视图-返回错误响应

返回错误的 3 种方式：

• 返回 HttpResponseNotFound
• 返回 HttpResponse 设置 status 状态码
• 返回 Http404 状态对象

from django.http import HttpResponse, Http404, HttpResponseNotFound

def loginFunc1(request, name):
    return HttpResponseNotFound("<h1>Page not found</h1>")

def loginFunc2(request):
    return HttpResponse(status=404)

def loginFunc3(request):
    raise Http404("Model does not exist")