conn.java

JSP做的一个论坛源码

package beans;
import java.sql.*;
public class conn{
		Connection conn=null;
		Statement stmt=null;
		ResultSet rs=null;
			
	public conn(){
		try{
			Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver"); 	
		}catch(java.lang.ClassNotFoundException e){
			System.err.println(e.getMessage());
		}
	}
	public ResultSet executeQuery(String sql){
		try{
			conn=DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=db_board;user=sa;password=");
			stmt=conn.createStatement();
			rs=stmt.executeQuery(sql);
		}catch(SQLException ex){
			System.err.println(ex.getMessage());
			}
		return rs;
	}	
		
}