如何配置php网站用户反馈系统_意见反馈表单与处理流程配置方法

<form action="process_feedback.php" method="post">
  <label>姓名：<input type="text" name="name" required></label><br>
  <label>邮箱：<input type="email" name="email" required></label><br>
  <label>
    类型：
    <select name="type">
      <option value="suggestion">建议</option>
      <option value="complaint">投诉</option>
      <option value="tech">技术问题</option>
    </select>
  </label><br>
  <label>内容：<textarea name="message" rows="5" required></textarea></label><br>
  <input type="hidden" name="csrf_token" value="生成的token值">
  <button type="submit">提交反馈</button>
</form>

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $name = htmlspecialchars(trim($_POST['name']));
    $email = filter_input(INPUT_POST, 'email', FILTER_VALIDATE_EMAIL);
    $type = htmlspecialchars($_POST['type']);
    $message = htmlspecialchars(trim($_POST['message']));
<pre class='brush:php;toolbar:false;'>if (!$email || strlen($message) < 10) {
    die('输入无效，请返回重试');
}

// 此处可插入数据库存储语句

$to = 'admin@yoursite.com';
$subject = "新反馈 [$type] 来自 $name";
$body = "时间：" . date('Y-m-d H:i:s') . "\n";
$body .= "邮箱：$email\n\n$message";
$headers = "From: webmaster@yoursite.com\r\n";
$headers .= "Reply-To: $email\r\n";
<p>if (mail($to, $subject, $body, $headers)) {
echo "感谢您的反馈，我们将在24小时内回复！";
} else {
echo "发送失败，请稍后再试。";
}</p>

session_start();
if ($_SESSION['last_submit'] > time() - 300) { // 5分钟内只能提交一次
    die('请勿频繁提交');
}
$_SESSION['last_submit'] = time();