select * from dept_table and deptname like concat('%',#{deptname},'%') insert into dept_table(deptname,address,remark) values (#{deptname},#{address},#{remark}) update dept_table deptname = #{deptname}, address = #{address}, remark = #{remark} where id=#{id} delete from dept_table where id=#{id} select * from dept_table;