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SQL报错,You have an error in your SQL syntax; check the manual that corresponds to

WBOY
WBOYOriginal
2016-06-23 13:49:424045browse

SQL报错了,
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1---Resource id #9----SELECT imei from messagelog where mac in () 
PHP代码:

$mac.="'".$value."',";$listimei = $db->query("SELECT imei from messagelog where mac in ($mac) ")->fetchList();

不知道哪个地方有问题,求大神帮忙


回复讨论(解决方案)

试试

$listimei = $db->query("SELECT imei from messagelog where mac in ('$value') ")->fetchList();

你的 $mac 为空
实际执行的是 SELECT imei from messagelog where mac in ( )
这就要出错了:
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' 

$mac最后多一个逗号

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