import urllib.request # Python之后urllib2改为urllib.request
print("方法一")
url = "https://dxy.com/faq"
response_1 = urllib.request.urlopen(url)
print(response_1.getcode()) # 截取状态码，是200则成功
# print(response_1.read()) # 未解码
print(len(response_1.read()))
print("\n方法二")
request = urllib.request(url) # 错误一
request.add_header("user-agent","Mozilla/5.0 ") # 将爬虫伪装成浏览器
response_2 = urllib.request.urlopen(request)
print(response_2.getcode())
print(len(response_2.read()))
print("\n方法三")
cj = cookielib.CookieJar() # 错误二
opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cj))
urllib.request.install_opener(opener)
response_3 = urllib.request.urlopen(url)
print(response_3.getcode()) # 截取状态码，是200则成功
print cj
print(len(response_3.read()))
