INSERT INTO im_group_member (id_,im_group_id_,user_id_,nickname_,is_admin_,role_type_,create_time_,update_time_) VALUES(#{id},#{imGroupId},#{userId},#{nickname},#{isAdmin},#{roleType},#{createTime},#{updateTime}) INSERT INTO im_group_member (id_,im_group_id_,user_id_,nickname_,is_admin_,role_type_,create_time_,update_time_) VALUES (#{item.id},#{item.imGroupId},#{item.userId},#{item.nickname},#{item.isAdmin},#{item.roleType},#{item.createTime},#{item.updateTime}) UPDATE im_group_member role_type_ = #{roleType}, user_id_ = #{userId}, nickname_ = #{nickname}, id_ = #{id}, is_admin_ = #{isAdmin}, im_group_id_ = #{imGroupId}, update_time_ = #{updateTime}, create_time_ = #{createTime}, WHERE id_ = #{id} UPDATE im_group_member role_type_ = #{item。roleType}, user_id_ = #{item。userId}, nickname_ = #{item.nickname}, id_ = #{item。id}, is_admin_ = #{item。isAdmin}, im_group_id_ = #{item。imGroupId}, update_time_ = #{item。updateTime}, create_time_ = #{item。createTime}, WHERE id_ = #{item。id} DELETE FROM im_group_member WHERE id_ = #{id} DELETE FROM im_group_member WHERE im_group_id_ = #{imGroupId} DELETE FROM im_group_member WHERE id_ in #{item.id}