think\Collection::toJson PHP Method

转换当前数据集为JSON字符串

public toJson ( integer $options = JSON_UNESCAPED_UNICODE ) : string
$options	integer	json参数
return	string

    public function toJson($options = JSON_UNESCAPED_UNICODE)
    {
        return json_encode($this->toArray(), $options);
    }

Collection