PHPとVueを使って決済後の会員ポイントの有効期限を延長する方法を実装する

<?php
// 设置数据库信息
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "members_db";

// 建立数据库连接
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接是否成功
if ($conn->connect_error) {
    die("数据库连接失败：" . $conn->connect_error);
}

// 接收POST请求中的会员ID和支付金额
$member_id = $_POST['member_id'];
$payment_amount = $_POST['payment_amount'];

// 查询会员信息
$sql = "SELECT * FROM members WHERE id = '" . $member_id . "'";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    // 找到会员信息
    $member = $result->fetch_assoc();

    // 计算新的积分有效期
    $new_expiry_date = date('Y-m-d H:i:s', strtotime($member['expiry_date']) + $payment_amount);

    // 更新会员积分有效期
    $update_sql = "UPDATE members SET expiry_date = '" . $new_expiry_date . "' WHERE id = '" . $member_id . "'";
    $conn->query($update_sql);

    echo "积分有效期已延长";
} else {
    echo "找不到会员信息";
}

$conn->close();
?>

<template>
    <form @submit.prevent="extendExpiryDate">
        <label for="memberId">会员ID：</label>
        <input type="text" id="memberId" v-model="memberId" required>

        <label for="paymentAmount">支付金额：</label>
        <input type="number" id="paymentAmount" v-model="paymentAmount" required>

        <button type="submit">延长积分有效期</button>
    </form>
</template>

<script>
import axios from 'axios';

export default {
    data() {
        return {
            memberId: '',
            paymentAmount: 0
        }
    },
    methods: {
        extendExpiryDate() {
            axios.post('http://yourdomain.com/extend_expiry_date.php', {
                member_id: this.memberId,
                payment_amount: this.paymentAmount
            })
            .then(response => {
                console.log(response.data);
            })
            .catch(error => {
                console.log(error);
            });
        }
    }
}
</script>