Django = 2.1.x

Python = 3.7.x

如果Debug为True，则返回404。

如果Debug为False，则会显示500错误。

我的project.urls文件如下：

urlpatterns = [
    path("admin/",admin.site.urls),path("",app1.views.log_in,name="log_in"),path("log_in/",path("logout/",app1.views.log_out,name="logout"),path("launcher/",app1.views.launcher,name="launcher"),path("app2/",include("app2.urls")),path("app3/",include("app3.urls")),]

我的目录结构如下：

Project_directory
    static_directory
        ...js files and css files and such...
    templates_directory
        400.html
        403.html
        404.html
        500.html
        base.html (all apps extend this page,which works great)
    project_directory
        urls.py
        settings.py
        ...other files...
    app1_directory
        views.py
        models.py
        templates_directory
            app1
                ...template files...
        ...other app1 files/directories...
    app2_directory
        ...app2 directories and files...
    app3_directory
        ...app3 directories and files...

当我python manage.py runserver并点击一个我知道不存在的URL（如http://project/randomtrash.php）时，如果DEBUG = True给出一个适当的404

如果DEBUG = False，然后点击相同的URL，将显示500，并显示500.html。

settings.py的重要部分如下：

# These two settings are only for testing purposes and are different
# In production
DEBUG = False
ALLOWED_HOSTS = ["*"]

ROOT_urlconf = "project.urls"

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",# DIRS lets the apps extend base.html
        "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","project.context_processors.app_context","project.context_processors.registrations",]
        },}
]

STATIC_URL = "/static/"

STATIC_ROOT = os.path.join(os.path.dirname(BASE_DIR),"static")

SESSION_EXPIRE_AT_BROWSER_CLOSE = True

if DEBUG:
    STATIcfileS_DIRS = [os.path.join(BASE_DIR,"static")]