图片自动清理程序

图片自动清理程序

<?php 
/** 
 * 图片清理计划程序，删除文件下两周没有访问的文件 
 */ 
$sRootPath = dirname(__FILE__); 
//define(TIME_LINE ,"-7 day");  //删除几天没有访问图片的时间 
$dir = $sRootPath .DIRECTORY_SEPARATOR.'upload'; 
$iTimeLine = strtotime("-7 day"); 
//$iTimeLine = time(); 
$sHandDate = date("Ymd"); 
$sLogDir = dirname(__FILE__).DIRECTORY_SEPARATOR.'Imglog'; 
$sLog = $sLogDir.DIRECTORY_SEPARATOR.$sHandDate.'.txt'; 
if(!file_exists($sLogDir)) mkdir($sLogDir, 0777,true); 
_clearFile($dir , $iTimeLine, $sLog); 
$sEnd = 'AT'."\t" .date("Y-m-d H:i:s")."\t".'EXEC OVER'."\n"; 
echo $sEnd; 
error_log($sEnd, 3, $sLog); 
/** 
 * 清除文件操作，传入需要清除文件的路径 
 * @param unknown_type $sPath 
 */ 
function _clearFile($sPath, $iTimeLine, $sLog){ 
if(is_dir($sPath)){ 
$fp = opendir($sPath); 
while(!false == ($fn = readdir($fp))){ 
if($fn == '.' || $fn =='..') continue; 
$sFilePath = $sPath.DIRECTORY_SEPARATOR.$fn; 
_clearFile($sFilePath ,$iTimeLine, $sLog); 
} 

}else{ 
if($sPath != '.' && $sPath != '..'){ //. ..文件直接跳过，不处理 
$iLastView = fileatime($sPath); 
if($iLastView < $iTimeLine){ 
if(@unlink($sPath) === true){ 
//echo date("Y-m-d H:i:s").'成功删除文件'.$sPath; 
//file_put_contents($sLog,'success del file :'.$sPath."\n",  FILE_APPEND); 
//exit; 
$str =date("Y-m-d H:i:s")."\t".'success del file :'.'['.$sPath.']'."\n"; 
error_log($str, 3, $sLog); 
//exit; 
} 
} 
} 

}  


} 
?>

1. 代码

<?php
/**
 * 图片清理计划程序，删除文件下两周没有访问的文件
 */
$sRootPath = dirname(__FILE__);
//define(TIME_LINE ,"-7 day");  //删除几天没有访问图片的时间
$dir = $sRootPath .DIRECTORY_SEPARATOR.'upload';
$iTimeLine = strtotime("-7 day");
//$iTimeLine = time();
$sHandDate = date("Ymd");
$sLogDir = dirname(__FILE__).DIRECTORY_SEPARATOR.'Imglog';
$sLog = $sLogDir.DIRECTORY_SEPARATOR.$sHandDate.'.txt';
if(!file_exists($sLogDir)) mkdir($sLogDir, 0777,true);
_clearFile($dir , $iTimeLine, $sLog);
$sEnd = 'AT'."\t" .date("Y-m-d H:i:s")."\t".'EXEC OVER'."\n";
echo $sEnd;
error_log($sEnd, 3, $sLog);
/**
 * 清除文件操作，传入需要清除文件的路径
 * @param unknown_type $sPath
 */
function _clearFile($sPath, $iTimeLine, $sLog){ 
    if(is_dir($sPath)){
        $fp = opendir($sPath);
        while(!false == ($fn = readdir($fp))){
            if($fn == '.' || $fn =='..') continue;
            $sFilePath = $sPath.DIRECTORY_SEPARATOR.$fn;
            _clearFile($sFilePath ,$iTimeLine, $sLog);
        }
         
    }else{      
        if($sPath != '.' && $sPath != '..'){ //. ..文件直接跳过，不处理
            $iLastView = fileatime($sPath);
            if($iLastView < $iTimeLine){
                if(@unlink($sPath) === true){
                    //echo date("Y-m-d H:i:s").'成功删除文件'.$sPath;                 
                    //file_put_contents($sLog,'success del file :'.$sPath."\n",  FILE_APPEND);
                    //exit;
                    $str =date("Y-m-d H:i:s")."\t".'success del file :'.'['.$sPath.']'."\n";
                    error_log($str, 3, $sLog);
                    //exit;
                }
            }
        }
         
    } 
         
     
}
?>

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