Format date string using date: "%Y-%m-%d"

Signed-off-by: Jiang Xin <[email protected]>

Author: jiangxin

_layouts/post.html

@@ -2,7 +2,7 @@
 layout: master
 ---
 <div class='post'>
-  <span class='date'>{{page.date | date_to_string}}</span>
+  <span class='date'>{{page.date | date: "%Y-%m-%d"}}</span>
   <h1><a href='{{page.url}}'>{{page.title}}</a></h1>
   <div class='body'>{{ content }}</div>
 </div>
@@ -13,7 +13,7 @@ <h3>Related Posts</h3>
     {% for post in site.related_posts limit:3 %}
       <tr>
         <th><a href='{{ post.url }}'>{{ post.title }}</a></th>
-        <td>{{ post.date | date_to_string }}</td>
+        <td>{{ post.date | date: "%Y-%m-%d"}}</td>
         <td><a href='{{post.url}}#disqus_thread'>Comments</a></td>
       </tr>
     {% endfor %}

blog.html

@@ -9,7 +9,7 @@
 {% for post in site.posts %}
   {% if forloop.index < page.full_posts %}
   <div class='post'>
-    <span class='date'>{{post.date | date_to_string}}</span>
+    <span class='date'>{{post.date | date: "%Y-%m-%d"}}</span>
     <h1><a href='{{post.url}}'>{{post.title}}</a></h1>
     <div class='body'>{{post.content}}</div>
     <a href='{{post.url}}#disqus_thread'>View Comments</a>
@@ -21,7 +21,7 @@ <h3>更多博客</h3>
     {% endif %}
     <tr>
       <th><a href='{{ post.url }}'>{{ post.title }}</a></th>
-      <td>{{ post.date | date_to_string }}</td>
+      <td>{{ post.date | date: "%Y-%m-%d"}}</td>
       <td><a href='{{post.url}}#disqus_thread'>Comments</a></td>
     </tr>
   {% endif %}

index.html

@@ -11,7 +11,7 @@ <h2><a href='atom.xml' class='float-right'
 
 {% for post in site.posts limit:page.full_posts %}
   <div class='post'>
-    <span class='date'>{{post.date | date_to_string}}</span>
+    <span class='date'>{{post.date | date: "%Y-%m-%d"}}</span>
     <h1><a href='{{post.url}}'>{{post.title}}</a></h1>
     <div class='body'>{{post.content}}</div>
     <a href='{{post.url}}#disqus_thread'>View Comments</a>