wonderful/code/lib/Core.php

<?php

namespace Code\Lib;

use Dever;

class Core
{
	public function createCode($product_id, $seller_id, $product_num = 1, $create_uid = -1)
	{
		$code = Dever::rand(8, 0);
		$data['code'] = $code;
		$total = Dever::db('code/info')->total($data);
		if ($total > 0) {
			return $this->createCode($product_id, $seller_id, $product_num, $create_uid);
		}
		
		$data['product_id'] = $product_id;
		$data['seller_id'] = $seller_id;
		$data['product_num'] = $product_num;
		$data['type'] = 1;
		if ($create_uid > 0) {
			$data['create_uid'] = $create_uid;
		}
		Dever::db('code/info')->insert($data);
		return $code;
	}
}