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<?php |
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/** |
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* Class Base |
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* |
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* @link https://www.icy2003.com/ |
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* @author icy2003 <[email protected]> |
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* @copyright Copyright (c) 2017, icy2003 |
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*/ |
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namespace icy2003\php\iapis\baidu; |
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use Exception; |
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use icy2003\php\I; |
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use icy2003\php\ihelpers\Http; |
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use icy2003\php\ihelpers\Json; |
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/** |
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* 百度 API 基类 |
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*/ |
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class Base |
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{ |
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/** |
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* API KEY |
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* |
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* @var string |
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*/ |
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protected $_apiKey; |
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/** |
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* secret KEY |
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* |
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* @var string |
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*/ |
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protected $_secretKey; |
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/** |
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* 错误信息 |
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* |
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* @var array |
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*/ |
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protected $_errorMap = []; |
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/** |
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* 构造函数 |
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* |
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* @param string $apiKey |
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* @param string $secretKey |
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*/ |
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public function __construct($apiKey, $secretKey) |
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{ |
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$this->_apiKey = $apiKey; |
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$this->_secretKey = $secretKey; |
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$this->_errorMap = [ |
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'unknown client id' => 'API Key 不正确', |
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'Client authentication failed' => 'Secret Key不正确', |
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]; |
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} |
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/** |
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* API 返回原始数组 |
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* |
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* @var array |
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*/ |
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protected $_result; |
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/** |
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* access_token |
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* |
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* @var string |
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*/ |
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protected $_token; |
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/** |
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* 请求获得 access_token |
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* |
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* @return static |
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*/ |
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public function requestToken() |
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{ |
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if (null === $this->_token) { |
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$this->_result = Json::decode(Http::post('https://aip.baidubce.com/oauth/2.0/token', [], [ |
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'grant_type' => 'client_credentials', |
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'client_id' => $this->_apiKey, |
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'client_secret' => $this->_secretKey, |
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])); |
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$this->_token = $this->getResult(self::RESULT_TOKEN); |
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if (null === $this->_token) { |
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throw new Exception("access_token 获取失败"); |
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} |
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} |
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return $this; |
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} |
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/** |
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* 是否成功 |
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* |
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* @return boolean |
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*/ |
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public function isSuccess() |
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{ |
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if (I::get($this->_result, 'error')) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* 获取错误信息 |
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* |
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* @return string |
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*/ |
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public function getError() |
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{ |
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if ($error = I::get($this->_result, 'error_description')) { |
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return I::get($this->_errorMap, $error); |
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} |
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return '未知错误'; |
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} |
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/** |
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* access_token 键 |
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*/ |
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const RESULT_TOKEN = 'access_token'; |
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/** |
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* 获取结果 |
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* |
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* @param string $key |
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* |
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* @return mixed |
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*/ |
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public function getResult($key = null) |
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{ |
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if ($this->isSuccess()) { |
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if (null === $key) { |
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return $this->_result; |
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} else { |
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return I::get($this->_result, $key); |
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} |
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} |
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throw new Exception($this->getError()); |
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} |
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/** |
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* toArray 时调用的函数 |
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* |
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* @var callback |
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*/ |
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protected $_toArrayCall; |
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/** |
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* 智能返回有效数据 |
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* |
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154
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* - 如果数据缺失，请使用 getResult() 获取原始数据 |
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* |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return I::trigger($this->_toArrayCall, [$this->getResult()]); |
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} |
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} |
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icy2003 /
php
If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled.