Java实现酒店客房管理系统

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

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