add postback method

conf/app.php

@@ -216,6 +216,7 @@ $configs = array(
 
         //广告跟踪回调接口
         "postbackApi" => "",
+        "postbackMethod" => "GET",
         "postbackParaMap" => array(
             "clickid" => 'gclid',
         ),

themes/tajian/controller/SiteController.php

@@ -69,15 +69,19 @@ Class SiteController extends Controller {
         }
 
         //把广告参数追加到回调API网址中
-        /*
+        $timeout = 10;
+        $postbackMethod = !empty(FSC::$app['config']['ad_tracker']['postbackMethod']) ? FSC::$app['config']['ad_tracker']['postbackMethod'] : 'GET';
+        if ($postbackMethod == 'GET') {
             foreach($adParaDataFromCookie as $key => $val) {
                 $postbackApi .= "&{$key}=" . urlencode($val);
             }
-        */
 
             //GET方式请求回调API
-        $timeout = 10;
             return $this->request($postbackApi, null, $timeout);
+        }else {
+            //POST方式请求回调API
+            return $this->request($postbackApi, $adParaDataFromCookie, $timeout);
+        }
     }
 
     //增加cookie跟踪同意/不同意选择，确保用户知道cookie跟踪了哪些数据