orderRaw ( "rand () ');
/** * Obtain a random product information * @param [type] $condition * @param [type] $field * @param [type] $limit * @return void */ public function randSkuid($condition, $field, $limit) { $result = $this->where($condition)->field($field)->orderRaw('rand()')->limit($limit)->select(); return $result ? $result->toArray() : []; }