现在我将所有信息存储到一个变量中
$email_body = "";
$email_body = $email_body . "<b>Name:</b>" . $name . "\n";
$email_body = $email_body . "E-mail:" . $email . "\n";
$email_body = $email_body . "Phone Number:" . $phnum . "\n";
$email_body = $email_body . "Message:" . $message . "\n";
$messageSend = $email_body;
mail($to,$subject,$messageSend,$headers);
如何添加 html like <br/>、<b>tag 和 css？
附加到标题Content-Type，如
$headers .= "Content-Type: text/html; charset=ISO-8859-1\r\n";
并附加消息<html><body>和</body></html>喜欢
$email_body = '<html><body>';
$email_body .= "<b>Name:</b>" . $name . "\n";
$email_body .= "<b>E-mail:</b>" . $email . "\n";
$email_body .= "<b>Phone Number:</b>" . $phnum . "\n";
$email_body .= "<b>Message:</b>" . $message . "\n";
$email_body .= '</body></html>';
"\n" 在 html 中不起作用使用这样的 "paragraph" 标签
$email_body = "<html><body>";
$email_body .= "<b>Name:</b>" . $name . "<p>";
$email_body .= "<b>E-mail:</b>" . $email . "<p>";
$email_body .= "<b>Phone Number:</b>" . $phnum . "<p>";
$email_body .= "<b>Message:</b>" . $message . "<p>";
$email_body .= "</body></html>";