php表单不发送联系电子邮件
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【中文标题】php表单不发送联系电子邮件【英文标题】：php form not sending contact email 【发布时间】：2019-09-04 12:16:30 【问题描述】：我正在开发新的网络并尝试创建联系表单。
php 代码：
<?php
if(isset($_POST['email']))
$email_to = "myemail@gmail.com";
$email_subject = "Working Fine!";
function died($error)
echo "We are very sorry, but there were error(s) found with the form you submitted. ";
echo "These errors appear below.<br /><br />";
echo $error."<br /><br />";
echo "Please go back and fix these errors.<br /><br />";
die();
if(!isset($_POST['name']) ||
!isset($_POST['email_fld']) ||
!isset($_POST['telephone']) ||
!isset($_POST['subject']) ||
!isset($_POST['comments']))
died('We are sorry, but there appears to be a problem with the form you submitted.');
$name = $_POST['name'];
$email = $_POST['email_fld'];
$telephone = $_POST['telephone'];
$subject = $_POST['subject'];
$msg = $_POST['msg'];
$error_message = "";
$email_exp = '/^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]2,4$/';
if(!preg_match($email_exp,$email_fld))
$error_message .= 'The Email Address you entered does not appear to be valid.<br />';
$string_exp = "/^[A-Za-z .'-]+$/";
if(!preg_match($string_exp,$subject))
$error_message .= 'The subject you entered does not appear to be valid.<br />';
if(!preg_match($string_exp,$last_name))
$error_message .= 'The Last Name you entered does not appear to be valid.<br />';
if(strlen($msg) < 2)
$error_message .= 'The Comments you entered do not appear to be valid.<br />';
if(strlen($error_message) > 0)
died($error_message);
$email_message = "Form details below.\n\n";
function clean_string($string)
$bad = array("content-type","bcc:","to:","cc:","href");
return str_replace($bad,"",$string);
$email_message .= "Name: ".clean_string($name)."\n";
$email_message .= "Email: ".clean_string($email_fld)."\n";
$email_message .= "Telephone: ".clean_string($telephone)."\n";
$email_message .= "Subject: ".clean_string($subject)."\n";
$email_message .= "Message: ".clean_string($msg)."\n";
$headers = 'From: '.$email_fld."\r\n".
'Reply-To: '.$email_fld."\r\n" .
'X-Mailer: PHP/' . phpversion();
@mail($email_to, $subject, $email_message, $headers);
?>
<?php
?>
表格：
<div class="contact-primary">
<h3 class="h6">Send Us A Message</h3>
<form name="contactForm" id="contactForm" method="post" action="cont.php" novalidate="novalidate">
<fieldset>
<div class="form-field">
<input name="name" type="text" id="name" placeholder="Your Name" value="" minlength="2" required="" aria-required="true" class="full-width">
</div>
<div class="form-field">
<input name="email_fld" type="email_fld" id="email_fld" placeholder="Your Email" value="" minlength="2" required="" aria-required="true" class="full-width">
</div>
<div class="form-field">
<input name="telephone" type="text" id="telephone" placeholder="Telephone Number" value="" required="" aria-required="true" class="full-width">
</div>
<div class="form-field">
<input name="subject" type="text" id="subject" placeholder="Subject" value="" class="full-width">
</div>
<div class="form-field">
<textarea name="msg" id="msg" placeholder="Your Message" rows="10" cols="50" required="" aria-required="true" class="full-width"></textarea>
</div>
<div class="form-field">
<button id="submit" type="submit" name="submit" class="full-width btn--primary">SEND</button>
<div class="submit-loader">
<div class="text-loader">Sending...</div>
<div class="s-loader">
<div class="bounce1"></div>
<div class="bounce2"></div>
<div class="bounce3"></div>
</div>
</div>
</div>
</fieldset>
</form>
<div class="message-warning">
Something went wrong. Please try again.
