摘要: select * from tbl_user a where(select count(1) as cnt from tbl_order b where a.phone=b.phone)=0 阅读全文
posted @ 2019-05-14 14:26 1553 阅读(819) 评论(0) 推荐(0) 编辑
摘要: $pinyin = pinyin('中华人民共和国'); echo $pinyin; 输出 zhonghuarenmingongheguo 阅读全文
posted @ 2019-05-14 14:20 1553 阅读(409) 评论(0) 推荐(0) 编辑