select t1.teacher_id, t1.user_id, t1.school_id, t1.dept_id, t1.name,
t2.dept_name ,t3.name school_name
from dz_teacher t1
left join sys_dept t2 on t1.dept_id = t2.dept_id
left join dz_school t3 on t1.school_id = t3.id
insert into dz_teacher
user_id,dept_id,school_id,name,#{userId},#{deptId},#{schoolId},#{name},
update dz_teacher
user_id = #{userId},dept_id = #{deptId},school_id = #{schoolId},name = #{name},
where teacher_id = #{teacherId}
delete from dz_teacher where teacher_id = #{teacherId}
delete from dz_teacher where teacher_id in
#{teacherId}