将每个服务的 client 改为单例，修正重入问题

src/Client.php

@@ -5,25 +5,15 @@ namespace PdInternalApi;
 class Client
 {
 
-    protected $currentApp;
+    protected $service_name;
     protected $config;
 
-    public function __construct($config)
+    public function __construct($service_name, $config)
     {
+        $this->service_name = $service_name;
         $this->config = $config;
     }
 
-    /**
-     * @param $app
-     * @return $this
-     */
-    public function app($app)
-    {
-        if (isset($this->config[$app]))
-            $this->currentApp = $app;
-        return $this;
-    }
-
     /**
      * 调用api，如果状态码不为200则抛出异常
      * @param $uri
@@ -33,8 +23,7 @@ class Client
      */
     public function call($uri, $params)
     {
-        $config = array_merge(['timeout' => 3],
-            $this->config[$this->currentApp]);
+        $config = array_merge(['timeout' => 3], $this->config);
         $secret = $config['secret'];
         unset($config['secret']);
         $client = new \GuzzleHttp\Client($config);
@@ -42,10 +31,10 @@ class Client
         $params['timestamp'] = time();
         $params['sign'] = sign($params, $secret);
         $resp = $client->post($uri, ['form_params' => $params]);
-        if ($resp->getStatusCode() == 200) {
-            return \GuzzleHttp\json_decode($resp->getBody(), true);
-        }
+        if ($resp->getStatusCode() != 200) {
             return false;
         }
+        return \GuzzleHttp\json_decode($resp->getBody(), true);
+    }
 
 }

src/ServiceProvider.php

@@ -12,12 +12,9 @@ class ServiceProvider extends \Illuminate\Support\ServiceProvider
     public function register()
     {
         $this->app->configure('internal_api');
-        $this->app->singleton('internal.api', function () {
-            return new Client(config('internal_api.client'));
-        });
-        foreach (config('internal_api.client') as $key => $config) {
-            $this->app->singleton('internal.api.' . $key, function () use ($key) {
-                return $this->app['internal.api']->app($key);
+        foreach (config('internal_api.client') as $service_name => $config) {
+            $this->app->singleton('internal.api.' . $service_name, function () use ($service_name, $config) {
+                return new Client($service_name, $config);
             });
         }