php 微信公众号上传永久素材

<?php
namespace Mob\Controller;
use Think\Controller;

class WxmaterialController extends Controller {
private $appId;
private $appSecret;
protected function _initialize() {
/* 读取站点配置 */
$config = api('Config/lists');
C($config);
$this -> appId = C('WX_APPID');
$this -> appSecret = C('WX_SECRET');
}

function add_material() {
$file_info = array('filename' => '/Public/1111.jpg', //国片相对于网站根目录的路径
'content-type' => 'image/jpg', //文件类型
'filelength' => '71' //图文大小
);
dump($file_info);
$access_token = $this -> get_access_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($ch1, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($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);
var_dump($result);
return $result['media_id'];
} else {
return false;
}
}

//  =====================================
//  = 获取微信公众号的 access_token=
//  =====================================
private function get_access_token() {
$m_appact = M('Appact', 'ot_', DB_GY);
$data = $m_appact -> where(array('appid' => $this -> appId)) -> field('access_token,expire_time') -> find();
if ($data['expire_time'] < time()) {
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret";
$res = json_decode($this -> httpGet($url));
$access_token = $res -> access_token;
if ($access_token) {
$data['expire_time'] = time() + 7000;
$data['access_token'] = $access_token;
$r = $m_appact -> where(array('appid' => $this -> appId)) -> find();
$save_arr = array('access_token' => $data['access_token'], 'expire_time' => $data['expire_time']);
$add_arr = array('appid' => $this -> appId, 'access_token' => $data['access_token'], 'expire_time' => $data['expire_time']);
$r ? $m_appact -> where(array('appid' => $this -> appId)) -> save($save_arr) : $m_appact -> add($add_arr);
}
} else {
$access_token = $data['access_token'];
}
return $access_token;
}

private function httpGet($url) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_URL, $url);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}

}