我试图做一个简单的注册系统在PHP中。我有一个名为Admin的类(内部控制器文件夹),它扩展了DBConnection.php类。管理员类有一个注册方法让adming注册但在那里遇到问题。错误发生在'include_once'处,并且错误显示'Warning:include_once(../ Database/DBConnection.php):未能打开流:C:\ xampp \ htdocs \ WoodlandsAway \ controller \ Admin.php中没有这样的文件或目录第15行----- ' '警告:include_once():在C:\ xampp中打开用于包含(include_path ='C:\ xampp \ php \ PEAR')的'../Database/DBConnection.php'失败\ htdocs \ WoodlandsAway \ controller \ Admin.php on line 15 ----- ' '致命错误:Class'DBConnection'未在C:\ xampp \ htdocs \ WoodlandsAway \ controller \ Admin.php中找到第17行'include_once():未能打开流:没有这样的文件或目录 - PHP
这里是我的include_once代码
include_once ('../Database/DBConnection.php');
And here is my folder structure
--DBConnection.php
class DBConnection {
//put your code here
private $host;
private $user;
private $pass;
private $database;
private $conn;
function DBConnection() {
$this->host = 'localhost';
$this->user = 'root';
$this->pass = '';
$this->database = 'woodlands_away';
}
public function getConnections() {
$this->conn = new mysqli($this->host, $this->user, $this->pass, $this->database) or
die($this->conn->error);
return $this->conn;
}
}
而且admin.php的
include_once ('../Database/DBConnection.php');
class Admin extends DBConnection {
public function Admin() {
parent::DBConnection();
}
public function signup($username, $password) {
$sql = "insert into users values(".$username.", ".$password.")";
return $this->getConnections()->query($sql);
}}
一旦你在你的目录结构中进行验证,你就可以使用相对路径了,一个目录上并检查数据库文件夹是否可用 – Hkachhia
试试'include_once(__DIR__。/../ Database/DBConnection.php')' – HtmHell
是admin.php也包含在内?还是你直接调用该文件? – Jeff