前台视图 ``` @bp.route('/') def index(): banners = BannerModel.query.order_by(BannerModel.priority.desc(),BannerModel.create_time.desc()).limit(4) context = { "banners":banners, } return render_template("front/index.html",**context) ``` 轮播图动态获取数据 ``` <!-- 轮播图 --> <div class="carousel-inner" role="listbox"> {% for banner in banners %} {% if loop.first %} <div class="item active"> {% else %} <div class="item"> {% endif %} <a href="{{ banner.link_url }}"> <img src="{{ banner.image_url }}" alt="..."> </a> </div> {% endfor %} </div> ```