本文实例为大家分享了Java实现酒店客房管理系统的具体代码，供大家参考，具体内容如下

LoginFrame.java

package loginManage;import java.awt.Color;import java.awt.EventQueue;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.JOptionPane;import javax.swing.JPasswordField;import javax.swing.JTextField;import com.mysql.jdbc.Connection;import com.mysql.jdbc.PreparedStatement;import com.mysql.jdbc.ResultSet;import com.swtdesigner.SwingResourceManager;import db.JDBC;public class LoginFrame { private JLabel label; private JButton button; private JButton btnregister; private JButton btnreset; private JButton btnlogin; private JLabel labpwd; private JLabel labUserName; private JPasswordField textpwd; private JTextField textUsername; public JFrame frame; public static void main(String args[]) { EventQueue.invokeLater(new Runnable() { public void run() { try { LoginFrame window = new LoginFrame(); window.frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } public LoginFrame() { createContents(); } private void createContents() { frame = new JFrame(); frame.setTitle("登录"); frame.getContentPane().setFocusCycleRoot(true); frame.getContentPane().setBackground(Color.LIGHT_GRAY); frame.getContentPane().setLayout(null); frame.setBounds(400, 150, 490, 375); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); btnlogin = new JButton(); btnlogin.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent arg0) { String name = textUsername.getText().trim(); String password = textpwd.getText().trim(); Connection conn = null; PreparedStatement pstmt=null; ResultSet rs=null; int flag=0; if(name.equals("")||password.equals("")){ flag=2; } int right=0; try { String sql = "select * from login where userName=?"; conn = (Connection)JDBC.getConnection(); pstmt= (PreparedStatement)conn.prepareStatement(sql); pstmt.setString(1, name); rs=(ResultSet) pstmt.executeQuery(); while(rs.next()){ String userName=rs.getString("userName"); String passWord=rs.getString("passWord"); right=rs.getInt("admin"); if(userName.equals(name)&&passWord.equals(password)){ flag = 1; } } switch(flag){ case 1: if((right==1)){ BackRun admin = new BackRun(); admin.frame.setVisible(true); frame.setVisible(false); break; }else{ FrontRun admin= new FrontRun(); admin.frame.setVisible(true); frame.setVisible(false); break; } case 2: JOptionPane.showMessageDialog(btnlogin ,"用户名或密码不能为空,请您重新输入！"); break; default: JOptionPane.showMessageDialog(btnlogin ,"用户名或密码 不正确,请您重新输入！"); break; } } catch (Exception e) { e.printStackTrace(); } } }); btnlogin.setText(" 登陆"); btnlogin.setBounds(75, 215, 83, 28); frame.getContentPane().add(btnlogin); btnreset = new JButton(); btnreset.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent arg0) { textUsername.setText(""); textpwd.setText(""); } }); btnreset.setText("重置"); btnreset.setBounds(195, 215, 83, 28); frame.getContentPane().add(btnreset); labUserName = new JLabel(); labUserName.setText("用户名："); labUserName.setBounds(75, 130, 52, 18); frame.getContentPane().add(labUserName); labpwd = new JLabel(); labpwd.setText("密 码："); labpwd.setBounds(75, 175, 66, 18); frame.getContentPane().add(labpwd); textUsername = new JTextField(); textUsername.setBounds(145, 130, 188, 22); frame.getContentPane().add(textUsername); textpwd = new JPasswordField(); textpwd.setBounds(145, 170, 188, 22); frame.getContentPane().add(textpwd); btnregister = new JButton(); btnregister.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent arg0) { Register rs = new Register(); rs.frame.setVisible(true); } }); btnregister.setText("注册"); btnregister.setBounds(270, 270, 81, 28); frame.getContentPane().add(btnregister); button = new JButton(); button.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent arg0) { System.exit(0); } }); button.setText("退出"); button.setBounds(310, 215, 83, 28); frame.getContentPane().add(button); label = new JLabel(); label.setText("还没有账号？赶快点击注册吧!"); label.setBounds(85, 275, 181, 33); frame.getContentPane().add(label);} }

