package?cn.tf.bean;

import?java.io.Serializable;
import?java.util.HashMap;
import?java.util.Map;

import?cn.tf.domain.Book;

public?class?Cart?implements?Serializable{
	
	private?Map?items?=?new?HashMap（）;
	private?float?price;//總價(jià)
	private?int?number;//總數(shù)量
	public?Map?getItems（）?{
		return?items;
	}
	//向items中添加一項(xiàng)
	public?void?addBook2Items（Book?book）{
		//書在items中有：數(shù)量加1
		if（items.containsKey（book.getId（）））{
			CartItem?item?=?items.get（book.getId（））;
			item.setNumber（item.getNumber（）+1）;
		}else{
		//沒(méi)有：創(chuàng)建一個(gè)新項(xiàng)
			CartItem?item?=?new?CartItem（book）;
			item.setNumber（1）;
			items.put（book.getId（）?item）;
		}
	}
	
	public?float?getPrice（）?{
		price?=?0;
		for（Map.Entry?me:items.entrySet（））{
			price+=me.getValue（）.getPrice（）;
		}
		return?price;
	}
	public?void?setPrice（float?price）?{
		this.price?=?price;
	}
	public?int?getNumber（）?{
		number?=?0;
		for（Map.Entry?me:items.entrySet（））{
			number+=me.getValue（）.getNumber（）;
		}
		return?number;
	}
	public?void?setNumber（int?number）?{
		this.number?=?number;
	}
	
	
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-20?12:21??BookStore\
?????文件????????1397??2018-12-17?14:30??BookStore\.classpath
?????文件????????1288??2016-08-09?17:56??BookStore\.project
?????目錄???????????0??2018-12-17?14:31??BookStore\.settings\
?????文件?????????510??2016-08-09?17:56??BookStore\.settings\.jsdtscope
?????文件??????????57??2018-12-17?14:31??BookStore\.settings\org.eclipse.core.resources.prefs
?????文件?????????357??2016-08-09?17:56??BookStore\.settings\org.eclipse.jdt.core.prefs
?????文件?????????479??2016-08-09?17:56??BookStore\.settings\org.eclipse.wst.common.component
?????文件?????????403??2016-08-09?17:56??BookStore\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2016-08-09?17:56??BookStore\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2016-08-09?17:56??BookStore\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2018-12-23?16:56??BookStore\WebRoot\
?????目錄???????????0??2018-12-17?14:30??BookStore\WebRoot\meta-INF\
?????文件??????????36??2016-08-09?17:56??BookStore\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2018-12-17?14:30??BookStore\WebRoot\WEB-INF\
?????目錄???????????0??2018-12-20?09:39??BookStore\WebRoot\WEB-INF\classes\
?????文件?????????590??2018-12-20?09:39??BookStore\WebRoot\WEB-INF\classes\c3p0-config.xml
?????目錄???????????0??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\
?????目錄???????????0??2018-12-20?12:38??BookStore\WebRoot\WEB-INF\classes\cn\tf\
?????目錄???????????0??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\tf\bean\
?????文件????????2330??2018-12-23?16:37??BookStore\WebRoot\WEB-INF\classes\cn\tf\bean\Cart.class
?????文件????????1024??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\tf\bean\CartItem.class
?????目錄???????????0??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\tf\commons\
?????文件????????2448??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\tf\commons\Page.class
?????目錄???????????0??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\tf\controller\
?????文件????????9835??2018-12-20?09:50??BookStore\WebRoot\WEB-INF\classes\cn\tf\controller\ClientServlet.class
?????文件????????2534??2018-12-20?09:46??BookStore\WebRoot\WEB-INF\classes\cn\tf\controller\LoginServlet.class
?????文件????????8257??2018-12-23?17:16??BookStore\WebRoot\WEB-INF\classes\cn\tf\controller\ManageServlet.class
?????文件????????2779??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\tf\controller\PayServlet.class
?????文件????????3035??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\tf\controller\ResponsePayServlet.class
?????目錄???????????0??2018-12-17?14:31??BookStore\WebRoot\WEB-INF\classes\cn\tf\dao\
............此處省略131個(gè)文件信息