#1 update api readme

README.md

@@ -112,22 +112,74 @@
         }
   ```
 
-5  follow 用户：POST http://localhost:3000/api/v1/users/2/follow  
+5  关注follow 用户：POST http://localhost:3000/api/v1/users/2/follow  
 
-6  unfollow 用户： POST: http://localhost:3000/api/v1/users/2/unfollow
+6  取消关注unfollow 用户： POST: http://localhost:3000/api/v1/users/2/unfollow
     
-7  like post POST: http://localhost:3000/api/v1/posts/3/like
+7  喜欢 post POST: http://localhost:3000/api/v1/posts/3/like
+    
+  - 返回结果  
+  ``` json
+  {
+    "msg": "done",
+    "likes_count": 1
+  }
+  ```
   
-8  unlike post POST: http://localhost:3000/api/v1/posts/3/unlike
+8  取消喜欢 post POST: http://localhost:3000/api/v1/posts/3/unlike
 
-9  create comment POST: http://localhost:3000/api/v1/posts/1/comments
+9  创建评论 POST: http://localhost:3000/api/v1/posts/1/comments
 
-10  comment list GET http://localhost:3000/api/v1/posts/1/comments
+  - 参数 
+    *  content
+  - 返回结果    
+    ``` json
+    {
+      "msg": "done",
+      "comments_count": 3
+    }
+    ```
 
-11  like comment: POST http://localhost:3000/api/v1/posts/1/comments/1/like
+10  评论列表 GET http://localhost:3000/api/v1/posts/1/comments   
 
-12  unlike comment: POST http://localhost:3000/api/v1/posts/1/comments/1/unlike
+  - 返回结果：
+  ``` json
+  [
+    {
+      "content": "这篇文章写得很深入，很好",
+      "likes_count": 0,
+      "user": "test",
+      "time": "2015-08-12T22:00:27.556+08:00"
+    },
+    {
+      "content": "太长了，不太好读",
+      "likes_count": 1,
+      "user": "test",
+      "time": "2015-08-12T22:00:42.356+08:00"
+    },
+    {
+      "content": "太长了，不太好读",
+      "likes_count": 0,
+      "user": "test",
+      "time": "2015-08-16T22:48:39.099+08:00"
+    }
+  ]
+  ```
+
+11  喜欢评论 comment: POST http://localhost:3000/api/v1/posts/1/comments/1/like
+    
+  - 返回结果：   
+  ```json
+  {
+    "msg": "done",
+    "likes_count": 1
+  }
+  ```
+    
+12  取消喜欢评论 comment: POST http://localhost:3000/api/v1/posts/1/comments/1/unlike
  
 #### 注意
  * 注意，API返回结果中的token是利用JWT 技术加密的token,密钥是每个用户的email
  * [jwt](http://jwt.io/)
+ * 通常执行创建（POST） 操作时，如果没有返回结果，仅仅返回200，也是成功的表示， 当返回400时即为失败
+