当我尝试访问mysql数据库时，ide会出现“could not connect to mysql:access denied for user'smeeton'@'localhost'（using password:yes）”错误消息。我尝试了我在这里找到的每个命令，例如“mysql-u root-p-h”，但它总是问我用户名和密码，或者它不识别mysql关键字。我尝试从sql控制台创建新用户，但它不允许我这样做。如何连接数据库_
mysqli\u connect.php

<?php

DEFINE('DB_USER','smeeton');
DEFINE('DB_PASSWORD',"Lighthouse");
DEFINE('DB_HOST','localhost');
DEFINE('DB_NAME','estatedb');

$dbcon = @mysqli_connect(DB_HOST,DB_USER,DB_PASSWORD,DB_NAME) or die
('Could not connect to MySQL: '.mysqli_connect_error());

mysqli_set_charset($dbcon,'utf8');
?>