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Fungsi isset hanya berfungsi pada kotak semak pertama dalam pangkalan data
P粉787820396
P粉787820396 2023-09-05 22:42:25
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<p>我有一個(gè)組件,它從MySQL數(shù)據(jù)庫中獲取所有數(shù)據(jù)。</p> <pre class="brush:php;toolbar:false;"><?php komponen fungsi($productName, $productPrice, $productImg, $productID) { $elemen = " <div class='col-md-3 col-sm-6 my-3 my-md-0'> <form action='index.php' method='post' id='myform'> <div class='kad bayang'> <img src='{$productImg}' alt='image1' class='img-fluid card-img-top'> <div class="kad-badan"> <h5 class='card-title'>{$productName}</h5> </div> <p class='card-text'>info pergi ke sini lorem ipsum</p> <span class='price'>{$productPrice}</span> <span class='price'>{$productID}</span> <div class='form-check form-switch'> <input class='form-check-input' type='checkbox' name='checkid[]' value='{$productID}'> </div> <input type='hidden' name='product_id' value='{$productID}'> </div> </form> </div> "; echo $element; }</pre> <p>我還有一個(gè)用于表單的提交按鈕。 <kod><button type="submit" name="submit" form="myform">顯示所選內(nèi)容</button></code></p> <p>獲取容器的代碼:</p> <pre class="brush:php;toolbar:false;"><div class="bekas"> <div class="pusat teks baris py-5"> <?php $result = $database->getData(); manakala ($baris = mysqli_fetch_assoc($hasil)) { component($row['product_name'], $row['product_price'], $row['product_image'], $row['id']); } ?> </div></pre> <p>當(dāng)點(diǎn)擊提交按鈕時(shí),用于檢查容器是否被選中并返回其值(productID)的php。g<碼 <pre class="brush:php;toolbar:false;">if (isset($_POST['submit'])) { jika (!kosong($_POST['checkid'])) { foreach ($_POST['checkid'] sebagai $value) { gema "nilai : " . $nilai. '<br/>'; } } }</pre> <p>我在數(shù)據(jù)庫中有幾個(gè)產(chǎn)品,但它只適用于第一個(gè)復(fù)選框。其他的不/起作;g。
P粉787820396
P粉787820396

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P粉511985082

Anda mencipta elemen bentuk baharu setiap kali anda mengulanginya. Anda boleh menukar fungsi anda kepada

function component($productName, $productPrice, $productImg, $productID)
{
    $element = "    
                <div class='card shadow'>
                    <img src='{$productImg}' alt='image1' class='img-fluid card-img-top'>
                    <div class=\"card-body\">
                        <h5 class='card-title'>{$productName}</h5>
                    </div>
                    <p class='card-text'>info goes here lorem ipsum</p>
                    <span class='price'>{$productPrice}</span>
                    <span class='price'>{$productID}</span>
                    <div class='form-check form-switch'>
                        <input class='form-check-input' type='checkbox' name='checkid[]' value='{$productID}'>
                    </div>  
                    <input type='hidden' name='product_id' value='{$productID}'>

                </div>
    ";
    echo $element;
}

Dan kod untuk mendapatkan komponen anda (fungsi di atas) dan butang hantar dalam borang berasingan , seperti ini:

<div class="container">
    <div class="row text-center py-5">
<div class='col-md-3 col-sm-6 my-3 my-md-0'>
            <form action='index.php' method='post' id='myform'>
        <?php
        $result = $database->getData();
        while ($row = mysqli_fetch_assoc($result)) {
            component($row['product_name'], $row['product_price'], $row['product_image'], $row['id']);
        }
        ?>
<button type="submit" name="submit" form="myform">show selected</button>
            </form>
        </div>
    </div>
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