获取新闻列表

        :param page: 页码
        :return: json

def get_wyu_news(self, page):
        """获取新闻列表

        :param page: 页码
        :return: json
        """
        if page <= 0:
            return []
        res = WyuNews.__wyu_news(page)
        soup = BeautifulSoup(res, from_encoding='utf-8')
        tag_a = soup.find_all(self.__get_tag_a)
        tag_td = soup.find_all(self.__get_tag_td)
        result = []

        for index, item in enumerate(tag_a):
            result.append({
                'url': ''.join(('http://www.wyu.cn/news/', item.attrs['href']))
                , 'title': item.string
                , 'type': self.__get_news_type(tag_td[index])
                , 'from': self.__get_news_from(tag_td[index])
                , 'posttime': self.__get_news_posttime(tag_td[index])
            })
        return result