首先是服务端，服务端有一个主要的class组成：apiServer.php
<?php
/**
* apiServer.php
*
* webservice主类
*
* @filename apiServer.php
* @version v1.0
* @update 2011-12-22
* @author homingway
* @contact homingway@gmail.com
* @package webservice
*/
define(\'API_AUTH_KEY\', \'i8XsJb$fJ!87FblnW\');
class apiServer{
//请求参数
public $request = array();
//是否ip限制
public $ip_limit = true;
//允许访问的IP列表
public $ip_allow = array(\'127.0.0.1\',\'192.168.0.99\');
public $default_method = \'welcome.index\';
public $service_method = array();
//私有静态单例变量
private static $_instance = null;
/**
* 构造方法，处理请求参数
*/
private function __construct(){
$this->dealRequest();
}
/**
* 单例运行
*/
public static function getInstance(){
if(self::$_instance === null){
self::$_instance = new self();
}
return self::$_instance;
}
/**
* 运行
*/
public function run(){
//授权
if(!$this->checkAuth()){
exit(\'3|Access Denied\');
}
$this->getApiMethod();
include_once(API_SERVICE_PATH.\'/\'.$this->service_method[\'service\'].\'.php\');
$serviceObject = new $this->service_method[\'service\'];
if($this->request[\'param\']){
$result = call_user_func_array(array($serviceObject,$this->service_method[\'method\']),$this->request[\'param\']);
} else {
$result = call_user_func(array($serviceObject,$this->service_method[\'method\']));
}
if(is_array($result)){
$result = json_encode($result);
}
$result = gzencode($result);
exit($result);
}
/**
* 检查授权
*/
public function checkAuth(){
//检查参数是否为空
if(!$this->request[\'time\'] || !$this->request[\'method\'] || !$this->request[\'auth\']){
return false;
}
//检查auth是否正确
$server_auth = md5(md5($this->request[\'time\'].\'|\'.$this->request[\'method\'].\'|\'.API_AUTH_KEY));
if($server_auth != $this->request[\'auth\']){
return false;
}
//ip限制
if($this->ip_limit){
$remote_ip = $this->getIP();
$intersect = array_intersect($remote_ip,$this->ip_allow);
if(empty($intersect)){
return false;
}
}
return true;
}
/**
* 获取服务名和方法名
*/
public function getApiMethod(){
if(strpos($this->request[\'method\'], \'.\') === false){
$method = $this->default_method;
} else {
$method = $this->request[\'method\'];
}
$tmp = explode(\'.\', $method);
$this->service_method = array(\'service\'=>$tmp[0],\'method\'=>$tmp[1]);
return $this->service_method;
}
/**
* 获取和处理请求参数
*/
public function dealRequest(){
$this->request[\'time\'] = $this->_request(\'time\');
$this->request[\'method\'] = $this->_request(\'method\');
$this->request[\'param\'] = $this->_request(\'param\');
$this->request[\'auth\'] = $this->_request(\'auth\');
if($this->request[\'param\']){
$this->request[\'param\'] = json_decode(urldecode($this->request[\'param\']),true);
}
}
/**
* 获取request变量
* @param string $item
*/
private function _request($item){
return isset($_REQUEST[$item]) ? trim($_REQUEST[$item]) : \'\';
}
/**
* 设置IP限制
* @param bool $limit
*/
public function setIPLimit($limit=true){
$this->ip_limit = $limit;
}
/**
* 获取客户端ip地址
*/
public function getIP(){
$ip = array();
if(isset($_SERVER[\'REMOTE_ADDR\'])){
$ip[] = $_SERVER[\'REMOTE_ADDR\'];
}
if(isset($_SERVER[\'HTTP_VIA\'])){
$tmp = explode(\', \',$_SERVER[\'HTTP_X_FORWARDED_FOR\']);
$ip = array_merge($ip,$tmp);
}
$ip = array_unique($ip);
return $ip;
}
}
?>