/**
*
* uniqid - 官方是这样说的：
* Gets a prefixed unique identifier based on the current time in microseconds.
*/
function build_order_no()
{
return date('Ymd').substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8);
}/**
*
* uniqid - 官方是这样说的：
* Gets a p
