php使用递归计算文件夹大小,
方法很简单,这里就不多废话了,直接奉上代码:
复制代码 代码如下:
protected function dir_size($dir){
$dh = opendir($dir); //打开目录,返回一个目录流
$size = 0; //初始大小为0
while(false !== ($file = @readdir($dh))){ //循环读取目录下的文件
if($file!='.' and $file!='..'){
$path = $dir.'/'.$file; //设置目录,用于含有子目录的情况
if(is_dir($path)){
$size += $this->dir_size($path); //递归调用,计算目录大小
}elseif(is_file($path)){
$size += filesize($path); //计算文件大小
}
}
}
closedir($dh); //关闭目录流
return $size; //返回大小
}

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