feat: add Busuanzi visitor counter to footer

Signed-off-by: wangsimiao1 <wangsimiao1@xiaomi.com>

Author: WangSimiao2000

_includes/footer.html

@@ -28,6 +28,16 @@
     {% endif %}
   </p>
 
+  <p class="busuanzi-stats">
+    <span id="busuanzi_container_site_pv">
+      本站总浏览量 <span id="busuanzi_value_site_pv"><i class="fas fa-spinner fa-spin"></i></span> 次
+    </span>
+    &nbsp;|&nbsp;
+    <span id="busuanzi_container_site_uv">
+      总访客数 <span id="busuanzi_value_site_uv"><i class="fas fa-spinner fa-spin"></i></span> 人
+    </span>
+  </p>
+
   <p>
     {%- capture _platform -%}
       <a href="https://jekyllrb.com" target="_blank" rel="noopener">Jekyll</a>

_includes/head.html

@@ -125,6 +125,9 @@
       ></script>
     {% endif %}
 
+    <!-- Busuanzi visitor counter -->
+    <script async src="https://busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js"></script>
+
     <!-- Web Analytics -->
     {% for analytics in site.analytics %}
       {% capture str %}{{ analytics }}{% endcapture %}

_sass/layout/_footer.scss

@@ -33,4 +33,9 @@ footer {
     text-align: center;
     margin-bottom: 0;
   }
+
+  .busuanzi-stats {
+    font-size: 0.813rem;
+    opacity: 0.75;
+  }
 }