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37 lines
1.1 KiB
37 lines
1.1 KiB
<?php |
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namespace weChat\common; |
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/** |
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* access_token 获取并缓存 |
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* Trait AccessToken |
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* @package app\common\wechat |
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*/ |
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trait AccessToken |
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{ |
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/** |
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* @return bool|mixed |
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*/ |
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public static function getAccessToken() |
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{ |
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//离过期时间大于五分钟，不进行新的 access_token 获取,直接返回 |
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if ($token = Helper::getValue(Config::get('tokenKey'))) { |
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return $token; |
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} |
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$requestUrl = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s'; |
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$requestUrl = sprintf($requestUrl, Config::get('appId'), Config::get('appSecret')); |
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$data = Helper::getRequest($requestUrl); // 发起获取 access_token 请求 |
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if (!empty($data['access_token'])) { |
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Helper::setValue(Config::get('tokenKey'), $data['access_token'], $data['expires_in'] - 1200); // 保存 access_token |
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return Helper::getValue(Config::get('tokenKey')); |
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} else { |
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Helper::log(json_encode($data)); // 写入错误原因到日志 |
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return false; |
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} |
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} |
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} |
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