修改V3接口参数

WeChat/Contracts/Tools.php

@@ -426,7 +426,7 @@ class Tools
             return call_user_func_array(self::$cache_callable['get'], func_get_args());
         }
         $file = self::_getCacheName($name);
-        if (file_exists($file) && ($content = file_get_contents($file))) {
+        if (file_exists($file) && is_file($file) && ($content = file_get_contents($file))) {
             $data = unserialize($content);
             if (isset($data['expired']) && (intval($data['expired']) === 0 || intval($data['expired']) >= time())) {
                 return $data['value'];

WePayV3/Contracts/BasicWePay.php

@@ -45,6 +45,7 @@ abstract class BasicWePay
      * @var array
      */
     protected $config = [
+        'appid'        => '', // 微信绑定APPID，需配置
         'mch_id'       => '', // 微信商户编号，需要配置
         'mch_v3_key'   => '', // 微信商户密钥，需要配置
         'cert_serial'  => '', // 商户证书序号，无需配置
@@ -71,6 +72,7 @@ abstract class BasicWePay
             throw new InvalidArgumentException("Missing Config -- [cert_public]");
         }
 
+        $this->config['appid'] = isset($options['appid']) ? $options['appid'] : '';
         $this->config['mch_id'] = $options['mch_id'];
         $this->config['mch_v3_key'] = $options['mch_v3_key'];
         $this->config['cert_public'] = $options['cert_public'];
@@ -102,7 +104,6 @@ abstract class BasicWePay
      * @param bool $verify 是否验证
      * @return array
      * @throws InvalidResponseException
-     * @throws LocalCacheException
      */
     public function doRequest($method, $pathinfo, $jsondata = '', $verify = false)
     {
@@ -127,10 +128,14 @@ abstract class BasicWePay
                     $headers[$keys] = trim($value);
                 }
             }
+            try {
                 $string = join("\n", [$headers['timestamp'], $headers['nonce'], $content, '']);
                 if (!$this->signVerify($string, $headers['signature'], $headers['serial'])) {
                     throw new InvalidResponseException("验证响应签名失败");
                 }
+            } catch (\Exception $exception) {
+                throw new InvalidResponseException($exception->getMessage(), $exception->getCode());
+            }
         }
         return json_decode($content, true);
     }
@@ -194,7 +199,7 @@ abstract class BasicWePay
             Cert::instance($this->config)->download();
             $cert = $this->tmpFile($serial);
         }
-        return openssl_verify($data, base64_decode($sign), openssl_x509_read($cert), 'sha256WithRSAEncryption');
+        return @openssl_verify($data, base64_decode($sign), openssl_x509_read($cert), 'sha256WithRSAEncryption');
     }
 
     /**

WePayV3/Order.php

@@ -14,9 +14,9 @@
 
 namespace WePayV3;
 
+use WeChat\Contracts\Tools;
 use WeChat\Exceptions\InvalidArgumentException;
 use WeChat\Exceptions\InvalidResponseException;
-use WeChat\Exceptions\LocalCacheException;
 use WePayV3\Contracts\BasicWePay;
 
 /**
@@ -34,12 +34,11 @@ class Order extends BasicWePay
     /**
      * 创建支付订单
      * @param string $type 支付类型
-     * @param string $json 支付参数
+     * @param array $data 支付参数
      * @return array
      * @throws InvalidResponseException
-     * @throws LocalCacheException
      */
-    public function create($type, $json)
+    public function create($type, $data)
     {
         $types = [
             'h5'     => '/v3/pay/transactions/h5',
@@ -50,7 +49,23 @@ class Order extends BasicWePay
         if (empty($types[$type])) {
             throw new InvalidArgumentException("Payment {$type} not defined.");
         } else {
-            return $this->doRequest('POST', $types[$type], $json, true);
+            // 创建预支付码
+            $result = $this->doRequest('POST', $types[$type], json_encode($data, JSON_UNESCAPED_UNICODE), true);
+            if (empty($result['prepay_id'])) return $result;
+            // 支付参数签名
+            $time = (string)time();
+            $appid = $this->config['appid'];
+            $prepayId = $result['prepay_id'];
+            $nonceStr = Tools::createNoncestr();
+            if ($type === 'app') {
+                $sign = $this->signBuild(join("\n", [$appid, $time, $nonceStr, $prepayId]));
+                return ['partnerId' => $this->config['mch_id'], 'prepayId' => $prepayId, 'package' => 'Sign=WXPay', 'nonceStr' => $nonceStr, 'timeStamp' => $time, 'sign' => $sign];
+            } elseif ($type === 'jsapi') {
+                $sign = $this->signBuild(join("\n", [$appid, $time, $nonceStr, "prepay_id={$prepayId}"]));
+                return ['appId' => $appid, 'timeStamp' => $time, 'nonceStr' => $nonceStr, 'package' => "prepay_id={$prepayId}", 'signType' => 'RSA', 'paySign' => $sign];
+            } else {
+                return $result;
+            }
         }
     }
 
@@ -59,7 +74,6 @@ class Order extends BasicWePay
      * @param string $orderNo 订单单号
      * @return array
      * @throws InvalidResponseException
-     * @throws LocalCacheException
      */
     public function query($orderNo)
     {

WePayV3/Refund.php

@@ -15,7 +15,6 @@
 namespace WePayV3;
 
 use WeChat\Exceptions\InvalidResponseException;
-use WeChat\Exceptions\LocalCacheException;
 use WePayV3\Contracts\BasicWePay;
 
 /**
@@ -27,14 +26,13 @@ class Refund extends BasicWePay
 {
     /**
      * 创建退款订单
-     * @param string $json 退款参数
+     * @param array $data 退款参数
      * @return array
      * @throws InvalidResponseException
-     * @throws LocalCacheException
      */
-    public function create($json)
+    public function create($data)
     {
-        return $this->doRequest('POST', '/v3/ecommerce/refunds/apply', $json, true);
+        return $this->doRequest('POST', '/v3/ecommerce/refunds/apply', json_encode($data, JSON_UNESCAPED_UNICODE), true);
     }
 
     /**
@@ -42,7 +40,6 @@ class Refund extends BasicWePay
      * @param string $refundNo 退款单号
      * @return array
      * @throws InvalidResponseException
-     * @throws LocalCacheException
      */
     public function query($refundNo)
     {

_test/pay-v3-config.php

@@ -1,6 +1,7 @@
 <?php
 
 return [
+    'appid'        => '绑定的APPID',
     'mch_id'       => '您的商户编号',
     'mch_v3_key'   => '您的V3接口密码',
     'cert_public'  => <<<EOF

_test/pay-v3-order-create.php

@@ -10,7 +10,7 @@ try {
     $payment = \WePayV3\Order::instance($config);
 
     // 4. 组装支付参数
-    $result = $payment->create('jsapi', json_encode([
+    $result = $payment->create('jsapi', [
         'appid'        => 'wx60a43dd8161666d4',
         'mchid'        => $config['mch_id'],
         'description'  => '商品描述',
@@ -18,10 +18,10 @@ try {
         'notify_url'   => 'https://thinkadmin.top',
         'payer'        => ['openid' => 'o38gps3vNdCqaggFfrBRCRikwlWY'],
         'amount'       => ['total' => 1, 'currency' => 'CNY'],
-    ], JSON_UNESCAPED_UNICODE));
+    ]);
 
     echo '<pre>';
-    echo "\n--- 创建预支付码 ---\n";
+    echo "\n--- 创建支付参数 ---\n";
     var_export($result);
 
 } catch (\Exception $exception) {