格式化正则二维码
yanhechao 2021-12-28 16:21:57
mysql 查看叶子节点
select dept_id, dept_name as name , parent_id as pid, case when exists( select 1 from sys_dept t2 where a.dept_id = t2.parent_id) then 0 else 1 end as leaf from sys_dept a
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