上午一直在调试安卓同事的一个直播间接口

测试了好几种方法，最后快实现的时候，循环调用出现了问题

最后在 csdn上找到了解决方法

直接上代码吧，挺坑的，阿里的接口，也没注释，都不知道怎么做。

<?php

	header("Content-type: text/html; charset=utf-8"); 

	//phpinfo();

	function curl_http_request($url,$data = null)

	{

		$ch = curl_init();

		curl_setopt($ch, CURLOPT_URL, $url);

		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

		//如果$data不为空,则为POST请求

		if (!empty($data)){

			curl_setopt($ch, CURLOPT_POST, 1);

			curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

		}

		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

		$output = curl_exec($ch);

		$error = curl_error($ch);

		curl_close($ch);

		if ($error){

			throw new Exception('请求发生错误：' . $error);

		}

		//$resultArr = json_decode($output, true);//将json转为数组格式数据

		return $output;



	}



	function percent_encode($res){

		$res=trim(utf8_encode(urlencode($res)));

		//$res=utf8_encode($res);

		$res=str_replace(array('+','*','%7E'), array('%20','%2A','~'), $res);

		return $res;

	}



	function uuid($prefix = '')

	{

		$chars = md5(uniqid(mt_rand(), true));

		$uuid  = substr($chars,0,8) . '-';

		$uuid .= substr($chars,8,4) . '-';

		$uuid .= substr($chars,12,4) . '-';

		$uuid .= substr($chars,16,4) . '-';

		$uuid .= substr($chars,20,12);

		return $prefix . $uuid;

	}



	function compute_signature($parameters, $access_key_secret){

		ksort($parameters);

		$canonicalizedQueryString = '';

		foreach ($parameters as $k => $v) {

			if(empty($canonicalizedQueryString))

				$canonicalizedQueryString .= percent_encode($k) . '=' . percent_encode($v);

			else

				$canonicalizedQueryString .= '&' . percent_encode($k) . '=' . percent_encode($v);

		}

		//var_dump($canonicalizedQueryString);

		$stringToSign = 'GET&%2F&' . percent_encode($canonicalizedQueryString);

		//var_dump($stringToSign);

		$signature=base64_encode(hash_hmac("sha1",$stringToSign,$access_key_secret."&",true));

		return $signature;

	}



	function compose_url($Action,$StreamName='',$AppName=''){

		//$timestamp=strftime("%Y-%m-%dT%H:%M:%SZ",time());

		$timestamp=gmdate("Y-m-d\TH:i:s\Z");

		$access_key_id='xxxxxxx';

		$access_key_secret='xxxxxxxxxxxxxxxxx';

		$parameters = array(

				'Format'        => 'JSON',

				'Version'       => '2014-11-11',

				'AccessKeyId'   => $access_key_id,

				'SignatureVersion'  => '1.0',

				'SignatureMethod'   => 'HMAC-SHA1',

				'SignatureNonce'    => uuid(),

				'TimeStamp'         => $timestamp,

				'Action'            =>$Action,//DescribeCdnService

				'DomainName'        =>'xxx.xxxxx.com',

				'AppName'        =>$AppName,

				'StreamName'        =>$StreamName,

				'StartTime'         => '',

				'EndTime'         =>'',



		);

		$signature = compute_signature($parameters, $access_key_secret);

		$canonicalizedQueryString='Signature='.urlencode($signature);

		foreach ($parameters as $k => $v) {

			$canonicalizedQueryString .= '&' . $k . '=' . percent_encode($v);

		}

		//var_dump("http://cdn.aliyuncs.com/?".$canonicalizedQueryString);





		$url = "http://cdn.aliyuncs.com/?".$canonicalizedQueryString;

		return $url;



		}









	//判断get参数是否存在

	if(is_array($_GET)&&count($_GET)>0)

	{

	

		$url_list=compose_url("DescribeLiveStreamsOnlineList");



		//第一个请求，获取参数

		//直播列表

		$result_lineList=array();

		//拼接url

		

		$array_string = curl_http_request($url_list);

		$result =json_decode($array_string);

		$object = json_decode(json_encode( $result),true);

		$res_array = $object["OnlineInfo"]["LiveStreamOnlineInfo"];

		if(empty($res_array)){

			$content = Array();

			$content["flag"]=0;

			$resturn_str = json_encode($content);

			echo $resturn_str;

		}else{

			$content = Array();

			$content["flag"]=1;

			$content["room"]=$res_array;

			//$resturn_str = json_encode($content);

			//echo $resturn_str;

			//循环遍历每个直播间



			for ($i= 0;$i< count($res_array); $i++){



				$SteamName = $res_array[$i]["StreamName"];

				//echo $SteamName;

				$url_num=compose_url('DescribeLiveStreamOnlineUserNum',$SteamName,'xxxx');



				$array_string_num = curl_http_request($url_num);

				$result_num = json_decode($array_string_num);

				$object_num = json_decode(json_encode( $result_num),true);



				//获取当前直播间的人数

				//$resturn_str = json_encode($object_num);

				//echo $resturn_str;

				//echo "<br/>";



				$UserNumber = $object_num["OnlineUserInfo"]["LiveStreamOnlineUserNumInfo"][0]["UserNumber"];

				$content["room"][$i]["UserNumber"]=$UserNumber;



				//$resturn_str = json_encode($content);

				//echo $resturn_str;



				//echo $content;



			}



			//得到最终数据

			$resturn_str = json_encode($content);

			echo $resturn_str;





		}



	}else{



		$url1=compose_url("DescribeLiveStreamsOnlineList");



		$url= compose_url('DescribeLiveStreamOnlineUserNum','StreamName1','xxxx');

		echo $url;



	}



	

?>

文章参考： http://blog.csdn.net/yfgcq/article/details/52169901

他把所有的功能都实现了， 直接使用就可以了！