web-lab-cart-api/cart.html at main · hedgeruei/web-lab-cart-api · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>購物車</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous" />
</head>

<body>
    <section class="pt-5 pb-3 bg-light">
        <div class="container">
            <h1 class="mb-3 d-flex align-items-center">
                <span class="me-2">購物車</span>
                <a href="/index.html"><button class="btn btn-outline-primary">回首頁</button> </a>
            </h1>
        </div>
    </section>
    <section class="py-3 container">
        <table id="cart" class="table">
            <thead>
                <tr>
                    <th scope="col">#</th>
                    <th scope="col">商品名稱</th>
                    <th scope="col">顏色</th>
                    <th scope="col">尺寸</th>
                    <th scope="col">數量</th>
                    <th scope="col">動作</th>
                </tr>
            </thead>
            <tbody>
            </tbody>
        </table>
    </section>
    <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.21/lodash.min.js"></script>
    <script>
        const deleteCart = id => {
            fetch(`http://localhost:8080/cart/${id}`, {
                method: 'DELETE'
            })
        }
        const updateCart = (id, name, color, capacity) => {
            const newQuantity = Number(document.getElementById(`cart-${id}`).value)
            fetch(`http://localhost:8080/cart/${id}`, {
                method: 'PUT',
                headers: {
                    'content-type': 'application/json'
                },
                body: JSON.stringify({
                    name,
                    color,
                    capacity,
                    quantity: newQuantity
                })
            })
        }
        fetch(`http://localhost:8080/cart`).then(res => res.json()).then(cart => {
            cart.forEach((cartProduct, idx) => {
                document.getElementById('cart').insertAdjacentHTML('beforeend', `
                    <tr>
                        <th scope="row">${idx + 1}</th>
                        <td>${cartProduct.name}</td>
                        <td>${cartProduct.color}</td>
                        <td>${cartProduct.capacity}</td>
                        <td>
                            <input type="number" class="quantity form-control" id="cart-${cartProduct.id}" value="${cartProduct.quantity}" onChange="updateCart('${cartProduct.id}', '${cartProduct.name}', '${cartProduct.color}', '${cartProduct.capacity}')">
                        </td>
                        <td>
                            <button class="btn btn-outline-danger" onclick="deleteCart('${cartProduct.id}')">刪除</button>
                        </td>
                    </tr>
                `)
            })
        })
    </script>
</body>

</html>