微信外部APP拉起小程序

 
/**
 * @desc APP唤起小程序
 *
 * @author Tao
 * @email  804633234@qq.com
 * @date 2022-09-09 15:19
 * Class ArouseApplet
 */
class ArouseApplet
{
    private $appId;
    private $appSecret;
    public function __construct()
    {
        $this->appId="";    //小程序appid
        $this->appSecret="";//小程序密钥
    }
 
    /**
     * @desc 获取凭证
     *
     * @author Tao
     * @email  804633234@qq.com
     * @date 2022-09-09 15:21
     */
    private function getAacessToken():string
    {
        $url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$this->appId."&secret=$this->appSecret";
        $data=$this->curl($url,"","GET");
        return $data['access_token'];
    }
 
    /**
     * @desc 获取UrlScheme
     *
     * @author Tao
     * @email  804633234@qq.com
     * @date 2022-09-09 15:28
     */
    public function getUrlScheme():string
	{
        $accessToken=$this->getAacessToken();
        $url="https://api.weixin.qq.com/wxa/generatescheme?access_token=".$accessToken;
		$params=[
            "jump_wxa"=>[
                "path"=> "",
                "query"=> ""
            ]
        ];
        $data=$this->curl($url,json_encode($params));
        return $data['openlink'];
    }
    /**
     * @desc CURL
     *
     * @param $url
     * @param $data
     * @param string $method
     * @return array
     * @author Tao
     * @email  804633234@qq.com
     * @date 2022-09-09 15:27
     */
    private function curl($url,$params,$method="POST"):array
    {
		 $reqHeader = array(
            'Connection: keep-alive',
            'Content-Type: application/json',
            'Charset: utf-8'
        );
		$ch = curl_init();
        curl_setopt($ch, CURLOPT_HTTPHEADER, $reqHeader);
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
        curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT , 10);
        curl_setopt($ch, CURLOPT_TIMEOUT, 10);
        $result = curl_exec($ch);
        return json_decode($result,true);
    }
}
?>