1.404 page not found(找不到对应的页面)
2.500 server error(服务器错误)
3.400 bad request(无效的请求)
4.403 HTTP forbidden(HTTP禁止访问,权限不足)
5.200 OK (请求成功)
重新定义404模板: book/urls.py
from django.urls import path
from . import views
from django.conf.urls import handler404
app_name ="book"
urlpatterns = [
path('',views.index,name="index"),
]
handler404=views.page_not_found
book/views.py
from django.http import HttpResponse
from django.shortcuts import render,redirect,reverse
from django.urls import resolve
# Create your views here.
def index(request):
return HttpResponse("welcome")
def page_not_found(request,exception=404):
return render(request,template_name="404.html")
settings.py
DEBUG = False
ALLOWED_HOSTS = ["*"]
404.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<h1>好像出了点问题,界面消失了</h1>
</body>
</html>