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import json
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import random
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from datetime import datetime
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from django.shortcuts import render, HttpResponse
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from django.http import JsonResponse
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from django.views.decorators.csrf import csrf_exempt
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from app01 import models
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from app01.utils.bootstrap import BootStrapModelForm
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from app01.utils.pagination import Pagination
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class OrderModelForm(BootStrapModelForm):
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class Meta:
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model = models.Order
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# fields = "__all__"
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# fields = [""]
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exclude = ["oid", 'admin']
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def order_list(request):
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queryset = models.Order.objects.all().order_by('-id')
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page_object = Pagination(request, queryset)
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form = OrderModelForm()
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context = {
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'form': form,
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"queryset": page_object.page_queryset, # 分完页的数据
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"page_string": page_object.html() # 生成页码
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}
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return render(request, 'order_list.html', context)
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@csrf_exempt
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def order_add(request):
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""" 新建订单（Ajax请求）"""
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form = OrderModelForm(data=request.POST)
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if form.is_valid():
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# 订单号：额外增加一些不是用户输入的值（自己计算出来）
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form.instance.oid = datetime.now().strftime("%Y%m%d%H%M%S") + str(random.randint(1000, 9999))
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# 固定设置管理员ID，去哪里获取？
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form.instance.admin_id = request.session["info"]["id"]
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# 保存到数据库中
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form.save()
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return JsonResponse({"status": True})
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return JsonResponse({"status": False, 'error': form.errors})
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def order_delete(request):
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""" 删除订单 """
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uid = request.GET.get('uid')
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exists = models.Order.objects.filter(id=uid).exists()
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if not exists:
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return JsonResponse({"status": False, 'error': "删除失败，数据不存在。"})
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models.Order.objects.filter(id=uid).delete()
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return JsonResponse({"status": True})
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def order_detail(request):
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""" 根据ID获取订单详细 """
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# 方式1
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"""
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uid = request.GET.get("uid")
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row_object = models.Order.objects.filter(id=uid).first()
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if not row_object:
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return JsonResponse({"status": False, 'error': "数据不存在。"})
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# 从数据库中获取到一个对象 row_object
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result = {
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"status": True,
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"data": {
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"title": row_object.title,
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"price": row_object.price,
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"status": row_object.status,
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}
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}
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return JsonResponse(result)
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"""
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# 方式2
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uid = request.GET.get("uid")
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row_dict = models.Order.objects.filter(id=uid).values("title", 'price', 'status').first()
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if not row_dict:
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return JsonResponse({"status": False, 'error': "数据不存在。"})
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# 从数据库中获取到一个对象 row_object
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result = {
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"status": True,
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"data": row_dict
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}
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return JsonResponse(result)
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@csrf_exempt
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def order_edit(request):
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""" 编辑订单 """
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uid = request.GET.get("uid")
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row_object = models.Order.objects.filter(id=uid).first()
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if not row_object:
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return JsonResponse({"status": False, 'tips': "数据不存在，请刷新重试。"})
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form = OrderModelForm(data=request.POST, instance=row_object)
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if form.is_valid():
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form.save()
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return JsonResponse({"status": True})
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return JsonResponse({"status": False, 'error': form.errors})
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