package?net.vicp.zyl_me.control;

import?java.io.IOException;
import?java.util.ArrayList;

import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?javax.servlet.http.HttpSession;

import?net.vicp.zyl_me.model.CartHandler;
import?net.vicp.zyl_me.model.GoodsBean;

public?class?CartServlet?extends?HttpServlet?{

	/**
	?*?The?doGet?method?of?the?servlet.?

	?*?
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?get.
	?*?
	?*?@param?request
	?*????????????the?request?send?by?the?client?to?the?server
	?*?@param?response
	?*????????????the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException
	?*?????????????if?an?error?occurred
	?*?@throws?IOException
	?*?????????????if?an?error?occurred
	?*/
	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{

		response.setContentType（“text/html“）;
		response.setCharacterEncoding（“utf-8“）;
		String?action?=?request.getParameter（“action“）;
		String?id?=?request.getParameter（“id“）;
		HttpSession?session?=?request.getSession（）;
		CartHandler?cartHandler?=?（CartHandler）?session.getAttribute（“cartHandler“）;
		//?保持只有一個購物車【CartHandler]
		if?（cartHandler?==?null）?{
			//?說明第一次購物
			cartHandler?=?new?CartHandler（）;
			request.getSession（）.setAttribute（“cartHandler“?cartHandler）;
		}
		if?（id?!=?null）//?不是查看，是添加商品或刪除商品
		{
			if?（“del“.equals（action））?{
				cartHandler.removeGoodsById（id）;
			}?else?if?（“add“.equals（action））?{
				cartHandler.AddGoods1QuantityById（id）;
			}?else?if?（“sub“.equals（action））?{
				cartHandler.SubGoods1QuantityById（id）;
			}?else//?添加新貨物
			{
				cartHandler.addNewGoods（id?“1“）;
			}
		}
		ArrayList?cart?=?cartHandler.getGoods（）;
		ArrayList?goods?=?new?ArrayList（）;
		for（int?i?=?0;i?			goods.add（Integer.parseInt（cartHandler.getGoodsCountById（cart.get（i）.getGoodsid（）+““）））;
		request.setAttribute（“cart“?cart）;
		request.setAttribute（“goodsNums“goods）;
		request.getRequestDispatcher（“cart.jsp“）.forward（request?response）;
	}

	/**
	?*?The?doPost?method?of?the?servlet.?

	?*?
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to
	?*?post.
	?*?
	?*?@param?request
	?*????????????the?request?send?by?the?client?to?the?server
	?*?@param?response
	?*????????????the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException
	?*?????????????if?an?error?occurred
	?*?@throws?IOException
	?*?????????????if?an?error?occurred
	?*/
	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{

		doGet（request?response）;
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-05-27?09:21??bookstore-master\
?????文件?????????840??2015-05-27?09:21??bookstore-master\.classpath
?????文件???????????8??2015-05-27?09:21??bookstore-master\.gitignore
?????文件????????1408??2015-05-27?09:21??bookstore-master\.project
?????目錄???????????0??2015-05-27?09:21??bookstore-master\.settings\
?????文件?????????522??2015-05-27?09:21??bookstore-master\.settings\.jsdtscope
?????文件?????????364??2015-05-27?09:21??bookstore-master\.settings\org.eclipse.jdt.core.prefs
?????文件?????????478??2015-05-27?09:21??bookstore-master\.settings\org.eclipse.wst.common.component
?????文件?????????414??2015-05-27?09:21??bookstore-master\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2015-05-27?09:21??bookstore-master\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2015-05-27?09:21??bookstore-master\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件?????????108??2015-05-27?09:21??bookstore-master\README.md
?????文件???????????0??2015-05-27?09:21??bookstore-master\README.md~
?????目錄???????????0??2015-05-27?09:21??bookstore-master\WebRoot\
?????目錄???????????0??2015-05-27?09:21??bookstore-master\WebRoot\meta-INF\
?????文件??????????39??2015-05-27?09:21??bookstore-master\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2015-05-27?09:21??bookstore-master\WebRoot\WEB-INF\
?????目錄???????????0??2015-05-27?09:21??bookstore-master\WebRoot\WEB-INF\lib\
?????文件??????872303??2015-05-27?09:21??bookstore-master\WebRoot\WEB-INF\lib\mysql-connector-java-5.1.27-bin.jar
?????文件????????2362??2015-05-27?09:21??bookstore-master\WebRoot\WEB-INF\web.xml
?????文件????????1679??2015-05-27?09:21??bookstore-master\WebRoot\about.jsp
?????文件????????4348??2015-05-27?09:21??bookstore-master\WebRoot\books.jsp
?????文件????????4224??2015-05-27?09:21??bookstore-master\WebRoot\cart.jsp
?????文件????????2494??2015-05-27?09:21??bookstore-master\WebRoot\contact.jsp
?????文件????????2690??2015-05-27?09:21??bookstore-master\WebRoot\content-left.jsp
?????文件????????2595??2015-05-27?09:21??bookstore-master\WebRoot\content-right.jsp
?????目錄???????????0??2015-05-27?09:21??bookstore-master\WebRoot\css\
?????文件????????1265??2015-05-27?09:21??bookstore-master\WebRoot\css\about.css
?????文件????????1292??2015-05-27?09:21??bookstore-master\WebRoot\css\books.css
?????文件????????1815??2015-05-27?09:21??bookstore-master\WebRoot\css\cart.css
?????文件????????2897??2015-05-27?09:21??bookstore-master\WebRoot\css\contact.css
............此處省略126個文件信息