Java实现酒店客房管理系统
2021-03-19 00:25
标签：import log man password value username 重置 lex des 这篇文章主要为大家详细介绍了Java实现酒店客房管理系统，具有一定的参考价值，感兴趣的小伙伴们可以参考一下 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 Register.java Java实现酒店客房管理系统 标签：import log man password value username 重置 lex des 原文地址：https://www.cnblogs.com/ypha/p/13763872.htmlpackage 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);
}
}
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}));
}
}