淘宝评论数据抓取简记
刚才趴在床上搞清楚了淘宝评论数据的抓取方法，在此记录，以备后用。
淘宝商品详情页面下方有如下script:
{"index":2,"items":[{"annoy":0,"buyer":"xxx","credit":91,"date":"2012-07-17","deal":"","rateId":19890633089,"text":"发货超快，经济实惠，以后就买你家产品了","type":0},{"annoy":0,"buyer":"xxx","credit":91,"date":"2012-07-16","deal":"","rateId":19859269704,"reply":"感谢您对我们的肯定和支持，非常感谢您对我们的服务认可，衷心的希望您能常来我们店！！！！o(∩_∩)o","text":"不好意思啊,确认晚了,发货速度很快,客服的态度也很好,特别是小依,有什么问题总能很快的得到答复.这已经是第三次购买了.","type":0},{"annoy":0,"buyer":"xxx","credit":501,"date":"2012-07-14","deal":"","rateId":19823225928,"reply":"亲，十一坊的纯的乳清蛋白粉溶解度是很好的，如果您说的其它品牌溶解速度快，那是因为那款产品里面加了速溶剂，而速溶剂属于添加剂呀，所以希望你能理解这点。另外十一坊纯乳清蛋白粉的原料是新西兰原产地纯牛奶提炼的，不知道怎么亲会闻出来羊奶味，我们有相关资质可以作证的，希望亲在好好闻闻哈！","text":"蛋白粉是我用过的的，外观最细腻的，泡沫最多的一款蛋白粉，同样也是奶味最浓的一款蛋白粉，有很浓的羊奶膻味，，（注意不是牛奶，不知为什么，）但是和美国大品牌蛋白粉比起来溶解度差，美国大品牌都是见水吉化，这款差点","type":0},{"annoy":0,"buyer":"xxx","credit":11,"date":"2012-07-14","deal":"","rateId":19816990927,"text":"好","type":0},{"annoy":0,"buyer":"xxx","credit":91,"date":"2012-07-13","deal":"","rateId":19801085374,"reply":"亲，多多关注我们店铺哦，还有更多优惠进行中~~~","text":"第二次购买了，不错的卖家。以后还会回来买。","type":0},{"annoy":0,"buyer":"xxx09","credit":11,"date":"2012-07-12","deal":"","rateId":19756966488,"reply":"感谢您对我们的肯定和支持，衷心的希望您能常来我们店！","text":"很好，有赠品和挂奖卡带金卡","type":0},{"annoy":0,"buyer":"xxx","credit":91,"date":"2012-07-11","deal":"","rateId":19726634975,"reply":"非常感谢您对店的支持~~~","text":"hao dong xi","type":0},{"annoy":0,"buyer":"xxx","credit":251,"date":"2012-07-09","deal":"","rateId":19678002719,"reply":"感谢您对我们的肯定和支持，衷心的希望您能常来我们店！","text":"很好，超划算，下次再来，谢谢小礼物","type":0},{"annoy":0,"buyer":"xxx","credit":251,"date":"2012-07-09","deal":"","rateId":19675522722,"text":"第一次来，卖家服务真好，还送了礼物，哈，还中了三等奖，别然小礼品一份，但也可看出卖家的用心，好评，会常来。","type":0},{"annoy":1,"buyer":"a**0","credit":41,"date":"2012-07-09","deal":"","rateId":19673848752,"text":"妈妈吃了，感觉还可以。坚持吃看看效果了哇。谢谢卖家的晓礼物哦","type":0},{"annoy":0,"buyer":"xxx","credit":41,"date":"2012-07-09","deal":"","rateId":19670631439,"reply":"亲，多多关注我们店铺哦，还有更多优惠进行中~~~","text":"一如即往的好,老顾客了","type":0},{"annoy":0,"buyer":"xxxx","credit":282,"date":"2012-07-06","deal":"","rateId":19611318847,"reply":"亲们若有疑问请拨打十一坊免费营养咨询热线：800 888 9988 ，非常感谢您对店的支持，祝您天天好心情~~","text":"发货速度很快，物流也很好。虽没查证，但感觉是正品，买家服务态度也很好，落发了一个摇摇杯说要给我寄过来，正在吃希望有效果，有效果再来喽！全5分好评了。。。。。","type":0},{"annoy":1,"buyer":"3**王","credit":4,"date":"2012-07-06","deal":"","rateId":19607636363,"text":"可以","type":0},{"annoy":0,"buyer":"xxx","credit":152,"date":"2012-07-06","deal":"","rateId":19596872786,"text":"蛋白粉一直在吃非常好","type":0},{"annoy":0,"buyer":"xxx","credit":152,"date":"2012-07-03","deal":"","rateId":19522938766,"text":"谢谢送的小赠品，还没喝不过看上去还不错","type":0}],"total":9}p表示page;
ps表示page size;
结果中的total为总页数(随ps的不同而不同).
rateRs应该为评价结果，取值如下：all, good, ok, bad, 1, 0, -1. 但是加上这个参数没有起作用，不知什么原因。
至此，可以完整的实现一个商品评价数据的抓取了，可以分页抓取。
注：为避免商家及买家用户信息泄露，对敏感处以xxx取代。本文仅供技术研究，不得用于其他非正常或非法用途，“Don't be evil". 转载请注明出处（http://blog.csdn.net/wave_1102/article/details/7829911）。