我正在尝试在我的网站上使用 Google reCaptcha,在学习了几个教程后,我在 HTML 页面上使用如下:
<section class="row" id="Contact">
<div class="col-full">
<form method="post" action="contact.php">
<input name="sender" placeholder="Name" size="30"><br><br>
<input name="senderEmail" placeholder="Email" size="30"><br><br>
<textarea rows="10" cols="30" name="message" placeholder="Message"></textarea><br><br>
<div class="g-recaptcha" data-sitekey="6LdFOQcTAAAAABKsku3bD6Mp3HuGYNDRN1tLlSkw"></div><br>
<input type="submit" name="submit">
</form>
</div>
</section>
内含以下内容<head>
tag:
<script src='https://www.google.com/recaptcha/api.js'></script>
该表单加载以下 PHP 脚本,如下所示谷歌的教程 https://code.google.com/p/recaptcha/wiki/FAQ:
<?php
require_once('recaptchalib.php');
echo "<pre> _POST: =========\n";
print_r($_POST);
echo "\n=========\n</pre>";
$privatekey = "privatekey";
$resp = recaptcha_check_answer ($privatekey,
$_SERVER["REMOTE_ADDR"],
$_POST["recaptcha_challenge_field"],
$_POST["recaptcha_response_field"]);
if (!$resp->is_valid)
{
die ("The reCAPTCHA wasn't entered correctly. Go back and try it again." .
"(reCAPTCHA said: " . $resp->error . ")");
}
?>
问题是我总是收到错误incorrect-captcha-sol
并且不明白为什么。我从 PHP 脚本得到的输出是:
_POST: =========
Array
(
[g-recaptcha-response] => 03AHJ_VusLbTZVbhMBH2-cyOdbM81IoG7ShDtTmyVa8e34PbghyKaRYnrb4bbeuPoJXFa-2sD5B-UIOWq_zClya-VOtq8iLHXBkAR0PrElQYiQjKTm2POkjci43-yEaenh1tu_M4vKsjJGswKFlVs6IdlWhdVaMdznLBeutgHjiHRBy7fzAi0It0x5IadwMxAqVpmG7F1gRvUcQmakij4ObTqPUK4lPdc84HkkKmY62uJ45d8DwKSeR2ifRg6wL9JFxpcZkjSp4oIlltin2uCMiBDU58QQQLLKPJuSKcmm-N5p7OEt7E6gc4UZyTLpKrJ-9mMUusvLpixwFHop0e5155vEZssxzu6Zizo-LyB1mX3XOrQ8LEceydssgLvl9gJBC4f9zDBKPQdLmjfxVKdPCXLtUZVNbMDYe7cNL7gsgwJC-hLbZYTh6UV1nUdKnFnkHAACjI7M28hpKWdiyIwcJ5UAzTMPfIllMw
)
=========
为什么我没有recaptcha_challenge_field
or recaptcha_response_field
我的 POST 上的字段以及如何解决它?