SV_CLASSBASETATION SCLASS_ID, BASESTATION_ID, CREATE_TIME, CLASSBASETATION_ID #{SCLASS_ID}, #{BASESTATION_ID}, #{CREATE_TIME}, #{CLASSBASETATION_ID} insert into ( ) values ( ) delete from where CLASSBASETATION_ID = #{CLASSBASETATION_ID} update set SCLASS_ID = #{SCLASS_ID}, BASESTATION_ID = #{BASESTATION_ID}, CREATE_TIME = #{CREATE_TIME}, CLASSBASETATION_ID = CLASSBASETATION_ID where CLASSBASETATION_ID = #{CLASSBASETATION_ID} select from where CLASSBASETATION_ID = #{CLASSBASETATION_ID} select from where 1=1 and ( ) select from delete from where CLASSBASETATION_ID in #{item}