作业提交: http://www.zixue.it/forum-42-1.html
    		有疑问: 发在论坛,大家讨论
    		结课实习作业---做1个商城网站,仿京东商城做出
    		首页,http://free.68ecshop.com/jingdongfree/index.php
    		栏目页,http://free.68ecshop.com/jingdongfree/category.php?id=12
    		及商品页:http://free.68ecshop.com/jingdongfree/goods.php?id=40