peixunguanwang/core/weixin/WxJsSDK.php
2022-01-24 10:43:35 +08:00

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<?php
/**
* @copyright (C)2016-2099 Hnaoyun Inc.
* @author XingMeng
* @email hnxsh@foxmail.com
* @date 2019年05月27日
* 微信网页授权
*/
namespace core\weixin;
use core\basic\Config;
class WxJsSDK
{
protected $appid;
protected $secret;
protected $noncestr;
public function __construct()
{
$this->appid = Config::get('weixin_appid');
$this->secret = Config::get('weixin_secret');
$this->noncestr = get_uniqid();
}
// 获取JsAPI签名授权信息
public function getAuthInfo()
{
// 签名数据数组
$data['jsapi_ticket'] = $this->getJsapiTicket();
$data['noncestr'] = $this->noncestr;
$data['timestamp'] = time();
$data['url'] = get_current_url();
$signature = sha1(urldecode(http_build_query($data)));
// 返回数据数组
$result['appid'] = $this->appid;
$result['timestamp'] = $data['timestamp'];
$result['noncestr'] = $this->noncestr;
$result['signature'] = $signature;
return $result;
}
// 获取访问Ticket
private function getJsapiTicket()
{
if (! $this->checkJsapiTicket()) {
$access_token = WxAccessToken::get();
$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=$access_token&type=jsapi";
$result = json_decode(get_url($url));
if (isset($result->errcode) && $result->errcode) {
error('获取微信JsapiTicket发生错误' . $result->errmsg . '(' . $result->errcode . ')');
return false;
} else {
$data['weixin_jsapi_ticket'] = $result->ticket;
$data['weixin_jsapi_ticket_expires_in'] = $result->expires_in;
$data['weixin_jsapi_ticket_timestamp'] = time();
Config::set(sha1('weixin_jsapi_ticket'), $data); // 缓存数据
return $result->ticket;
}
} else {
return Config::get('weixin_jsapi_ticket');
}
}
// 检查Ticket是否可用
private function checkJsapiTicket()
{
Config::assign(RUN_PATH . '/config/' . sha1('weixin_jsapi_ticket') . '.php');
if (Config::get('weixin_jsapi_ticket') && time() - Config::get('weixin_jsapi_ticket_timestamp') < Config::get('weixin_jsapi_ticket_expires_in')) {
return true;
} else {
return false;
}
}
}