求解:数据插入不到数据库中。解决方案

WBOY
Release: 2016-06-13 10:16:29
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求解:数据插入不到数据库中。
数据库确定已经连接成功了。表名keai_user 字段f_logintimes(登录次数) f_lasttime(最近登录时间) f_loginip(登录IP地址)
$ip = $_SERVER['REMOTE_ADDR'];
$sql = "UPDATE keai_user SET f_logintimes = f_logintimes + 1,";
$sql .= "f_lasttime = now(),f_loginip = '$ip'";
$sql = "WHERE f_username = '$username'";
$db->query($sql);执行后表keai_user 内容没有任何变化,不知道为什么?

------解决方案--------------------

引用$db->query($sql);执行后表keai_user 内容没有任何变化,不知道为什么?

------解决方案--------------------
$sql = "WHERE f_username = '$username'"; 
 
写错了吧!
$sql .= "WHERE f_username = '$username'";
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