用php将html表单值发送到电子邮件

<form action="send_email.php" method="post">
  <!-- 表单字段 -->
  <input type="text" name="name" placeholder="Your Name" required>
  <input type="email" name="email" placeholder="Your Email" required>
  <textarea name="message" placeholder="Your Message" required></textarea>
  <button type="submit">Submit</button>
</form>

<?php
// 获取表单中的值
$name = $_POST['name'];
$email = $_POST['email'];
$message = $_POST['message'];

// 设置邮件接收者和主题
$to = 'recipient@example.com';
$subject = 'New Email from Website';

// 构造邮件内容
$body = "Name: $name\n\nEmail: $email\n\nMessage:\n$message";

// 设置邮件头部信息
$headers = "From: $name <$email>\r\n";
$headers .= "Reply-To: $email\r\n";

// 发送邮件
if (mail($to, $subject, $body, $headers)) {
  echo 'Email sent successfully.';
} else {
  echo 'Error sending email.';
}
?>