Register.java

package loginManage;import java.awt.Color;import java.awt.Component;import java.awt.EventQueue;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPasswordField;import javax.swing.JTextField;import com.mysql.jdbc.PreparedStatement;import com.swtdesigner.SwingResourceManager;public class Register { private JButton button; private JButton btnregister; private JLabel labpwd; private JLabel labUserName; private JPasswordField textpwd; private JTextField textUsername; public JFrame frame; public boolean flag=false; public static void main(String args[]) { EventQueue.invokeLater(new Runnable() { public void run() { try { Register window = new Register(); window.frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } public Register() { createContents(); } private void createContents() { frame = new JFrame(); frame.getContentPane().setFocusCycleRoot(true); frame.getContentPane().setBackground(Color.LIGHT_GRAY); frame.getContentPane().setLayout(null); frame.setBounds(350, 150, 500, 375); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); labUserName = new JLabel(); labUserName.setText("用户名："); labUserName.setBounds(109, 182, 52, 18); frame.getContentPane().add(labUserName); labpwd = new JLabel(); labpwd.setText("密 码："); labpwd.setBounds(109, 224, 66, 18); frame.getContentPane().add(labpwd); textUsername = new JTextField(); textUsername.setBounds(190, 180, 188, 22); frame.getContentPane().add(textUsername); textpwd = new JPasswordField(); textpwd.setBounds(190, 222, 188, 22); frame.getContentPane().add(textpwd); btnregister = new JButton(); btnregister.addActionListener(new ActionListener() { @SuppressWarnings("deprecation") public void actionPerformed(final ActionEvent arg0) { PreparedStatement st=null; Connection con =null; String sqlStr="insert into login(userName,passWord) values(?,?)"; try { Class.forName("com.mysql.jdbc.Driver"); } catch (ClassNotFoundException e1) { e1.printStackTrace(); } try { con = DriverManager.getConnection("jdbc:mysql://localhost:3306/hotel","root","125800"); st = (PreparedStatement) con.prepareStatement(sqlStr); } catch (SQLException e1) { e1.printStackTrace(); } String name = textUsername.getText().trim(); String password = textpwd.getText().trim(); if(name.equals("")||password.equals("")){ JOptionPane.showMessageDialog(btnregister ,"用户名或密码不能为空,请您重新输入！"); }else{ try { st.setString(1,name); st.setString(2,password); st.execute(); flag=true; if(flag){ JOptionPane.showMessageDialog(btnregister, "注册成功\n点确定返回登录界面"); LoginFrame backMain=new LoginFrame(); backMain.frame.setVisible(true); frame.setVisible(false); }else{ JOptionPane.showMessageDialog(btnregister, "注册失败\n点确定返回登录界面"); } } catch (SQLException e) { e.printStackTrace(); } }// JOptionPane.showMessageDialog(btnregister, "注册成功\n点确定返回登录界面");// loginFrame backMain=new loginFrame();// backMain.frame.setVisible(true);// frame.setVisible(false); try { st.close(); con.close(); } catch (SQLException e1) { e1.printStackTrace(); } } }); btnregister.setText("提交"); btnregister.setBounds(162, 268, 95, 28); frame.getContentPane().add(btnregister); button = new JButton(); button.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent arg0) { frame.setVisible(false); } }); button.setText("返回"); button.setBounds(283, 268, 95, 28); frame.getContentPane().add(button); final JLabel label = new JLabel(); label.setIcon(SwingResourceManager.getIcon(Register.class, "/648.gif")); label.setBounds(0, 0, 492, 341); frame.getContentPane().add(label);// frame.getContentPane().setFocusTraversalPolicy(new FocusTraversalOnArray(new Component[] {labUserName, labpwd, btnregister, textUsername, textpwd, button})); }}

完整代码：Java实现酒店客房管理系统

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