所以，我一直在尝试创建用户登录。当我单击登录表单上的“提交”时，出现以下错误:
Exception Type: TypeError
Exception Value: 'function' object is not iterable
这是完整的回溯:http://dpaste.com/3D1B7MG
因此，如果我正确读取回溯，则问题出在 all_poss.html 的 {% extends "base.html"%} 行中。那么这是否意味着问题实际上出在base.html 内部？或者在控制 all_posts 的 View 中？
我的 all_posts.html
{% extends "base.html" %}
{% load staticfiles %}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style></style>
<title></title>
</head>
<body>
</body>
</html>
base.html
{% load staticfiles %}
{% load crispy_forms_tags %}
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<HTML>
<HEAD>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css">
<link rel="stylesheet" href="{% static 'css/base.css' %}">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="assets/css/bootstrap-responsive.css" rel="stylesheet">
<TITLE>{% block title %}{% endblock %}</TITLE>
</HEAD>
<BODY>
{% block content %}
<div class="navbar-wrapper">
<div class="post_button" style="width:58px; margin:0 auto;">
<a href="#" class="btn btn-custom blue">Submit a Post</a>
</div> <!-- /.post_button-->
<div class="log_bar">
<ul>
{% if user.is_authenticated %}
<li>Welcome,</li>
<li><a href="{% url 'profile' %}">{{ user.username }}</a></li>
<li>|</li>
<li><a href="{% url 'logout' %}">Log Out</a></li>
{% else %}
<li>Please</li>
<li><a data-toggle="modal" data-target="#modal-login" href="">log in</a></li>
<li>or</li>
<li><a data-toggle="modal" data-target="#modal-register" href="">sign up</a></li>
{% endif %}
</ul>
</div><!-- /.log_bar -->
<nav class="navbar navbar-fixed-left navbar-static-top">
<div class="container-fluid">
<!-- Collect the nav links, forms, and other content for toggling -->
<ul class="nav navbar-nav ">
<li class="active"><a href="/">Home <span class="sr-only">(current)</span></a></li>
<li><a href="">All</a></li>
<li><a href="">New</a></li
<li class="dropdown">
<a href="" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Top<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="">hour</a></li>
<li><a href="">24 hrs</a></li>
<li><a href="">week</a></li>
<li><a href="">month</a></li>
<li><a href="">year</a></li>
<li><a href="">beginning of time</a></li>
<li role="separator" class="divider"></li>
<li><a href="">Custom Search</a></li>
</ul>
</li>
</ul>
</div><!-- /.container-fluid -->
</nav>
<div id="side_bar">
<form class="navbar-form navbar-static-top navbar-right" role="search" id="navBarSearchForm">
<div class="input-group">
<input type="text" class="form-control" placeholder="Search">
<span class="input-group-btn">
<button type="submit" class="btn btn-default" id="search_btn">
<span class="glyphicon glyphicon-search"></span>
</button>
</span>
</div>
</form>
</div><!-- /.side-bar -->
<button class="btn-block" id='hideshow' value='hide/show' style="display: block; height: 100%;"></button>
{% include 'register.html' %}
{% include 'login.html' %}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"> </script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"> </script>
<script type="text/javascript" src="{{ STATIC_URL }} /static/jquery.js"></script>
<script type="text/javascript" src="{{ STATIC_URL }} /static/jquery.leanModal.js"></script>
{% endblock %}
</BODY>
</HTML>
View .py
def login(request):
"""
Log in view
"""
if request.method == 'POST':
form = AuthenticationForm(data=request.POST)
if form.is_valid():
user = authenticate(username=request.POST['username'], password=request.POST['password'])
if user is not None:
if user.is_active:
django_login(request, user)
return render(request, 'all_posts.html', {'user': request.user})
else:
form = AuthenticationForm()
return render_to_response('login.html', {
'authenticationform': form,
}, context_instance=RequestContext(request))
def all_posts(request):
post_list = TextPost.objects.all().order_by('-score'))
paginator = Paginator(post_list, 100) # Show 100 contacts per page
registrationform = RegistrationForm(request.POST or None)
authenticationform = AuthenticationForm(request.POST or None)
page = request.GET.get('page')
try:
posts = paginator.page(page)
except PageNotAnInteger:
# If page is not an integer, deliver first page.
posts = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
posts = paginator.page(paginator.num_pages)
return render(request, 'all_posts.html', {'posts': posts, 'registrationform': registrationform, 'authenticationform': authenticationform, 'user': request.user})
编辑 1:login.html login.html 和 register.html 是相同的模式，一个带有登录表单，另一个带有注册表单。
{% load staticfiles %}
{% load crispy_forms_tags %}
<div class="modal" id="modal-login">
<div class="modal-dialog">
<div class="modal-content">
<form enctype="multipart/form-data" method="post" action="login/">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h3 class="modal-title">Log In</h3>
</div>
<div class="modal-body">
{% csrf_token %}
{{ authenticationform|crispy }}
</div>
<div class="modal-footer">
<input type='submit' class="btn btn-primary" value="Log In" />
</div>
</form>
</div>
</div>
</div>
编辑2:register.html
{% load staticfiles %}
{% load crispy_forms_tags %}
<div class="modal" id="modal-register">
<div class="modal-dialog">
<div class="modal-content">
<form enctype="multipart/form-data" method="post" action="register/">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h3 class="modal-title">Register</h3>
</div>
<div class="modal-body">
{% csrf_token %}
{{ registrationform|crispy }}
</div>
<div class="modal-footer">
<input type='submit' class="btn btn-primary" value="Register" />
</div>
</form>
</div>
</div>
</div>
最佳答案
好吧，我已经解决了。
问题显然出在我的 base.html 中:
<li><a href="{% url 'profile' %}">{{ user.username }}</a></li>
和
<li><a href="{% url 'logout' %}">Log Out</a></li>
我刚刚将 href="{% %}" 标签更改为 "profile/" 和 "logout/" 分别。
关于python - Django - 'function' 对象不可迭代 - 模板渲染期间出错，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/38470553/