爬虫这课程的代码呢?
没有老师的代码? 全是思路????
没有老师的代码? 全是思路????
2018-01-22
# coding:utf8 import urllib2 import cookielib url="http://www1.szu.edu.cn" print "第一种方法" response1=urllib2.urlopen(url) print response1.getcode() print len(response1.read()) print "第二种方法" request=urllib2.Request(url) request.add_header("user-agent", "Mozilla/5.0 ") response2=urllib2.urlopen(request) print response2.getcode() print len(response2.read()) print "第三种方法" cj=cookielib.CookieJar() opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cj)) urllib2.install_opener(opener) response3=urllib2.urlopen(url) print response3.getcode() print cj print response3.read()
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