ArticleAuthorController获取文章作者信息

1. getAuthor方法

• 参数：author_id作者id
  client_type客户端类型

• 方法解释：根据作者id和客户端类型获得作者详细信息

• 实现逻辑：

  1.进入ArticleAuthorController.getAuthor方法，直接调用sns.getArticeAuthor服务

  2.对参数author_id进行非空和是否大于0校验

  3.根据author_id查询表yh_guang.author得到对象author，如果为空抛出作者不存在异常。 对象author中包含元素：uid作者id，username作者名，avatar头像，authorDesc作者简介，createTime创建时间

  4.根据author封装对象ArticleAuthorRspBO，然后返回

• 示例： 请求：http://localhost:8080/gateway/guang/service/*/article/getArticleByBrand?brand_id=3&client_type=h5&udid=8168296&limit=1&debug=XYZ

返回：{"alg":"SALT_MD5","code":200,"data":[{"cover_image_type":"1","id":"34182","intro":"乌拉拉","like":{"count":"0","isLiked":false},"praise_num":"0","publish_time":"5月9日 09:47","share_url":{"url":"http://guang.m.yohobuy.com/info/index?id=34182"},"src":"http://img13.static.yhbimg.com/article/2016/05/09/09/02892d24292d7a90741f4224ade8f089a9.jpg?imageView/{mode}/w/{width}/h/{height}","title":"添加商品显示问题-汪康","url":"http://guang.m.yohobuy.com/info/index?id=34182","views_num":"479"},{"cover_image_type":"1","id":"34180","intro":"21","like":{"count":"0","isLiked":false},"praise_num":"0","publish_time":"5月7日 17:24","share_url":{"url":"http://guang.m.yohobuy.com/info/index?id=34180"},"src":"http://img10.static.yhbimg.com/article/2016/05/07/17/01f33bd9eb84f3336b7a8ddf7c25f0c8e2.png?imageView/{mode}/w/{width}/h/{height}","title":"测试多图","url":"http://guang.m.yohobuy.com/info/index?id=34180","views_num":"240"},{"cover_image_type":"2","id":"34178","intro":"据台湾“中央社”5月6日报道，民进党籍“立委”许智杰6日透露称，有台湾学生到土耳其做交换学生，拿到的居留证资料的“国籍栏”被注明为“中华人民共和国”;台当局涉外部门表示，","like":{"count":"0","isLiked":false},"praise_num":"0","publish_time":"5月7日 15:55","share_url":{"url":"http://guang.m.yohobuy.com/info/index?id=34178"},"src":"http://img11.static.yhbimg.com/article/2016/05/07/15/01bf2eb0977644d52b1ba040cf41269c5f.png?imageView/{mode}/w/{width}/h/{height}","title":"土耳其将台湾交换生国籍写中华人民共和国","url":"http://news.sohu.com/20160506/n448054944.shtml?=306984407","views_num":"6"}],"md5":"0dd574c41ce8ea8779a7c218c920c5e4","message":"get article by brand success"}