id, user_id, role_item_no, select_flag INSERT INTO user_business_role id, user_id, role_item_no, select_flag VALUES #{id,jdbcType=INTEGER}, #{userId,jdbcType=VARCHAR}, #{roleItemNo,jdbcType=INTEGER}, #{selectFlag,jdbcType=CHAR} delete from user_business_role and role_item_no=#{roleItemNo,jdbcType=INTEGER} and user_id=#{userId,jdbcType=VARCHAR} INSERT INTO user_business_role( user_id, role_item_no, select_flag )VALUES ( #{element.userId,jdbcType=VARCHAR}, #{element.roleItemNo,jdbcType=INTEGER}, #{element.selectFlag,jdbcType=CHAR} ) select from user_business_role and role_item_no=#{roleItemNo,jdbcType=INTEGER} and user_id=#{userId,jdbcType=VARCHAR} select distinct B.user_id,B.username as userName ,B.user_display as userDisplay from user_business_role A left join sys_user B on A.user_id = B.user_id and B.site = #{site,jdbcType=VARCHAR} and B.status = #{status,jdbcType=VARCHAR}