//类conn.db.conndb.java
            package conn.db;
            import java.sql.*;
            public class conndb {
            Connection conn;
            ResultSet rs;
            private int count;
            public conndb() {
            try {
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
            } catch (Exception ex) {}
            }
            public ResultSet executeQuery(String sql){
            try {
            conn=DriverManager.getConnection("Jdbc:Odbc:mysql","dxaw","123");
            Statement stat=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
            ResultSet.CONCUR_UPDATABLE);
            rs=stat.executeQuery(sql);
            } catch (Exception ex1) {
            }
            return rs;
            }
            public void executeUpdate(String sql){
            try {
            conn = DriverManager.getConnection("Jdbc:Odbc:mysql", "dxaw","123");
            Statement stat=conn.createStatement();
            stat.executeQuery(sql);
            } catch (Exception ex2) {
            }
            }
            }