爬虫案例二:链家楼盘
前言
上个案例的粗糙版,也是可以用吧。
一.链家楼盘案例
import requests
from bs4 import BeautifulSoup
import time
import pymongo
from multiprocessing import Pool
# 创建数据库以及相应的表格
client = pymongo.MongoClient('localhost', 27017)
lianjia = client['lianjia']
boss_info = lianjia["boss_info"]
def get_soup(url):
# url = "https://www.zhipin.com/c101210100/?query=python&page=2"
headers = {
"user-agent": "******",
"cookie": "*****"
}
respose = requests.get(url, headers=headers)
soup = BeautifulSoup(respose.text, "lxml")
return soup
def get_info(url):
soup = get_soup(url)
time.sleep(1)
infos = soup.select("#main > div > ul > li > a > div > div.title ")
companys = soup.select("#main > div > ul > li > a > div > div.name")
address_requests = soup.select("#main > div > ul > li > a > div > div.msg")
for info, company, address_request in zip(infos, companys, address_requests):
data = {
"infos": info.text,
"companys": company.text,
"address_requests": address_request.text
}
boss_info.insert_one(data)
print("Insert OK!")
def get_urls():
query = ["python", "数据分析师", "人工智能", "数据挖掘", "自然语言处理", "推荐算法"]
pages = range(1, 10)
urls = []
for i in query:
for j in pages:
url = "https://www.zhipin.com/c101210100/?query={}&page={}".format(i, j)
urls.append(url)
return urls
if __name__ == "__main__":
pool = Pool()
urls = get_urls()
pool.map(get_info, (url for url in urls))
总结
也是新鲜出炉的,但是相对于上个案例来说,没这么优美,也算是能用吧。
溜了遛了,脑壳疼。Loading(27/100)。。。