我想进行一个查询,从页面中删除帖子(线程),但在该页面中我有多个帖子,我的数据库中有一个名为 id_thread 的字段,它是每个帖子的唯一 ID,但我列出了多个帖子页面中同一用户的帖子,这是列出帖子的页面的代码:
<?
session_start();
if(isset($_SESSION['id']))
{
$servername = "(...)";
$username = "(...)";
$password = "(...)";
$dbname = "(...)";
$connect = mysqli_connect($servername, $username, $password, $dbname);
if (!$connect) {
die("Connection failed: " . mysqli_connect_error());
}
}
else
{
header(" url=index.php");
}
?>
(... hidded non relative html code ....)
<?
$id = (isset($_GET['id'])) ? $_GET['id'] : $_SESSION['id'];
$query = mysqli_query($connect,"SELECT * FROM thread inner join category on thread.id_type=category.id_type WHERE username = '".$id."'");
echo '<div class="container marg-t-100">'."All posts from User: ".$id.'</div>';
echo '<div class="container-fluid marg-t-25">';
while($row = mysqli_fetch_array($query))
{
echo '<div class="col-md-1"></div>';
echo '<div class="col-md-11">';
echo '<form role="form" action="delete.php" method="post"><a type="submit" class="btn btn-danger marg-t-10 pull-right">Delete Thread</a></form>';
echo $row['title'] ."<br><br>".$row['content']."<br><br>".'<div class="pull-right">'. "date: ".$row['data']."<br>"."author: ".$row['username']."<br>".$row['name'].'</div>' ."<br><br><br><hr><br>";
echo '</div>';
}
echo '</div>';
mysqli_close($connect);
?>
(...)
这是我正在谈论的页面的图像:
我希望当我单击“删除线程”时,相应的帖子(线程)将从数据库中删除。
如果您在上面的页面代码中看到,您可以看到删除按钮在delete.php 上执行操作,这是我在该文件上的代码:
<?php
session_start();
if(isset($_SESSION['id']))
{
$servername = "(...)";
$username = "(...)";
$password = "(...)";
$dbname = "(...)";
$connect = mysqli_connect($servername, $username, $password, $dbname);
$id = (isset($_GET['id'])) ? $_GET['id'] : $_SESSION['id'];
$query = mysqli_query($connect,"Delete FROM thread WHERE username = '".$id."' and id_thread ='".(I WANT THE RELATIVE ID HERE)."'");
if (!$connect) {
die("Connection failed: " . mysqli_connect_error());
}
}
else
{
header(" url=index.php");
}
?>
最佳答案
在列出用户帖子的页面中,在表单内添加一个隐藏字段,其中包含帖子 ID 值和 名称 属性,稍后您将在 POST中使用该属性强>变量。
echo '<form role="form" action="delete.php" method="post"><button type="submit" class="btn btn-danger marg-t-10 pull-right" value="Delete Thread"><input type="hidden" name="thread_id" value="'.$row['id'].'"></form>';
在delete.php查询部分:
$query = mysqli_query($connect,"Delete FROM thread WHERE username = '".$id."' and id_thread ='.$_POST['thread_id']);
关于php - 如何删除包含多个帖子的页面中的帖子? [MySql],我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38171852/