python2使用beautifulsoup選擇鏈接

Question

如何在python中使用beautifulsoup選擇鏈接“ https://www.jmir.org/2018/1/e1 ”？

<a ng-href="https://www.jmir.org/2018/1/e1" ng-bind-
html="toTrust(article._data.title)" class="ng-binding" 
href="https://www.jmir.org/2018/1/e1">A Perioperative eHealth Program to 
Enhance Postoperative Recovery After Abdominal Surgery: Process Evaluation of 
a Randomized Controlled Trial</a>

我試過下面的代碼，但返回時沒有上面想要的鏈接。

for i in soup.find_all('a', href=True):
    print i["href"]

Answer 1

您必須添加類的名稱：

soup.find('a',{'class':'ng-binding'})['href']