为什么$up只能到1
$up=0;
while(@$_GET['action']=='up'){
$up++;
$up_sql="update message set up='$up' where id=$_GET[id]";
if(mysql_query($up_sql)){
echo $up;
exit('');
}
}
------解决方案--------------------
$up_sql="update message set up=up+1 where id=$_GET[id]";
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