更新view获取分类，修正了一些模板的错误。

Author: yangxueguang

blog/models.py

@@ -24,7 +24,7 @@ def __str__(self):
         return self.title
 
     class Meta:
-        ordering = ['last_modified_time']
+        ordering = ['-last_modified_time']
 
 
 class Category(models.Model):

blog/static/blog/css/style.css

@@ -538,7 +538,7 @@ a.backToTop:hover {
     width:14px;
     height:13px;
     margin-right: 7px;
-    background:url(img/date.png) no-repeat;
+    background:url(../img/date.png) no-repeat;
 }
 
 

blog/templates/blog/index.html

@@ -4,7 +4,9 @@
         <div id="category-title">
             <ul>
                 <li>分类：</li>
-                <li class="cat-item"><a href="">111</a></li>
+                {% for category in category_list %}
+                    <li class="cat-item"><a href="">{{ category.name }}</a></li>
+                {% endfor %}
             </ul>
         </div>
     </div>
@@ -24,7 +26,7 @@ <h1 class="title"><a href="">{{ article.title }}</a></h1>
                     <div class="post-ft">
                         <a href="" class="more">阅读全文>></a>
                         <i class="icon-date"></i>
-                        <span class="date">{{ article.last_modified_time }}</span>
+                        <span class="date">{{ article.last_modified_time|date:"Y年n月d日" }}</span>
                     </div>
                 </div>
             {% endfor %}

blog/views.py

@@ -14,3 +14,7 @@ def get_queryset(self):
         for article in article_list:
             article.body = markdown2.markdown(article.body, )
         return article_list
+
+    def get_context_data(self, **kwargs):
+        kwargs['category_list'] = Category.objects.all().order_by('name')
+        return super(IndexView, self).get_context_data(**kwargs)