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function writeAccessLog(){
if(!isset($_COOKIE['accessCount'])){
$accessCount = 1;
setcookie('accessCount',1);
}
else{
$accessCount = $_COOKIE['accessCount'];
}
if(strstr($_SERVER['HTTP_USER_AGENT'],'windows'))
$flag = "\n";
else
$flag = "\r\n";
if(stristr($_SERVER['HTTP_USER_AGENT'],'MSIE'))
$browser = 'IE';
elseif(stristr($_SERVER['HTTP_USER_AGENT'],'firefox'))
$browser = 'Firefox';
elseif(stristr($_SERVER['HTTP_USER_AGENT'],'Chrome'))
$browser = 'Chrome';
elseif(stristr($_SERVER['HTTP_USER_AGENT'],'Opera'))
$browser = 'Opera';
else
$browser = '其它';
file_put_contents($dir.date('Y-m-d').'.log','IP:'.$_SERVER['REMOTE_ADDR'].'|浏览器:'.$browser.'|访问次数:'.$accessCount.$flag,FILE_APPEND);
setcookie('accessCount',$accessCount+1);
}
//存放日志的目录名,结尾要带/
$dir = './log/';
writeAccessLog($dir);