Python基于Django的物资管理系统 实现二维码生成与扫码功能

from django.shortcuts import render,redirect from django.http import HttpResponse from django.core.paginator import Paginator,EmptyPage,PageNotAnInteger from .models import * from .form import * from django.db.models import Q import datetime from pystrich.ean13 import EAN13Encoder # Create your views here. def indexView(request,page): username = request.user.username if request.method =='GET': search = request.GET.get('search') if search: Item_list = Item.objects.filter(Q(item_name__contains=search) | Q(item_type__contains=search) | Q(item_speciality__contains=search)).order_by('item_id') else: Item_list=Item.objects.all().order_by('item_id') paginator =Paginator(Item_list,10) try: pageInfo =paginator.page(page) except PageNotAnInteger: pageInfo=paginator.page(1) except EmptyPage: pageInfo=paginator.page(paginator.num_pages) else: #borrow_item=Item.objects.filter(item_id__lt= request.POST.get('borrow_item_id')) borrow_id=request.POST.get('borrow_item_id') borrow_number=int(request.POST.get('borrow_item_number')) item_number_full=int(request.POST.get('item_number')) borrow_item_type=request.POST.get('borrow_item_type') borrow_item_speciality=request.POST.get('borrow_item_speciality') borrow_item_remark=request.POST.get('borrow_item_remark') Item.objects.filter(item_id=borrow_id).update(item_number=item_number_full-borrow_number) tips = '已借取' itemstatusinfo=ItemstatusInfo() item_name=request.POST.get('borrow_item_name') item_unit=request.POST.get('borrow_item_unit') itemstatusinfo.item_id=borrow_id itemstatusinfo.item_name=item_name itemstatusinfo.number=borrow_number itemstatusinfo.should_number=borrow_number itemstatusinfo.remark=borrow_item_remark itemstatusinfo.item_speciality=borrow_item_speciality itemstatusinfo.item_type=borrow_item_type itemstatusinfo.person=username itemstatusinfo.status = '已借取' itemstatusinfo.save() Item_list = Item.objects.all().order_by('item_id') paginator = Paginator(Item_list, 10) try: pageInfo = paginator.page(page) except PageNotAnInteger: pageInfo = paginator.page(1) except EmptyPage: pageInfo = paginator.page(paginator.num_pages) return render(request,'index.html',locals()) def additemView(request): username = request.user.username if request.method=='GET': form=ItemModelForm() return render(request,'add.html',locals()) else: item=ItemModelForm(request.POST) if item.is_valid(): item.save() tips='提交成功' form = ItemModelForm() return render(request,'add.html',locals()) return render(request,'add.html',locals()) def iteminfoView(request,page): username = request.user.username if request.method == 'GET': search = request.GET.get('search') if search: Item_list = ItemstatusInfo.objects.filter(Q(item_name__contains=search)|Q(item_type__contains=search)|Q(item_speciality__contains=search) ,person=username).order_by('-update') else: Item_list = ItemstatusInfo.objects.filter(person=username ,status='已借取').order_by('-update') paginator = Paginator(Item_list, 10) try: pageInfo = paginator.page(page) except PageNotAnInteger: pageInfo = paginator.page(1) except EmptyPage: pageInfo = paginator.page(paginator.num_pages) else: # borrow_item=Item.objects.filter(item_id__lt= request.POST.get('borrow_item_id')) back_id = request.POST.get('back_id') borrow_item_id=request.POST.get('borrow_item_id') borrow_number = int(request.POST.get('borrow_item_number')) back_number = int(request.POST.get('back_item_number')) re_number=ItemstatusInfo.objects.get(id=back_id).re_number+back_number number=ItemstatusInfo.objects.get(id=back_id).number item_temp=ItemstatusInfo.objects.filter(id=back_id).update(re_number= re_number,should_number=number - re_number,update=datetime.datetime.now()) if borrow_number-back_number == 0: tips = '已归还' ItemstatusInfo.objects.filter(id=back_id).update(status='已归还') else: tips='未全部归还' item_number=int(Item.objects.get(item_id=borrow_item_id).item_number) Item.objects.filter(item_id=borrow_item_id).update(item_number=item_number + back_number) Item_list = ItemstatusInfo.objects.filter(person=username, status='已借取').order_by('-update') paginator = Paginator(Item_list, 10) try: pageInfo = paginator.page(page) except PageNotAnInteger: pageInfo = paginator.page(1) except EmptyPage: pageInfo = paginator.page(paginator.num_pages) return render(request, 'iteminfo.html', locals()) def baomiView(request,page): username = request.user.username if request.method == 'GET': search = request.GET.get('search') if search: Item_list = ItemstatusInfo.objects.filter( Q(item_name__contains=search) | Q(item_type__contains=search) | Q(item_speciality__contains=search)).order_by('-update') else: Item_list = ItemstatusInfo.objects.filter(item_type='保密物资').order_by('-update') paginator = Paginator(Item_list, 10) try: pageInfo = paginator.page(page) except PageNotAnInteger: pageInfo = paginator.page(1) except EmptyPage: pageInfo = paginator.page(paginator.num_pages) else: pass return render(request, 'baomi.html', locals()) def gudingView(request,page): username = request.user.username if request.method == 'GET': search = request.GET.get('search') if search: Item_list = ItemstatusInfo.objects.filter( Q(item_name__contains=search) | Q(item_type__contains=search) | Q( item_speciality__contains=search)).order_by('-update') else: Item_list = ItemstatusInfo.objects.filter(item_type='固定资产').order_by('-update') paginator = Paginator(Item_list, 10) try: pageInfo = paginator.page(page) except PageNotAnInteger: pageInfo = paginator.page(1) except EmptyPage: pageInfo = paginator.page(paginator.num_pages) else: pass return render(request, 'guding.html', locals()) def zhuanyeView(request,page): username = request.user.username if request.method == 'GET': search = request.GET.get('search') if search: Item_list = ItemstatusInfo.objects.filter( Q(item_name__contains=search) | Q(item_type__contains=search) | Q( item_speciality__contains=search)).order_by('-update') else: Item_list = ItemstatusInfo.objects.all().order_by('-update') paginator = Paginator(Item_list, 10) try: pageInfo = paginator.page(page) except PageNotAnInteger: pageInfo = paginator.page(1) except EmptyPage: pageInfo = paginator.page(paginator.num_pages) else: pass return render(request, 'zhuanye.html', locals()) def xiugaiView(request,page): username = request.user.username if request.method =='GET': search = request.GET.get('search') if search: Item_list = Item.objects.filter(Q(it