INSERT INTO Words ( wordsId, lessonId, content, phonetic, picture, translate, example1, example2, example3,status ,orderId ) Values ( #{wordsId}, #{lessonId}, #{content}, #{phonetic}, #{picture}, #{translate}, #{example1}, #{example2}, #{example3},#{status}, #{orderId} ) UPDATE Words SET wordsId = #{wordsId}, lessonId = #{lessonId}, content = #{content}, phonetic = #{phonetic}, picture = #{picture}, translate = #{translate}, example1 = #{example1}, example2 = #{example2}, example3 = #{example3},status = #{status},orderId = #{orderId} WHERE wordsId=#{wordsId} SELECT wordsId , lessonId , content , phonetic , picture , translate , example1 , example2 , example3 , status ,orderId FROM Words WHERE wordsId=#{wordsId} SELECT nextval('seq_wordsId') ; INSERT INTO Words ( wordsId, lessonId, content, phonetic, picture, translate, example1, example2, example3 ,status ,orderId ) Values ( #{item.wordsId}, #{item.lessonId}, #{item.content}, #{item.phonetic}, #{item.picture}, #{item.translate}, #{item.example1}, #{item.example2}, #{item.example3},#{item.status} ,#{item.orderId} ) SELECT wordsId , lessonId , content , phonetic , picture , translate , example1 , example2 , example3 ,status,orderId FROM Words WHERE lessonId=#{lessonId} and status=1 ORDER BY orderId ,wordsId SELECT COUNT(wordsid) FROM words WHERE lessonid in #{item} delete from words where wordsid in #{item}