我正在尝试为自己创建一个论坛,这样我就可以从中学习。现在我需要它只显示具有正确 board_id
的板上的“主题”,正如您在第一张图片中看到的那样,这是板,第二张图片是包含主题的数据库,所以如果我单击“Nieuws & Events”面板,它只需要向我显示带有 topicnaam(topicname) = salespage 的记录。
我只是在努力得到这个,但我不确定该怎么做。
诗。这是我的第一个问题,所以请告诉我我是否做错了什么或者我是否遗漏了一些重要信息。
** 显示主题的代码:**
<?php
$toppic = $app->get_topics();
foreach($toppic as $topic){
echo '<a href="https://tom.lbmedia.nl/reactie"> <div id="topic">';
echo '<div id="topicimg">';
if(file_exists('assets/images/profielfotos/'.$topic['klant_id'])) {
echo '<img class="img-circle" src="/assets/images/profielfotos/'.$topic['klant_id'].'/'.$topic['foto'].'" />';
} else {
echo '<i class="fa fa-fw fa-user img-circle"></i>';
}
echo '</div><div id="topictekst">';
echo '<b>'.$topic['topicnaam'].'</b>';
echo ' - ' . $topic['voornaam'] . " " . $topic['achternaam'] ;
echo '<span style="float:right; margin-top:15px; margin-left:5px;">reacties</span> <span style="float:right; color:grey; margin-top:15px"class="fa fa-comment"></span>';
echo '<hr><span class="badge bg-red">' . $board['topic'] . '</span>';
echo '</div></div></a>';
}
?>
我正在使用的功能:
public function get_boards(){
$getBoards = $this->database->query("SELECT boards.*, ledenpagina.ledenpagina_id FROM boards
LEFT JOIN ledenpagina ON ledenpagina.ledenpagina_id = boards.ledenpagina_id
ORDER BY id DESC");
// $this->database->bind(":ledenpagina_id", $_SESSION['ledenpagina_id']);
$boards = $this->database->resultset();
return $boards;
}
public function get_topics(){
$getTopic = $this->database->query("
SELECT topics.*, klanten.foto, klanten.voornaam, klanten.achternaam FROM topics
LEFT JOIN klanten ON topics.klant_id=klanten.id
ORDER BY id ASC");
// $this->database->bind(":ledenpagina_id", $_SESSION['ledenpagina_id']);
$topics = $this->database->resultset();
return $topics;
}
最佳答案
您的代码是:
如果您输入了板 ID:
SELECT t.* FROM topics t
JOIN boards b
ON t.borad_id = b.id
WHERE b.id = 2
或
SELECT t.* FROM topics t
WHERE t.borad_id = 2
如果您有输入板描述:
SELECT t.* FROM topics t
JOIN boards b
ON t.borad_id = b.id
WHERE b.description = 'Nieuws & Events'
关于html - MYSQL:显示正确的记录,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49644967/