add clear

wchat/wx/Token.php

@@ -4,11 +4,35 @@
 namespace wchat\wx;
 
 
-use wchat\base\Access_Token;
+use Kiri\Client;
+use wchat\common\Result;
 
-class Token extends SmallProgram implements Access_Token
+class Token extends SmallProgram
 {
 
+	/**
+	 * @return Result
+	 */
+	public function token(): Result
+	{
+		$query = [
+			'grant_type' => 'client_credential',
+			'appid'      => $this->config->getAppid(),
+			'secret'     => $this->config->getAppsecret()
+		];
+		$client = new Client('api.weixin.qq.com', 443, true);
+		$client->withHeader(['Content-Type' => 'application/json']);
+		$client->get('cgi-bin/token', $query);
+		$client->close();
+		if (!in_array($client->getStatusCode(), [101, 200, 201])) {
+			return new Result(code: 505, message: 'network error.');
+		}
+		$body = json_decode($client->getBody(), true);
+		if (isset($body['errcode']) && $body['errcode'] != 0) {
+			return new Result(code: $body['errcode'], message: $body['errmsg']);
+		}
+		return new Result(code: 0, data: $body);
+	}
 
 
 }