'/waitLoad/b.png',  //国片相对于网站根目录的路径            'content-type'=>'image/jpg',  //文件类型            'filelength'=>'11011'         //图文大小        );     return $this->add_material($file_info);    }  public function add_material($file_info){    $access_token=$this->token();    $url="https://api.weixin.qq.com/cgi-bin/material/add_material?access_token={$access_token}&type=image";    $ch1 = curl_init ();    $timeout = 5;    $real_path="{$_SERVER['DOCUMENT_ROOT']}{$file_info['filename']}";    // $real_path=str_replace("/", "\\", $real_path);    $data= array("media"=>"@{$real_path}",'form-data'=>$file_info);    curl_setopt ( $ch1, CURLOPT_URL, $url );    curl_setopt ( $ch1, CURLOPT_POST, 1 );    curl_setopt ( $ch1, CURLOPT_RETURNTRANSFER, true );    curl_setopt ( $ch1, CURLOPT_CONNECTTIMEOUT, $timeout );    curl_setopt ( $ch1, CURLOPT_SSL_VERIFYPEER, FALSE );    curl_setopt ( $ch1, CURLOPT_SSL_VERIFYHOST, false );    curl_setopt ( $ch1, CURLOPT_POSTFIELDS, $data );    $result = curl_exec ( $ch1 );    curl_close ( $ch1 );    if(curl_errno()==0){        $result=json_decode($result,true);        return $result['media_id'];    }else {        return false;    }}    public function token(){        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".self::AppID."&secret=".self::AppSecret;        $data = json_decode(file_get_contents($url),true);        if($data['access_token']){            return $data['access_token'];        }else{            echo "Error";            exit();        }    }}?>

创建上边的类文件，然后再网站根目录创建文件夹，来放要上传的素材图片

然后在关注后发送图片

$image=A('AddMaterial');$imageMedia=$image->getMedia();$weObj->image($imageMedia)->reply ();