from django.shortcuts import get_object_or_404, render from .models import Question # ... def detail(request, question_id): question = get_object_or_404(Question, pk=question_id) return render(request, 'polls/detail.html', {'question': question}) 1. 2. 3. 4. 5. 6. 7. links:...
defget_object_or_404(queryset, *filter_args, **filter_kwargs):"""Same as Django's standard shortcut, but make sure to also raise 404 if the filter_kwargs don't match the required types."""try:return_get_object_or_404(queryset, *filter_args, **filter_kwargs)except(TypeError, Valu...
fromdjango.shortcutsimportrender, get_object_or_404returnrender(request,"模板文件名", 字典数据) 5.视图层与模板层之间的交互 (1).视图函数中,可以将Python变量封装到字典中,然后传递大模板。 例如 context ={"active_user": active_user,"group_list": group_list,"enable_backup_switch": config.get("...
from django.shortcuts import render, redirect, get_object_or_404 from .models import Item from .forms import ItemForm def item_add(request): if request.method == 'POST': form = ItemForm(request.POST) if form.is_valid(): item = form.save() return redirect('item-list') else: form =...
from django.shortcuts import render, get_object_or_404, redirect from django.views.generic import ListView, DetailView, CreateView, UpdateView, DeleteView from django.urls import reverse_lazy from .models import Music from .forms import MusicForm # 音乐列表视图 class MusicListView(ListView): model...
(request,pk):book=get_object_or_404(Book,pk=pk)# 获取单个图书,如果不存在则返回404returnrender(request,'books/book_detail.html',{'book':book})# 图书添加视图 defbook_create(request):ifrequest.method=='POST':form=BookForm(request.POST)ifform.is_valid():form.save()returnHttpResponseRedirect...
a) user=User.objects.get(username="admin");该语句含义是获得User b) blogs=BlogArticles.objects.all();blogs其本质是一个由多个BlogArticles类的实例组成的序列对象,在Django中被称为QuerySet c) article=get_object_or_404(BlogArticles,id="");get_object_or_404(klass,*args,**kwargs)方法能够帮助我...
defview(request,*args,**kwargs):user=get_object_or_404(User,pk=request.GET.get('uid'))template='This is {user}\'s email: '+request.GET.get('email')returnHttpResponse(template.format(user=user)) 将导致一个任意用户密码泄露的漏洞: ...
question = get_object_or_404(Question,pk=question_id) return render(request,'polls/results.html',{'question':question}) 1. 2. 3. 在templates\polls目录下新增result.html,代码如下: <h1>{{ question.question_text }}</h1> <ul> {% for choice in question.choice_set.all %} ...
``` # Python script to automatically share content on social media platforms import random def get_random_content(): # Your code here to retrieve random content from a list or database pass def post_random_content_to_twitter(api_key, api_secret, access_token, access_token_secret): content...