摘要: SELECT attachment FROM hljtxeip_draft_notice select a.ID,substring_index(substring_index(a.attachment,',',b.help_topic_id+1),',',-1) from hljtxeip_dra 阅读全文
posted @ 2024-07-25 14:04 20211103 阅读(9) 评论(0) 推荐(0)