add config for qr image

conf/app.php

@@ -57,6 +57,8 @@ $configs = array(
     'enableSmallImage' => true,             //列表页面是否开启缩略图，true 为显示缩略图，false 则显示原图
     'enableSmallImageForWan' => false,      //外网使用时，点击图片打开fancybox时是否显示缩略图：true 显示缩略图， false 则显示原图
 
+    'showQRImageInFooter' => true,          //在网页底部显示当前网址二维码
+
     /*
     //视频皮肤配置
     'videoblog' => array(

themes/beauty/views/layout/main.php

@@ -32,10 +32,12 @@ require_once __DIR__ . '/../../../../plugins/Html.php';
 
         <!-- 尾部网站信息 -->
         <footer class="web_info vercenter">
+            <?php if (!empty(FSC::$app['config']['showQRImageInFooter']) && FSC::$app['config']['showQRImageInFooter'] !== 'false') { ?>
             <div class="qrcode text-center">
                 <p>用手机扫码打开</p>
                 <div id="qrimg"></div>
             </div>
+            <?php } ?>
             <p class="copyright">
                 <?php
                 if (!empty($viewData['copyright'])) {

themes/beauty/views/layout/player.php

@@ -29,10 +29,12 @@ require_once __DIR__ . '/../../../../plugins/Html.php';
 
         <!-- 尾部网站信息 -->
         <footer class="web_info vercenter">
+            <?php if (!empty(FSC::$app['config']['showQRImageInFooter']) && FSC::$app['config']['showQRImageInFooter'] !== 'false') { ?>
             <div class="qrcode text-center">
                 <p>用手机扫码打开</p>
                 <div id="qrimg"></div>
             </div>
+            <?php } ?>
             <p class="copyright">
                 <?php
                 if (!empty($viewData['copyright'])) {