SV_SCHOOL_ADMIN SCHOOL_ID, ACCOUT, PASSWORD, ROLE, REMARK, SCHOOLADMIN_ID #{SCHOOL_ID}, #{ACCOUT}, #{PASSWORD}, #{ROLE}, #{REMARK}, #{SCHOOLADMIN_ID} insert into ( ) values ( ) delete from where SCHOOLADMIN_ID = #{SCHOOLADMIN_ID} update set SCHOOL_ID = #{SCHOOL_ID}, ACCOUT = #{ACCOUT}, PASSWORD = #{PASSWORD}, ROLE = #{ROLE}, REMARK = #{REMARK}, SCHOOLADMIN_ID = SCHOOLADMIN_ID where SCHOOLADMIN_ID = #{SCHOOLADMIN_ID} select from where SCHOOLADMIN_ID = #{SCHOOLADMIN_ID} select from where ACCOUT = #{ACCOUT} and PASSWORD = #{PASSWORD} select from where 1=1 and ( ) select from delete from where SCHOOLADMIN_ID in #{item}