UPDATE assignment teacherid = #{teacherid}, content = #{content}, description = #{description}, created = #{created}, starttime = #{starttime}, endtime = #{endtime}, status = #{status}, areaid = #{areaid}, packagename = #{packagename}, assigntype = #{assigntype} WHERE assignmentid = #{assignmentid} update assignanswer content = #{content}, created = #{created}, medias = #{medias,typeHandler=com._3e.http.wrongbook.typehandler.JSONTypeHandlerPg} WHERE uid = #{uid} and assignmentid = #{assignmentId} INSERT INTO assignanswer( uid, assignmentid, content, created,medias) VALUES ( #{uid},#{assignmentId}, #{content}, #{created}, #{medias,typeHandler=com._3e.http.wrongbook.typehandler.JSONTypeHandlerPg})