book_manager 的views.py
from django.shortcuts import render, redirect, reverse, HttpResponse from app01 import models import time from django.conf import global_settings def login_required(func): def inner(request, *args, **kwargs): # is_login = request.COOKIES.get('is_login') # is_login = request.get_signed_cookie('is_login', salt='xxxx', default='') is_login = request.session.get('is_login') print(is_login) if is_login != '1': url = request.path_info return redirect('/login/?next={}'.format(url)) ret = func(request, *args, **kwargs) return ret return inner def login(request): if request.method == 'POST': username = request.POST.get('username') pwd = request.POST.get('pwd') if username == 'alex' and pwd == '123': url = request.GET.get('next') if url: ret = redirect(url) else: ret = redirect(reverse('index')) # ret.set_cookie('is_login', '1', path='/app01/publisher_list/') # 普通cookie # ret.set_signed_cookie('is_login', '1', salt='xxxx') # 普通cookie request.session['is_login'] = '1' request.session.set_expiry(0) return ret return render(request, 'login.html') def logout(request): ret = redirect('/login/') # ret.delete_cookie('is_login') # 删除session request.session.delete() return ret @login_required def index(request): return HttpResponse('o98k') def timer(func): def inner(request, *args, **kwargs): print(func) print(args) start = time.time() ret = func(request, *args, **kwargs) print("执行的时间:{}".format(time.time() - start)) return ret return inner @login_required def publisher(reqeust): # 测试request对象 # print(reqeust.path_info) # print(reqeust.get_full_path()) # 测试session print(reqeust.session.session_key) # print(reqeust.scheme) # print(reqeust.META) # url = reverse('edit_pub', args=('publisher','100',)) # url = reverse('edit_pub', kwargs={'name': 'publisher', 'pk': '100'}) # url = reverse('publisher') # # print(url, type(url)) # 获取到所有的出版社信息 all_publisher = models.Publisher.objects.all() return render(reqeust, 'publisher.html', {'publishers': all_publisher, 'name': 'base.html'}) @timer def add_publisher(request): if request.method == 'POST': new_name = request.POST.get('new_name') obj = models.Publisher.objects.create(name=new_name) print(obj, type(obj)) return redirect(reverse('publisher')) return render(request, 'add_publisher.html') from django.views import View from django.utils.decorators import method_decorator # @method_decorator(timer, name='get') # @method_decorator(timer, name='post') @method_decorator(login_required, name='dispatch') class AddPub(View): # http_method_names = ['get'] # @timer def dispatch(self, request, *args, **kwargs): ret = super().dispatch(request, *args, **kwargs) return ret # @timer def get(self, request): print(request.body) print('get') return render(request, 'add_publisher.html') # @method_decorator(timer) def post(self, request): print(request.body) print('post') new_name = request.POST.get('new_name') obj = models.Publisher.objects.create(name=new_name) return redirect(reverse('publisher')) def edit_publisher(request, name, pk): # pk = request.GET.get('pk') obj = models.Publisher.objects.filter(pk=pk).first() if request.method == 'POST': new_name = request.POST.get('new_name') obj.name = new_name obj.save() return redirect(reverse('publisher')) return render(request, 'edit_publisher.html', {'obj': obj}) def book_list(request): books = models.Book.objects.all() # for book in books: # print(book.title) # print(book.publisher, type(book.publisher)) # 对象.外键 _ > 所挂关联的对象 # print(book.publisher.pid) # print(book.publisher.name) # print(book.publisher_id) return render(request, 'book_list.html', {'books': books}) class AddBook(View): def get(self, request): publishers = models.Publisher.objects.all() return render(request, 'add_book.html', {'publishers': publishers}) def post(self, request): new_name = request.POST.get('new_name') pub_id = request.POST.get('pub') # models.Book.objects.create(title=new_name,publisher=models.Publisher.objects.get(pk=pub_id)) models.Book.objects.create(title=new_name, publisher_id=pub_id) return redirect(reverse('book')) class EditBook(View): def get(self, request, pk): book_obj = models.Book.objects.get(pk=pk) publishers = models.Publisher.objects.all() return render(request, 'edit_book.html', {'book_obj': book_obj, 'publishers': publishers}) def post(self, request, pk): book_obj = models.Book.objects.get(pk=pk) new_name = request.POST.get('new_name') pub_id = request.POST.get('pub') book_obj.title = new_name book_obj.publisher_id = pub_id book_obj.save() return redirect(reverse('book')) def delete(request, table, pk): table_class = getattr(models, table.capitalize()) table_class.objects.filter(pk=pk).delete() return redirect(reverse(table))