Python Django NoReverseMatch at/create/
我想创建一个系统。对于这个系统,我需要一个病人创建表单。当我点击按钮时,我可以保存患者,但按下按钮后会出现一个错误页面 找不到具有关键字参数“{slug':'James'}”的“create”的反转。已尝试1个模式:[“创建/$”] (当我填写表单时,我将James写入title字段),甚至我也会写入James,在mySql数据库中,title列类似于id.1、2、3。。。等等,不是詹姆斯 我的错在哪里?非常感谢 url.pyPython Django NoReverseMatch at/create/,python,django,Python,Django,我想创建一个系统。对于这个系统,我需要一个病人创建表单。当我点击按钮时,我可以保存患者,但按下按钮后会出现一个错误页面 找不到具有关键字参数“{slug':'James'}”的“create”的反转。已尝试1个模式:[“创建/$”] (当我填写表单时,我将James写入title字段),甚至我也会写入James,在mySql数据库中,title列类似于id.1、2、3。。。等等,不是詹姆斯 我的错在哪里?非常感谢 url.py app_name = "patients" urlpatterns
app_name = "patients"
urlpatterns = [
re_path('patients/', views.PatientList.as_view(), name='patients_list'),
url(r'^create/$', patient_create, name='patient_create'),
path('create/<slug:slug>/', views.PatientsDetail.as_view(), name='patients_detail'),
]
class newPatients(models.Model):
title = models.CharField(max_length=100)
first_name = models.CharField(max_length=50)
last_name = models.CharField(max_length=50)
created_date = models.DateTimeField(default=timezone.now)
dept = models.TextField()
address = models.TextField()
phone = models.CharField(max_length=15)
notes = RichTextField(verbose_name="notes")
slug = models.SlugField(max_length=100, unique=True, editable=False)
def publish(self):
self.published_date = timezone.now()
self.save()
def __str__(self):
return self.first_name
def get_create_url(self):
return reverse('patients:patient_create', kwargs={'slug': self.slug})
def get_unique_slug(self):
slug = slugify(self.title.replace('ı', 'i'))
unique_slug = slug
counter = 1
while newPatients.objects.filter(slug=unique_slug).exists():
unique_slug = '{}-{}'.format(slug, counter)
counter += 1
return unique_slug
def get_absolute_url(self):
return reverse('patients:patient_create', kwargs={'slug': self.slug})
def save(self, *args, **kwargs):
self.slug = self.get_unique_slug()
return super(newPatients, self).save(*args, **kwargs)
class Meta:
ordering = ['-created_date']
回溯
Environment:
Request Method: POST
Request URL: http://127.0.0.1:8000/create/
Django Version: 2.2.9
Python Version: 3.7.0
Installed Applications:
['django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'users',
'patients',
'widget_tweaks',
'crispy_forms',
'ckeditor']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware']
Traceback:
File "C:\Users\edeni\senior\myenv\lib\site-packages\django\core\handlers\exception.py" in inner
34. response = get_response(request)
File "C:\Users\edeni\senior\myenv\lib\site-packages\django\core\handlers\base.py" in _get_response
115. response = self.process_exception_by_middleware(e, request)
File "C:\Users\edeni\senior\myenv\lib\site-packages\django\core\handlers\base.py" in _get_response
113. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\edeni\senior\myenv\lib\site-packages\django\contrib\auth\decorators.py" in _wrapped_view
21. return view_func(request, *args, **kwargs)
File "C:\Users\edeni\senior\pharsys\patients\views.py" in patient_create
31. return redirect(newPatients)
File "C:\Users\edeni\senior\myenv\lib\site-packages\django\shortcuts.py" in redirect
58. return redirect_class(resolve_url(to, *args, **kwargs))
File "C:\Users\edeni\senior\myenv\lib\site-packages\django\shortcuts.py" in resolve_url
134. return to.get_absolute_url()
File "C:\Users\edeni\senior\pharsys\patients\models.py" in get_absolute_url
40. return reverse('patients:create', kwargs={'slug': self.slug})
File "C:\Users\edeni\senior\myenv\lib\site-packages\django\urls\base.py" in reverse
90. return iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs))
File "C:\Users\edeni\senior\myenv\lib\site-packages\django\urls\resolvers.py" in _reverse_with_prefix
673. raise NoReverseMatch(msg)
Exception Type: NoReverseMatch at /create/
Exception Value: Reverse for 'create' with keyword arguments '{'slug': 'james'}' not found. 1 pattern(s) tried: ['create/$']
阅读错误(检查自己代码中的行):
它告诉您错误在
get\u absolute\u url
方法中(通过重定向调用该方法)。它告诉你它不能用关键字参数“{'slug':'james'}”来反转'create'。现在很清楚了,您的url模式create
没有参数“slug”。可能你的意思不是“创建”(对于细节视图来说会很奇怪),而是“患者详细信息”不要将url
和path
混在一起。如果要使用正则表达式,请使用re_path
。但是,您的url模式的名称是“patient_detail”而不是“create”(在get_absolute_url
)。@dirkgroten我修复并编辑了我的问题,谢谢您现在我编辑了我的代码和问题,但仍然显示了相同的错误,这是不可能的。错误会显示它正在运行的确切代码,因此如果您仍然看到40。返回reverse('patients:create',kwargs={'slug':self.slug})
表示新代码没有运行。你重启服务器了吗?现在我重启了服务器,它正常工作了。非常感谢
File "C:\Users\edeni\senior\pharsys\patients\views.py" in patient_create
31. return redirect(newPatients)
...
File "C:\Users\edeni\senior\pharsys\patients\models.py" in get_absolute_url
40. return reverse('patients:create', kwargs={'slug': self.slug})