(基于python的毕业设计)基于深度学习的车牌识别系统(源码+说明+演示视频).zip

import datetime import json import os from django.core.paginator import Paginator from django.db.models import Count from django.http import HttpResponseRedirect, HttpResponse, HttpResponseForbidden, JsonResponse from django.shortcuts import render from user.models import User from .predict import main from .models import * workdir = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) dict_city = { '京': '北京', '津': '天津', '沪': '上海', '渝': '重庆', '宁': '宁夏', '新': '疆维', '西藏': '藏', '桂': '广西', '蒙': '内蒙古', '辽': '辽宁', '吉': '吉林', '黑': '黑龙江', '冀': '河北', '晋': '山西', '皖': '安徽', '苏': '江苏', '浙': '浙江', '闽': '福建', '赣': '江西', '鲁': '山东', '湘': '湖南', '粤': '广东', '豫': '河南', '鄂': '湖北', '云': '云南', '陕': '陕西', '琼': '海南', '川': '四川', '贵': '贵州', '甘': '甘肃', '青': '青海' } def login(req): """ 跳转登录 :param req: :return: """ return render(req, 'login.html') def register(req): """ 跳转注册 :param req: :return: """ return render(req, 'register.html') def index(request): """ 跳转首页 :param req: :return: """ username = request.session.get('username', 'admin') role = int(request.session.get('role', 3)) user_id = request.session.get('user_id', 1) total_user = len(User.objects.all()) total_car = len(Car.objects.all()) date = datetime.datetime.today() month = date.month year = date.year return render(request, 'index.html', locals()) def login_out(req): """ 注销登录 :param req: :return: """ del req.session['username'] return HttpResponseRedirect('/') def personal(req): username = req.session['username'] role_id = req.session['role'] user = User.objects.filter(name=username).first() return render(req, 'personal.html', locals()) def get_data(request): """ 获取列表信息 | 模糊查询 :param request: :return: """ keyword = request.GET.get('name') page = request.GET.get("page", '') limit = request.GET.get("limit", '') role_id = request.GET.get('position', '') response_data = {} response_data['code'] = 0 response_data['msg'] = '' data = [] if keyword is None: results_obj = Car.objects.all() else: results_obj = Car.objects.filter(name__contains=keyword).all() paginator = Paginator(results_obj, limit) results = paginator.page(page) if results: for user in results: record = { "id": user.id, "name": user.name, "license_plate": user.license_plate, "province": user.province, "color": user.color, 'create_time': user.create_time.strftime('%Y-%m-%d %H:%m:%S'), "owner": user.owner, } data.append(record) response_data['count'] = len(results_obj) response_data['data'] = data return JsonResponse(response_data) def data(request): """ 跳转页面 """ username = request.session['username'] role = int(request.session['role']) user_id = request.session['user_id'] return render(request, 'pics.html', locals()) def detection(request): """ 跳转页面 """ username = request.session['username'] role = int(request.session['role']) user_id = request.session['user_id'] results = Car.objects.all() image_list = [] for i in results: record= { 'id':i.id, 'name':i.name } image_list.append(record) return render(request, 'detection.html', locals()) def edit_data(request): """ 修改信息 """ response_data = {} user_id = request.POST.get('id') username = request.POST.get('username') phone = request.POST.get('phone') User.objects.filter(id=user_id).update( name=username, phone=phone) response_data['msg'] = 'success' return JsonResponse(response_data, status=201) def del_data(request): """ 删除信息 """ user_id = request.POST.get('id') result = Car.objects.filter(id=user_id).first() try: if not result: response_data = {'error': '删除失败！', 'message': '找不到id为%s' % user_id} return JsonResponse(response_data, status=403) result.delete() response_data = {'message': '删除成功！'} return JsonResponse(response_data, status=201) except Exception as e: response_data = {'message': '删除失败！'} return JsonResponse(response_data, status=403) # 保存缓存文件 def save_file(file): if file is not None: file_name = os.path.join(workdir, 'static', 'uploadImg', file.name) with open(file_name, 'wb')as f: # chunks()每次读取数据默认 我64k for chunk in file.chunks(): f.write(chunk) f.close() return file_name else: return None def predict(request): image = request.FILES.get('image') file_name = save_file(image) file_path = os.path.join(workdir, 'static', 'uploadImg', image.name) # try: number, score = main(file_path) shengfen = number[0] length = len(number) if length == 7: color='蓝牌' else: color='绿牌' Car.objects.create(name=image.name, license_plate=number, province=dict_city[shengfen], color=color, owner=request.session.get('username', 'admin'), ) return JsonResponse({"number": number, 'score': score, 'error': 0}) # except Exception as e: # print(e) # return JsonResponse({"error":403}) def get_result(request,pic_id): result = Car.objects.filter(id=pic_id).first() license_plate = result.license_plate province = result.province return JsonResponse({'province': province,'license_plate':license_plate}) def map(request): country = ['台湾', '云南', '香港', '上海', '浙江', '内蒙古', '福建', '甘肃', '广东', '广西', '山东', '陕西', '河南', '北京', '四川', '天津', '辽宁', '宁夏', '澳门', '湖北', '湖南', '江苏', '吉林', '黑龙江', '贵州', '青海', '山西', '河北', '重庆', '海南', '安徽', '西藏', '江西', '新疆'] dict_value = dict.fromkeys(country,0) results = Car.objects.values('province').annotate(myCount=Count('province')) # 返回查询集合 county_total_list = [] for i in results: dict_value[i['province']]=i['myCount'] for key,value in dict_value.items(): county_total_list.append({'name':key,'value':value}) username = request.session.get('username', 'admin') role = int(request.session.get('role', 3)) user_id = request.session.get('user_id', 1) return render(request, 'map.html', locals()) def analysis(request): results = Car.objects.values('province').annotate(myCount=Count('province')) # 返回查询集合 country = [] count = [] for i in results: country.append(i['province']) count.append(i['myCount']) result1 = Car.objects.values('color').annotate(myCount=Count('color')) # 返回查询集合 values = [] for i in result1: values.append({'name':i['color'],'value':i['myCount']}) username = request.session.get('username', 'admin') role = int(request.session.get('role', 3)) user_id = request.session.get('user_id', 1)