使用xampp时phpmyadmin页面可以进去，但是php连接数据库时显示错误，以下是错误提示内容
Access denied for user ''@'localhost' (using password: NO)
求大神帮忙看看，百度了好多问题还在，有点懵
密码不对 密码不对
进入到phpmyadmin面板的密码和连接数据库的密码不一样吗
用户名呢？没看到
找到问题了，是引入文件的变量没有得到调用，作用域的问题好像
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