Implementation code for scanning QR code to follow and one-click following WeChat official account

This article mainly shares with you the implementation code of scanning the QR code to follow and one-click following the WeChat public account, hoping to help everyone better develop the WeChat public account function.

 * 获取一键关注授权标识
 * */
public function getIdentification()
{
    $burl = "https://api.weixin.qq.com/cgi-bin/get_current_selfmenu_info?access_token=" . $this->access_tokens . "";
    $result = curl_get($burl);
    preg_match('/__biz.*&mid/', $result, $matches);//正则截取字符串
    $sVid = $this->get_between($matches[0], "__biz=", "==&mid");//截取出微信公众号唯一标识
    $okurl="https://mp.weixin.qq.com/mp/profile_ext?action=home&__biz=".$sVid."==&scene=124#wechat_redirect";
    jumpUrl($okurl);

}

php custom interception of the middle part of the string method, used above, post it!

/* * php截取指定两个字符之间字符串 * */function get_between($input, $start, $end)
{    $substr = substr($input, strlen($start) + strpos($input, $start), 
(strlen($input) - strpos($input, $end)) * (-1));    return $substr;}

WeChat public account scan code to follow the code

First go to the WeChat public account before and after Scan the code to focus on the code that is not separated

<?php
header("Content-type: text/html; charset=utf-8");
//http://pay.sucaihuo.com/project/access_token
//php获取微信access_token,appid和app_secret得到微信access_token
//php根据appid和secret获取微信access_token,php通过curl远程获取微信access_token信息
$appid = &#39;自己公众号的appid&#39;;
$secret = &#39;自己公众号的secret &#39;;
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $appid . "&secret=" . $secret . "";
$ch = curl_init();
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
if($result == false)
{
    echo &#39;Curl error: &#39; . curl_error($ch);
}
curl_close($ch);
$access_tokens = json_decode($result, true);
//print_r($access_tokens);
$access_token = $access_tokens[&#39;access_token&#39;];
function getTemporaryQrcode($access_token, $orderId) {
    $url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=" . $access_token . "";
    $qrcode = &#39;{"expire_seconds": 1800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": &#39; . $orderId . &#39;}}}&#39;;
    $result = api_notice_increment($url, $qrcode);
    $rs = json_decode($result, true);
    return $rs;
//    return urldecode($rs[&#39;url&#39;]);
}
$rs = getTemporaryQrcode($access_token, 1123);
//print_r($rs);
$ticket = $rs[&#39;ticket&#39;];
$qrcode = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=" . $ticket . "";
//print_r($qrcode);
function api_notice_increment($url, $data) {
    $ch = curl_init();
//    $header = "Content-type: text/xml";
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
//    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    curl_setopt($ch, CURLOPT_USERAGENT, &#39;Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)&#39;);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $tmpInfo = curl_exec($ch);
    if (curl_errno($ch)) {
        curl_close($ch);
        return $ch;
    } else {
        curl_close($ch);
        return $tmpInfo;
    }
}
?>
<p style="text-align: center;">
<p>关注素材火公众号</p>
<img  src="/static/imghwm/default1.png"  data-src="<?php echo $qrcode; ? alt="Implementation code for scanning QR code to follow and one-click following WeChat official account" >"  class="lazy"   alt="关注公众号二维码"   style="max-width:90%"/>
</p>

and then put the code changed into the interface

post method

class Wxfollow
{
    protected $appid = 'wxf1d959b99f33b156';
    protected $secret = '248f3a560604555ec96215c085cb2723';
    protected $url = "";
    protected $access_tokens = "";


   public function __construct()
    {
        //获取$access_token
        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $this->appid . "&secret=" . $this->secret . "";
        $result = curl_post($url);
        $access_tokens = json_decode($result, true);
        $this->access_tokens = $access_tokens['access_token'];

    }
    public function Follow(){
        //非必传项
        $rs = $this->getTemporaryQrcode($this->access_tokens, 123);
        $ticket = $rs['ticket'];
        $qrcode = "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=" . $ticket . "";
        ///打印二维码显示
        jumpUrl($qrcode);
    }

//生成二维码
    public function getTemporaryQrcode($access_tokens,$orderId)
    {
        $url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=" .$access_tokens . "";
//生成二维码需要的参数
        $qrcode = '{"expire_seconds": 1800, "action_name": "QR_SCENE", "action_info": {"scene": {"scene_id": ' . $orderId . '}}}';
        $momo = json_decode($qrcode, true);

        $result = curl_post($url, $momo);
        $rs = json_decode($result, true);
        return $rs;
    }

curl encapsulation class

function curl_post($url, array $params = array())
{
    $data_string = json_encode($params);
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
    curl_setopt($ch, CURLOPT_HTTPHEADER,
        array(
            'Content-Type: application/json'
        )
    );
    $data = curl_exec($ch);
    curl_close($ch);
    return ($data);
}

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