黑客高手有哪些渠道可以找到 怎么联系黑客高手

本文目录一览：

• 1、求一个 java + oracle 数据库实现的 酒店客房管理系统，求好心人发我一个呀
• 2、诚心求教！java实现酒店客房管理系统（不用数据库），如能解惑，感谢之至！
• 3、如何用java编写比较完善的宾馆管理系统

求一个 java + oracle 数据库实现的 酒店客房管理系统，求好心人发我一个呀

酒店客房管理系统

java web开发

struts2+spring+hibernate

服务器：tomcat

诚心求教！java实现酒店客房管理系统（不用数据库），如能解惑，感谢之至！

那你能说说为什么你自己尝试编写总是不成功呢？为什么别的组已经完成了，而你们组没完成呢？如坐针毡？那别人在好好学习的时候，你在玩，怎么就不如坐针毡了？

如何用java编写比较完善的宾馆管理系统

package room;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import com.njit.HelloHotel;

import com.wind.util.DbUtil;

import java.io.UnsupportedEncodingException;

import java.sql.*;

public class roomadd extends JFrame

{

private JTextField roomno,roomcost,roomstatus,roomtype;

//private JComboBox roomtype;

private JButton ok,cancel,return1,chakan;

private Container contain;

public roomadd()

{

super();

this.setSize(350,450);

this.setTitle("添加信息");

this.setLocationRelativeTo(getOwner()); //居中

//设置组件布局

Container contain=getContentPane();

contain.setLayout(new BoxLayout(contain,BoxLayout.Y_AXIS));

//添加组件

JPanel cont=new JPanel (new GridLayout(4,2));

//添加组件

/*cont.add(new JLabel("客房类型"));

roomtype=new JComboBox();

roomtype.addItem("单人间");

roomtype.addItem("双人间");

roomtype.addItem("三人房");

roomtype.addItem("四人间");

cont.add(roomtype);*/

cont.add(new JLabel("客房号"));

roomno=new JTextField(10);

cont.add(roomno);

cont.add(new JLabel("房间类型"));

roomtype=new JTextField(10);

cont.add(roomtype);

cont.add(new JLabel("客房价格"));

roomcost=new JTextField(10);

cont.add(roomcost);

cont.add(new JLabel("客房状态"));

roomstatus=new JTextField(10);

cont.add(roomstatus);

//按钮

JPanel cont1=new JPanel(new FlowLayout());

ok=new JButton("添加");

cancel=new JButton("取消");

chakan=new JButton("查看");

return1=new JButton("返回");

cont1.add(ok);

cont1.add(cancel);

cont1.add(chakan);

cont1.add(return1);

contain.add(cont);

contain.add(cont1);

//注册监听器

ok.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent evt){

//ok事件处理

DbUtil util = new DbUtil();

Connection con=null;

try {

con = (Connection) util.getCon();

} catch (Exception e2) {

e2.printStackTrace();

}

String sql="insert into room values(?,?,?,?)";

PreparedStatement pstmt = null;

try {

pstmt = (PreparedStatement)con.prepareStatement(sql);

} catch (SQLException e2) {

e2.printStackTrace();

}

try {

pstmt.setString(1,roomno.getText());

pstmt.setString(2,roomtype.getText());

pstmt.setString(3,roomcost.getText());

pstmt.setString(4,roomstatus.getText());

pstmt.executeUpdate();

} catch (SQLException e1) {

e1.printStackTrace();

}

JOptionPane.showMessageDialog(null, " 注册成功！");

}

});

//查看添加的预订信息

chakan.addActionListener(new ActionListener(){

private JTable table;

public void actionPerformed(ActionEvent e) {

if(e.getSource()==chakan){

Connection con = null;

ResultSet rs=null;

DbUtil util = new DbUtil();

String[][] a;

String[] name = { "", "", "", ""};

int row = 0;

try {

con = (Connection) util.getCon();

}

catch (Exception e1) {

e1.printStackTrace();

}

try {

String roomno = null;

rs=(ResultSet) util.sroom(con, roomno);

} catch (Exception e1) {

e1.printStackTrace();

}

try {

while(rs.next()){

row++;

}

a = new String[row + 1][4];

a[0][0] = " 客房号";

a[0][1] = " 客房类型";

a[0][2] = " 客房价格 ";

a[0][3] = " 客房状态";

table = new JTable(a,name);

int i = 0;

String roomno = null;

rs=(ResultSet)util.sroom(con,roomno);

while (rs.next()) {

// 往表中填充查询到的数据

i++;

int j = 0;

table.setValueAt(new String(rs.getString("roomno").getBytes("ISO-8859-1"),"GBK") + "", i, j);

table.setValueAt(new String(rs.getString("roomtype").getBytes("ISO-8859-1"),"GBK") + "", i, ++j);

table.setValueAt(new String(rs.getString("roomcost").getBytes("ISO-8859-1"),"GBK") + "", i, ++j);

table.setValueAt(new String(rs.getString("roomstatus").getBytes("ISO-8859-1"),"GBK") + "", i, ++j);

}

} catch (SQLException e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

} catch (UnsupportedEncodingException e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

} catch (Exception e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

}

JFrame b5=new JFrame("顾客预订信息");

b5.setLayout(new BorderLayout());

b5.add(table);

b5.setBounds(200, 200, 500, 300);

b5.setVisible(true);

b5.setResizable(true);

b5.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

}

}

});

cancel.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e) {

System.exit(0);

}

});

return1.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e) {

HelloHotel hello=new HelloHotel();

hello.setVisible(true);

dispose();

}

});

pack();

}

public static void main(String[] args) {

roomadd w=new roomadd();

w.setVisible(true);

}

}

大概改改就可以是你的需要的了