2019-05-04

import requests  
from bs4 import BeautifulSoup  
#引入BS库  
res = requests.get('https://localprod.pandateacher.com/python-manuscript/crawler-html/spider-men5.0.html')   
html = res.text  
soup = BeautifulSoup(html,'html.parser') #把网页解析为BeautifulSoup对象  
# print(res.text)   # 获取到的html文本  
# print(soup)       # 获取到的html文本  
# print(type(soup))  # soup为<class 'bs4.BeautifulSoup'>对象，非字符串  
  
items = soup.find_all(class_='books')  # 通过匹配标签和属性提取我们想要的数据  
# print(items[0])   # 打印items  
# print(len(items))   # 打印items  
# print(type(items))   # items的数据类型<class 'bs4.element.ResultSet'>  
  
Tag_title = items[0].find(class_='title')  
print(Tag_title)  
print(Tag_title['href'])  
# print(str(items[0])+'__________________')