thinkphp 打印sql语句方法

thinkphp 打印数据
use think\Db; 引用db

需要查询的sql语句连锁查询

db()->table('business_order')->alias('o')->join(['business_company' => 'c'],'o.bms_id=c.id','left')->where('o.id',1)->where('o.uid',2)->field('o.bms_id,o.id as order_id,o.ocode as bms_ocode, o.shipping_status,c.name as cname,c.logo as clogo')->find();
然后打印原生sql
var_dump(Db::table('business_order')->getLastSql())

string(431) "SELECT `o`.`bms_id`,o.id as order_id,o.ocode as bms_ocode,`o`.`shipping_status`,`o`.`joinname`,c.name as cname,c.logo as clogo FROM `business_order` `o` LEFT JOIN `business_company` `c` ON `o`.`bms_id`=`c`.`id` WHERE `o`.`id` = 1 AND `o`.`uid` = 2 LIMIT 1"