Java实现酒店客房管理系统

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