fc.id, fc.user_id, fc.category_name, fc.sort, fc.status SELECT , COUNT(f.id) AS category_file_count FROM sys_file_category fc LEFT JOIN sys_file f ON fc.id = f.category_id AND fc.user_id = #{user_id} AND fc.category_name LIKE CONCAT('%', #{category_name}, '%') AND fc.status = #{status} GROUP BY fc.id ORDER BY fc.sort DESC INSERT INTO sys_file_category user_id, category_name, sort, status, VALUES #{item.user_id}, #{item.category_name}, #{item.sort}, #{item.status}, UPDATE sys_file_category SET category_name = #{item.category_name}, sort = #{item.sort}, status = #{item.status}, WHERE id = #{item.id}