Question

我知道这是一个新手错误，但我尝试了4天，我不能单独解决这个问题。

有人可以帮帮我吗？

<?php
class User {
	private $dbHost     = "HOST";
    private $dbUsername = "USER";
    private $dbPassword = "PASS";
    private $dbName     = "DB NAME";
	private $userTbl    = 'TABLE NAME';
	
	function __construct(){
		if(!isset($this->db)){
            // Connect to the database
            $conn = new mysqli($this->dbHost, $this->dbUsername, $this->dbPassword, $this->dbName);
            if($conn->connect_error){
                die("Failed to connect with MySQL: " . $conn->connect_error);
            }else{
                $this->db = $conn;
            }
        }
	}
	
	function checkUser($userData = array()){
		if(!empty($userData)){
			// Check whether user data already exists in database
			$prevQuery = "SELECT * FROM ".$this->userTbl." WHERE oauth_provider = '".$userData['oauth_provider']."' AND oauth_uid = '".$userData['oauth_uid']."'";
			$prevResult = $this->db->query($prevQuery);
			if($prevResult->num_rows > 0){
				// Update user data if already exists
				$query = "UPDATE ".$this->userTbl." SET first_name = '".$userData['first_name']."', last_name = '".$userData['last_name']."', email = '".$userData['email']."', gender = '".$userData['gender']."', locale = '".$userData['locale']."', picture = '".$userData['picture']."', link = '".$userData['link']."', modified = '".date("Y-m-d H:i:s")."' WHERE oauth_provider = '".$userData['oauth_provider']."' AND oauth_uid = '".$userData['oauth_uid']."'";
				$update = $this->db->query($query);
			}else{
				// Insert user data
				$query = "INSERT INTO ".$this->userTbl." SET oauth_provider = '".$userData['oauth_provider']."', oauth_uid = '".$userData['oauth_uid']."', first_name = '".$userData['first_name']."', last_name = '".$userData['last_name']."', email = '".$userData['email']."', gender = '".$userData['gender']."', locale = '".$userData['locale']."', picture = '".$userData['picture']."', link = '".$userData['link']."', created = '".date("Y-m-d H:i:s")."', modified = '".date("Y-m-d H:i:s")."'";
				$insert = $this->db->query($query);
			}
			
			// Get user data from the database
			$result = $this->db->query($prevQuery);
			$userData = $result->fetch_assoc();
		}
		
		// Return user data
		return $userData;
	}
}
?>

显然代码是正确的，但是当我尝试记录它时会显示以下错误：

警告：mysqli :: mysqli（）:( HY000 / 1044）：在/ var / www / html / URL / web / bbb / User中拒绝用户'USER'@'％'访问数据库'DB NAME'第12行的.php 无法与MySQL连接：用户'USER'@'％'访问被拒绝到数据库'DB NAME'

Answer 1

确保您的用户有权在您的代码中执行您所查询的任何内容。运行它到你的mysql

GRANT ALL on *.* to 'USER'@'%'  identified by 'some_password'';
FLUSH PRIVILEGES;

Answer 2

其中一个，您的凭据可能不是有效，另外它会导致 MYSQLi 处理（数据库，表格）名称包含空格<的问题/ strong>。

数据库连接的基本错误

2 个答案: