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ID:38718968
大小:68.00 KB
页数:3页
时间:2019-06-18
《简单购物车和登录界面的java程序》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、GoodsBean.javapackagebean;publicclassGoodsBean{Stringid;Stringname;intprice;intcount;publicGoodsBean(){}publicGoodsBean(Stringid,Stringname,intprice,intcount){this.id=id;......}publicStringgetId(){returnid;}publicvoidsetId(Stringid){this.id=id;}......}CartB
2、ean.javapackagebean;importjava.util.ArrayList;importjava.util.Iterator;publicclassCartBean{ArrayListitems;publicCartBean(){this.items=newArrayList();}publicvoidaddItem(GoodsBeanitem){items.add(item);}publicArrayListgetItems(){returnthis.items;}publicintgetT
3、otalPrice(){inttotal=0;Iteratorit=items.iterator();while(it.hasNext()){GoodsBeanitem=(GoodsBean)it.next();total=total+item.getPrice()*item.count;}returntotal;}}CartServlet.javapackageservlet;importjava.io.IOException;importjavax.servlet.*;importjavax.servle
4、t.http.*;publicclassCartServletextendsHttpServlet{publicvoiddoGet(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException{Stringid=request.getParameter("id");Stringname=request.getParameter("name");intprice=Integer.parseInt(
5、request.getParameter("price"));intcount=Integer.parseInt(request.getParameter("count"));bean.GoodsBeanitem=newbean.GoodsBean(id,name,price,count);bean.CartBeancb=(bean.CartBean)request.getSession().getAttribute("cb");if(cb==null)cb=newbean.CartBean();cb.add
6、Item(item);request.getSession().setAttribute("cb",cb);response.sendRedirect("shopping.jsp");}publicvoiddoPost(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException{doGet(request,response);}}index.jsp<%@pagecontentType="tex
7、t/html;charset=gb2312"language="java"%>
8、iv>......商品名称、商品单价、购买数量、购买操作
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