add adwords conversion support

conf/app.php

@@ -200,6 +200,10 @@ $configs = array(
     //Google Adwords目标跟踪ID
     'GAD_MEASUREMENT_ID' => '',
 
+    //Google Adwords conversion配置
+    //示例：{'controller': 'xx', 'action': 'yy', 'send_to': 'zzz'}
+    'GA_MEASUREMENT_CONVERSIONS' => [],
+
     //密码授权默认关闭
     "password_auth" => array(
         "enable" => false,

plugins/Html.php

@@ -98,6 +98,7 @@ Class Html {
     }
 
     //生成GA统计代码
+    //支持conversion代码，示例：gtag('event', 'conversion', {'send_to': 'xxx/NUaEOrczuQD'});
     public static function getGACode() {
         if (!empty(FSC::$app['config']['debug'])) {return '';}
         $msid = !empty(FSC::$app['config']['GA_MEASUREMENT_ID']) ? FSC::$app['config']['GA_MEASUREMENT_ID'] : '';
@@ -123,6 +124,22 @@ eof;
 eof;
         }
 
+
+        if (!empty(FSC::$app['config']['GA_MEASUREMENT_CONVERSIONS'])) {
+            $conversions = FSC::$app['config']['GA_MEASUREMENT_CONVERSIONS'];
+            //格式：{'controller': 'xx', 'action': 'yy', 'send_to': 'zzz'}
+            foreach ($conversions as $item) {
+                if (FSC::$app['controller'] == $item['controller'] && FSC::$app['action'] == $item['action']) {
+                    gacode .= <<<eof
+
+  gtag('event', 'conversion', {'send_to': '{$item['send_to']}'});
+eof;
+                    break;
+                }
+            }
+
+        }
+
         $gacode .= <<<eof
 </script>
 eof;