DbPool.php
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<?php
class DbPool {
/**
* @var DbPool[]
*/
static $instance = [];
/**
* @var \PDO
*/
private $client;
/**
* @return mixed
* @author：dc
* @time 2023/2/13 9:12
*/
public function getClient(){
return $this->client;
}
public function __construct()
{
try {
$this->client = new \PDO(
'mysql:charset=utf8mb4;dbname='.DB_DATABASE.';host='.DB_HOST.';port='.DB_PORT,
DB_USER,
DB_PASSWORD,
[
\PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
\PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES 'utf8mb4'",
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
]
);
}catch (\PDOException $e){
}
}
public function query($sql){
}
public function get($sql){
}
public function first($sql){
}
public function delete(){
}
/**
* @param $cid
* @return DbPool
* @author：dc
* @time 2023/2/13 9:39
*/
public static function instance($cid){
if(empty(static::$instance[$cid])){
static::$instance[$cid] = new \RedisPool();
}
return static::$instance[$cid];
}
}