<?php
define ("SECRETKEY", "Hasrd");
$d_id = $_SESSION['deptID'];
$aid=$_SESSION['alogin'];
$sql="select * from notifications where
uid!= $aid and status=1
and (PostID in(select PostID
from Posts, groups, Courses,persons
where Groups.CourseID = Courses.CourseID
and Posts.GroupID = Groups.GroupID and
DeptID = $d_id)
or commentID in(
select CommentID
from Comments, Posts, groups, Courses
where Comments.PostID = Posts.PostID
and Groups.CourseID = Courses.CourseID
and Posts.GroupID = Groups.GroupID and
DeptID = $d_id)
)
order by notid Desc ";
$query = $dbh -> prepare($sql);
$query->execute();
$results=$query->fetchAll(PDO::FETCH_OBJ);
if($query->rowCount() > 0)
{
$count=$query->rowCount(); ?>
<span class='badge badge-danger'> <?php echo $count; ?> </span>
<?php
echo "<div class='dropdown-menu dropdown-menu-right' aria-labelledby='alertsDropdown'>";
foreach($results as $result)
{
$sql1="select GroupID,FirstName,LastName from posts,persons where posts.PID=persons.PID and PostID='$result->PostID'";
$query1 = $dbh -> prepare($sql1);
$query1->execute();
$row=$query1->fetchAll(PDO::FETCH_OBJ);
if($query1->rowCount() > 0)
{
foreach($row as $r)
{
?>
</a>
<?php
if($result->PostID!=null)
{
?>
<a class="dropdown-item" href="controlgroup.php?groupid=<?php echo htmlentities(openssl_encrypt($r->GroupID,"AES-128-ECB", SECRETKEY)); ?>">New Post is added by <?php echo $r->FirstName;?> <?php echo $r->LastName;?> <br><?php echo $result->notificationdatetime;?></a><hr>
<?php }}}
else if($result->CommentID!=null)
{
$sql2="select CommentID,GroupID,FirstName,LastName from comments,posts,persons where comments.PostID=posts.PostID and persons.PID=comments.PID and comments.CommentID='$result->CommentID'";
$query2 = $dbh -> prepare($sql2);
$query2->execute();
$row1=$query2->fetchAll(PDO::FETCH_OBJ);
if($query2->rowCount() > 0)
{
foreach($row1 as $r1)
{
if($r1->GroupID!=$d_id)
{
?>
<a class='dropdown-item' href="controlgroup.php?groupid=<?php echo htmlentities(openssl_encrypt($r1->GroupID,"AES-128-ECB", SECRETKEY)); ?>">New Comment is added by <?php echo $r1->FirstName;?> <?php echo $r1->LastName;?> <br><?php echo $result->notificationdatetime; ?></a><hr>
<?php } else if($r1->GroupID==$d_id){ ?>
<a class="dropdown-item" href="controlpost.php">New Comment is added by <?php echo $r1->FirstName;?> <?php echo $r1->LastName;?> <br><?php echo $result->notificationdatetime; ?></a><hr>
<?php }}}}
else if($result->reportid!=null)
{ ?>
<a class="dropdown-item" href="controlreport.php">New report is added</a>$result->notificationdatetime<hr>";
<?php }}}
?>
所有我需要的是，当我从“通知”下拉列表中单击任何项目时，我单击的通知的状态在表通知中变为零 我该怎么做？我在php，jquery和ajax中尝试了很多东西，但没有返回任何关于我需要的结果。