124 lines
4.4 KiB
Python
124 lines
4.4 KiB
Python
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"""
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订单管理
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主要以模态窗口方式实现添加操作
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"""
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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, redirect
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from app import models
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from app.models import Order
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from app.utils.form import OrderModelForm
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# 免除crsf认证，如果ajax请求时，不是表单提交所以会很复杂，导入他就行
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from django.views.decorators.csrf import csrf_exempt
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from app.utils.pagination import Pagination
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def order_list(request):
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""" 订单列表 """
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# 猎取全部记录
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queryset = models.Order.objects.all().order_by('-id')
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page_object = Pagination(request, queryset) # 实例化分页导航条类
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page_queryset = page_object.page_queryset # 获得分完页的数据结果
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# 生成分页导航条
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page_nav = page_object.html()
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form = OrderModelForm()
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content = {
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'form': form,
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'queryset': page_queryset, # 分完页的数据结果
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'page_nav': page_nav # 生成的页码导航条
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}
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return render(request, 'order_list.html', content)
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@csrf_exempt
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def order_add(request):
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"""新建订单"""
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# 对ajax提交近来的数据进行校验
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form = OrderModelForm(data=request.POST)
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print(form)
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if form.is_valid():
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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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# 在models.py中定义的是user，是有主键约束的，所以django在生成数据表结构时，会自动加一个_id
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form.instance.user_id = request.session['info']['id']
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form.save() # 向数据表添加数据
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# 将标记传回前端
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data_dict = {"status": True, }
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return HttpResponse(json.dumps(data_dict))
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# 如果有错误
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# 将生成错误以json格式返回给前端
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data_dict = {"status": False, 'error_msg': form.errors}
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return HttpResponse(json.dumps(data_dict, ensure_ascii=False)) # ensure_ascii编码格式
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def order_delete(request):
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"""删除订单"""
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# nid = request.GET['data']
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Order.objects.filter(id=request.GET.get('nid')).delete()
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finish = {"status": True, }
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return HttpResponse(json.dumps(finish))
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def order_detail(request):
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""" 获取订单的全部信息，返回给前端显示，用于修改使用 """
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""" 方式1 返回的是一个对象取数据结果时较复杂"""
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# uid = request.GET.get('nid')
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# print(uid)
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# row_object = models.Order.objects.filter(id=uid).first()
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# if not row_object: # 数据不存在
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# return HttpResponse(json.dumps({'status': False, 'error': '数据不存在!'}))
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# print(row_object)
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# # row_object本返回的是一个对象，不能够直接JSON，所以手对构建字典
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# result_dict = {
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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 HttpResponse(json.dumps(result_dict))
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""" 方式2 """
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uid = request.GET.get('nid')
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print(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: # 数据不存在
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return HttpResponse(json.dumps({'status': False, 'error': '数据不存在!'}))
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# row_dict 返回的是一个字典
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result_dict = {
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'status': True,
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'data': row_dict
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}
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return HttpResponse(json.dumps(result_dict))
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@csrf_exempt
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def order_edit(request):
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uid = request.GET.get('uid')
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# 1.先查询到该条记录
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# 2.拿到POST请求过来的数据（data=request.POST），将将查询到数据对象传递给form（instance=row_data）
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row_data = Order.objects.filter(id=uid).first()
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if not row_data:
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data_dict = {"status": False, "tips": '数据不存在,请刷新后重试'}
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return HttpResponse(json.dumps(data_dict, ensure_ascii=False)) # ensure_ascii编码格式
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# POST请求
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form = OrderModelForm(data=request.POST, instance=row_data) # 拿到所有提交过来的数据
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if form.is_valid(): # 数据校验
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form.save() # 向 model = UserInfo 定义的表保存数据
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# 将标记传回前端
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data_dict = {"status": True, }
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return HttpResponse(json.dumps(data_dict))
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# 如果有错误
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# 将生成错误以json格式返回给前端
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data_dict = {"status": False, 'error_msg': form.errors}
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return HttpResponse(json.dumps(data_dict, ensure_ascii=False)) # ensure_ascii编码格式
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