Question

我正在使用BeautifulSoup从html提取标签。有一些具有多个CSS类示例的html标记：

DispatchQueue.main.async {
                let notifTrigger = UNTimeIntervalNotificationTrigger(timeInterval: 6.0, repeats: false)
                let request = UNNotificationRequest(identifier: "myNotification", content:  notif, trigger: notifTrigger)

                UNUserNotificationCenter.current().add(request) { (error) in
                    if error != nil{
                        print(error!)
                        completionHandler(.failed) // Add this line
                    } else {
                        completionHandler(.noData) // Add this line
                    }
                }
            }

当我使用上面的代码时，它同时给了我两个标签。有什么办法可以让我获得包含所有css的元素。

Answer 1

这将找到所有具有'class'属性并具有所有指定类的标签（a，div或其他标签）

from bs4 import BeautifulSoup

html = '''
         <a class='a-link-normal s-access-detail-page s-color-twister-title-link a-text-normal'>This is a anchor text</a>
         <div class='s-access-detail-page s-color-twister-title-link a-text-normal'>Div text</div>
       '''

soup = BeautifulSoup(html, "lxml")
all_prod_links = soup.find_all(
    lambda t: 'class' in t.attrs and 'a-link-normal' in t['class'] and \
                       's-access-detail-page' in t['class'] and \
                       's-color-twister-title-link' in t['class'] and \
                       'a-text-normal' in t['class'])

print(all_prod_links)

打印：

[<a class="a-link-normal s-access-detail-page s-color-twister-title-link a-text-normal">This is a anchor text</a>]

Answer 2

html = '''
         <a class ='a-link-normal s-access-detail-page s-color-twister-title-link a-text-normal'>This is a anchor text</a>
         <div class ='s-access-detail-page s-color-twister-title-link a-text-normal'>Div text</div>
       '''

soup = BeautifulSoup(html, "lxml")
all_prod_links = soup.find_all(attrs={'class':'a-link-normal s-access-detail-page s-color-twister-title-link a-text-normal'})

结果是

[<a class="a-link-normal s-access-detail-page s-color-twister-title-link a-text-normal">This is a anchor text</a>]

选择带有多个CSS BeautifulSoup的HTML标签

2 个答案: