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白乐天 发表于 2010-12-7 13:26

uid与uc头像目录关系解析

[code]function get_avatar($uid, $size = 'middle', $type = '') {
        $size = in_array($size, array('big', 'middle', 'small')) ? $size : 'middle';
        $uid = abs(intval($uid));
        $uid = sprintf("%09d", $uid);
        $dir1 = substr($uid, 0, 3);
        $dir2 = substr($uid, 3, 2);
        $dir3 = substr($uid, 5, 2);
        $typeadd = $type == 'real' ? '_real' : '';
        return $dir1.'/'.$dir2.'/'.$dir3.'/'.substr($uid, -2).$typeadd."_avatar_$size.jpg";
}[/code]以uid201的白兰地为例
000000201
dir1=000
dir2=00
dir3=02
substr($uid, -2)=01
最后路径为 000/00/02/01_avatar_big.jpg



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