id,userName,passWord,realName #{id},#{userName},#{passWord},#{realName} userName = #{userName}, passWord = #{passWord}, realName = #{realName} and id = #{id} and userName = #{userName} and passWord = #{passWord} and realName = #{realName} insert into manage( ) values( ) delete from manage where id=#{id} delete from manage where 1=1 delete from manage where 1=1 update manage where 1=1 update manage where id=#{id} update manage userName = #{item.userName}, passWord = #{item.passWord}, realName = #{item.realName} where 1=1 and id = #{item.id} ${sql} ${sql}