ClassService.class.php
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<?php
/**
* Created by PhpStorm.
* User: zhonglei
* Date: 2017/6/21
* Time: 17:14
*/
namespace Common\Service;
use Common\Model\ClassModel;
class ClassService extends AbstractService
{
// 构造方法
public function __construct()
{
parent::__construct();
$this->_d = new ClassModel();
}
/**
* 唯一分类名检查
*
* @author tangxingguo
*
* @param string $class_name 分类名
* @param int $class_id 分类ID
*
* @return bool false=不唯一，true=唯一
*/
public function uniqueName($class_name, $class_id = 0)
{
if ($class_id > 0) {
$conds = [
'class_name' => $class_name,
'class_id != ?' => $class_id, // 不等于当前分类
];
} else {
$conds = ['class_name' => $class_name];
}
$count = $this->count_by_conds($conds);
if ($count > 0) {
return false;
}
return true;
}
}