zhuce.java

我们学完java后的一个综合作业

//用户注册
import java.awt.event.*;
import java.sql.*;

import javax.swing.*;

import java.awt.*;
public class zhuce implements ActionListener{
	JDialog dialog;
	JComboBox combo;
	JPasswordField passWd;
	JTextField tF1=new JTextField();
	//JTextField tF2=new JTextField();
	//JTextField tF3=new JTextField();
	zhuce(JFrame f)
	{
		dialog=new JDialog(f,"注册信息",true);
		Container dialogPane=dialog.getContentPane();
		dialogPane.setLayout(new GridLayout(4,2));
		dialogPane.add(new JLabel("用户名:",SwingConstants.CENTER));
		dialogPane.add(tF1);
		dialogPane.add(new JLabel("密码:",SwingConstants.CENTER));
		passWd=new JPasswordField();
		dialogPane.add(passWd);
		//dialogPane.add(tF2);
		dialogPane.add(new JLabel("权限:",SwingConstants.CENTER));
		//dialogPane.add(tF3);
		String[]data1={"1","2"};
		combo=new JComboBox(data1);
		combo.setEditable(true);
		ComboBoxEditor editor=combo.getEditor();
		combo.configureEditor(editor, "1为管理权限2为用户权限");
		dialogPane.add(combo);
		JButton b1=new JButton("确定");
		dialogPane.add(b1);
		JButton b2=new JButton("取消");
		dialogPane.add(b2);
		b1.addActionListener(this);
		b2.addActionListener(this);
		dialog.setBounds(200,150,400,130);
		dialog.setVisible(true);
	}
	public void actionPerformed(ActionEvent e)
	{
		String cmd=e.getActionCommand();
		if(cmd.equals("确定"))
		{
			String username=tF1.getText();
			String password=passWd.getText();
			String unit=combo.getSelectedItem().toString();
			if((username.equals(""))||(password.equals(""))||(unit.equals("")))
			{
				JOptionPane.showMessageDialog(dialog,"用户名或密码或权限不能为空");
			}
			else
			{
			try{
				Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
				Connection con=
					DriverManager.getConnection("jdbc:odbc:notebook","zxp","121");
				Statement stmt=con.createStatement();
				
				String SQLOrder="INSERT INTO users VALUES('"
					+username+"','"+password+"','"+unit+"')";
				dialog.dispose();
				JOptionPane.showMessageDialog(dialog,"注册成功");
				stmt.executeUpdate(SQLOrder);
				stmt.close();
				con.close();
			}catch(Exception ex){}
			}
		}else if(cmd.equals("取消"))
		{
			dialog.dispose();
		}
	}

}