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商品浏览系统之商品详细信息显示页面实现

2017-11-22 12:29 513 查看

一代码

<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8" %>

<%@ page import="entity.Items"%>

<%@ page import="dao.ItemsDAO"%>

<%
String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    <base href="<%=basePath%>">



    <title>My JSP 'details.jsp' starting page</title>



        <meta http-equiv="pragma" content="no-cache">

        <meta http-equiv="cache-control" content="no-cache">

        <meta http-equiv="expires" content="0">

        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

        <meta http-equiv="description" content="This is my page">

        

    <style type="text/css">

           div{

              float:left;

              margin-left: 30px;

              margin-right:30px;

              margin-top: 5px;

              margin-bottom: 5px;

           }

           div dd{

              margin:0px;

              font-size:10pt;

           }

           div dd.dd_name

           {

              color:blue;

           }

           div dd.dd_city

           {

              color:#000;

           }

        </style>

  </head>

  <body>

    <h1>商品详情</h1>

    <hr>

    <center>

      <table width="750" height="60" cellpadding="0" cellspacing="0" border="0">

        <tr>

          

          <%

             ItemsDAO itemDao = new ItemsDAO();

             Items item = itemDao.getItemsById(Integer.parseInt(request.getParameter("id")));

             if(item!=null)

             {

          %>

          <td width="70%" valign="top">

             <table>

               <tr>

                 <td rowspan="4"><img src="images/<%=item.getPicture()%>" width="200" height="160"/></td>

               </tr>

               <tr>

                 <td><B><%=item.getName() %></B></td>

               </tr>

               <tr>

                 <td>产地：<%=item.getCity()%></td>

               </tr>

               <tr>

                 <td>价格：<%=item.getPrice() %>￥</td>

               </tr>

             </table>

          </td>

          <%

            }

          %>

          <%

              String list ="";

              //从客户端获得Cookies集合

              Cookie[] cookies = request.getCookies();

              //遍历这个Cookies集合

              if(cookies!=null&&cookies.length>0)

              {

                      for(Cookie c:cookies)

                      {

                          if(c.getName().equals("ListViewCookie"))

                          {
                             list = c.getValue();
                          }
                      }
                  }


              list+=request.getParameter("id")+",";

              //如果浏览记录超过1000条，清零.

              String[] arr = list.split(",");

              if(arr!=null&&arr.length>0)

              {

                  if(arr.length>=1000)

                  {

                      list="";

                  }
              }

              Cookie cookie = new Cookie("ListViewCookie",list);

              response.addCookie(cookie);


          %>

          

          <td width="30%" bgcolor="#EEE" align="center">

             <br>

             <b>您浏览过的商品</b><br>

             

             <%

                ArrayList<Items> itemlist = itemDao.getViewList(list);

                if(itemlist!=null&&itemlist.size()>0 )

                {

                   System.out.println("itemlist.size="+itemlist.size());

                   for(Items i:itemlist)

                   {


             %>

             <div>

             <dl>

               <dt>

                 <a href="details.jsp?id=<%=i.getId()%>"><img src="images/<%=i.getPicture() %>" width="120" height="90" border="1"/></a>

               </dt>

               <dd class="dd_name"><%=i.getName() %></dd>

               <dd class="dd_city">产地:<%=i.getCity() %>  价格:<%=i.getPrice() %> ￥ </dd>

             </dl>

             </div>

             <%

                   }
                }

             %>

             

          </td>

        </tr>

      </table>

    </center>

  </body>

</html>

二运行结果

大小: 171 KB

查看图片附件

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