我的评论有问题。我可以将它们插入我的朋友制作的数据库中,并在正确的页面中回显它们,但删除部分不起作用。 拥有帐户的人可以删除自己的评论,管理员可以删除任何评论。但是当我点击评论的删除按钮时,我什么都不做,当我再次点击它删除该页面中的每一条评论时,有人可以帮忙吗?当我点击删除按钮时,我只想删除该特定评论,而不是全部。此外,数据库中的密钥是评论发布的日期。评论删除按钮不起作用
这里的comments.php
<!DOCTYPE html>
<html>
<link rel="stylesheet" type="text/css" href="/cssfolder/comments.css">
<link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Open+Sans%22%3E">
<head>
<title>Page Title</title>
</head>
<body>
<div class="comment">
<form method="post" action="">
<textarea name='message' class="area" id='message' placeholder="Leave a comment"></textarea><br/>
<br>
<input type="submit" class="commentbutton" name="comment" value="Comment">
<br>
</form>
</div>
<div class="commentcontainer">
<?php
date_default_timezone_set('America/Curacao');
$db = new PDO('mysql:host=localhost;dbname=id1552202_accounts', 'id1552202_thecouch', 'Fargo123');
$url = (isset($_SERVER['HTTPS']) ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$link = parse_url($url)['path'];
$path = ltrim($link, '/');
try {
$zoekfilm = $db->prepare("SELECT film_id FROM Reviews WHERE path = :path");
$zoekfilm->bindParam("path", $path);
$zoekfilm->execute();
$film = $zoekfilm->fetch();
} catch(PDOException $b){
die("Error!: " . $b->getMessage());
}
$hoeveel = $db->prepare("SELECT * FROM comments WHERE film_id = :id ");
$hoeveel->bindParam("id", $film[0]);
$hoeveel->execute();
$count = $hoeveel->rowCount();
echo "<br><b>" . $count . " Comments</b><br><br>";
if(isset($_POST['comment'])){
if(empty($_POST['message'])){
echo "There's no message";
echo "<br>";
echo "<br>";
} else {
if(isset($_SESSION['loggeduser'])){
$message = $_POST['message'];
$datum = date('YmdHis');
$username = $_SESSION['loggeduser'][0];
$nospam = $db->prepare(" SELECT comment FROM comments WHERE comment = :message AND film_id = :id");
$nospam->bindParam("message", $message);
$nospam->bindParam("id", $film[0]);
$nospam->execute();
if($nospam->rowCount() === 1){
echo "No spam please";
} else {
try{
$addcomment = $db->prepare("INSERT INTO comments(Usernames, film_id, comment, date) VALUES (:username, :id , :comment, :datum)");
$addcomment->bindParam("username", $username);
$addcomment->bindParam("id", $film[0]);
$addcomment->bindParam("comment", $message);
$addcomment->bindParam("datum", $datum);
$addcomment->execute();
} catch(PDOException $c){
die("Error!: " . $c->getMessage());
}
}
} else {
header("Location: /signin.php");
}
}
}
try {
$showcomments = $db->prepare("SELECT * FROM comments WHERE film_id = :id ORDER BY date DESC");
$showcomments->bindParam("id", $film[0]);
$showcomments->execute();
while($result = $showcomments->fetch(PDO::FETCH_ASSOC)){
if(isset($_SESSION['admin'])){
echo '<div class="commentdiv">';
echo '<p><b>'.$result['Usernames'].'</b></p>';
echo '<p class="tijd"><i><small>'. $result['date'] .'</small></i></p>';
echo '<p> '.$result['comment'].'</p>';
echo '<br>';
echo '<form method="post" action="">';
echo '<input type="submit" value="Delete Comment" name="delete" class="commentbutton" style="width:200px;">';
echo $result['date'];
echo '<br>';
echo '</form>';
$delete = $result['date'];
if(isset($_POST['delete'])){
$verwijderen = $db->prepare(" DELETE FROM comments WHERE comments.date = :datum LIMIT 1");
$verwijderen->bindParam("datum", $delete);
$verwijderen->execute();
}
echo '</div>';
} else if(isset($_SESSION['loggeduser'][0])) {
echo '<div class="commentdiv">';
echo '<p><b>'.$result['Usernames'].'</b></p>';
echo '<p class="tijd"><i><small>'. $result['date'] .'</small></i></p>';
echo '<p> '.$result['comment'].'</p>';
echo '<br>';
echo '<form method="post" action="">';
echo '<input type="submit" value="Delete Comment" name="delete" class="commentbutton" style="width:200px;">';
echo '<br>';
echo '</form>';
echo '</div>';
$delete = $result['date'];
if(isset($_POST['delete'])){
$verwijderen = $db->prepare(" DELETE FROM comments WHERE comments.date = :datum ");
$verwijderen->bindParam("datum", $delete);
$verwijderen->execute();
}
} else {
echo '<div class="commentdiv">';
echo '<p><b>'.$result['Usernames'].'</b></p>';
echo '<p class="tijd"><i><small>'. $result['date'] .'</small></i></p>';
echo '<p> '.$result['comment'].'</p>';
echo '</div>';
}
}
} catch(PDOException $a){
die("Error!: " . $a->getMessage());
}
?>
</div>
</body>
</html>
该程序是错误的。将删除查询及其执行置于循环之外。 – JazZ
我在哪里放删除查询呢?它没有任何东西,现在 –