我正试图找到一种方法来编辑我正在制作的博客上的帖子,但由于某种原因,当我试图提交"更新帖子"表单时,它会给我错误"出了问题…"(意味着它必须更新post.php),我不知道为什么。我唯一能看到的是,因为我正在使用TinyMCE编辑帖子的内容,而我这样做的方式是错误的吗?
editpost.php
<?php
include 'php/mysql_connect.php'; // opens a PDO of variable $db
if(isset($_GET['id'])){
$q = $db->prepare('SELECT * FROM posts WHERE id=:post_id LIMIT 1');
$q->execute(array(':post_id'=>$_GET['id']));
$row = $q->fetch(PDO::FETCH_ASSOC);
if($row){
echo '<form method="post" action="php/update_post.php?post_id='.$_GET['id'].'">';
echo '<div class="form-group">';
echo ' <input type="text" class="form-control" name="title" id="title" placeholder="Post Title" autocomplete="off" value="'.$row['title'].'" required />';
echo '</div>';
echo '<div class="form-group">';
echo ' <textarea class="form-control" name="body" id="body">'.$row['body'].'</textarea>';
echo '</div>';
echo '<input type="submit" value="Update Post" class="btn btn-default" />';
echo '</form>';
}
else{
echo 'Post not found.';
}
}
else{
echo 'Post not found.';
}
?>
update_post.php
<?php
$post_id = $_GET['post_id'];
$title = $_POST['title'];
$body = $_POST['body'];
include 'mysql_connect.php'; // establishes $db, a PDO connection
// insert the records
$sql = "UPDATE posts SET title=:title, body=:body WHERE id=:post_id)";
$q = $db->prepare($sql);
if($q->execute(array(':title'=>$title, ':body'=>$body, ':post_id'=>$post_id))){
echo '<script type="text/javascript">alert("Success!");location.href="../posts.php";</script>';
}
else{
echo '<script type="text/javascript">alert("Something went wrong...");location.href="../posts.php";</script>';
}
?>
我已经将form方法更改为GET,并且它正确地传递了变量,所以这不是问题所在。update_post.php是我的add_post.php的修改版本,它运行得很好,所以我不明白为什么更新它不正常。
$sql = "UPDATE posts SET title=:title, body=:body WHERE id=:post_id)";
remove this one >-----^
你末尾的括号错了;)
删除它,它应该工作:
$sql = "UPDATE posts SET title=:title, body=:body WHERE id=:post_id";
如果使用GET
,请使用GET,然后;-)
$post_id = $_GET['post_id'];
$title = $_GET['title'];
$body = $_GET['body'];
如果使用POST
,请使用POST:
$post_id = $_POST['post_id'];
$title = $_POST['title'];
$body = $_POST['body'];
根据您的最后评论,请尝试在此处更改:
if($row){
echo '<form method="post" action="php/update_post.php">';
echo '<input type="hidden" name="post_id" value="'.$_GET['id'].'">';
echo '<div class="form-group">';
echo ' <input type="text" class="form-control" name="title" id="title" placeholder="Post Title" autocomplete="off" value="'.$row['title'].'" required />';
echo '</div>';
echo '<div class="form-group">';
echo ' <textarea class="form-control" name="body" id="body">'.$row['body'].'</textarea>';
echo '</div>';
echo '<input type="submit" value="Update Post" class="btn btn-default" />';
echo '</form>';
}