zhucedb.java

JAVA 聊天室源码

package liaotshi2;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.sql.*;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;


public class zhucedb extends JFrame implements ActionListener {
	JPanel panel;
	JLabel id;
	JLabel ps,ps2;
	JLabel email;
	JTextField idtext;
	JTextField pstext;
	JTextField ps2text;
	JTextField emailtext;
	JButton b1;
	JButton b2;
	JButton b3, add;
	int n = 1;
	int m=0;

	public zhucedb() {
		// panel=new JPanel();
		super("注册登陆");
		panel = new JPanel(new BorderLayout());
		id = new JLabel("用 户 名：");
		ps = new JLabel("密   码：");
		ps2 = new JLabel("确认密码：");
		email = new JLabel("E_Mail：");
		idtext = new JTextField(7);
		pstext = new JTextField(7);
		ps2text = new JTextField(7);
		emailtext = new JTextField(7);
		// FlowLayout f=new FlowLayout(FlowLayout.LEFT);

		panel.setLayout(new FlowLayout());

		b1 = new JButton("注册");
		b2 = new JButton("返回");
		//b3 = new JButton("下一条");
	//	add = new JButton("添加");
		b1.addActionListener(this);
		b2.addActionListener(this);
		//b3.addActionListener(this);
		// 为b1注册监听程序
//		JPanel p1 = new JPanel();
//		JPanel p2 = new JPanel();
//		JPanel p3 = new JPanel();
//		JPanel p4 = new JPanel();
		panel.add(id);
		panel.add(idtext);
		panel.add(ps);
		panel.add(pstext);
		panel.add(ps2);
		panel.add(ps2text);
		panel.add(email);
		panel.add(emailtext);

		//p3.add(age);
		//p3.add(agetext);
		panel.add(b1);
		panel.add(b2);
//		p4.add(b3);
//		panel.add(p1);
//		panel.add(p2, "Center");
//		panel.add(p3, "Center");
//		panel.add(p4, "North");
		getContentPane().add(panel);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		this.setSize(230, 300);
		this.setVisible(true);
	}

	public void actionPerformed(ActionEvent e) {
		// JOptionPane.showMessageDialog(null,"hello");
		//注册
		if (e.getSource() == b1) {
			// JOptionPane.showMessageDialog(null,"hello");
			zc();

		}
		if (e.getSource() == b2) {
			// JOptionPane.showMessageDialog(null,"world");
			new chatClient();
	    	this.dispose();
		}
//		if (e.getSource() == b3) {
//			// JOptionPane.showMessageDialog(null,"world");
//		//	fw3();
//		}

	}

	public void zc() {
		Connection con=null ;
		try {

			Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
			con= DriverManager.getConnection("jdbc:odbc:myDSN",
					"sa", "niit");
			con.setAutoCommit(false);//不让系统自动提交事务
			CallableStatement cs=con.prepareCall("{call prcInsert(?,?,?)}");
			cs.setString(1, idtext.getText());
			cs.setString(2, pstext.getText());
            cs.setString(3, "23");
            int result=cs.executeUpdate();
            Statement stat=con.createStatement();
            ResultSet rs=stat.executeQuery("select count(*) from biao");
            rs.next();
            int count=rs.getInt(1);
            System.out.println(count);
            if(result>0&&count<6)
            	{
            	con.commit();
            	JOptionPane.showMessageDialog(null, "注册成功");
            	
            	}
            else
            	{
            	con.rollback();
            	JOptionPane.showMessageDialog(null, "本聊天室注册已满！");
            	}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			try {
				con.rollback();
			} catch (SQLException e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
			e.printStackTrace();
		}

	}
	public static void main(String[] args) {
		new zhucedb();
	}
}