[英]Trying to create a looping bootstrap cards in php
我在php和mysqli中相當新,並嘗試建立一些基本的網站。
基本上我想在php中做出循環語句以在同一行中創建具有相同大小和顏色的卡片,而無需自己在html中手動創建卡片。
使用bootstrap,php和mysqli
我使用的數據庫包含itemname(varchar),itemprice(varchar)和itemimage(mediumblob)
代碼成功運行,但是輸出與引導卡不匹配,並且它們拒絕位於同一行
誰能幫我 ? 謝謝
<!DOCTYPE html> <html> <head> <title></title> <link rel="stylesheet" type="text/css" href="bootstrap/css/bootstrap.min.css"> <link rel="stylesheet" type="text/css" href="css/style.css"> </head> <body> <div class="container"> <?php require 'dbh.inc.php'; $sql = "SELECT * FROM item"; $stmt = mysqli_stmt_init($conn); if (!mysqli_stmt_prepare($stmt,$sql)) { echo "error"; } else{ mysqli_stmt_execute($stmt); $result = $stmt->get_result(); if ($result->num_rows > 0) { print '<div class="row">'; while ($row = $result->fetch_assoc()) { print' <div class="col-4">'; print' <div class="card">'; print' <img height="250" width="250" class="card-img-top" src="data:image/jpeg;base64,'.base64_encode( $row['itemimage'] ).'">'; print' <div class="card-body">'; print' <h5 class="card-title">'.$row["itemname"].'</h5>'; print' <p class="card-text">Price : '.$row["itemprice"].'</p>'; print' </div>'; print' </div>'; print' </div>'; } } else { print' </div>'; } } $conn->close(); ?> <script src="bootstrap/js/jquery-3.3.1.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script> <script src="bootstrap/js/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script> <script src="bootstrap/js/bootstrap.min.js" integrity="sha384-7aThvCh9TypR7fIc2HV4O/nFMVCBwyIUKL8XCtKE+8xgCgl/PQGuFsvShjr74PBp" crossorigin="anonymous"></script> </div> </body> </html>
我假設您已經測試過查詢結果中確實有數據。
復制並更新了您的代碼。 一些事情:
if()
語句的else
中關閉div(用於行),但在if()
端將其打開。 <?php
或<?=
and ?>
就可以關閉PHP並在函數/循環中使用純HTML ?>
<?php function createCard(array $row) { ?>
<div class="col-4">
<div class="card">
<img height="250"
width="250"
class="card-img-top"
src="data:image/jpeg;base64,<?= base64_encode($row['itemimage']) ?>">
<div class="card-body">
<h5 class="card-title"><?= $row["itemname"] ?></h5>
<p class="card-text">Price : <?= $row["itemprice"] ?></p>
</div>
</div>
</div>
<?php } ?>
<!DOCTYPE html>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="bootstrap/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="css/style.css">
</head>
<body>
<div class="container">
<div class="row">
<?php
require 'dbh.inc.php';
$sql = "SELECT * FROM item";
$stmt = mysqli_stmt_init($conn);
if (!mysqli_stmt_prepare($stmt, $sql)) {
echo "error";
} else {
mysqli_stmt_execute($stmt);
$result = $stmt->get_result();
if ($result->num_rows > 0) {
while ($row = $result->fetch_assoc()) {
createCard($row);
}
}
}
$conn->close();
?>
</div>
<script src="bootstrap/js/jquery-3.3.1.min.js"
integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
crossorigin="anonymous"></script>
<script src="bootstrap/js/popper.min.js"
integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1"
crossorigin="anonymous"></script>
<script src="bootstrap/js/bootstrap.min.js"
integrity="sha384-7aThvCh9TypR7fIc2HV4O/nFMVCBwyIUKL8XCtKE+8xgCgl/PQGuFsvShjr74PBp"
crossorigin="anonymous"></script>
</div>
</body>
</html>
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