下面示例是使用 ThinkPHP 6 查询数据表某个字符不重复记录的总个数:
use think\facade\Db; ... $count_res = Db::connect('zs')->table('member_luck_log') ->where('set_id', $set_id) ->where('set_item_id', $item_id) ->field(Db::raw('COUNT(distinct(`vipcode`)) as `count_sum`')) ->find(); echo $count_res['count_sum'];