main(); } }catch (Exception e0) { e0.printStackTrace(); }finally { jdbcUtil.result(conn, stam); } } } }); contentPane.add(btn1); //按钮—退出 btn2=new JButton("退 出"); btn2.setBounds(210, 210, 80, 23); btn2.setIcon( new ImageIcon(Login.class.getResource("/images/exit.png"))); btn2.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { if(e.getSource()==btn2) { dispose(); } } }); contentPane.add(btn2); //按钮-注册 btn3=new JButton("注 册"); btn3.setBounds(95,240,200, 23); btn3.setIcon(new ImageIcon(Login.class.getResource("/images/regier.png"))); btn3.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { dispose();//关闭登录窗体 new Register().addMan(); // 打开注册窗体 } }); contentPane.add(btn3); } public static void main(String[] args) { new Login(); } }