参考链接: https://blog.csdn.net/weixin_36604953/article/details/78156605 代码:(亲测可以运行) 1importrequests2frombs4importBeautifulSoup3importre4importrandom5importtime678#爬虫主函数9defmm(url):10#设置目标url,使用requests创建请求11header ={12"User-Agent":"Mozilla/5.0 (Windows NT 6.1; WOW64) App...
private String myDomain; // 域名 private String fPath = "CSDN"; // 储存网页文件的目录名 private ArrayList<String> arrUrls = new ArrayList<String>(); // 存储未处理URL private ArrayList<String> arrUrl = new ArrayList<String>(); // 存储所有URL供建立索引 private Hashtable<String, Integer> ...
frommultiprocessingimportPoolimportrequestsdefscrape(url):try:requests.get(url)print(f'URL {url} Scraped')except:print(f'URL {url} not Scraped')if__name__=='__main__':pool=Pool(processes=3)urls=['https://www.baidu.com','http://www.meituan.com/','http://blog.csdn.net/','http:/...
base_url = "https://blog.csdn.net/weixin_42859280/article/list/" for x in range(pages): r = requests.get(base_url+str(x+1)) titles = re.findall(r'\n.*?\n(.*?)', r.content.decode(), re.MULTILINE) visits = re.findall( r'阅读数:(.*?)', r.content.decode()) nn.appen...
"http://www.csdn.net", "http://www.cricode.com"] sum = 0 #我们设定终止条件为:爬取到100000个页面时,就不玩了 while sum < 10000 : if sum < len(seds): r = requests.get(seds[sum]) sum = sum + 1 do_save_action(r)
csdn.net/qq_43819274/article/details/108371858Python知识点:循环语句(while、for、break、continue):https://blogcsdn.net/qq_43819274/article/details/108372498Python知识点:字符串:https://blogcsdn.net/qq_43819274/article/details/108386081Python知识点:列表:https://blogcsdn.net/qq_43819274/article...
csdn.net/qq_43819274/article/details/108371858Python知识点:循环语句(while、for、break、continue):https://blogcsdn.net/qq_43819274/article/details/108372498Python知识点:字符串:https://blogcsdn.net/qq_43819274/article/details/108386081Python知识点:列表:https://blogcsdn.net/qq_43819274/article...
作者:Jack-Cui,热爱技术分享,活跃于 CSDN 和知乎,开设的《Python3网络爬虫入门》、《Python3机器学习》等专栏受到好评。 声明:本文讲解的实战内容,均仅用于学习交流,请勿用于任何商业用途! 一、前言 强烈建议:请在电脑的陪同下,阅读本文。本文以实战为主,阅读过程如稍有不适,还望多加练习。
>'link=re.compile(pat).findall(data)link=list(set(link))returnlinkurl="http://blog.csdn.net/"linklist=getlink(url)n=0forlinkinlinklist:print(link)#print(link[0])n+=1print(n) 这次爬的是csdn的blog主页上的所有链接。看我的两个不一样的pattern,其实抓链接有两种方式,一种是通过观察它在...
安装PIP参考：http://blog.csdn.net/eastmount/article/details/47785123通过pip list outdated命令查看软件...