1,http://blog.csdn.net/jungsagacity/article/details/7618587
2,http://www.cnblogs.com/lh460795/archive/2013/07/30/3225650.html
实例应用
Myclass.php
<?php
header("Content-type: text/html; charset=utf-8");
header('Access-Control-Allow-Origin:*');
$BiaDuak = '2q5OVS3LlFuZcoXGtXvqxAYq';//定义一般变量
define("accessKeyId","8LdVru54GybHc2DB"); //定义常量
class DbHelp
{
public $servername="5657d48145af1.sh.cdb.myqcloud.com:4065";
public $username="mydata" ;
public $password="w12345";
public $dbname="allhelp";
private static $_instance;
public static function getInstance()
{
if(! (self::$_instance instanceof self) )
{
self::$_instance = new self();
}
return self::$_instance;
}
private function __construct(){}
private function __clone(){}
}
?>
other.php
<?php
header("Content-type: text/html; charset=utf-8");
header('Content-Type: application/json');
header('Access-Control-Allow-Origin:*');
require "Myclass.php";
$dbcontext=DbHelp::getInstance();
echo $BiaDuak;
echo accessKeyId;
echo $dbcontext->servername;
?>