今天在pip安装BeautifulSoup4的时候,出现了"Could not find a version that satisfies the requirement beauifulSoup4 (from versions: ) No matching distribution found for beauifulSoup4"
原因:BeautifulSoup4已经集成到了bs4
使用的时候变成: import bs4
soup =bs4.BeautifulSoup(html_cont,'html.parser',from_encoding='utf-8')
原因:BeautifulSoup4已经集成到了bs4
使用的时候变成: import bs4
soup =bs4.BeautifulSoup(html_cont,'html.parser',from_encoding='utf-8')
2020-02-05
最新回答 / 慕斯8352703
改成 from urllib.parse import urljoin new_full_url = urljoin(page_url, new_url)
2020-01-22
直接输出craw faild,可能哪里有问题啊 我用的pycharm编译的。然后用其他人19年十月份成功的代码直接复制粘贴还是craw faild
2020-01-12
最赞回答 / 慕UI7096351
url = "https://wwww.baidu.com/" response = request.urlopen(url) print(response.getcode()) print(response.read()) 应该用urlopen方法 request.Request是构建一个完整的请求: req = urllib.request.Request(url) response ...
2019-12-30
python3
说实话,一大堆错误,一大堆未定义变量跟无法导入的变量(urlli3,getcode,Rquest,urlopen,cookielib,build_opener,install_opener,urlopen),更可恨的是,utf-8指定了依然报错,搞毛喔
说实话,一大堆错误,一大堆未定义变量跟无法导入的变量(urlli3,getcode,Rquest,urlopen,cookielib,build_opener,install_opener,urlopen),更可恨的是,utf-8指定了依然报错,搞毛喔
2019-11-12