feat(comment): Valine Support (#155)

Closes #95

exampleSite/config.toml

@@ -142,6 +142,19 @@ copyright = ""            # default: author.name ↓        # 默认为下面配
     clientId = ""           # Your client ID
     clientSecret = ""       # Your client secret
 
+  # Valine.
+  # You can get your appid and appkey from https://leancloud.cn
+  # more info please open https://valine.js.org
+  [params.valine]
+    enable = false
+    appId = '你的appId'
+    appKey = '你的appKey'
+    notify = false  # mail notifier , https://github.com/xCss/Valine/wiki
+    verify = false # Verification code
+    avatar = 'mm' 
+    placeholder = '说点什么吧...'
+    visitor = false
+
   [params.flowchartDiagrams]# see https://blog.olowolo.com/example-site/post/js-flowchart-diagrams/
     enable = false
     options = ""

layouts/partials/comments.html

@@ -95,5 +95,32 @@
     </script>
     <noscript>Please enable JavaScript to view the <a href="https://github.com/gitalk/gitalk">comments powered by gitalk.</a></noscript>
   {{- end }}
+  
+  <!-- valine -->
+  {{- if .Site.Params.valine.enable -}}
+  <!-- id 将作为查询条件 -->
+    {{- if .Site.Params.valine.visitor -}}
+	  <span id="{{ .URL | relURL }}" class="leancloud_visitors" data-flag-title="{{ .Title }}">
+		<span class="post-meta-item-text">文章阅读量 </span>
+		<span class="leancloud-visitors-count">0</span>
+		<p></p>
+	  </span>
+    {{- end }}
+  <div id="vcomments"></div>
+  <script src="//cdn1.lncld.net/static/js/3.0.4/av-min.js"></script>
+  <script src='//unpkg.com/valine/dist/Valine.min.js'></script>
+  <script type="text/javascript">
+    new Valine({
+        el: '#vcomments' ,
+        appId: '{{ .Site.Params.valine.appId }}',
+        appKey: '{{ .Site.Params.valine.appKey }}',
+        notify: {{ .Site.Params.valine.notify }}, 
+        verify: {{ .Site.Params.valine.verify }}, 
+        avatar:'{{ .Site.Params.valine.avatar }}', 
+        placeholder: '{{ .Site.Params.valine.placeholder }}',
+        visitor: {{ .Site.Params.valine.visitor }}
+    });
+  </script>
+  {{- end }}
 
 {{- end }}