大家快来看啊,我的javaBean在调用时,总是出现问题
package db;
import java.sql.*;
public class connect
{
private Connection conn=null;
private ResultSet rs=null;
public connect()
{
}
public Connection setConnection(String db)
{
String dbs="jdbc:odbc:"+db;
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn=DriverManager.getConnection(dbs);
}
catch(Exception e){}
return conn;
}
public ResultSet getResultset(String sql)
{
try
{
Statement stm=conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
rs=stm.executeQuery(sql);
}
catch(Exception e){}
return rs;
}
}
这是我写的javaBean