text PDO与数据库的连接

Posted 2021-05-03

<?php 

require_once __DIR__ . './../vendor/autoload.php';
$dotenv = Dotenv\Dotenv::create(__DIR__, '../.env');
$dotenv->load();

// create constants
define("DB_HOST", "localhost");
define("DB_NAME", $_ENV['DATABASE_NAME']);
define("DB_USER", $_ENV['DATABASE_USER']);
define("DB_PASSWORD", $_ENV['DATABASE_PASS']);
 
$dsn = "mysql:host=". DB_HOST .";dbname=". DB_NAME . "";
$options = [
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
    PDO::ATTR_EMULATE_PREPARES => false
];
 
try {
    $conn = new PDO($dsn, DB_USER, DB_PASSWORD, $options);
    // echo "connected";
} catch(PDOException $e) {
    // print "Error!: " . $e->getMessage() . "<br/>";
    die(json_encode(array('outcome' => false, 'message' => 'Unable to connect')));
};

DATABASE_NAME=
DATABASE_USER=root
DATABASE_PASS=root

DATABASE_NAME=
DATABASE_USER=root
DATABASE_PASS=root