<p>除了机械化和硒大卫已经提到,它也可以实现与<a href="http://docs.python-requests.org" rel="noreferrer">^{<cd1>}</a>和<a href="http://www.crummy.com/software/BeautifulSoup/bs4/doc/" rel="noreferrer">^{<cd2>}</a>。</p>
<p>更清楚的是,使用<code>Requests</code>向服务器发送请求并从服务器检索响应,使用<code>BeautifulSoup</code>解析响应html以了解要向服务器发送的参数。</p>
<p>下面是我编写的一个示例脚本,它使用<code>Requests</code>和<code>BeautifulSoup</code>提交用户名和密码以登录到wikipedia:</p>
<pre><code>import requests
from bs4 import BeautifulSoup as bs
def get_login_token(raw_resp):
soup = bs(raw_resp.text, 'lxml')
token = [n['value'] for n in soup.find_all('input')
if n['name'] == 'wpLoginToken']
return token[0]
payload = {
'wpName': 'my_username',
'wpPassword': 'my_password',
'wpLoginAttempt': 'Log in',
#'wpLoginToken': '',
}
with requests.session() as s:
resp = s.get('http://en.wikipedia.org/w/index.php?title=Special:UserLogin')
payload['wpLoginToken'] = get_login_token(resp)
response_post = s.post('http://en.wikipedia.org/w/index.php?title=Special:UserLogin&action=submitlogin&type=login',
data=payload)
response = s.get('http://en.wikipedia.org/wiki/Special:Watchlist')
</code></pre>
<hr/>
<p>更新:</p>
<p>对于您的具体情况,以下是工作代码:</p>
<pre><code>import requests
from bs4 import BeautifulSoup as bs
def get_session_id(raw_resp):
soup = bs(raw_resp.text, 'lxml')
token = soup.find_all('input', {'name':'survey_session_id'})[0]['value']
return token
payload = {
'f213054909': 'o213118718', # 21st checkbox
'f213054910': 'Ronald', # first input-field
'f213054911': 'ronaldG54@gmail.com',
}
url = r'https://app.e2ma.net/app2/survey/39047/213008231/f2e46b57c8/?v=a'
with requests.session() as s:
resp = s.get(url)
payload['survey_session_id'] = get_session_id(resp)
response_post = s.post(url, data=payload)
print response_post.text
</code></pre>