PHP에 사용자 등록 시 휴대폰 인증 코드를 보내는 방법

<form id="register-form" action="register.php" method="post">
    <input type="text" name="phone" placeholder="手机号码" required>
    <input type="button" id="send-code" value="发送验证码">
    <input type="text" name="code" placeholder="验证码" required>
    <input type="submit" value="注册">
</form>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
    $(document).ready(function() {
        $("#send-code").click(function() {
            var phone = $("input[name='phone']").val();
            $.ajax({
                url: "send_code.php",
                type: "POST",
                data: {phone: phone},
                success: function(response) {
                    alert("验证码已发送，请注意查收。");
                }
            });
        });
    });
</script>

<?php
// 发送验证码
function sendCode($phone) {
    // 调用短信API发送验证码
    // 具体的代码请根据短信接口的使用说明来编写
    // 这里仅提供一个示例代码
    $code = mt_rand(100000, 999999);
    $ch = curl_init();
    $options = [
        CURLOPT_URL => "http://sms.aliyun.com/api/send",
        CURLOPT_POST => true,
        CURLOPT_POSTFIELDS => [
            "phone" => $phone,
            "code" => $code,
        ],
    ];
    curl_setopt_array($ch, $options);
    $result = curl_exec($ch);
    curl_close($ch);
    return $result;
}

// 处理发送验证码的请求
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $phone = $_POST["phone"];
    $result = sendCode($phone);
    // 对发送结果进行处理
    if ($result === true) {
        echo "验证码发送成功";
    } else {
        echo "验证码发送失败";
    }
}
?>

<?php
// 验证手机号码和验证码
function verifyCode($phone, $code) {
    // 验证手机验证码的逻辑
    // 这里仅提供一个示例代码
    if ($code === "123456") {
        return true;
    } else {
        return false;
    }
}

// 处理注册请求
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $phone = $_POST["phone"];
    $code = $_POST["code"];
    // 校验手机号码和验证码
    if (verifyCode($phone, $code)) {
        echo "注册成功";
    } else {
        echo "验证码错误，请重新输入";
    }
}
?>