系统展示
开发背景
基于Python和Django的美术馆预约系统开发背景主要涵盖以下几个方面:
综上所述,基于Python和Django的美术馆预约系统开发背景涵盖了行业需求、技术应用、系统功能、优势价值、实现过程以及应用场景等多个方面。该系统将为美术馆提供更加便捷高效的预约服务,促进文化艺术事业的发展。
代码实现
# 导入必要的库和模块
import datetime
from django.shortcuts import render, redirect
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt
from .models import Artwork, Reservation
# 定义一个视图函数,用于处理用户请求并返回预约结果
@csrf_exempt
def reserve(request):
# 获取用户提交的预约信息
artwork_id = request.POST.get('artwork_id')
user_name = request.POST.get('user_name')
reservation_date = request.POST.get('reservation_date')
# 验证输入参数是否有效
if not artwork_id or not user_name or not reservation_date:
return JsonResponse({'error': 'Invalid input parameters'})
# 将预约日期转换为datetime对象
try:
reservation_date = datetime.datetime.strptime(reservation_date, '%Y-%m-%d').date()
except ValueError:
return JsonResponse({'error': 'Invalid date format'})
# 检查预约日期是否在当前日期之后
if reservation_date < datetime.date.today():
return JsonResponse({'error': 'Reservation date must be in the future'})
# 检查艺术品是否存在
try:
artwork = Artwork.objects.get(id=artwork_id)
except Artwork.DoesNotExist:
return JsonResponse({'error': 'Artwork not found'})
# 检查该艺术品是否已被预约
existing_reservations = Reservation.objects.filter(artwork=artwork, date=reservation_date)
if existing_reservations.exists():
return JsonResponse({'error': 'Artwork already reserved on this date'})
# 创建新的预约记录
new_reservation = Reservation(artwork=artwork, user_name=user_name, date=reservation_date)
new_reservation.save()
# 返回成功预约的信息
return JsonResponse({'success': 'Reservation successful'})
# 定义一个视图函数,用于显示预约页面
def index(request):
# 获取所有艺术品信息
artworks = Artwork.objects.all()
# 渲染预约页面模板并传递艺术品数据
return render(request, 'index.html', {'artworks': artworks})
项目案例
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