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pek8rivh9 2 years ago
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fourbook.py
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import json
import parsel
import requests
from bs4 import BeautifulSoup
def findNovelContent(url, name):
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
'Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.41'
} # 伪装成浏览器防止被反爬虫
response = requests.get(url=url, headers=headers).text # 获取网页源码
soup = BeautifulSoup(response, 'lxml') # 创建beautifulsoup对象，便于下面的解析操作
li_list = soup.select('.ml_list>ul>li') # 获取class='ml_list'下ul标签中所有li标签的内容
fp = open(name + '.txt', 'w', encoding='UTF-8') # 以写的方式创建一个文本文件编码方式为utf-8
for li in li_list:
title = li.a.string # 获取章节标题：通过网页源码可知标题在a标签中的string中
detail_url = 'https://www.1234u.net' + li.a['href'] # href存放进一步网址，将网页的前半部分与章节的href连接起来，即可获取完整的章节网址
detail_page_text = requests.get(url=detail_url, headers=headers).text # 获取章节内容的网页源码
detail_soup = BeautifulSoup(detail_page_text, 'lxml') # 创建beautifulsoup对象，便于解析操作
div_tag = detail_soup.find('p', class_="articlecontent") # 爬取章节内容：正文在class为articlecontent的p标签下
content = div_tag.text # 爬取章节内容：正文在class为articlecontent的p标签下，将其中的text内容保留下来
fp.write(title + ':' + content + '\n') # 将内容写入文件
print(title, '爬取成功！！！')
def findNovelPrice(item):
# for item in iter(book_list): # 逐元素遍历book_list
ls = [] # 新建空列表，用来保存之后存入的数据
print("开始爬取{0}的信息".format(item))
for page in range(1, 99):
print(f'========================正在保存第{page}页数据内容===================================')
url = f'https://search.dangdang.com/?key={item}&act=input&page_index={page}' # item为书名，page为页数
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) '
'Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.41'} # 请求头信息
response = requests.get(url=url, headers=headers) # 向服务器发送请求
selector = parsel.Selector(response.text) # 初始化parsel对象
lis = selector.css('.bigimg li') # 获取到所有的li标签
for li in lis: # 从li标签中提取到书籍所有的信息
title = li.css('.name a::attr(title)').get() # 标题/书名
price_n = li.css('.price .search_now_price::text').get() # 售价
picture = li.css('.pic img::attr(data-original)').get() # 图片地址
dit = {
'标题': title,
'售价': price_n,
'图片地址': picture,
} # 创建字典存放获取信息
ls.append(dit) # 将该字典嵌套存放在ls列表中
file_name = str(item) + '.json' # 将book_list中元素附带上后缀后作为文件名
fw = open(file_name, "w", encoding='utf-8')
a = json.dumps(ls[1:], sort_keys=False, indent=4, ensure_ascii=False) # 转换为json对象
fw.write(a) # 将json对象写入文件
fw.close() # 关闭文件
def findNovelComment(novelname, url):
# 伪装成浏览器防止被反爬虫
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.41"
}
# 获取评论的地址
res = requests.get(url=url, headers=headers)
res = BeautifulSoup(res.text, "lxml") # 将爬取的数据改成lxml的格式
comments = res.find("div", id="comments")
p_list = comments.find_all("p") # 将评论所在的p标签全部存入列表中，方便下面读取操作
# 以下操作将读取到的评论写入的txt文本中
data_list = [] # 创建空列表用来放评论
for i in p_list:
data_list.append(i.find("span").string) # 1.评论在p下的span标签中，将内容先存入列表中
novelname1 = f"{novelname} 的豆瓣评论"
n=0
with open(novelname1+".txt", "w", encoding='utf-8')as f:
for i in data_list: # 将列表内容写入文本文件
n=int(n)
n=n+1
n=str(n)
f.write("(" + n + ")" + i + "\n") # 将每段评论换行写入
if __name__ == '__main__' :
select = input("请您选择进行下列爬取内容：（1）四大名著小说；（2）四大名著价格信息；（3）四大名著豆瓣评论：")
select = int(select)
if select == 1:
print("#" * 20)
# 小说内容
i=0
book = input("请输入您想查询的四大名著：")
param = {'三国演义': 'https://www.1234u.net/xiaoshuo/121/121220/',
'水浒传': 'https://www.1234u.net/141/141647/',
'红楼梦': 'https://www.1234u.net/192/192648/',
'西游记': '2https://www.1234u.net/157/157874/'}
for a, b in param.items():
if a == book:
findNovelContent(b, a)
break
else:
i=i+1
if i >= 4:
print("您输入的不是四大名著！")
break
continue
elif select == 2:
print("#" * 20)
i = 0
book = input("请输入您想查询的四大名著：")
# 小说价格，名称，图片地址
book_list = ['三国演义', '红楼梦', '水浒传', '西游记']
for item in book_list:
if item == book :
findNovelPrice(item)
break
else:
i=i+1
if i >= 4:
print("您输入的不是四大名著！")
break
continue
print("价格爬取结束！")
else:
# 爬小说书评
print("#" * 20)
i = 0
book = input("请输入您想查询的四大名著：")
param1 = {
'西游记': "https://book.douban.com/subject/30137808/comments/?start=0&limit=20&status=P&sort"
"=new_score",
'红楼梦': "https://book.douban.com/subject/1007305/comments/?start=0&limit=20&status=P&sort"
"=new_score",
'水浒传': "https://book.douban.com/subject/30137810/comments/?start=0&limit=20&status=P&sort"
"=new_score",
'三国演义': "https://book.douban.com/subject/26416768/comments/?start=0&limit=20&status=P&sort"
"=new_score"}
for name, url in param1.items():
if name == book:
findNovelComment(name, url)
print("评语爬取成功！！")
break
else:
i=i+1
if i >= 4:
print("您输入的不是四大名著！")
break
continue
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