.

代码如下，代码为memcache官方代码，引用在此，做一下简单的说明：

1、设置用户名和密码

define('ADMIN_USERNAME','admin'); // Admin Username
define('ADMIN_PASSWORD','123456');   // Admin Password

2、配置服务器及其端口，可以配置多台

$MEMCACHE_SERVERS[] = 'localhost:11211'; // add more as an array
$MEMCACHE_SERVERS[] = 'localhost:11212'; // add more as an array

<?php /*  +----------------------------------------------------------------------+  | PHP Version 5                                                        |  +----------------------------------------------------------------------+  | Copyright (c) 1997-2004 The PHP Group                                |  +----------------------------------------------------------------------+  | This source file is subject to version 3.0 of the PHP license,       |  | that is bundled with this package in the file LICENSE, and is        |  | available through the world-wide-web at the following url:           |  | http://www.php.net/license/3_0.txt.                                  |  | If you did not receive a copy of the PHP license and are unable to   |  | obtain it through the world-wide-web, please send a note to          |  | license@php.net so we can mail you a copy immediately.               |  +----------------------------------------------------------------------+  | Author:  Harun Yayli                        |  +----------------------------------------------------------------------+*/$VERSION='$Id: memcache.php,v 1.1.2.3 2008/08/28 18:07:54 mikl Exp $';define('ADMIN_USERNAME','admin'); 	// Admin Usernamedefine('ADMIN_PASSWORD','123456');  	// Admin Passworddefine('DATE_FORMAT','Y/m/d H:i:s');define('GRAPH_SIZE',200);define('MAX_ITEM_DUMP',50);$MEMCACHE_SERVERS[] = 'localhost:11211'; // add more as an array////////// END OF DEFAULT CONFIG AREA ////////////////////////////////////////////////////////////////////////////// Password protect ////////////////////////////////////////////////////////////////if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']) ||           $_SERVER['PHP_AUTH_USER'] != ADMIN_USERNAME ||$_SERVER['PHP_AUTH_PW'] != ADMIN_PASSWORD) {			Header("WWW-Authenticate: Basic realm=\"Memcache Login\"");			Header("HTTP/1.0 401 Unauthorized");			echo 				
Rejected!
				Wrong Username or Password!