Python 多进程爬虫实例 import json import re import time from multiprocessing import Pool import requests from requests.exceptions import RequestException from bs4 import BeautifulSoup def get_one_page(url): try: response = requests.get(url) if response.sta
1.shell爬虫实例: [root@db01 ~]# vim pa.sh #!/bin/bash www_link=http://www.cnblogs.com/clsn/default.html?page= for i in {1..8} do a=`curl ${www_link}${i} 2>/dev/null|grep homepage|grep -v "ImageLink"|awk -F "[><\"]" '{print $7
Scrapy(官网 http://scrapy.org/)是一款功能强大的,用户可定制的网络爬虫软件包.其官方描述称:" Scrapy is a fast high-level screen scraping and web crawling framework, used to crawl websites and extract structured data from their pages. It can be used for a wide range of purposes, fro