计算机毕业设计：Python实现的博客系统，保证可靠运行，附赠计算机答辩PPT模板

from django.shortcuts import render # Create your views here. from django.http import HttpResponse,HttpResponseRedirect from . import models from django.contrib import auth from django.urls import reverse from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger # def index(request): # return HttpResponse('hello world!--zoutao') #可以使用面向对象的方式来写，声明为class类来写函数 #使用render渲染(显示)html页面,参数是字典，显示到前端 #实现分页了已经 def index(request): articles = models.Article.objects.all() #获取全部的Article对象 paginator = Paginator(articles, 10) #每页显示三个 page = request.GET.get('page') # first_page = paginator.page(1) # last_page = paginator.page(paginator.num_pages) try : post_list = paginator.page(page)# If page is not an integer, deliver first page. except PageNotAnInteger : post_list = paginator.page(1)#取对象的第一分页对象 except EmptyPage : post_list = paginator.page(paginator.num_pages)# If page is out of range (e.g. 9999), deliver last page of results. return render(request, 'blog/index.html', {'post_list' : post_list}) #使用render渲染(显示)html页面,参数是字典，显示到前端,先获取到需要的数据，选择性返回 def article_page(request,article_id): article = models.Article.objects.get(pk=article_id) return render(request, 'blog/article_page.html', {'article': article}) #使用render渲染(显示)html页面,参数是字典，显示到前端,先获取到需要的数据，选择性返回 def article_edit_page(request,article_id): #如果id是0，是新文章，如不是，传递id if str(article_id) == '0': return render(request,'blog/article_edit_page.html') article = models.Article.objects.get(pk=article_id) return render(request, 'blog/article_edit_page.html',{'article':article}) #action提交数据来了做响应 def article_edit_page_action(request): title = request.POST.get('title','默认标题') content = request.POST.get('content','默认内容') #获取隐藏域传递来的参数，默认的是0 article_id = request.POST.get('article_id_hidden','0') if article_id == '0': #新建博客文章数据 models.Article.objects.create(title=title, content=content) #保存了以后需要回显 articles = models.Article.objects.all() return render(request,'blog/index.html',{'articles':articles}) #编辑原来文章的情况,以赋值更新 article = models.Article.objects.get(pk=article_id) article.title = title article.content = content article.save() return render(request,'blog/article_page.html',{'article':article}) # #定义表单模型 # class UserForm(forms.Form): # username = forms.CharField(label='用户名：',max_length=100) # password = forms.CharField(label='密码：',widget=forms.PasswordInput()) # #登录 # def login(request): # if request.method == 'POST': # uf = UserForm(request.POST) # if uf.is_valid(): # #获取表单用户密码 # username = uf.cleaned_data['username'] # password = uf.cleaned_data['password'] # #获取的表单数据与数据库进行比较 # user = User.objects.filter(username__exact = username,password__exact = password) # if user: # return render_to_response('success.html',{'username':username}) # else: # return HttpResponseRedirect('/login/') # else: # uf = UserForm() # return render_to_response('login.html',{'uf':uf}) from django.contrib.auth import authenticate def login(request): username = request.POST.get('username',) password = request.POST.get('password',) user =auth.authenticate(username = 'zoutao',password='123456') if user is not None and user.is_active: # if user.is_active: print('登录成功！') else: print('登录失败！请重试') #return HttpResponseRedirect(reverse('blog:index', args=(user,))) #方法二 # def login(request): # username = request.POST.get('username',) # password = request.POST.get('password',) # user = auth.authenticate(username = 'zoutao',password='123456') # if user is not None and user.is_active: # # Correct password, and the user is marked "active" # auth.login(request, user) # # Redirect to a success page. # return HttpResponseRedirect(reverse("blog:index",args=(username,))) # #return HttpResponseRedirect(reverse('polls:results', args=(question_id,))) # else: # # Show an error page # #return HttpResponseRedirect("blog/index/") # return HttpResponseRedirect(reverse("blog:index",args=(username,)))