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核心代码：
/*
*pgsql类
*/
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");
$error = "数据库初始化失败，已强制断开链接。<br />抓取到的异常栈如下：<br /><pre>" . print_r($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="/UploadFiles/2021-04-02/jquery-1.11.1.min.js">
标签：
pgsql,pdo,php操作类
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