由于国内QQ用户的普遍性，所以现在各大网站都尽可能的提供QQ登陆口，下面我们来看看php版，给大家参考下
/** * QQ互联 oauth * @author dyllen * */ class Oauth { //取Authorization Code Url const PC_CODE_URL = 'https://graph.qq.com/oauth2.0/authorize'; //取Access Token Url const PC_ACCESS_TOKEN_URL = 'https://graph.qq.com/oauth2.0/token'; //取用户 Open Id Url const OPEN_ID_URL = 'https://graph.qq.com/oauth2.0/me'; //用户授权之后的回调地址 public $redirectUri = null; // App Id public $appid = null; //App Key public $appKey = null; //授权列表 //字符串，多个用逗号隔开 public $scope = null; //授权code public $code = null; //续期access token的凭证 public $refreshToken = null; //access token public $accessToken = null; //access token 有效期，单位秒 public $expiresIn = null; //state public $state = null; public $openid = null; //construct public function __construct($config=[]) { foreach($config as $key => $value) { $this->$key = $value; } } /** * 得到获取Code的url * @throws \InvalidArgumentException * @return string */ public function codeUrl() { if (!$this->redirectUri) { throw new \Exception('parameter $redirectUri must be set.'); } $query = [ 'response_type' => 'code', 'client_id' => $this->appid, 'redirect_uri' => $this->redirectUri, 'state' => $this->getState(), 'scope' => $this->scope, ]; return self::PC_CODE_URL . '?' . http_build_query($query); } /** * 取access token * @throws Exception * @return boolean */ public function getAccessToken() { $params = [ 'grant_type' => 'authorization_code', 'client_id' => $this->appid, 'client_secret' => $this->appKey, 'code' => $this->code, 'redirect_uri' => $this->redirectUri, ]; $url = self::PC_ACCESS_TOKEN_URL . '?' . http_build_query($params); $content = $this->getUrl($url); parse_str($content, $res); if ( !isset($res['access_token']) ) { $this->thrwoError($content); } $this->accessToken = $res['access_token']; $this->expiresIn = $res['expires_in']; $this->refreshToken = $res['refresh_token']; return true; } /** * 刷新access token * @throws Exception * @return boolean */ public function refreshToken() { $params = [ 'grant_type' => 'refresh_token', 'client_id' => $this->appid, 'client_secret' => $this->appKey, 'refresh_token' => $this->refreshToken, ]; $url = self::PC_ACCESS_TOKEN_URL . '?' . http_build_query($params); $content = $this->getUrl($url); parse_str($content, $res); if ( !isset($res['access_token']) ) { $this->thrwoError($content); } $this->accessToken = $res['access_token']; $this->expiresIn = $res['expires_in']; $this->refreshToken = $res['refresh_token']; return true; } /** * 取用户open id * @return string */ public function getOpenid() { $params = [ 'access_token' => $this->accessToken, ]; $url = self::OPEN_ID_URL . '?' . http_build_query($params); $this->openid = $this->parseOpenid( $this->getUrl($url) ); return $this->openid; } /** * get方式取url内容 * @param string $url * @return mixed */ public function getUrl($url) { $ch = curl_init(); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_URL, $url); $response = curl_exec($ch); curl_close($ch); return $response; } /** * post方式取url内容 * @param string $url * @param array $keysArr * @param number $flag * @return mixed */ public function postUrl($url, $keysArr, $flag = 0) { $ch = curl_init(); if(! $flag) curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_POST, TRUE); curl_setopt($ch, CURLOPT_POSTFIELDS, $keysArr); curl_setopt($ch, CURLOPT_URL, $url); $ret = curl_exec($ch); curl_close($ch); return $ret; } /** * 取state * @return string */ protected function getState() { $this->state = md5(uniqid(rand(), true)); //state暂存在缓存里面 //自己定义 //。。。。。。。。。 return $this->state; } /** * 验证state * @return boolean */ protected function verifyState() { //。。。。。。。 } /** * 抛出异常 * @param string $error * @throws \Exception */ protected function thrwoError($error) { $subError = substr($error, strpos($error, "{")); $subError = strstr($subError, "}", true) . "}"; $error = json_decode($subError, true); throw new \Exception($error['error_description'], (int)$error['error']); } /** * 从获取openid接口的返回数据中解析出openid * @param string $str * @return string */ protected function parseOpenid($str) { $subStr = substr($str, strpos($str, "{")); $subStr = strstr($subStr, "}", true) . "}"; $strArr = json_decode($subStr, true); if(!isset($strArr['openid'])) { $this->thrwoError($str); } return $strArr['openid']; } }