使用Python3 urllib.request中的Requests()和urlopen()方法获取页面源码,并用re正则进行正则匹配查找需要的数据. #forex.py#coding:utf-8 ''' urllib.request.urlopen() function in Python 3 is equivalent to urllib2.urlopen() in Python2 urllib.request.Request() function in Python 3 is equiva…
抓取到的item 会被发送到Item Pipeline进行处理 Item Pipeline常用于 cleansing HTML data validating scraped data (checking that the items contain certain fields) checking for duplicates (and dropping them) storing the scraped item in a database 目录 [隐藏] 1 写一个自己的item pip…