我可以知道如何从数据库中获取仅在json中的值数组而不是整个json对象吗?如何通过php从数据库中检索JSON的值?
<?php
require_once('dbConnect.php');
$sql = "SELECT RestaurantName FROM Restaurant";
$result = mysqli_query($connection, $sql) or die("Error in Selecting " . mysqli_error($connection));
$restaurantArray = array();
while($rows = mysqli_fetch_assoc($result)) {
$restaurantArray[] = $rows;
}
echo json_encode($restaurantArray);
mysqli_close($connection);
?>
例如,
["Afonso Cláudio", "Água Doce do Norte"]
,而不是
[{"city":"Afonso Cláudio"},{"city":"Água Doce do Norte"}]