mysqli错误集、压缩包安装

xiaoxiao2021-02-28  95

1、Warning: mysqli_select_db(): Couldn't fetch mysqli in

错误分析:

这是第一次访问后db的connection已经关闭了,所以无法继续产生新的连接

 

头部引用:require_once ('Connection/conn.php');

conn.php中最后一行:mysqli_close($conn);  将其注释掉即可

或者:

unset($connection);

 

2、压缩包安装

https://www.cnblogs.com/m1031478472/archive/2019/01/24/10315349.html

 

https://www.cnblogs.com/RayWang/p/9347874.html

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