Merge pull request #204 from xiaozan/master

支付宝小程序支付

README.md

@@ -51,6 +51,7 @@ QQ交流群：690027516
 - 刷卡支付
 - 扫码支付
 - 账户转账
+- 小程序支付
 
 |  method   |   描述       |
 | :-------: | :-------:   |
@@ -60,6 +61,7 @@ QQ交流群：690027516
 |  pos      | 刷卡支付  |
 |  scan     | 扫码支付  |
 |  transfer | 帐户转账  |
+|  mini     | 小程序支付 |
 
 ### 2、微信
 - 公众号支付

src/Gateways/Alipay.php

@@ -21,6 +21,7 @@
  * @method Collection transfer(array $config) 帐户转账
  * @method Response wap(array $config) 手机网站支付
  * @method Response web(array $config) 电脑支付
+ * @method Collection mini(array $config) 小程序支付
  */
 class Alipay implements GatewayApplicationInterface
 {

src/Gateways/Alipay/MiniGateway.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Yansongda\Pay\Gateways\Alipay;
+
+use Yansongda\Pay\Contracts\GatewayInterface;
+use Yansongda\Pay\Events;
+use Yansongda\Supports\Collection;
+
+class MiniGateway implements GatewayInterface
+{
+    /**
+     * Pay an order.
+     *
+     * @author xiaozan <[email protected]>
+     *
+     * @param string $endpoint
+     * @param array  $payload
+     *
+     * @throws \Yansongda\Pay\Exceptions\GatewayException
+     * @throws \Yansongda\Pay\Exceptions\InvalidArgumentException
+     * @throws \Yansongda\Pay\Exceptions\InvalidConfigException
+     * @throws \Yansongda\Pay\Exceptions\InvalidSignException
+     *
+     * @link https://docs.alipay.com/mini/introduce/pay
+     *
+     * @return Collection
+     */
+    public function pay($endpoint, array $payload): Collection
+    {
+        if (empty(json_decode($payload['biz_content'], true)['buyer_id'])) {
+            throw new \Yansongda\Pay\Exceptions\InvalidArgumentException('buyer_id required');
+        }
+
+        $payload['method'] = $this->getMethod();
+        $payload['sign'] = Support::generateSign($payload);
+
+        Events::dispatch(Events::PAY_STARTED, new Events\PayStarted('Alipay', 'Mini', $endpoint, $payload));
+
+        return Support::requestApi($payload);
+    }
+
+    /**
+     * Get method config.
+     *
+     * @author yansongda <[email protected]>
+     *
+     * @return string
+     */
+    protected function getMethod(): string
+    {
+        return 'alipay.trade.create';
+    }
+}