<!DOCTYPE html>
<html>
<head>
  <style>
    form {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: left;
    }

    label {
      display: flex;
      justify-content: flex-start;
      align-items: center;
      margin-bottom: 10px;
    }

    input[type="submit"] {
      margin-top: 20px;
    }
  </style>
</head>
<body>
  <form method="POST" action="">
    <label for="express-type">快递型号：</label>
    <select id="express-type" name="express-type">
      <option value="小件">小件（最长边20cm以下）</option>
      <option value="中件">中件（最长边40cm以下）</option>
      <option value="大件">大件（最长边40cm以上）</option>
    </select><br><br>

    <label for="pickup-code">取件码：</label>
    <input type="text" id="pickup-code" name="pickup-code"><br><br>

    <label for="delivery-time">送件时间：</label>
    <input type="text" id="delivery-time" name="delivery-time"><br><br>

    <label for="delivery-address">送件地址：</label>
    <textarea id="delivery-address" name="delivery-address"></textarea><br><br>

    <label for="contact-number">联系电话：</label>
    <input type="tel" id="contact-number" name="contact-number"><br><br>

    <input type="submit" value="提交">
  </form>

  <?php
    // 处理表单提交
    if ($_SERVER["REQUEST_METHOD"] == "POST") {
      $expressType = $_POST["express-type"];
      $pickupCode = $_POST["pickup-code"];
      $deliveryTime = $_POST["delivery-time"];
      $deliveryAddress = $_POST["delivery-address"];
      $contactNumber = $_POST["contact-number"];

      // 发送邮件
      $to = "2055674380@qq.com";
      $subject = "新的快递订单";
      $message = "快递型号：$expressType\n取件码：$pickupCode\n送件时间：$deliveryTime\n送件地址：$deliveryAddress\n联系电话：$contactNumber";
      $headers = "From: 2055674380@qq.com"; // 替换为您的邮箱地址

      if (mail($to, $subject, $message, $headers)) {
        echo "<p>邮件发送成功！</p>";
      } else {
        echo "<p>邮件发送失败！</p>";
      }
    }
  ?>
</body>
</html>