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[mingyun]

/**
 * 进制转换器
 * BHD Converter
 * @package library\logic
 */
class ConvertLogic
{
    public static $dict = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    public static $patch = "0";
    public static function set($dict, $patch){
        self::$dict = $dict;
        self::$patch = $patch;
    }
    public static function convert($str, $from, $to, $min_length = null)
    {
        if ($from !== 10) {
            $fromBase = self::convertTo10($str, $from);
        } else {
            $fromBase = $str;
        }
        $toBase = self::convert10($fromBase, $to);
        if (!is_null($min_length)) {
            $strLength = strlen($toBase);
            while ($strLength < $min_length) {
                $toBase = self::$patch . $toBase;
                $strLength++;
            }
        }
        return $toBase;
    }
    private static function convert10($num, $to = 62)
    {
        $dict = self::$dict;
        $ret = '';
        do {
            $ret = $dict[bcmod($num, $to)] . $ret;
            $num = bcdiv($num, $to);
        } while ($num > 0);
        return $ret;
    }
    private static function convertTo10($num, $from = 62)
    {
        $num = strval($num);
        $dict = self::$dict;
        $len = strlen($num);
        $dec = 0;
        for ($i = 0; $i < $len; $i++) {
            $pos = strpos($dict, $num[$i]);
            $dec = bcadd(bcmul(bcpow($from, $len - $i - 1), $pos), $dec);
        }
        return $dec;
    }
}https://github.com/AxiosCros/tpr-cms/blob/master/library/logic/ConvertLogic.php

$counts = RedisFacade::hmget('room_connection_set_count', $rooms);
            return array_map('intval', array_combine($rooms, $counts));
desc select a.* from  package a,(select max(id) m,user_id from package GROUP BY user_id,type) b where a.user_id=b.user_id and a.id=b.m ORDER BY a.id limit 100;

desc select a.* from (select *from  package ORDER BY id desc) a  where a.id> 0 GROUP BY user_id,type ORDER BY a.id limit 100;
$itemSubjects.="\t".$itemSubjects
PHPExcel_Calculation_Exception: Sheetname!B3 -> Formula Error: Unexpected , in /application/class/vendor/phpoffice/phpexcel/Classes/PHPExcel/Cell.php:291
我们输入命令：contrab -e

然后会打开一个编辑器，在其中输入下面这个命令：

0 5 * * * cd /home/lincheung; sh PP_insert_db.sh

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