应用微信接口,无论是主动登录仍是微信领取咱们起首需求猎取的就是openid,猎取openid的形式有两种,一种是正在存眷的时分进行猎取,这类定阅号就能够猎取的到,第二种是经过网页受权猎取,这类猎取需求的是认证效劳号。
明天我要说的是第二种网页受权猎取openid。上面是我写的一个对于猎取openid的类
<?php /** * 微信受权相干接口 * * @link http://www.phpddt.com */ class Wchat { private $app_id = 'wx444444444444'; private $app_secret = '77777777'; private $state='aaaa'; /** * 猎取微信受权链接 * * @param string $redirect_uri 跳转地点 * @param mixed $state 参数 */ public function get_authorize_url($redirect_uri = '', $state = '') { $redirect_uri = urlencode($redirect_uri); return "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->app_id}&redirect_uri={$redirect_uri}&response_type=code&scope=snsapi_userinfo&state={$state}#wechat_redirect"; } /** * 猎取微信openid */ public function getOpenid($turl) { if (!isset($_GET['code'])){ //触发微信前往code码 $url=$this->get_authorize_url($turl, $this->state); Header("Location: $url"); exit(); } else { //猎取code码,以猎取openid $code = $_GET['code']; $access_info = $this->get_access_token($code); return $access_info; } } /** * 猎取受权token网页受权 * * @param string $code 经过get_authorize_url猎取到的code */ public function get_access_token($code = '') { $appid=$this->app_id; $appsecret=$this->app_secret; $token_url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appid."&secret=".$appsecret."&code=".$code."&grant_type=authorization_code"; //echo $token_url; $token_data = $this->http($token_url); // var_dump( $token_data); if($token_data[0] == 200) { $ar=json_decode($token_data[1], TRUE); return $ar; } return $token_data[1]; } public function http($url, $method='', $postfields = null, $headers = array(), $debug = false) { $ci = curl_init(); /* Curl settings */ curl_setopt($ci, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 30); curl_setopt($ci, CURLOPT_TIMEOUT, 30); curl_setopt($ci, CURLOPT_RETURNTRANSFER, true); switch ($method) { case 'POST': curl_setopt($ci, CURLOPT_POST, true); if (!empty($postfields)) { curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields); $this->postdata = $postfields; } break; } curl_setopt($ci, CURLOPT_URL, $url); curl_setopt($ci, CURLOPT_HTTPHEADER, $headers); curl_setopt($ci, CURLINFO_HEADER_OUT, true); $response = curl_exec($ci); $http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE); if ($debug) { echo "=====post data======\r\n"; var_dump($postfields); echo '=====info=====' . "\r\n"; print_r(curl_getinfo($ci)); echo '=====$response=====' . "\r\n"; print_r($response); } curl_close($ci); return array($http_code, $response); } } ?>
getOpenid($turl)这个办法就是猎取openid的办法。前端挪用代码以下:
$openid=isset($_COOKIE['openid'])?$_COOKIE['openid']:''; if(empty($openid)) { $wchat=new wchat(); $t_url='http://'.$_SERVER['HTTP_HOST'].'/user.php?act=register'; $info=$wchat->getOpenid($t_url); if($info){ $openid=$info['openid']; setcookie('openid',$openid,time()+86400*30); } }
以上就是我总结的猎取openid的办法啦。
以上就是php猎取微信openid的具体内容,更多请存眷资源魔其它相干文章!
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