我正在用Django创建一个简单的照片组合网站。我在这个项目中的“应用程序”被称为“photoViewer”。“photoViewer/photos/”显示一个照片列表,包括每张照片的缩略图、日期和标题。我想在此视图中添加按日期排序和按标题排序功能。在
为此,我添加了几个按钮,并考虑将用户重定向回照片列表视图,但在url后面附加一个附加字符串:“date_desc”或“title_desc”(即“photoViewer/photos/order_desc”或“photoViewer/photos/title_desc”)。然后我在我的“photoViewer”中添加了另一个url模式/网址.py“尝试为筛选器类型捕获此附加字符串。我希望把这根绳子从我的网址.py到中的my photoIndex类视图视图.py. 类视图将检查这个过滤器类型字符串,并执行正确的逻辑,以便根据日期或标题进行相应的排序。在
我的问题:1。如何在中引用并检查附加到photoIndexView()类中照片列表视图url的“捕获”过滤器类型字符串视图.py. 2如何将此字符串传递到我的photoIndex模板.html(或者甚至不需要这样做,因为业务逻辑应该在视图.py而不是模板文件)
照片查看器/网址.py:
from django.conf.urls import patterns, include, url
from photoViewer import views
# map url to view using a URLconf
urlpatterns = patterns('',
url(r'^$', views.PhotoIndexView.as_view(), name='photo_index'),
url(r'^about/', views.PhotoViewerAboutView.as_view()),
#My attempt below to capture any string w/o number as last param
#route for photo list view w/ potential filter type string passed
url(r'^photos/(?P<filter_type>[^\d+]*)$', views.PhotoIndexView.as_view(), name='photo_index'),
#my route for photo detail view
url(r'^photos/(?P<pk>\d+)/$', views.PhotoDetailView.as_view(), name='photo_detail'),
...
)
照片查看器/视图.py:
^{pr2}$photoViewer/模板/photoViewer/照片_索引.html
{% extends 'base.html' %}
{% block title %}Photo Index{% endblock %}
{% block contents %}
<h1>Photo Index</h1>
<br>
<button id="sortBtn" type="button" class="btn btn-default">
Date Taken: <span class="glyphicon glyphicon-sort" aria-hidden="true"> </span>
</button>
<br />
{% if latest_photo_list %}
{% for photo in latest_photo_list %}
<div class="container-fluid">
<div class="row">
<!-- Total Column width of 12 -->
<div id = "per-pic" class="col-xs-12 col-md-6">
<a href="{% url 'photoViewer:photo_detail' photo.id %}">
<img src="/media/{{ photo.photo_img }}" class="img-thumbnail" width="100%" height="100%" />
</a>
<li>
<span class="label label-primary">{{ photo.photo_title }}</span>
<span class="label label-info">{{ photo.date_taken }}</span>
</li>
</div>
</div>
</div>
<br>
{% endfor %}
{% else %}
<p>No Photos are available.</p>
{% endif %}
<script type="text/javascript">
var sortButton = document.getElementById("sortBtn");
sortButton.onclick = function () {
//append Filter type as string to URL?
location.href = "date_asc";
};
// sortButton.addEventListener("click", redirectSortBtn, false);
</script>
{% endblock %}
photoViewer/模板/photoViewer/基本.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<meta name="description" content="">
<meta name="author" content="">
<link rel="icon" href="../../favicon.ico">
<title>{% block title %}My amazing site{% endblock %}</title>
<!-- Bootstrap core CSS -->
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap-theme.min.css">
<!-- Just for debugging purposes. Don't actually copy these 2 lines! -->
<!--[if lt IE 9]><script src="../../assets/js/ie8-responsive-file-warning.js"></script><![endif]-->
<script src="../../assets/js/ie-emulation-modes-warning.js"></script>
<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
<!--Personal Custom CSS-->
<link href="/static/css/personal.css" rel="stylesheet">
</head>
<body>
<nav class="navbar">
<div class="container">
<ul class="pager" id = "nav_bar">
<li><a href="/photoViewer/about">About</a></li>
<li><a href="/photoViewer/photos/">Stream</a></li>
</ul>
</div><!--/.navbar-collapse -->
</nav>
<div class="jumbotron">
{% block contents %}
{% endblock %}
</div>
<hr>
<footer>
<p>© Company 2014</p>
</footer>
</div> <!-- /container -->
<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<!-- IE10 viewport hack for Surface/desktop Windows 8 bug -->
<script src="/static/js/ie10-viewport-bug-workaround.js"></script>
</body>
</html>
可以使用
self.args
或self.kwargs
获取URL参数。要更改queryset覆盖self.get_queryset
。将其他变量传递到模板重写self.get_context_data
。 例如:视图.py
您可以修改
^{pr2}$get_queryset
以减少类型,如下所示另外,我建议更改
urls.py
,类似这样的内容网址.py
变成
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