大神仙，老神仙，不大不小中神仙，給看看唄.為何繼承了就沒資料值了呢。小弟我啥沒理解呢

大神仙，老神仙，不大不小中神仙，給看看唄.為何繼承了就沒資料值了呢。我啥沒理解呢？
本帖最後由 bixuewei 於 2013-08-03 23:25:10 編輯

$config = array();
$config['DB_HOST']='localhost';
$config['DB_USER']='root';
$config['DB_PASS']='';
$config['DB_NAME']='hfdb';


foreach($config as $name =>$val)
{
define($name,$val);
}
$dsn = "mysql:host=".DB_HOST.";dbname=".DB_NAME;
$dbo = new PDO($dsn,DB_USER,DB_PASS);

/*

$sql="select * from task";

$stmt =$dbo->prepare($sql);

$stmt ->execute();
$results = $stmt -> fetchALL(PDO::FETCH_ASSOC);
print_r($results); 
$stmt ->closeCursor();
*/



class DB_Connect{

public $db;


protected function __construct($dbo=NULL)
{

$dsn = "mysql:host=".DB_HOST.";dbname=".DB_NAME;
try
{
$this->db =new PDO($dsn,DB_USER,DB_PASS);
}
catch(Exception $e)
{
die($e->getMessage());
}
}
}

class Task extends DB_Connect
{
public function __construct($dbo=NULL,$useData=NULL)
{
parent::__construct($dbo);
}

private function _LoadEventTask ($id=NULL)
{
$sql="SELECT * FROM `task`";

try
{
$stmt = $this->db->prepare($sql);
$stmt ->execute();
$results = $stmt -> fetchALL(PDO::FETCH_ASSOC);
$stmt ->closeCursor();
return $results;
}
catch( Exception $e)
{
die($e->getMessage() );
}
}
}
$ssss= new Task($dbo);
var_dump ($ssss);

繼承

分享到：

------解決方案--------------------
object(Task)#2 (1) {
["db"]=>
object(PDO)#3 (0) {
}
}

