mirror of https://github.com/injetlee/Python.git
lagou.py
injetlee
parent
8091eefc1e
commit
2520ad9143
|
|
@ -1,2 +0,0 @@
|
||||||
# 代码详细说明请看文章
|
|
||||||
|
|
||||||
|
|
@ -1,77 +0,0 @@
|
||||||
import requests
|
|
||||||
import os
|
|
||||||
import time
|
|
||||||
import threading
|
|
||||||
from bs4 import BeautifulSoup
|
|
||||||
|
|
||||||
|
|
||||||
def download_page(url):
|
|
||||||
'''
|
|
||||||
用于下载页面
|
|
||||||
'''
|
|
||||||
headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0"}
|
|
||||||
r = requests.get(url, headers=headers)
|
|
||||||
r.encoding = 'gb2312'
|
|
||||||
return r.text
|
|
||||||
|
|
||||||
|
|
||||||
def get_pic_list(html):
|
|
||||||
'''
|
|
||||||
获取每个页面的套图列表,之后循环调用get_pic函数获取图片
|
|
||||||
'''
|
|
||||||
soup = BeautifulSoup(html, 'html.parser')
|
|
||||||
pic_list = soup.find_all('li', class_='wp-item')
|
|
||||||
for i in pic_list:
|
|
||||||
a_tag = i.find('h3', class_='tit').find('a')
|
|
||||||
link = a_tag.get('href')
|
|
||||||
text = a_tag.get_text()
|
|
||||||
get_pic(link, text)
|
|
||||||
|
|
||||||
|
|
||||||
def get_pic(link, text):
|
|
||||||
'''
|
|
||||||
获取当前页面的图片,并保存
|
|
||||||
'''
|
|
||||||
html = download_page(link) # 下载界面
|
|
||||||
soup = BeautifulSoup(html, 'html.parser')
|
|
||||||
pic_list = soup.find('div', id="picture").find_all('img') # 找到界面所有图片
|
|
||||||
headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0"}
|
|
||||||
create_dir('pic/{}'.format(text))
|
|
||||||
for i in pic_list:
|
|
||||||
pic_link = i.get('src') # 拿到图片的具体 url
|
|
||||||
r = requests.get(pic_link, headers=headers) # 下载图片，之后保存到文件
|
|
||||||
with open('pic/{}/{}'.format(text, link.split('/')[-1]), 'wb') as f:
|
|
||||||
f.write(r.content)
|
|
||||||
time.sleep(1) # 休息一下，不要给网站太大压力，避免被封
|
|
||||||
|
|
||||||
|
|
||||||
def create_dir(name):
|
|
||||||
if not os.path.exists(name):
|
|
||||||
os.makedirs(name)
|
|
||||||
|
|
||||||
|
|
||||||
def execute(url):
|
|
||||||
page_html = download_page(url)
|
|
||||||
get_pic_list(page_html)
|
|
||||||
|
|
||||||
|
|
||||||
def main():
|
|
||||||
create_dir('pic')
|
|
||||||
queue = [i for i in range(1, 72)] # 构造 url 链接 页码。
|
|
||||||
threads = []
|
|
||||||
while len(queue) > 0:
|
|
||||||
for thread in threads:
|
|
||||||
if not thread.is_alive():
|
|
||||||
threads.remove(thread)
|
|
||||||
while len(threads) < 5 and len(queue) > 0: # 最大线程数设置为 5
|
|
||||||
cur_page = queue.pop(0)
|
|
||||||
url = 'http://meizitu.com/a/more_{}.html'.format(cur_page)
|
|
||||||
thread = threading.Thread(target=execute, args=(url,))
|
|
||||||
thread.setDaemon(True)
|
|
||||||
thread.start()
|
|
||||||
print('{}正在下载{}页'.format(threading.current_thread().name, cur_page))
|
|
||||||
threads.append(thread)
|
|
||||||
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
main()
|
|
||||||
|
|
@ -1,54 +0,0 @@
|
||||||
import requests
|
|
||||||
from bs4 import BeautifulSoup
|
|
||||||
|
|
||||||
|
|
||||||
def download_page(url):
|
|
||||||
headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0"}
|
|
||||||
r = requests.get(url, headers=headers)
|
|
||||||
return r.text
|
|
||||||
|
|
||||||
|
|
||||||
def get_content(html, page):
|
|
||||||
output = """第{}页 作者：{} 性别：{} 年龄：{} 点赞：{} 评论：{}\n{}\n------------\n"""
|
|
||||||
soup = BeautifulSoup(html, 'html.parser')
|
|
||||||
con = soup.find(id='content-left')
|
|
||||||
con_list = con.find_all('div', class_="article")
|
|
||||||
for i in con_list:
|
|
||||||
author = i.find('h2').string # 获取作者名字
|
|
||||||
content = i.find('div', class_='content').find('span').get_text() # 获取内容
|
|
||||||
stats = i.find('div', class_='stats')
|
|
||||||
vote = stats.find('span', class_='stats-vote').find('i', class_='number').string
|
|
||||||
comment = stats.find('span', class_='stats-comments').find('i', class_='number').string
|
|
||||||
author_info = i.find('div', class_='articleGender') # 获取作者 年龄，性别
|
|
||||||
if author_info is not None: # 非匿名用户
|
|
||||||
class_list = author_info['class']
|
|
||||||
if "womenIcon" in class_list:
|
|
||||||
gender = '女'
|
|
||||||
elif "manIcon" in class_list:
|
|
||||||
gender = '男'
|
|
||||||
else:
|
|
