有需要的拿去。

<?php
header('Access-Control-Allow-Origin:*');
header('Content-type:application/json; charset=utf-8');
error_reporting(0);
date_default_timezone_set("PRC");
!empty($_GET['type']) ? $type = $_GET['type'] : error("请求参数错误，请刷新重试！~~");
switch ($type)
{
	case 'Getqrcode':
		echo json_encode(getqrcode());
		break;
	case 'Getresult':
		!empty($_GET['qrsig']) ? $qrsig=$_GET['qrsig'] : error("请求参数错误，缺少qrsig~~");
		echo json_encode(getresult($qrsig),JSON_UNESCAPED_UNICODE);
		break;
	default:
		echo json_encode(getqrcode());
}
/**
 * 获取二维码
 */
function getqrcode() {
	$qrcode = array();
	$api = 'https://ssl.ptlogin2.qq.com/ptqrshow?appid=549000912&e=2&l=M&s=3&d=72&v=7&t=0.1415855' . time();
	$paras['header'] = 1;
	$ret = get_curl($api, $paras);
	preg_match('/qrsig=(.*?);/', $ret, $matches);
	preg_match_all('/ (\d){3}/', $ret, $Conlen);
	$arr = explode('com;', $ret);
	$qrcode['qrsig'] = $matches[1];
	$qrcode['data'] = base64_encode(trim($arr['1']));
	return $qrcode;
}

/**
 * @param $qrsig
 * @return array
 * 获取登录状态
 */
function getresult($qrsig) {
	$ret = array();
	$api = 'https://ssl.ptlogin2.qq.com/ptqrlogin?u1=' . urlencode('https://qzs.qzone.qq.com/') . '&ptqrtoken=' . getqrtoken($qrsig) . '&ptredirect=0&h=1&t=1&g=1&from_ui=1&ptlang=2052&action=0-1-' . time() . '&js_ver=90220&js_type=1&login_sig=&pt_uistyle=40&aid=549000912&daid=5&has_onekey=1';
	$paras['cookie'] = 'qrsig=' . $qrsig . ';';
	$body = get_curl($api, $paras);
	if (preg_match("/ptuiCB\('(.*?)'\)/", $body, $arr)) {
		$r = explode("','", str_replace("', '", "','", $arr[1]));
		if ($r[0] == 0) {
			preg_match('/uin=(\d+)&/', $body, $uin);
			$ret['code'] = 1;
			$ret['data']['uin'] = $uin[1];
			$ret['msg'] = 'QQ登录成功';
		} elseif ($r[0] == 65) {
			$ret['msg'] = '登录二维码已失效，请刷新重试！';
		} elseif ($r[0] == 66) {
			$ret['msg'] = '请使用手机QQ扫码登录';
		} elseif ($r[0] == 67) {
			$ret['msg'] = '正在验证二维码...';
		} else {
			$ret['msg'] = '未知错误001，请刷新重试！';
		}
	} else {
		$ret['msg'] = '未知错误002，请刷新重试！';
	}
	return $ret;
}


function get_curl($url, $paras = array()) {
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
	curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
	$httpheader[] = "Accept:*/*";
	$httpheader[] = "Accept-Encoding:gzip,deflate,sdch";
	$httpheader[] = "Accept-Language:zh-CN,zh;q=0.8";
	$httpheader[] = "Connection:close";
	curl_setopt($ch, CURLOPT_HTTPHEADER, $httpheader);
	if ($paras['ctime']) { // 连接超时
		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, $paras['ctime']);
	}
	if ($paras['rtime']) { // 读取超时
		curl_setopt($ch, CURLOPT_TIMEOUT_MS, $paras['rtime']);
	}
	if ($paras['post']) {
		curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $paras['post']);
	}
	if ($paras['header']) {
		curl_setopt($ch, CURLOPT_HEADER, true);
	}
	if ($paras['cookie']) {
		curl_setopt($ch, CURLOPT_COOKIE, $paras['cookie']);
	}
	if ($paras['refer']) {
		if ($paras['refer'] == 1) {
			curl_setopt($ch, CURLOPT_REFERER, 'http://m.qzone.com/infocenter?g_f=');
		} else {
			curl_setopt($ch, CURLOPT_REFERER, $paras['refer']);
		}
	}
	if ($paras['ua']) {
		curl_setopt($ch, CURLOPT_USERAGENT, $paras['ua']);
	} else {
		curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36");
	}
	if ($paras['nobody']) {
		curl_setopt($ch, CURLOPT_NOBODY, 1);
	}
	curl_setopt($ch, CURLOPT_ENCODING, "gzip");
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$ret = curl_exec($ch);
	curl_close($ch);
	return $ret;
}


/** QQ空间Token算法*/
function getqrtoken($qrsig) {
	$len = strlen($qrsig);
	$hash = 0;
	for ($i = 0; $i < $len; $i++) {
		$hash += (($hash << 5) & 2147483647) + ord($qrsig[$i]) & 2147483647;
		$hash &= 2147483647;
	}
	return $hash & 2147483647;
}

function error($str){
	exit(json_encode([
		"code"=>-1,
		"msg"=>$str
	],JSON_UNESCAPED_UNICODE));
}