Django 的调试工具栏。可显示当前请求和响应有关的各种调试信息，包括耗时、SQL、配置、性能等信息 ``` 1. 安装：pip install django-debug-toolbar 2. TEMPLATES = [ { "BACKEND": "django.template.backends.django.DjangoTemplates", "APP_DIRS": True, # ... } ] 3. INSTALLED_APPS = [ # ... "debug_toolbar", "django.contrib.staticfiles", # ... ] 4. 增加 __debug__ URL import debug_toolbar from django.urls import include, path urlpatterns = [ # ... path('__debug__/', include(debug_toolbar.urls)), ] 5. MIDDLEWARE = [ # ... "debug_toolbar.middleware.DebugToolbarMiddleware", # ... ] 6. INTERNAL_IPS = [ # ... "127.0.0.1", # ... ] ```