修改作者

+# 修改作者
+
+> 接口名： `/guang/author/updateAuthor
+
+### 方法
+
+> POST
+
+### 入参
+-------------------------
+|属性名称|类型|例子|说明| 
+|--------|----|----|----|
+|id|Integer|1|主键|
+|username|String|路遥|名称|
+|authorDesc|String|平凡世界。。。|描述|
+|avatar|String|http://img12.static.yhbimg.com/yhb-img02/2015/06/12/14/0220208c13de341448647b7eead758d592.jpg?imageView/{mode}/w/{width}/h/{height}|用户头像|
+---------------------
+
+
+### 对应SQL的操作库表
+
+```
+    <update id="updateByPrimaryKeySelective" parameterType="com.yohobuy.platform.dal.guang.model.Author" >
+        update author
+        <set >
+          <if test="username != null" >
+            username = #{username,jdbcType=VARCHAR},
+          </if>
+          <if test="avatar != null" >
+            avatar = #{avatar,jdbcType=VARCHAR},
+          </if>
+          <if test="authorDesc != null" >
+            author_desc = #{authorDesc,jdbcType=VARCHAR},
+          </if>
+          <if test="createTime != null" >
+            create_time = #{createTime,jdbcType=INTEGER},
+          </if>
+        </set>
+        where uid = #{uid,jdbcType=INTEGER}
+    </update>
+```
+
+### 错误编码
+
+-------------------------
+|错误码code|消息|说明|
+|--------|----|----|
+|200|修改成功| |
+|400|修改失败| |
+
+
+### 返回
+
+``` json
+{
+    "code": "200",
+    "message":"修改成功"
+}
+
+```