参照七月的原生爬虫教程练习结果，有部分修改
代码
from urllib import request
import re
import operator
class Spider(object):
url = 'https://www.panda.tv/cate/lol'
root_pattern = '<div class="video-info">([\s\S]*?)</div>'
name_pattern = '</i>([\s\S]*?)</span>'
number_pattern = '<span class="video-number">([\s\S]*?)</span>'
def __fetch_content(self):
r = request.urlopen(Spider.url)
htmls = r.read()
htmls = str(htmls, encoding='utf-8')
return htmls
def __analysis(self, htmls):
root_html = re.findall(Spider.root_pattern, htmls)
anchors = []
for html in root_html:
name = re.findall(Spider.name_pattern, html)[0].strip()
number = re.findall(Spider.number_pattern, html)
if '万' in number[0]:
number = number[0].rstrip('万')
number = float(number) * 10000
else:
number = float(number[0])
anchor = {'name': name, 'number': number}
anchors.append(anchor)
return anchors
def __sort(self, anchors):
anchors = sorted(anchors, key = operator.itemgetter('number'), reverse = True)
return anchors
def __show(self, anchors):
for ranking, anchor in enumerate(anchors, start = 1) :
print(f"第{ranking}位, {anchor['name']} --- {int(anchor['number'])} ")
def go(self):
htmls = self.__fetch_content()
anchors = self.__analysis(htmls)
anchors = self.__sort(anchors)
self.__show(anchors)
spider = Spider()
spider.go()
