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本篇內容主要講解“怎么用pgsql pdo php操作類”，感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷，實用性強。下面就讓小編來帶大家學習“怎么用pgsql pdo php操作類”吧!
核心代碼：
/*
*pgsql類
*/
class pgdb {
public $pdo;
public static $PDOInstance;
public $config;
public $data;
public $filed = '*';
public $table;
public $limit;
public $order;
public $where;
public $left;
const LOGIN = 7;
const USER = 1;
const GROUP = 2;
const USERGROUP = 3;
const LOG = 6;
const WARING = 1;
const ERROR = 2;
const INFO = 0;
public function __construct() {
if (!self::$PDOInstance) {
$this->config = json_decode(file_get_contents("./config/db.json"), true);
$config = $this->config;
$host = $config["data_base"]["db_host"];
$dbname = $config["data_base"]["db_name"];
$port = $config["data_base"]["db_port"];
$username = $config["data_base"]["db_user"];
$password = $config["data_base"]["db_pwd"];
if ($config["data_base"]["db_host"] != 'localhost') {
$hosturl = "host=$host;";
}
try
{
self::$PDOInstance = new PDO("pgsql:"
. $hosturl
. "port=$port;"
. "dbname=$dbname;"
, $username
, $password
, array(
PDO::ATTR_PERSISTENT => true,
)
);
} catch (Exception $ex) {
header("Content-type: text/html; charset=utf-8");
$error = "數據庫初始化失敗，已強制斷開鏈接。<br />抓取到的異常棧如下：<br /><pre>" . print_r($ex, true) . "</pre>";
die($error);
}
try {
self::$PDOInstance->query("SET client_encoding='UTF-8';");
self::$PDOInstance->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
self::$PDOInstance->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (Exception $exc) {
$this->pdo=NULL;
$doc = <<<DOC
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="layer/jquery-1.11.1.min.js"></script>
<script src="layer/layer.js"></script>
<head>
<body>
DOC;
print $doc;
$info=L('服務器變更請刷新');
print("<script>layer.msg('".$info."', {icon: 2,time: 30000},function(){location.reload();});</script>");
print('</body></html>');
exit();
}
}
$this->pdo = self::$PDOInstance;
}
}到此，相信大家對“怎么用pgsql pdo php操作類”有了更深的了解，不妨來實際操作一番吧！這里是億速云網站，更多相關內容可以進入相關頻道進行查詢，關注我們，繼續學習！
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