*听我说完,我知道这听起来有点长,我讨厌听起来像这样,但我已经4天没有睡觉了,这是我应该上学的项目的一部分,所以我真的很感激在这个<代码>E29上任何输入*
你好,我是Django的新手,但尽管如此,我一直在youtube和Django文档上跳来跳去,试图弥补这一点。我已经创建了polls应用程序,也在创建其他几个应用程序,但两次当我几乎完成时,它们都变成了空白,我不得不从头开始。在这一点上,我已经厌倦了Django,但我愿意继续,因为我真的讨厌放弃。
无论如何,这不是这个问题的内容(尽管如果你能帮助我的应用程序重新启动和运行,那就太好了!)我将在下面放一个链接)。
在我最近的应用程序崩溃后,我试图学习如何做一个登录页面。我启动了另一个名为accounts的应用程序,它将专门用于登录/注销/注册。然而,到目前为止,事情并没有很好地发展。
我开始在youtube上学习一个教程,但后来有一大堆我无法摆脱的错误,不得不处理缩进和其他东西。所以我用另一个教程开始了我的应用程序,这个教程就在这里:https://www.youtube.com/watch?v=BIgVhBBm6zI
我试着忽略这段视频的错误(我的输入字段没有显示),并尝试进入下一个错误,这是登录页面背后的逻辑。然而,我知道还有一个错误。现在,错误消息不起作用,每当我单击submit时,什么都不会发生。页面基本上就会刷新。我知道我还没有深入到注册部分,这将允许我实际登录,但我预计会有某种错误消息告诉我,我没有帐户或其他什么。
对于我的输入域,我已经尝试了几种方法(包括这个post),但都不起作用。唯一可以远程实现的是,要么手动将字段放入Html (我知道我不应该这样做),要么将form.html链接到表单模板,该模板只检查用户是否在字段中输入内容(这也不起作用)。
这是我的代码的样子,如果你还在阅读这篇文章,非常感谢你到目前为止对我的容忍。(还请注意,注释掉的部分是我以前尝试过的东西)
views.py
from django.contrib.auth import (
authenticate,
get_user_model,
login,
logout,
)
from django.shortcuts import render
from django.http import HttpResponse,HttpResponseRedirect
from .forms import UserLoginForm
# Create your views here.
def login_view(request):
title = "Login"
form = UserLoginForm(request.POST or None)
if form.is_valid():
username = form.cleaned_data.get("username")
password = form.cleaned_data.get('password')
return render(request, "accounts/form.html", {"form":form, "title": title})
# def authentication(request):
# if request.method == 'POST':
# title = "Login"
# form = UserLoginForm(request.POST)
# if form.is_valid():
# cd = form.cleaned_data
# user = authenticate(username=cd['username'],
# password=cd['password'])
# if user is not None:
# if user.is_active:
# login(request, user)
# #return HttpResponse('Authenticated ' \
# # 'successfully')
# return HttpResponseRedirect('accounts/home.html/')
# else:
# return HttpResponse('Disabled account')
# else:
# return HttpResponse('Invalid login')
# else:
# form = UserLoginForm()
# return render(request, 'accounts/form.html', {'form': form})
def register_view(request):
return render(request,"accounts/form.html",{})
def logout_view(request):
return render(request,"accounts/form.html",{})
forms.py
from django import forms
from django.contrib.auth import (
authenticate,
get_user_model,
login,
logout,
)
User = get_user_model()
class UserLoginForm(forms.Form):
username = forms.CharField()
password = forms.CharField(widget=forms.PasswordInput)
class Meta:
model = User
fields = ('username', 'email', 'password')
def clean(self,*args,**kwargs):
username = self.cleaned_data.get("username")
password = self.cleaned_data.get("password")
user = authenticate(username=username,password=password)
if not user:
raise forms.ValidationError("This user does not exist")
if not user.check_password(password):
raise forms.ValidationError("Incorrect Password")
if not user.is_active:
raise forms.ValidationError("This user is no longer active.")
return super(UserLoginForm, self).clean(*args,**kwargs)
form.html
{% extends 'accounts/base.html' %}
{% block main_content %}
<div class="container">
<h2 class="form-signin-heading">{{ title }}</h2>
<form method='POST' action='' enctype='multipart/form-data' class="form-signin">
{% csrf_token %}
<!--{% include 'accounts/form-template.html' %}-->
<h2 class="h3 mb-3 font-weight-normal">Please sign in</h2>
<label for="username" class="sr-only">Username</label>
<input type="username" id="username" class="form-control" placeholder="Username" required autofocus>
<label for="inputPassword" class="sr-only">Password</label>
<input type="password" id="inputPassword" class="form-control" placeholder="Password" required>
<button class="btn btn-lg btn-primary btn-block" type="submit" value="{{ title }}">Sign In</button>
</form>
</div>
<!--<div class='col-sm-6 col-sm-offset-3'>-->
<!-- <h1>{{ title }}</h1>-->
<!-- <form method='POST' action='' enctype='multipart/form-data'>{% csrf_token %}-->
<!-- <input type='submit' class='btn btn-default' value='{{ title }}' />-->
<!-- </form>-->
<!--</div>-->
{% endblock %}
form-template.html
{% for field in form %}
<div class="form-group">
<div class="col-sm-12">
<span class="text-danger small">{{ field.errors }}</span>
</div>
<label class="control-label col-sm-2">{{ field.label_tag }}</label>
<div class="col-sm-10">{{ field }}</div>
</div>
{% endfor%}
base.html
{% load staticfiles %}
<!DOCTYPE html>
<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">
<title>Accounts</title>
<link rel="stylesheet" type="text/css" href="{% static 'accounts/bootstrap-3.3.7-dist/css/bootstrap.min.css' %}" />
<link rel="stylesheet" type="text/css" href="{% static 'accounts/signin.css' %}" />
<link rel="stylesheet" type="text/css" href="{% static 'accounts/style.css' %}" />
</head>
<body>
<div class="jumbotron">
<div class="container">
{% block main_content %}
{% endblock %}
</div>
</div>
</body>
</html>
settings.py (重要比特的小预览)
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(BASE_DIR, 'templates')],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
]
INSTALLED_APPS = [
'accounts',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',]
urls.py (适用于我的网站而不是应用程序)
from django.conf.urls import url, include
from django.contrib import admin
from accounts.views import (login_view, register_view, logout_view)
urlpatterns = [
url(r'^admin/', admin.site.urls),
url(r'^login/', login_view, name='login'),
# url(r'^login/', authentication, name='authentication'),
]
我的网站图片:
This is me manually putting in the fields
This is when I include the form template
如图所示,一切都关闭了,我不想再重新启动,因为根本没有足够的时间,我会导致课程不及格。
已更新基本
{% load staticfiles %}
<!DOCTYPE html>
<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">
<title>Accounts</title>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link rel="stylesheet" type="text/css" href="{% static 'accounts/signin.css' %}" />
</head>
<body>
<div class="jumbotron">
<div class="container">
{% block main_content %}
{% endblock %}
</div>
</div>
</body>
</html>
https://stackoverflow.com/questions/50627516
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