版权声明:本文为博主原创文章,未经博主允许不得转载 https://blog.csdn.net/sqlquan/article/details/88872105
id就是一个唯一标识,只是不够长度,我对id进行36进制转换就可以了
/**
* @description: 10进制转36进制
* @param {type}
* @return:
*/
protected function createCode($userId)
{
static $sourceString = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r',
's', 't', 'u', 'v', 'w', 'x',
'y', 'z'
];
$num = $userId;
$code = '';
while ($num) {
$mod = bcmod($num, 36);
$num = bcdiv($num, 36);
$code = "{$sourceString[$mod]}{$code}"; //邀请码拼接
}
//判断code的长度
if (empty($code[4]))
$code=str_pad($code, 5, '0', STR_PAD_LEFT); //长度不够拼接'0'
return $code;
}
参考资料:https://blog.csdn.net/xuefei0619/article/details/79862287