我是Django的新手。我正在尝试使用模板在索引视图中显示来自我的Project模型的数据。我尽力构造类似于民意调查应用程序的该应用程序。我不确定自己在做什么错。我正在使用python 2.7和Django 1.8.6
这是我的网址:
from django.conf.urls import url
from . import views
app_name = 'project'
urlpatterns = [
url(r'^$', views.IndexView.as_view(), name='index'),
url(r'^(?P<pk>[0-9]+)/$', views.DetailView.as_view(), name='detail'),
]
这是我的模特:
import datetime
from django.db import models
from django.utils.encoding import python_2_unicode_compatible
from django.contrib.auth.models import User
from django.utils import timezone
@python_2_unicode_compatible # only if you need to support Python 2
class Contractor(models.Model):
#project
name = models.CharField(max_length=50)
address = models.CharField(max_length=100, blank=True)
phone = models.CharField(max_length=14, blank=True)
city = models.CharField(max_length=60, blank=True)
state = models.CharField(max_length=2, blank=True)
created_by = models.ForeignKey(User, related_name='Contractor_created_by')
created_date = models.DateTimeField()
modified_by = models.ForeignKey(User, related_name='Contractor_modified_by')
modified_date = models.DateTimeField()
def __str__(self):
return self.name
@python_2_unicode_compatible # only if you need to support Python 2
class Project(models.Model):
name = models.CharField(max_length=50)
jobNumber = models.CharField(max_length=8)
shopOut = models.DateTimeField(null=True)
shopIn = models.DateTimeField(null=True)
delivery = models.DateTimeField(null=True)
job1 = models.CharField(max_length=50, null=True)
job2 = models.CharField(max_length=50, null=True)
job3 = models.CharField(max_length=50, null=True)
contractor = models.ForeignKey(Contractor, on_delete=models.CASCADE, default=101)
created_by = models.ForeignKey(User, related_name='Project_created_by')
created_date = models.DateTimeField(auto_now_add=True)
modified_by = models.ForeignKey(User, related_name='Project_modified_by')
modified_date = models.DateTimeField(auto_now=True)
def __str__(self):
return self.name
def save(self, *args, **kwargs):
if not self.id:
self.created_by = User.objects.get(id=1)
self.modified_by = User.objects.get(id=1)
super(Project, self).save(*args, **kwargs)
year = datetime.datetime.now().year
self.jobNumber = '{}{:04d}'.format(year, self.id)
self.modified_by = User.objects.get(id=1)
super(Project, self).save(*args, **kwargs)
这是我的观点:
from django.shortcuts import get_object_or_404, render
from django.http import HttpResponseRedirect
from django.core.urlresolvers import reverse
from django.views import generic
from django.utils import timezone
from .models import Project
# Create your views here.
class IndexView(generic.ListView):
model = Project
template_name = 'project/index.html'
def get_queryset(self):
return Project.objects
class DetailView(generic.DetailView):
model = Project
这是我的模板:
{% load staticfiles %}
<h1>Projects</h1>
<ul>
{% for projects in project.get_queryset %}
in for loop
<!-- <li><a href="{% url 'projects:detail' projects.id %}">{{ projects.name }}</a></li> -->
<li><a href="#">Test</a></li>
{% endfor %}
</ul>
end of list
当我转到页面时,我得到一个h1项目,一个空ul和一行显示“列表结尾”的行
在你get_queryset
,你应该回来Project.objects.all()
。
在您的模板中,您无需这样做project.get_queryset
,该get_queryset
方法会为您调用,并且值会与object_list
和<objectname>_list
一起与其他参数一起传递给模板。在您的情况下,对象是,Project
因此也应该有一个project_list
变量object_list
。
你可以做:
{% for project in project_list %}
<li><a href="{% url 'projects:detail' project.id %}">{{ project.name }}</a></li>
{% endfor %}
或者:
{% for project in object_list %}
<li><a href="{% url 'projects:detail' project.id %}">{{ project.name }}</a></li>
{% endfor %}
您可以在此处了解更多信息:https : //docs.djangoproject.com/en/1.9/ref/class-based-views/generic-display/#listview
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