pycharm：2019.3

Python：3.7

Django：3.0

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源代码：

1 # project中的url
2 from django.contrib import admin
3 from django.urls import path
4 from django.conf.urls import url, include
5 
6 urlpatterns = [
7     url(r'admin/', admin.site.urls),
8     url(r'^', include('myApp.urls', namespace="myApp"))
9 ]

1 # 应用中的url
2 from django.conf.urls import url
3 from . import views
4 urlpatterns = [
5     url(r'^$', views.index, name="index"),
6     url(r'^attribles', views.attribles)
7 ]

报错提示为：

 

 

 解决办法：

在[app_name]目录下的urls.py中的urlpatterns前面加上app_name='[app_name]'， [app_name]代表你的应用的名称。

改正应用里url后的源代码：

1 from django.conf.urls import url
2 from . import views
3 
4 app_name = 'myApp'
5 
6 urlpatterns = [
7     url(r'^$', views.index, name="index"),
8     url(r'^attribles', views.attribles)
9 ]

也可以修改project中的url，详情：https://blog.csdn.net/weixin_40841752/article/details/79335345?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task