掌握PHP和PHPMAILER：如何创建一个邮件联系表单？

<form action="sendmail.php" method="post">
  <input type="text" name="name" placeholder="您的姓名" required>
  <input type="email" name="email" placeholder="您的邮箱" required>
  <textarea name="message" placeholder="请输入您的留言" required></textarea>
  <input type="submit" value="发送邮件">
</form>

<?php
require 'PHPMailer/PHPMailerAutoload.php';

$name = $_POST['name'];
$email = $_POST['email'];
$message = $_POST['message'];

$mail = new PHPMailer;
$mail->isSMTP();
$mail->Host = 'smtp.example.com';  // 设置邮件服务器
$mail->SMTPAuth = true;
$mail->Username = 'your-email@example.com';  // 设置发件人邮箱
$mail->Password = 'your-email-password';  // 设置发件人邮箱密码
$mail->SMTPSecure = 'tls';
$mail->Port = 587;

$mail->setFrom('your-email@example.com', 'Your Name');  // 设置发件人
$mail->addAddress('recipient@example.com');  // 设置收件人

$mail->isHTML(true);
$mail->Subject = '您有新的邮件';  // 设置邮件主题
$mail->Body    = "姓名：$name<br>邮箱：$email<br>留言：$message";  // 设置邮件内容

if(!$mail->send()) {
    echo '邮件发送失败：' . $mail->ErrorInfo;
} else {
    echo '邮件发送成功！';
}
?>