denglu.java

学生宿舍管理系统

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Vector;

import javax.swing.*;

public class Denglu {
	static String[] ConnectOptionNames = { "登陆"," 退出" };
   static JButton btn=new JButton("oi");
	static String ConnectTitle = "登陆";

	JDBCAdapter dataBase = new JDBCAdapter("jdbc:odbc:information",
			"sun.jdbc.odbc.JdbcOdbcDriver", "", "");

	JScrollPane tableAggregate;//滚动面板

	User SystemUser;

	JPanel connectionPanel;//?

	JPasswordField passwordField=new JPasswordField("******");//密码文本框

	JTextField userNameField=new JTextField("......");//名字文本框

	JLabel userNameLabel;

	JLabel passwordLabel;

	public boolean activateConnectionDialog() {
		if (JOptionPane.showOptionDialog(tableAggregate, connectionPanel,//?
				ConnectTitle, JOptionPane.DEFAULT_OPTION,
				JOptionPane.INFORMATION_MESSAGE, null,ConnectOptionNames,
				ConnectOptionNames[0]) == 0) {
			if(!dataBase.executeQuery("select uid,uname,type from user where uid='"+userNameField.getText()
					+"' and PassWord='"+passwordField.getText()+"'")){
				JOptionPane.showMessageDialog(tableAggregate,"数据库操作失败","错误",JOptionPane.ERROR_MESSAGE,
						new ImageIcon("image/caidanx.gif"));
				return false;
			}
			Vector Vt = dataBase.GetVector();
			if (Vt.isEmpty()) {
				JOptionPane.showMessageDialog(tableAggregate, "用户名或密码错误", "提示",
						JOptionPane.ERROR_MESSAGE, new ImageIcon(
								"image/caidanx.gif"));
				return false;
			}else {
				SystemUser = new User();
				Vector newRow = (Vector) Vt.get(0);
				SystemUser.setUserId(newRow.get(0).toString());
				SystemUser.setUserName(newRow.get(1).toString());
			}
//			frame.setVisible(true);
		      
            return true;
	}
	else
		
	{System.exit(0);
		return false;
    }
	}
	public void createConnectionDialog() {
		// Create the labels and text fields.\
		do{
		userNameLabel = new JLabel("用户名: ", JLabel.LEFT);
		userNameField = new JTextField("");
		passwordLabel = new JLabel("密  码: ", JLabel.LEFT);
		passwordField = new JPasswordField("");

		connectionPanel = new JPanel();
		connectionPanel.setLayout(new BoxLayout(connectionPanel,BoxLayout.X_AXIS)
				);
		//BoxLayout.X_AXIS  BoxLayout(connectionPanel)
		/*JPanel namePanel = new JPanel(false);
		namePanel.setLayout(new GridLayout(1, 1));//设置两行一列
		namePanel.add(userNameLabel);
		namePanel.add(passwordLabel);*/

		JPanel fieldPanel = new JPanel();
		fieldPanel.setLayout(new GridLayout(4, 2));
		fieldPanel.add(userNameLabel);
		fieldPanel.add(userNameField);
		fieldPanel.add(passwordLabel);
		fieldPanel.add(passwordField);
	/*	addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {//?
				//setVisible(false);
				//dispose();
				System.exit(0);
			}
			//public void windowStateChanged(WindowEvent e){}
		});*/
		connectionPanel.add(fieldPanel);
		/*add(btn);
		btn.addActionListener(new ActionListener(){

			public void actionPerformed(ActionEvent e) {
			System.exit(0);	// TODO Auto-generated method stub
				
			}
			
		});*/
		}while(!activateConnectionDialog());
		
	}

	

	
	
}