[英]image carousel in bootstrap card with php
我正在使用 php 來顯示來自數據庫的圖像。 我正在嘗試制作旋轉木馬,因為現在我的圖像在彼此下方。 我真的不明白我應該怎么做,因為我只使用一次 $row['image'] 在一段時間內獲取數據,並且輪播還需要更多帶有活動標簽的類。 這是它現在的樣子:
php 的結尾:
...
while ($row = $res->fetch_assoc()) {
$image = $row['image'];
$data[] = $row;
?>
<?php
echo "<img class='card-img-top' style='padding-bottom: 5px;' src='" . $image . "' />";
}
?>
我想使用的輪播: https://www.w3schools.com/bootstrap4/tryit.asp?filename=trybs_carousel
旋轉木馬 html:
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>
<div class="carousel-inner">
<div class="carousel-item active">
<img class="d-block w-100" src=".../800x400?auto=yes&bg=777&fg=555&text=First slide" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block w-100" src=".../800x400?auto=yes&bg=666&fg=444&text=Second slide" alt="Second slide">
</div>
<div class="carousel-item">
<img class="d-block w-100" src=".../800x400?auto=yes&bg=555&fg=333&text=Third slide" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
如您所見,有不同的 div。 但我不能多次使用 $image 。 那么我應該如何實現呢?
從 DB 收集項目和按鈕,確保只有第一個項目/按鈕具有active
class。 鏈接代碼的工作示例:
<?php
$carouselItems = '';
$carouselButtons = '';
$i = 0;
while ($row = $res->fetch_assoc()) {
$class = ($i == 0) ? 'active' : '';
$carouselButtons .= "<li data-target='#demo' data-slide-to='{$i}' class='{$class}'></li>";
$carouselItems .= "<div class='carousel-item $class'>
<img src='{$row['image']}' width='1100' height='500'>
</div>";
var_dump($row);
$i++;
}
?>
<body>
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script>
<style>
/* Make the image fully responsive */
.carousel-inner img {
width: 100%;
height: 100%;
}
</style>
</head>
<div id="demo" class="carousel slide" data-ride="carousel">
<ul class="carousel-indicators">
<?php echo $carouselButtons; ?>
</ul>
<!-- The slideshow -->
<div class="carousel-inner">
<?php echo $carouselItems; ?>
</div>
<!-- Left and right controls -->
<a class="carousel-control-prev" href="#demo" data-slide="prev">
<span class="carousel-control-prev-icon"></span>
</a>
<a class="carousel-control-next" href="#demo" data-slide="next">
<span class="carousel-control-next-icon"></span>
</a>
</div>
</body>
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