点击图片进入出错

源自：8-8 使用Cookie实现保存商品浏览记录

控制台提示错误

严重: Servlet.service() for servlet [jsp] in context with path [/JspViewListDemo] threw exception [java.lang.NullPointerException] with root cause

java.lang.NullPointerException

提问者：追梦21 2017-04-12 21:13