||||||
gender = ''
|
|
||||||
age = author_info.string # 获取年龄
|
|
||||||
else: # 匿名用户
|
|
||||||
gender = ''
|
|
||||||
age = ''
|
|
||||||
|
|
||||||
save_txt(output.format(page, author, gender, age, vote, comment, content))
|
|
||||||
|
|
||||||
|
|
||||||
def save_txt(*args):
|
|
||||||
for i in args:
|
|
||||||
with open('qiubai.txt', 'a', encoding='utf-8') as f:
|
|
||||||
f.write(i)
|
|
||||||
|
|
||||||
|
|
||||||
def main():
|
|
||||||
# 我们点击下面链接，在页面下方可以看到共有13页，可以构造如下 url，
|
|
||||||
# 当然我们最好是用 Beautiful Soup找到页面底部有多少页。
|
|
||||||
for i in range(1, 14):
|
|
||||||
url = 'https://qiushibaike.com/text/page/{}'.format(i)
|
|
||||||
html = download_page(url)
|
|
||||||
get_content(html, i)
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
main()
|
|
||||||
|
|
@ -0,0 +1,83 @@
|
||||||
|
import random
|
||||||
|
import time
|
||||||
|
|
||||||
|
import requests
|
||||||
|
from openpyxl import Workbook
|
||||||
|
import pymysql.cursors
|
||||||
|
|
||||||
|
|
||||||
|
def get_conn():
|
||||||
|
'''建立数据库连接'''
|
||||||
|
conn = pymysql.connect(host='localhost',
|
||||||
|
user='root',
|
||||||
|
password='root',
|
||||||
|
db='python',
|
||||||
|
charset='utf8mb4',
|
||||||
|
cursorclass=pymysql.cursors.DictCursor)
|
||||||
|
return conn
|
||||||
|
|
||||||
|
|
||||||
|
def insert(conn, info):
|
||||||
|
'''数据写入数据库'''
|
||||||
|
with conn.cursor() as cursor:
|
||||||
|
sql = "INSERT INTO `python` (`shortname`, `fullname`, `industryfield`, `companySize`, `salary`, `city`, `education`) VALUES (%s, %s, %s, %s, %s, %s, %s)"
|
||||||
|
cursor.execute(sql, info)
|
||||||
|
conn.commit()
|
||||||
|
|
||||||
|
|
||||||
|
def get_json(url, page, lang_name):
|
||||||
|
'''返回当前页面的信息列表'''
|
||||||
|
headers = {
|
||||||
|
'Host': 'www.lagou.com',
|
||||||
|
'Connection': 'keep-alive',
|
||||||
|
'Content-Length': '23',
|
||||||
|
'Origin': 'https://www.lagou.com',
|
||||||
|
'X-Anit-Forge-Code': '0',
|
||||||
|
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0',
|
||||||
|
'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
|
||||||
|
'Accept': 'application/json, text/javascript, */*; q=0.01',
|
||||||
|
'X-Requested-With': 'XMLHttpRequest',
|
||||||
|
'X-Anit-Forge-Token': 'None',
|
||||||
|
'Referer': 'https://www.lagou.com/jobs/list_python?city=%E5%85%A8%E5%9B%BD&cl=false&fromSearch=true&labelWords=&suginput=',
|
||||||
|
'Accept-Encoding': 'gzip, deflate, br',
|
||||||
|
'Accept-Language': 'en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7'
|
||||||
|
}
|
||||||
|
data = {'first': 'false', 'pn': page, 'kd': lang_name}
|
||||||
|
json = requests.post(url, data, headers=headers).json()
|
||||||
|
list_con = json['content']['positionResult']['result']
|
||||||
|
info_list = []
|
||||||
|
for i in list_con:
|
||||||
|
info = []
|
||||||
|
info.append(i.get('companyShortName', '无'))
|
||||||
|
info.append(i.get('companyFullName', '无'))
|
||||||
|
info.append(i.get('industryField', '无'))
|
||||||
|
info.append(i.get('companySize', '无'))
|
||||||
|
info.append(i.get('salary', '无'))
|
||||||
|
info.append(i.get('city', '无'))
|
||||||
|
info.append(i.get('education', '无'))
|
||||||
|
info_list.append(info)
|
||||||
|
return info_list
|
||||||
|
|
||||||
|
|
||||||
|
def main():
|
||||||
|
lang_name = 'python'
|
||||||
|
wb = Workbook() # 打开 excel 工作簿
|
||||||
|
conn = get_conn() # 建立数据库连接 不存数据库 注释此行
|
||||||
|
for i in ['北京', '上海', '广州', '深圳', '杭州']: # 五个城市
|
||||||
|
page = 1
|
||||||
|
ws1 = wb.active
|
||||||
|
ws1.title = lang_name
|
||||||
|
url = 'https://www.lagou.com/jobs/positionAjax.json?city={}&needAddtionalResult=false'.format(i)
|
||||||
|
while page < 31: # 每个城市30页信息
|
||||||
|
info = get_json(url, page, lang_name)
|
||||||
|
page += 1
|
||||||
|
print(i, 'page', page)
|
||||||
|
time.sleep(random.randint(10, 20))
|
||||||
|
for row in info:
|
||||||
|
# insert(conn, tuple(row)) # 插入数据库，若不想存入 注释此行
|
||||||
|
ws1.append(row)
|
||||||
|
conn.close() # 关闭数据库连接，不存数据库 注释此行
|
||||||
|
wb.save('{}职位信息.xlsx'.format(lang_name))
|
||||||
|
|
||||||
|
if __name__ == '__main__':
|
||||||
|
main()
|
||||||
Loading…
Reference in New Issue