是否有可能将mysql资源赋予$ _SESSION变量?PHP会话+ MySQL资源
//mysqldb.inc.php
class mySqlDb
{
private $link;
public function __construct($_host = '', $_db = '', $_user = '', $_pwd = '')
{
$link = mysql_pconnect(...);
}
public function query($data)
{
$r = mysql_query($data, $this->link);
return $r;
}
}
//index.php
session_start();
include_once('mysqldb.inc.php');
$sqlobj = new mySqlDb();
$sqlobj->dbconnect($db_host, $db_name, $db_user, $db_pwd);
$_SESSION['mysqldb'] = $sqlobj;
//check.php
session_start();
include_once('mysqldb.inc.php');
$sqlobj = $_SESSION['mysqldb'];
$sqlobj->query(...);
$sqlobj->query(...)
回报
Fatal error: main(): The script tried to execute a method or access a property of an incomplete object. Please ensure that the class definition "mySqlDb" of the object you are trying to operate on was loaded before unserialize() gets called or provide a __autoload() function to load the class definition in D:\apache\www\check.php on line 4`
如果我使用$_SESSION['mysqldb'] = serialize($sqlobj)
和$sqlobj = unserialize($_SESSION['mysqldb'])
我有这样的错误:
Warning: mysql_query() expects parameter 2 to be resource, integer given in D:\apache\www\mysqldb.inc.php on line ...
我不明白为什么不。但是,为什么*你会? – Matt 2012-08-13 21:08:17
此外,它可能不会帮助回答你的问题,但你应该停止使用'mysql_ *'函数。他们正在被弃用。请使用[PDO](http://php.net/manual/en/book.pdo.php)(自PHP 5.1起支持)或[mysqli](http://php.net/manual/en/book)。 mysqli.php)(自PHP 4.1起支持)。如果你不确定使用哪一个,[阅读本文](http://net.tutsplus.com/tutorials/php/pdo-vs-mysqli-which-should-you-use/)。 – Matt 2012-08-13 21:08:34
感谢您的建议马特。 – JEdot 2012-08-13 21:10:18