电影,音乐,书籍
电影 http://movie.douban.com/subject/4286017/ => <div id="mainpic"> <a class="nbg" href="http://movie.douban.com/subject/4286017/photos?type=R" title="点击看更多海报"> <img src="http://img3.douban.com/mpic/s4672723.jpg" title="点击看更多海报" alt="Fast Five" rel="v:image" /> </a><br /> </div> => http://img3.douban.com/mpic/s4672723.jpg => http://img3.douban.com/spic/s4672723.jpg http://img3.douban.com/opic/s4672723.jpg
http://img3.douban.com/lpic/s4672723.jpg size: s -> m -> l -> o
音乐和电影一样 http://music.douban.com/subject/6581264/ <div id="mainpic"><a class="nbg" href="http://img3.douban.com/lpic/s6776556.jpg" title="慢灵魂"> <img src="http://img3.douban.com/mpic/s6776556.jpg" title="点击看大图" alt="慢灵魂" rel="v:photo"> </a><br> </div>
读书也一样 http://book.douban.com/subject/6009612/
/http:\/\/(book|music|movie)\.douban\.com\/.+/i 做判断
http://movie.douban.com/photos/photo/1062211744/ => http://img3.douban.com/view/photo/thumb/public/p1062211744.jpg http://img3.douban.com/view/photo/photo/public/p1062211744.jpg http://img3.douban.com/view/photo/raw/public/p1062211744.jpg
http://www.douban.com/photos/photo/998953649/ => http://img3.douban.com/view/photo/photo/public/p998953649.jpg http://img3.douban.com/view/photo/thumb/public/p1115131980.jpg
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