Python Web表單提交

通常,與網頁的交互需要一些數據通過html頁面中的表單提交給伺服器。這些網路表單通常用於諸如註冊新帳戶或提供一些資訊(例如姓名或卷號)以檢索檢查結果的過程。requests模組使用帶有所需參數的POST方法優雅地處理此問題。

示例

在下面的示例中,我們通過提供用戶名和密碼值來使用網站的註冊表單。提交值後,將列印回應的結果。

import requests

ID_USERNAME = 'signup-user-name'
ID_PASSWORD = 'signup-user-password'
USERNAME = 'username'
PASSWORD = 'yourpassword'
SIGNUP_URL = 'http://codepad.org/login'
def submit_form():
    """Submit a form"""
    payload = {ID_USERNAME : USERNAME, ID_PASSWORD : PASSWORD,}

    resp = requests.get(SIGNUP_URL)
    print "Response to GET request: %s" %resp.content

    resp = requests.post(SIGNUP_URL, payload)
    print "Headers from a POST request response: %s" %resp.headers
#print "HTML Response: %s" %resp.read()

if __name__ == '__main__':
    submit_form()

執行上面示例代碼,得到類似下麵結果:

Response to GET request: <!DOCTYPE html>
<html>

<head>

    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <meta HTTP-EQUIV="Pragma" CONTENT="no-cache">
    <meta HTTP-EQUIV="Expires" CONTENT="-1">

    <title>Login - codepad</title>



    <link href="/main.css" media="screen" rel="stylesheet" type="text/css" />
    <style type="text/css">


    </style>
    <script src='https://www.google.com/recaptcha/api.js'></script>
    <script>
       function onRecaptcha(token) {
         document.getElementById("editor-form").submit();
       }
    </script>
</head>


    <body >

    .....................
    .....................

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