那位能给我一个bean，是对数据库操作的，我好研究研究

Question

everything is ok!.
but best is oracle ,operate not define

Answer 1

javabean代码
package mydate;
import java.lang.*;
import java.sql.*;
public class mydb
{
    String sDBDriver="sun.jdbc.odbc.JdbcOdbcDriver";
    String sConnStr="jdbc:odbc:chat";
    Connection conn=null;
    Statement stmt=null;
    ResultSet rs=null;
    public mydb()
    {
        try
        {
            Class.forName(sDBDriver);
        }
        catch(ClassNotFoundException e)
        {
            System.err.println("mydb:"+e.getMessage());
        }
    }
    public ResultSet executeQuery(String sql)
    {
        try
        {
            conn=DriverManager.getConnection(sConnStr);
            stmt=conn.createStatement();
            rs=stmt.executeQuery(sql);
        }
        catch(SQLException ex)
        {
            System.err.println("aq.executeQuery:"+ex.getMessage());
        }
        return rs;
    }
    public void executeUpdate(String sql)
    {
        try
        {
            conn=DriverManager.getConnection(sConnStr);
            stmt=conn.createStatement();
            stmt.executeUpdate(sql);
        }
        catch(SQLException ex)
        {
            System.err.println("aq.executeUpdate:"+ex.getMessage());
        }
        
    }
}