</div>
<div class="message-success">
Your message was sent, thank you!<br>
</div>
</div>
每当我按下提交按钮时，它都会显示默认的“Something going wong”消息。 但是当我配置并尝试使用普通的 html 表单时，代码工作正常。
普通 HTML 表单：
<div class="container-fluid contact-form"><!-- contact form -->
<center style="font-size:50px; font-weight:bold;">MESSAGE US</center>
<form name="contactform" method="post" action="cont.php">
<table >
<tr>
<td valign="top">
<label for="first_name">First Name *</label>
</td>
<td valign="top">
<input type="text" name="first_name" maxlength="50" size="30">
</td>
</tr>
<tr>
<td valign="top"">
<label for="last_name">Last Name *</label>
</td>
<td valign="top">
<input type="text" name="last_name" maxlength="50" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="email">Email Address *</label>
</td>
<td valign="top">
<input type="text" name="email" maxlength="80" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="telephone">Telephone Number</label>
</td>
<td valign="top">
<input type="text" name="telephone" maxlength="30" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="comments">Comments *</label>
</td>
<td valign="top">
<textarea name="comments" maxlength="1000" cols="25" rows="6"></textarea>
</td>
</tr>
<tr>
<td colspan="2" style="text-align:center">
<input type="submit" value="Submit">
</td>
</tr>
</table>
</form>
</div>
我尝试了许多在线解决方案，但无法修复它。 提前感谢任何解决方案。
【问题讨论】：
您在发送电子邮件之前检查$_POST['email']，但第一个表单没有任何名为email 的输入/按钮，而第二个表单有。
type="email_fld"..... 解决这个问题
【参考方案1】：
试试这个代码（保存为单个文件cont.php）：
<?php
if(isset($_POST['email']))
$email_to = "myemail@gmail.com";
$email_subject = "Working Fine!";
if(!isset($_POST['name']) ||
!isset($_POST['email_fld']) ||
!isset($_POST['telephone']) ||
!isset($_POST['subject']) ||
!isset($_POST['comments']))
died('We are sorry, but all fields is necessary.');
$name = $_POST['name'];
$email = $_POST['email_fld'];
$telephone = $_POST['telephone'];
$subject = $_POST['subject'];
$msg = $_POST['msg'];
$error_message = "";
$email_exp = '/^[A-Za-z0-9._%-]+@[A-Za-z0-9.-]+\.[A-Za-z]2,4$/';
if(!preg_match($email_exp,$email_fld))
$error_message .= 'The Email Address you entered does not appear to be valid.<br />';
$string_exp = "/^[A-Za-z .'-]+$/";
if(!preg_match($string_exp,$subject))
$error_message .= 'The subject you entered does not appear to be valid.<br />';
if(!preg_match($string_exp,$last_name))
$error_message .= 'The Last Name you entered does not appear to be valid.<br />';
if(strlen($msg) < 2)
$error_message .= 'The Comments you entered do not appear to be valid.<br />';
if(strlen($error_message) > 0)
died($error_message);
$email_message = "Form details below.\n\n";
function clean_string($string)
$bad = array("content-type","bcc:","to:","cc:","href");
return str_replace($bad,"",$string);
$email_message .= "Name: ".clean_string($name)."\n";
$email_message .= "Email: ".clean_string($email_fld)."\n";
$email_message .= "Telephone: ".clean_string($telephone)."\n";
$email_message .= "Subject: ".clean_string($subject)."\n";
$email_message .= "Message: ".clean_string($msg)."\n";
$headers = 'From: '.$email_fld."\r\n".
'Reply-To: '.$email_fld."\r\n" .
'X-Mailer: PHP/' . phpversion();
if (mail($email_to, $subject, $email_message, $headers))
echo '<div class="message-success">Your message was sent, thank you!</div>';
else
echo '<div class="message-warning">Something went wrong. Please try again.</div>';
exit;
?>
<div class="container-fluid contact-form"><!-- contact form -->
<center style="font-size:50px; font-weight:bold;">MESSAGE US</center>
<form name="contactform" method="post" action="cont.php">
<table >
<tr>
<td valign="top">
<label for="first_name">First Name *</label>
</td>
<td valign="top">
<input type="text" name="first_name" maxlength="50" size="30">
</td>
</tr>
<tr>
<td valign="top"">
<label for="last_name">Last Name *</label>
</td>
<td valign="top">
<input type="text" name="last_name" maxlength="50" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="email">Email Address *</label>
</td>
<td valign="top">
<input type="text" name="email" maxlength="80" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="telephone">Telephone Number</label>
</td>
<td valign="top">
<input type="text" name="telephone" maxlength="30" size="30">
</td>
</tr>
<tr>
<td valign="top">
<label for="comments">Comments *</label>
</td>
<td valign="top">
<textarea name="comments" maxlength="1000" cols="25" rows="6"></textarea>
</td>
</tr>
<tr>
<td colspan="2" style="text-align:center">
<input type="submit" value="Submit">
</td>
</tr>
</table>
</form>
</div>
此代码只是基于您的代码的示例。我不为die() 消息插入格式。我建议您在客户端插入检查到 html 表单的字段：HTML pattern Attribute。在这种情况下，您不会通过服务器端字段检查来烦扰您的冲浪者。 + 如果您不添加人工检查 CAPTCHA，此表单对于垃圾邮件发送者来说是一个很好的解决方案。
【讨论】：
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