分享一下我写的JSON_RPC通讯机制，仿新浪微博的API

JSON_RPC_Client 客户端

/**
* @package JSON_RPC 客户端请求
* @author fengwei
*
*/
class jsonRPCClient {
/**
* @desc Debug state
* @var boolean
*/
static private $debug = false;
/**
* @desc 应用通信的key
* @var string
*/
static private $key = "1.0_7413a20f00d1a1790d387822097ddae2";
/**
* @desc 请求服务器的地址
* @var string
*/
static private $url = "http://localhost/api/index.php";
/**
* @desc 应用的名称
* @var string
*/
static private $app = "tubo";

/**
* @desc 接口
* @param string $api 请求的接口
* @param array $params 参数
*/
static public function get($api, array $params){

if (empty($api) || !stripos($api, "/")) {
throw new Exception(" 接口错误 : {$api} ");
}
$api = explode('/', $api);
$times = time();
$request = array(
'model' => $api[0],
'action' => $api[1],
'params' => $params,
'keys' => array(
'app'=> self::$app,
'key'=> self::$key,
'times'=> $times,
'OAuthKey'=> md5( md5( self::$app ).self::$key.$times ),
),
);
$request = json_encode($request);
self::$debug && self::$debug.='***** Request *****'."\n".$request."\n".'***** End Of request *****'."\n\n";

//设置HTPP请求头, POST 请求，类型JSON
$opts = array (
'http' => array (
'method' => 'POST',
'header' => 'Content-type: application/json',
'content' => $request,
));

//创建请求的流
$context = stream_context_create($opts);
//打开服务端链接
if ($fp = fopen(self::$url, 'r', false, $context)) {
$response = '';
while($row = fgets($fp)) {
$response.= trim($row)."\n";
}
self::$debug && self::$debug.='***** Server response *****'."\n".$response.'***** End of server response *****'."\n";
echo ($response);
$response = json_decode($response,true);
} else {
throw new Exception('服务端URL请求失败： '.self::$url);
}

// 打开调试信息
if (self::$debug) {
echo nl2br($debug);
}

return $response;
}

}

 

//获取用户的信息 仿新浪微博接口

$rseult = jsonRPCClient::get("Member/getUserInfo", array("uid"=>'6'));
var_dump($rseult);

 

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JSON_PRC_SERIVCE 服务器端 http://localhost/api/index.php

/**
* @desc JSON_PRC_Service
*
* 请求 参数格式说明
*
* $param 必须为json 格式
* //验证信息
* $param["keys"] = array(
* 'uid'=>
* 'app'=>
* 'times'
* 'OAuthKey'=>
* )
* $param["model"] // 请求的Model
* $param["action"] // 请求的方法
* //请求方法所需的参数
* $param["param"] = array(
* uid=>
* username=>
* )
*/
class JSON_RPC_Service
{
/**
* @desc 存放$_POST过来的数组
* @var unknown_type
*/
public $request = array();
/**
* @desc 允许的App应用
* @var 数组的键值 必须为 定义常量的那个key; define('T_KEY', "xxxxx")如 T_KEY 是tubo的key
*/
public $apps = array("T_KEY"=>"tubo");
/**
* @desc 存放 请求的对象
*/
public $obj = "";

/**
* @desc 初始化
*/
public function __construct()
{
//保存POST过来的数据

$this -> request = json_decode(file_get_contents('php://input'),true);

//验证通讯的key
$this -> verifyKey();

//调用请求的方法
$this -> verifyMethod();

//输出数据
$this -> handle();
}

/**
*@desc 验证App应用是否合法
*/
public function verifyKey()
{

if(!in_array($this->request['keys']['app'], $this->apps)){
$this->json_exit(array("state"=>false, "errorMsg"=>Error::getErrorByNo(Error::API_VERIFY_KEY_ERROR)));
}

//取得App的类型 ，如 tubo 是 T_KEY
$this->request['keys']['key_type'] = $this->getKeyByValue($this->apps, $this->request['keys']['app']);
$result = Tools::verifyKey($this->request['keys']);
if(!$result){
$this->json_exit(array("state"=>false, "errorMsg"=>Error::getErrorByNo(Error::API_VERIFY_KEY_ERROR)));
}
return true;
}

/**
*@desc 验证 请求的对象 和方法
*/
public function verifyMethod()
{
if(!file_exists($filepath = LIB ."Openapi/{$this->request['model']}.class.php")){
$this->json_exit(array("state"=>false, "errorMsg"=>Error::getErrorByNo(Error::API_NOT_EXIEST_MODEL)));
}

$className = "Openapi_".$this->request['model'];
$this->obj = new $className();

if(!@method_exists($this->obj, $this->request['action']) && $this->request['action']{0} != '_') {
$this->json_exit(array("state"=>false, "errorMsg"=>Error::getErrorByNo(Error::API_NOT_EXIEST_METHOD)));
}
return true;
}

/**
* @desc 取得结果
*/
public function handle()
{
$data = call_user_func_array(array($this->obj, $this->request['action']),$this->request['params']);
$this ->json_exit($data);
}

/**
* @desc 输出结果
*/
public function json_exit($data){
echo json_encode($data);
exit();
}

public function getKeyByValue($array, $value){
foreach($array as $k=>$v){
if ($value == $v){
return $k;
}
}
}

}

//运行
new JSON_RPC_Service();

 

 

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