php oci8 小试

Oracle_db.class.php

<?php
class Oracle_db{
public $link;
public function __construct(){
$this->link=$this->connect();
if(!$this->link){
echo "连接失败";
exit;
}
}
public function connect(){
return oci_connect('demo','demo','localhost/xe','AL32UTF8');
}
public function execute($sql){
$result=false;
$stid=oci_parse($this->link,$sql);
if($stid){
$result=oci_execute($stid);
}
return array($stid,$result);
}
public function fetch_assoc($stid){
return oci_fetch_assoc($stid);
}

public function fetch_one($stid){
$arr=$this->fetch_assoc($stid);
$this->free($stid);
return $arr;
}
public function fetch_all($stid){
$arr=array();
while($row=$this->fetch_assoc($stid)){
$arr[]=$row;
}
$this->free($stid);
return $arr;
}
public function num_rows($stmt){
return oci_num_rows($stmt);
}
public function error(){
return oci_error($this->link);
}
public function free($stid){
return oci_free_statement($stid);
}
public function server_version(){
return oci_server_version($this->link);
}
public function client_version(){
return oci_client_version();
}
public function __destruct(){
return oci_close($this->link);
}
//
}