基于协同过滤的电影推荐系统 Django.zip

from django.shortcuts import render,redirect from django.contrib.auth import login,logout,authenticate from django.contrib.auth.forms import UserCreationForm,UserChangeForm,PasswordChangeForm from .forms import selfforms,selfchangeforms from .models import commuser,movie_info,User_evaluation,MOVIE from django.contrib.auth.decorators import login_required from django.contrib.auth.models import User from django.core.exceptions import ObjectDoesNotExist from math import * from myauth.usercf import UserCF from myauth.itemcf import ItemBasedCF from myauth.svdrecommend import SVDrecommend import pandas as pd import numpy as np # Create your views here. def noticeUser(request): return render(request,'other/noticeUser.html') def remind(request): return render(request,'other/remind.html') @login_required(login_url='myauth:slogin') def user_center(request): content = {'user':request.user} return render(request,'myauth/user_center.html',content) #编辑个人信息 @login_required(login_url='myauth:slogin') def edit_pro(request): if request.method == 'POST': changeform = selfchangeforms(request.POST,instance=request.user) if changeform.is_valid(): changeform.save() return redirect('myauth:user_center') else: changeform = selfchangeforms(instance=request.user) contentform = {'changeform': changeform,'user':request.user} return render(request, 'myauth/edit_pro.html', contentform) @login_required(login_url='myauth:slogin') def change_pass(request): if request.method == 'POST': changepassform = PasswordChangeForm(data=request.POST, user=request.user) if changepassform.is_valid(): changepassform.save() return redirect('myauth:slogin') else: changepassform = PasswordChangeForm(user=request.user) contentform = {'changepassform': changepassform, 'user': request.user} return render(request, 'myauth/change_pass.html', contentform) import json from django.forms.models import model_to_dict #生成用户评分数据 import random def load(): id =int(1) vis = list(range(956)) for i in range(1,956): vis[i]=0 for x in range(10): for y in range(100): movie_id = random.randint(1,954) while vis[movie_id]==1: movie_id = random.randint(1,954) vis[movie_id]=1 d = User_evaluation(user_id= id,movie_id=movie_id,score=round(random.uniform(5.0,10.0),1)) d.save() id+=1 print(id,'ok') for i in range(1,956): vis[i]=0 #下载图片 # 保存路径太长会导致出错 # 根据url在浏览器中打开网页，可以设定每次打开的间隔时间 #为了避免浏览器资源消耗完，每打开10个网页就关闭一次浏览器 import sys import webbrowser import time import os import urllib def download(): sys.path.append('libs') dataList = movie_info.objects.all() count=0 for i in dataList: time.sleep(2) webbrowser.open(i.movie_poster,0,False) count+=1 if count==10: count=0 os.system('taskkill /F /IM chrome.exe') # print(i.movie_poster) # try: # request = urllib.request.Request(i.movie_poster) # response = urllib.request.urlopen(request) # img = response.read() # # print(img) # with open("D:/pycharm_code/Movie_recommd/myauth/static/img/movie_info/" + str(i.id) + ".jpg", "wb") as f: # f.write(img) # print("D:/jpg/" + str(i.id) + ".jpg" + "已经写入本地磁盘") # except: # print("访问为空") #修改movie_id def repair_id(): data = movie_info.objects.all() cnt =1 for x in data: x.id=cnt; x.save() cnt+=1 def index(request): #load() # download() #repair_id() if request.user.is_authenticated==False: return render(request,'other/remind.html') error = '' if request.method=='POST': if request.POST.get('Score'): S = float(request.POST.get('Score')) if S>=0 and S<=10: num = User_evaluation.objects.filter(user_id=request.user.id,movie_id=request.POST.get('movie_id')).count() if num: User_evaluation.objects.filter(user_id=request.user.id,movie_id=request.POST.get('movie_id')).update(score = request.POST.get('Score')) else: d=User_evaluation(user_id=request.user.id, movie_id=request.POST['movie_id'],score=request.POST.get('Score')) d.save() else: error='错误' key=request.POST['info'] else: key='动作' data = movie_info.objects.filter(movie_type__regex=key) return render(request, 'myauth/index.html', {'data': data,'type':key,'error':error}) def slogin(request): if request.method=='POST': user = authenticate(request,username=request.POST['username'],password = request.POST['password']) if user is None: return render(request,'myauth/login.html',{'错误':'用户名不存在或者密码错误'}) else: login(request,user=user) return redirect('myauth:index') else: return render(request,'myauth/login.html') def slogout(request): logout(request) return redirect('myauth:index') def register(request): if request.method == 'POST': registerform = selfforms(request.POST) if registerform.is_valid(): registerform.save() user = authenticate(request, username=registerform.cleaned_data['username'], password=registerform.cleaned_data['password1']) user.email=registerform.cleaned_data['email'] commuser(user=user,nikname=registerform.cleaned_data['nikname'],birthday=registerform.cleaned_data['birthday']).save() login(request,user) return redirect('myauth:index') else: registerform = selfforms() contentform ={'registerform':registerform} return render(request,'myauth/register.html',contentform) #电影 def showMovie(request): if request.method == 'POST': error = '' if request.POST.get('movie_id'): movie_id = request.POST['movie_id'] score = float(request.POST['Score']) if score >= 0 and score <= 10 : num = User_evaluation.objects.filter(user_id=request.user.id,movie_id=movie_id).count() if num: User_evaluation.objects.filter(user_id=request.user.id,movie_id=movie_id).update(score=score) else: User_evaluation(user_id=request.user.id, movie_id=movie_id,score=score).save() else: error = '错误' info = movie_info.objects.all() data = [] data.append(info[int(movie_id)-1]) else: movie_name = request.POST['movie_name'] data = movie_info.objects.filter(movie_name=movie_name) if data: return render(request,'movie/show_movie.html',{'data':data,'error':error}) else: return render(request, 'movie/show_movie.html', {'error':error}) else: return redirect('myauth:index') def NEW_movie(request): data = MOVIE.objects.all()[::-1][:10] return render(request,'movie/NEW_movie.html',{'data':data}) # def movieRecommd(request): # data = User_evaluation.objects.all() # return render(request,'movie/recommd.html',{'data':data}) def hot(request): data = movie_info.objects.filter(movie_type__regex='热门') return render(request,'movie/hot.html',{'data':data}) # 基于用户的协同过滤算法 def recommd1(request): userMovieScore = User_evaluation.objects.all() userMovieScoreDict = readData(userMovieScore) for i in userMovieScoreDict.items(): print