[英]select value from drop-down list in beautifulsoup4
I am trying to navigate this drop-down list in BeautifulSoup4 and cannot find a BS4 fuction to insert "selected" in the right place. 我试图在BeautifulSoup4中浏览此下拉列表,但找不到在正确的位置插入“ selected”的BS4功能。 The list looks like this: 该列表如下所示:
<select name="sport" id="sport" onchange="mask('Processing'); changeSports(this.value);">
<option value="">Select Sport</option>
<option value="MBA" >Baseball</option>
<option value="MBB" >Men's Basketball</option>
<option value="MFB" >Football</option>
<option value="MIH" >Men's Ice Hockey</option>
<option value="MLA" >Men's Lacrosse</option>
<option value="MSO" >Men's Soccer</option>
<option value="MTE" >Men's Tennis</option>
<option value="MVB" >Men's Volleyball</option>
<option value="WBB" >Women's Basketball</option>
<option value="WBW" >Women's Bowling</option>
<option value="WFH" >Field Hockey</option>
<option value="WIH" >Women's Ice Hockey</option>
<option value="WLA" >Women's Lacrosse</option>
<option value="WSB" selected>Softball</option>
<option value="WSO" >Women's Soccer</option>
<option value="WSV" >Women's Beach Volleyball</option>
<option value="WTE" >Women's Tennis</option>
<option value="WVB" >Women's Volleyball</option>
</select>
I have been trying to insert "selected" into 我一直在尝试将“选定”插入
<option value="WSB" >Softball</option>
Using this python code: 使用以下python代码:
from bs4 import BeautifulSoup,NavigableString
import requests
headers = {'User-Agent': 'Mozilla/5.0'}
url = 'http://stats.ncaa.org/rankings/ranking_summary'
page = requests.get(url,headers=headers)
soup = BeautifulSoup(page.content, "html.parser")
sport = soup.find(value="WSB")
sport.insert(0,"selected")
print(sport)
But this produces the result: 但这会产生结果:
<option value="WSB">selectedSoftball</option>
I really don't know much about HTML so i'm having a hard time finding where to look for a solution, any advice would be greatly appreciated. 我真的对HTML不太了解,所以我很难找到在哪里寻找解决方案,任何建议将不胜感激。
In BeautifulSoup4, attributes are stored similarly to a dictionary. 在BeautifulSoup4中,属性的存储方式类似于字典。 To modify the selected
attribute of the <option>
, use sport['selected'] = ''
. 要修改<option>
的selected
属性,请使用sport['selected'] = ''
。
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