摘要: SELECT a.id, a.`full_name`, a.`category`, bin(a.`category`),substr(REVERSE(LPAD(bin(a.`category`), 20, '0')), 7, 1) 是否,REVERSE(LPAD(bin(a.`category`), 阅读全文
posted @ 2019-01-18 10:31 Python界-黄药师 阅读(109) 评论(0) 推荐(0)