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- <?php
- /**
- * Created by PhpStorm.
- * User: zhengmingwei
- * Date: 2020/3/7
- * Time: 4:09 PM
- */
-
-
- namespace addons\unishop\extend;
-
- use addons\unishop\model\Config;
- use addons\unishop\model\UserExtend;
- use EasyWeChat\Factory;
- use think\Cache;
- use think\Session;
-
- class Wechat
- {
- public static function initEasyWechat($type = 'miniProgram')
- {
- $config = [
- // 必要配置
- 'app_id' => Config::getByName('app_id')['value'],
- 'secret' => Config::getByName('secret')['value'],
-
- // 下面为可选项
- // 指定 API 调用返回结果的类型:array(default)/collection/object/raw/自定义类名
- //'response_type' => 'array',
- // 'log' => [
- // 'level' => 'debug',
- // 'file' => __DIR__.'/wechat.log',
- // ],
- ];
-
- switch ($type) {
- case 'miniProgram':
- return Factory::miniProgram($config);
- break;
- case 'payment':
- $config['mch_id'] = Config::getByName('mch_id')['value'];
- $config['key'] = Config::getByName('key')['value'];
- // 如需使用敏感接口(如退款、发送红包等)需要配置 API 证书路径(登录商户平台下载 API 证书)
- $config['cert_path'] = Config::getByName('cert_path')['value']; // XXX: 绝对路径!!!!
- $config['key_path'] = Config::getByName('key_path')['value']; // XXX: 绝对路径!!!!
- $config['notify_url'] = Config::getByName('notify_url')['value'];; // 你也可以在下单时单独设置来想覆盖它
- return Factory::payment($config);
- break;
- }
- }
-
- /**
- * 小程序登录
- */
- public static function authSession($code)
- {
- $app = self::initEasyWechat('miniProgram');
-
- $result = $app->auth->session($code);
-
- if (isset($result['session_key']) && isset($result['openid'])) {
- //储存session_key 用来解密微信用户授权数据
- Session::set('session_key', $result['session_key']);
- Session::set('openid', $result['openid']);
- $result['userInfo'] = (new UserExtend())->getUserInfoByOpenid($result['openid']);
- $result['userInfo']['openid'] = $result['openid'];
- unset($result['session_key']);
- }
-
- return $result;
- }
-
- /**
- * 根据user_id获取用户Openid
- * @param $userId
- * @return bool|mixed
- * @throws \think\db\exception\DataNotFoundException
- * @throws \think\db\exception\ModelNotFoundException
- * @throws \think\exception\DbException
- */
- public static function getOpenidByUserId($userId)
- {
- $openid = Cache::get('openid_' . $userId);
- if (empty($openid)) {
- $userExtend = (new UserExtend())->where(['user_id' => $userId])->field('openid')->find();
- if (empty($userExtend['openid'])) {
- return false;
- }
- $openid = $userExtend['openid'];
- Cache::set('openid_' . $userId, $openid, 7200);
- }
- return $openid;
- }
-
- /**
- * 小程序调起支付数据签名
- * https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=7_7&index=5
- * @param array $params
- * @param string $key
- * @return string
- */
- public static function paySign($params, $key)
- {
- ksort($params);
- $string = "";
- foreach ($params as $k => $v) {
- if ($k != "sign" && $v != "" && !is_array($v)) {
- $string .= $k . "=" . $v . "&";
- }
- }
- $string = $string . "key=" . $key;
- //$String= "appId=xxxxx&nonceStr=xxxxx&package=prepay_id="xxxxx&signType=MD5&timeStamp=xxxxx&key=xxxxx"
- return strtoupper(md5($string));
- }
-
- /**
- * 判断H5页面是否在微信内
- */
- public static function h5InWechat()
- {
- if (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'],'MicroMessenger') !== false ) {
- return true;
- }
- return false;
- }
- }
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