debug('s');
$mendian = Db::name("fr
amework_name")->where('join_code="'.$join_code.'" and level=0')->value("id");
//$mendian = Db::query('select id from cc_framework_name where join_code="'.$join_code.'" and level=0 limit 1');
debug('e');
echo debug('s','e');
返回时间：0.155019
debug('s');
//$mendian = Db::name("framework_name")->where('join_code="'.$join_code.'" and level=0')->find();
$mendian = Db::query('select id from cc_framework_name where join_code="'.$join_code.'" and level=0 limit 1');
debug('e');
echo debug('s','e');
返回时间：0.067508
弄了一天没有整明白为啥？？？？ 查询时间竟然差距这么大！
