init & add agent & add job

util4p/MysqlPDO.class.php

@@ -0,0 +1,99 @@
+<?php
+
+require_once('CRObject.class.php');
+
+class MysqlPDO
+{
+	private static $host = 'localhost';
+	private static $port = '3307';
+	private static $db = '';
+	private static $user = 'root';
+	private static $password = '';
+	private static $charset = 'utf8';
+	private static $show_error = false;
+	private $dbh;
+
+	/**/
+	public static function configure(CRObject $config)
+	{
+		self::$host = $config->get('host', self::$host);
+		self::$port = $config->getInt('port', self::$port);
+		self::$db = $config->get('db', self::$db);
+		self::$user = $config->get('user', self::$user);
+		self::$password = $config->get('password', self::$password);
+		self::$charset = $config->get('charset', self::$charset);
+		self::$show_error = $config->getBool('show_error', self::$show_error);
+	}
+
+	/**/
+	public function __construct()
+	{
+		$this->connect();
+	}
+
+	/**/
+	private function connect()
+	{
+		try {
+			$this->dbh = new PDO('mysql:host=' . (self::$host) . ';port=' . (self::$port) . ';dbname=' . (self::$db), self::$user, self::$password);
+			$this->dbh->exec('SET names ' . self::$charset);
+			return true;
+		} catch (PDOException $e) {
+			$this->dbh = null;
+			if (self::$show_error)
+				var_dump($e->getMessage());
+			return false;
+		}
+	}
+
+	/*
+	 * @return bool
+	 * */
+	public function execute($sql, $a_params, $need_inserted_id = false)
+	{
+		if ($this->dbh === null) {
+			return false;
+		}
+		try {
+			$stmt = $this->dbh->prepare($sql);
+			$result = $stmt->execute($a_params);
+			if (self::$show_error && !$result) {
+				var_dump($stmt->errorInfo()[2]);
+			}
+			if ($need_inserted_id) {
+				$result = $result ? $this->dbh->lastInsertId() : false;
+			}
+			$this->dbh = null;
+			return $result;
+		} catch (Exception $e) {
+			if (self::$show_error)
+				var_dump($e->getMessage());
+			return false;
+		}
+	}
+
+	/*
+	 * @param $a_params: key-value array
+	 */
+	function executeQuery($sql, $a_params)
+	{
+		if ($this->dbh === null) {
+			return null;
+		}
+		try {
+			$stmt = $this->dbh->prepare($sql);
+			$stmt->setFetchMode(PDO::FETCH_ASSOC);
+			$result = null;
+			if ($stmt->execute($a_params)) {
+				$result = $stmt->fetchAll();
+			}
+			$this->dbh = null;
+			return $result;
+		} catch (Exception $e) {
+			if (self::$show_error)
+				var_dump($e->getMessage());
+			return null;
+		}
+	}
+
+}