shoppingcartbean.java

JDBC数据库高级编程源代码

package jdbcbook.ch05;

import javax.servlet.http.HttpServletRequest;
import java.util.Vector;

// 购物车的业务处理Bean
public class ShoppingCartBean
{
	public static void processRequest( HttpServletRequest request, Vector books )	
	{
		// 业务处理逻辑
		String submit = request.getParameter( "submit" );
		if( submit != null )
		{
			String book = request.getParameter( "book" );
			if( "Add".equals( submit ) )
			{
				books.add( book );
			}
			else
			{
				books.remove( book );
			}
		}
	}
}