add wx img switch button

themes/tajian/views/site/tajian.php

@@ -39,8 +39,9 @@ if (!empty(FSC::$app['config']['multipleUserUriParse']) && !empty(FSC::$app['use
         <br>&nbsp;&nbsp;&nbsp;&nbsp;用手机号码 + 邀请码（朋友手机号码末6位）<a href="/site/register/" class="loginbtn">注册</a>
         <br class="hidden-xs">
         &nbsp;&nbsp;&nbsp;&nbsp;还可以加客服微信索要注册邀请码
-        <img src="/tajian/wx_jialuoma.jpeg" alt="Ta荐客服微信二维码" width="200" class="kfwx">
-        <br class="hidden-xs">
+        <button class="mt10 bt_kf_JS" type="button" data-hide="隐藏二维码">显示二维码</button>
+        <img src="/tajian/wx_jialuoma.jpeg" alt="Ta荐客服微信二维码" width="200" class="kfwx kf_wx_JS hide">
+        <br>
         2. 用手机号码 <a href="/site/login/" class="loginbtn">登录</a>
         <br class="hidden-xs">
         3. 从各大视频App、网站复制分享链接

www/css/tajian.css

@@ -266,4 +266,5 @@ body.layout_index{background-color:#e5f1f3}
     .tajian_index .h1title small{display:block}
     .tajian_index .kfwx{float:none;width:130px;display:block;margin-left:1em}
     .tajian_index .loginbtn{display:block;width:80%;margin-left:1em;text-align:center}
+    .tajian_index .hide{display:none !important}
 }

www/js/tajian.js

@@ -199,6 +199,12 @@ if ($('.bt_kf_JS').get(0)) {
             $('.bt_kf_JS').text(kf_text);
         }
     });
+
+
+    var win_width = $(window).width();
+    if (win_width > 768 && $('.tajian_index').get(0)) {
+        $('.bt_kf_JS').click();
+    }
 }
 
 })();