使用CONCAT()函数mysql向表中某字段后追加一段字符串(field为字段名):update table_name set field=CONCAT(field,'str',)mysql 向表中某字段前加字符串update table_name set field=CONCAT('str',field)...继续阅读 >>
1543 浏览 3年前(2022-01-11) 0个赞select a.id,a.name,a.author,a.time,a.ip,a.state,a.gntype,a.nutotype,b.name as name2,c.name as name3 from yung_guin_tag a left join yung_guin_gntype b on a.gntype = b.bianma left join yung_guin_nutotype c on a.nutotype = c.bianma order by id desc limit 0,2...继续阅读 >>
1634 浏览 3年前(2022-01-11) 0个赞<header>头部<nav>导航<article>文章内容<section>文章翻页类<aside>文章相关<footer>脚部<audio src="XXX.mp3" controls="controls" autoplay="autoplay" loop="3">mp3文件播放及参数<audio controls="controls&q...继续阅读 >>
1509 浏览 3年前(2022-01-11) 0个赞<VirtualHost 127.0.0.1> DocumentRoot "E:\ceshi" ServerName www.ceshi.com</VirtualHost>...继续阅读 >>
1574 浏览 3年前(2022-01-11) 0个赞<style> #Ulist li:nth-of-type(odd){ margin-left: 20px;}奇数行 #Ulist li:nth-of-type(even){margin-left: 10px;}偶数行 <style>...继续阅读 >>
1631 浏览 3年前(2022-01-11) 0个赞