警告:mysql_connect():用户'root'@'localhost'拒绝访问(使用密码:YES)

尝试$conn = mysql_connect("localhost", "root")或$conn = mysql_connect("localhost", "root", "")

1> onedevteam.c..：

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尝试$conn = mysql_connect("localhost", "root")或$conn = mysql_connect("localhost", "root", "")

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很可能是因为您没有设置root密码.换句话说,您的SQL设置非常容易受到攻击.[本文](https://www.digitalocean.com/community/articles/how-to-secure-mysql-and-mariadb-databases-in-a-linux-vps)有很多关于保护它的起始技巧