显示帖子的代码是:
for($i=0; $i<$count; $i++)
{
$result1 = mysqli_query($con1,"SELECT pid_1,title,ts from post2
where pid_1='$pid[$i]' order by pid_1 desc");
while($row = mysqli_fetch_array($result1))
{
$t=$row['title'];
$p=$row['pid_1'];
$ts=$row['ts'];
echo $t." ".$p." ".$ts."<br>";
}}
,其中 count =帖子总数 $ pid [$ i] =要访问数组$ pid中的每个元素($ pid数组存储要选择的所有帖子的帖子ID)
即使包含“按pid_1 DESC排序”,结果也会随机出现。怎么解决这个问题?
答案 0 :(得分:0)
如果你想要它们,你必须对pid array
进行排序,或者你只是在一个查询中获取所有帖子并让查询进行排序:
$pids_str = explode("'",$pid);
$result1 = mysqli_query($con1,"SELECT pid_1,title,ts FROM post2 WHERE pid_1 IN ('".$pids_str."') ORDER BY pid_1 DESC");
while($row = mysqli_fetch_array($result1))
{
$t=$row['title'];
$p=$row['pid_1'];
$ts=$row['ts'];
echo $t." ".$p." ".$ts."<br>";
}