SYS_FHLOG USERNAME, CZTIME, CONTENT, FHLOG_ID #{USERNAME}, #{CZTIME}, #{CONTENT}, #{FHLOG_ID} insert into ( ) values ( ) delete from where FHLOG_ID = #{FHLOG_ID} select from where FHLOG_ID = #{FHLOG_ID} select from where 1=1 and ( USERNAME LIKE CONCAT(CONCAT('%', #{pd.keywords}),'%') or CONTENT LIKE CONCAT(CONCAT('%', #{pd.keywords}),'%') ) and CZTIME >= #{pd.lastStart} and CZTIME <= #{pd.lastEnd} order by CZTIME desc select from delete from where FHLOG_ID in #{item}