Python3 爬取豆瓣图书Top250并存入Excel中
#coding=utf-8
import re
import xlwt
import requests
from bs4 import BeautifulSoup
def getHtml(url):
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0'}
page = requests.get(url,headers = headers)
html =page.text
return html
if __name__=='__main__':
Workbook = xlwt.Workbook()
sheet = Workbook.add_sheet('豆瓣图书Top250')
sheet.write(2,2,'书名')
sheet.write(2,3,'作者')
sheet.write(2,4,'译者')
sheet.write(2,5,'出版单位')
sheet.write(2,6,'出版时间')
sheet.write(2,7,'定价')
sheet.write(2,8,'豆瓣评分')
sheet.write(2,9,'评价人数')
sheet.write(2,10,'一句话')
i = 3
j = 3
k = 3
m = 3
for page in range(0,250,25):
url = 'https://book.douban.com/top250?start={0}'.format(page)
html = getHtml(url)
Soup = BeautifulSoup(html,'html.parser')
names = Soup.find_all('div',class_ = 'pl2')
for name in names:
book = name.find('a')
book = book.text.strip()
book = book.replace(' ','')
sheet.write(i,2,book)
i += 1
Infos = Soup.find_all('p',class_ = 'pl')
for Info in Infos:
r = 1
authorinfo = Info.text
authors = authorinfo.split('/')
if len(authors) < 4:
sheet.write(j,5,authors[0])
sheet.write(j,6,authors[1])
sheet.write(j,7,authors[2])
j += 1
continue
sheet.write(j,3,authors[0])
if authorinfo.count('/') == 4:
sheet.write(j,4,authors[r])
r += 1
sheet.write(j,5,authors[r])
sheet.write(j,6,authors[r+1])
sheet.write(j,7,authors[r+2])
j += 1
rating_nums = Soup.find_all('div',class_ = 'star clearfix')
for rating in rating_nums:
star = rating.find_all('span')
sheet.write(k,8,star[1].text)
reg = r'\d+'
vote = re.findall(reg,star[2].text)
sheet.write(k,9,vote)
k += 1
quotes = Soup.find_all('p',class_ = 'quote')
for quote in quotes:
sheet.write(m,10,quote.text)
m += 1
Workbook.save('豆瓣图书Top250.xls')
效果截图如下：
#coding=utf-8
import re
import time
import xlwt
import requests
from lxml import etree
from bs4 import BeautifulSoup
from collections import namedtuple
def getHtml(url):
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0'}
page = requests.get(url,headers = headers)
html =page.text
return html
def get_book_info_xpath():
Book_list = []
reg = re.compile(r'\d+')
urls = [f'https://book.douban.com/top250?start={page}' for page in range(0,250,25)]
for url in urls:
html = getHtml(url)
html = etree.HTML(html)
book_names = html.cssselect('td[valign="top"]~td[valign="top"]')
for book_name in book_names:
Book = namedtuple('Book','书名,作者,译者,出版单位,出版时间,定价,豆瓣评分,评价人数,一句话')
Book.书名 = book_name.find('div//a').get('title')
author_info = book_name.findtext('p')
author_split = re.split('\s/+\s',author_info)
author_len = len(author_split)
Book.出版单位 = author_split[-3]
Book.出版时间 = author_split[-2]
Book.定价 = author_split[-1]
Book.作者 = author_split[0] if author_len > 3 else ''
Book.译者 = author_split[1] if author_len > 4 else ''
Book.豆瓣评分 = book_name.findtext('div//span[@class="rating_nums"]')
person = book_name.findtext('div//span[@class="pl"]')
Book.评价人数 = reg.search(person).group()
Book.一句话 = book_name.findtext('p//span[@class="inq"]')
Book_list.append(Book)
return Book_list
def get_book_info_bs4():
Book_list = []
reg = re.compile(r'\d+')
urls = [f'https://book.douban.com/top250?start={page}' for page in range(0,250,25)]
for url in urls:
html = getHtml(url)
soup = BeautifulSoup(html,'lxml')
book_names = soup.select('td[valign="top"] ~ td[valign="top"]')
for book_name in book_names:
Book = namedtuple('Book','书名,作者,译者,出版单位,出版时间,定价,豆瓣评分,评价人数,一句话')
Book.书名 = book_name.select_one('div.pl2 > a').get('title')
author_info = book_name.select_one('p.pl').text
author_split = re.split('\s/+\s',author_info)
author_len = len(author_split)
Book.出版单位 = author_split[-3]
Book.出版时间 = author_split[-2]
Book.定价 = author_split[-1]
Book.作者 = author_split[0] if author_len > 3 else ''
Book.译者 = author_split[1] if author_len > 4 else ''
Book.豆瓣评分 = book_name.select_one('span.rating_nums').text
person = book_name.select_one('span.pl').text
Book.评价人数 = reg.search(person).group()
one_sentence = book_name.select_one('span.inq')
Book.一句话 = one_sentence.text if one_sentence else ''
Book_list.append(Book)
return Book_list
def write_info_xls(Book_list):
Workbook = xlwt.Workbook()
sheet = Workbook.add_sheet('豆瓣图书Top250')
infos = '书名,作者,译者,出版单位,出版时间,定价,豆瓣评分,评价人数,一句话'.split(',')
for i in range(2,len(infos)+2):
sheet.write(2,i,infos[i-2])
for i in range(3,len(Book_list)+3):
sheet.write(i,2,Book_list[i-3].书名)
sheet.write(i,3,Book_list[i-3].作者)
sheet.write(i,4,Book_list[i-3].译者)
sheet.write(i,5,Book_list[i-3].出版单位)
sheet.write(i,6,Book_list[i-3].出版时间)
sheet.write(i,7,Book_list[i-3].定价)
sheet.write(i,8,Book_list[i-3].豆瓣评分)
sheet.write(i,9,Book_list[i-3].评价人数)
sheet.write(i,10,Book_list[i-3].一句话)
Workbook.save('豆瓣图书Top250.xls')
if __name__=='__main__':
Book_list = get_book_info_bs4()
write_info_xls(Book_list)欢迎关注本人微信公众号,会分享更多的干货:
