这是view.py的索引函数
def index(request):
logger_user_id = None
if 'id' in request.session:
request.user.is_active = True
logger_user_id = request.session['id']
print(logger_user_id)
posts = Post.objects.all()
all_users = User.objects.all();
author_name = {}
for e in posts:
author_name[e.id] = get_object_or_404(User, id=e.user_id).username
e.likes_count = Likes.objects.filter(post_id=e.id).count()
try:
post_logger_like = Likes.objects.get(user_id=logger_user_id, post_id=e.id)
e.logger_like = 1
except Likes.DoesNotExist:
e.logger_like = None
recent_liker = Likes.objects.filter(post_id=e.id).exclude(user_id=logger_user_id).order_by('-liked_date')[:2]
e.liker_count = recent_liker.count();
if (e.liker_count == 2):
e.postliker1 = get_object_or_404(User, id=recent_liker[e.liker_count - 2].user_id).username
e.postliker2 = get_object_or_404(User, id=recent_liker[e.liker_count - 1].user_id).username
if (e.liker_count == 1):
e.postliker1 = get_object_or_404(User, id=recent_liker[e.liker_count - 1].user_id).username
for e in posts:
print(e.liker_count)
all_comments = Comment.objects.all()
commentor_names = {}
for e in all_comments:
commentor_names[e.id] = get_object_or_404(User, id=e.user_id).username
all_replies = Reply.objects.all()
replier_names = {}
for e in all_replies:
replier_names[e.id] = get_object_or_404(User, id=e.user_id).username
if (logger_user_id is not None):
#return HttpResponse("<h1> hello user "+str(logger_user_id)+"</h1>")
return render(request, 'mysite/_index.html',
{'posts': posts, 'replies': all_replies, 'comments': all_comments, 'author_name': author_name,
'commentor_names': commentor_names, 'replier_names': replier_names,
'logger_user_id': logger_user_id})
else:
return render(request, 'mysite/_index.html',
{'posts': posts, 'replies': all_replies, 'comments': all_comments, 'author_name': author_name,
'commentor_names': commentor_names, 'replier_names': replier_names, })
我是python中的新手我在最近的django项目中遇到错误，即“反向'索引'，参数'（）'和关键字参数'{}'找不到。0模式尝试：[] “这个错误是什么意思..请解释错误。这个错误对我来说并不清楚。
我使用django 1.10.3和MySql作为我的后端[浏览器出错
高级谢谢。
{% load staticfiles %}
<html>
<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 -->
<link rel="icon favicon" href="img/logo.png">
<link rel="stylesheet" type="text/css" href="{% static 'mysite/css/demo.css' %}" />
<link rel="stylesheet" type="text/css" href="{% static 'mysite/css/style2.css' %}" />
<link href="{% static 'mysite/css/font.css' %}" rel='stylesheet' type='text/css'>
<noscript>
<link rel="stylesheet" type="text/css" href="{% static 'mysite/css/nojs.css' %}" />
</noscript>
<script src="{% static 'mysite/js/jquery.min.js' %}"></script>
<!-- Bootstrap -->
<!--<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">-->
<link href="{% static 'mysite/css/style.css' %}" rel="stylesheet">
<link href="{% static 'mysite/css/normalize.css' %}" rel="stylesheet">
<link href="{% static 'mysite/css/google_font.css' %}" rel="stylesheet">
<link href="{% static 'mysite/css/font-awesome.min.css' %}" rel="stylesheet">
<link href="{% static 'mysite/css/animate.min.css' %}" rel="stylesheet">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="{% static 'mysite/js/jquery.nicescroll.min.js' %}"></script>
<script src="{% static 'mysite/js/jquery.easing.1.3.js' %}"></script>
</head>
<body>
<div class="header">
<img src="{% static 'mysite/img/top.png' %}" class="img-responsive">
</div>
<div class="wrapper">
<div class="row-offcanvas row-offcanvas-left">
<!-- main right col -->
<!--<div class="column col-sm-12 col-xs-12" id="main">-->
<!-- top nav -->
<div id="custom-bootstrap-menu" class="navbar navbar-default " role="navigation">
<div class="container-fluid">
<div class="navbar-header"><a class="navbar-brand" href="#"> </a>
<button type="button" class="navbar-toggle" data-toggle="collapse"
data-target=".navbar-menubuilder"><span class="sr-only">Toggle navigation</span><span
class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span>
</button>
</div>
<div class="collapse navbar-collapse navbar-menubuilder">
<ul class="nav navbar-nav navbar-left">
<li><a href="{% url 'mysite:index' %}"><i class="glyphicon glyphicon-home"></i> Home</a>
</li>
<li><a href="#" id="myBtn"><i class="glyphicon glyphicon-plus"></i> Post</a>
<!-- modal 1 button -->
</li>
</ul>
{% if request.user.is_active %}
<ul class="nav navbar-nav navbar-right">
<li>
<a href="#"><i class="glyphicon glyphicon-home"></i> Home</a>
</li>
<li>
<a href="#" role="button" data-toggle="modal"><i
class="glyphicon glyphicon-plus"></i> New Post</a>
</li>
<li>
<a href="#" role="button" data-toggle="modal"><i
class="glyphicon glyphicon-th"></i> my Posts</a>
</li>
<li>
<a href="#" role="button" data-toggle="modal"><i
class="glyphicon glyphicon-log-out"></i> log-out</a>
</li>
</ul>
{% else %}
<ul class="nav navbar-nav navbar-right">
<li><a href="{% url 'mysite:login' %}">Log In</a>
</li>
<li><a href="{% url 'mysite:register' %}">Register</a>
</li>
<form class="navbar-form navbar-right">
<div class="input-group input-group-sm" style="max-width:350px;">
<input type="text" class="form-control" placeholder="Search" name="srch-term"
id="srch-term">
<div class="input-group-btn">
<button class="btn btn-default" type="submit"><i
class="glyphicon glyphicon-search"></i></button>
</div>
</div>
</form>
</ul>
{% endif %}
</div>
</div>
</div>
<!-- /top nav -->
<!-- __________________________________________________ -->
<!-- Modal -->
<div class="modal fade" id="myModal" role="dialog">
<div class="modal-dialog">
<!-- Modal content-->
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title text-center">Add Your Post Here</h4>
</div>
<div class="modal-body">
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<!-- sidebar -->
<div class="column col-sm-2 col-xs-1 sidebar-offcanvas" id="sidebar">
<ul class="nav">
<li><a href="#" data-toggle="offcanvas" class="visible-xs text-center"><i
class="glyphicon glyphicon-chevron-right"></i></a></li>
</ul>
<ul class="nav hidden-xs" id="lg-menu">
<li class="active"><a href="{% url 'mysite:favourite' %}"><i class="fa fa-star" aria-hidden="true"></i>
Favourite</a></li>
<li><a href="{% url 'mysite:instructions_for_use' %}"><i class="glyphicon glyphicon-list"></i> Instructions for use</a></li>
<li><a href="{% url 'mysite:copyrights' %}"><i class="glyphicon glyphicon-list"></i> Copyrights</a></li>
<li><a href="{% url 'mysite:privacy_policy' %}"><i class="glyphicon glyphicon-list"></i> Privacy Policy</a></li>
<li><a href="{% url 'mysite:about_us' %}"><i class="glyphicon glyphicon-list"></i> About Us</a></li>
<li><a href="#"><i class="glyphicon glyphicon-paperclip"></i> Saved</a></li>
<li><a href="#"><i class="glyphicon glyphicon-refresh"></i> Refresh</a></li>
</ul>
<!-- tiny only nav-->
<ul class="nav visible-xs" id="xs-menu">
<li><a href="#featured" class="text-center"><i class="glyphicon glyphicon-list-alt"></i></a></li>
<li><a href="#stories" class="text-center"><i class="glyphicon glyphicon-list"></i></a></li>
<li><a href="#" class="text-center"><i class="glyphicon glyphicon-paperclip"></i></a></li>
<li><a href="#" class="text-center"><i class="glyphicon glyphicon-refresh"></i></a></li>
</ul>
</div>
<!-- /sidebar -->
<!-- ------------------------------body of content--------------------------------- -->
<!-- /sidebar -->
<div class="full col-sm-10 col-xs-10">
{% block content %}
{% endblock %}
<!-- -------------------------footer---------------------- -->
<div class="panel panel-default">
<div class="panel-body">
<div class="partner text-center">
<img src="{% static 'img/company-logo.jpg' %}">
</div>
<hr>
<div class="footer">
<p class="text-center">Copyright (cc) 2006-2013 RIKEN BSI Neuroinformatics Japan Center, Some
rights
reserved.</p>
</div>
</div>
</div>
</div>
<!--</div>-->
</div>
</div>
</body>
</html>
] 1
urlpatterns = [
#/mysite/
url(r'^$', views.index, name='index'),
url(r'register/$', views.registration, name='register'),
url(r'login/$', views.login, name='login'),
url(r'^favourite/$', views.favourite, name='favourite'),
url(r'^instructions_for_use/$', views.instructions_for_use, name='instructions_for_use'),
url(r'^copyrights/$', views.copyrights, name='copyrights'),
url(r'^privacy_policy/$', views.privacy_policy, name='privacy_policy'),
url(r'^about_us/$', views.about_us, name='about_us'),
url(r'pubmed_entry/$', views.pubmed_entry, name='pubmed_entry'),
url(r'^like/$', views.like, name="likes"),
]