namespace Admin\Controller;

use Think\Controller;

class AddMaterialController extends Controller{

const AppID ='';

const AppSecret ='';

/* 新增一个永久的素材 */

public function getMedia(){

$file_info=array(

'filename'=>'/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 ();