人工智能-项目实践-信息检索-基于python Django写的 一个乱七八糟的naive图片检索推荐系统

from django.shortcuts import render, redirect from django.http import HttpResponse, Http404 from .models import * from django.contrib import auth from django import forms # 导入表单 from django.contrib.auth.models import User # 导入django自带的user表 from ins.searcher import Searcher from ins.colordescriptor import ColorDescriptor import cv2 class UserForm(forms.Form): username = forms.CharField(label='用户名', max_length=100) password = forms.CharField(label='密_码', widget=forms.PasswordInput()) # Django的form的作用： # 1、生成html标签 # 2、用来做用户提交的验证 # Form的验证思路 # 前端：form表单 # 后台：创建form类，当请求到来时，先匹配，匹配出正确和错误信息。 def index(request): return render(request, 'index.html') def myfriends(request, uploader): friend_list = friend.objects.filter(username = uploader) return render(request,'myfriends.html',{'friendlists':friend_list}) def index1(request): return render(request, 'index1.html') def result(request, id): # 初始化颜色描述器 cd = ColorDescriptor((8, 12, 3)) img = Img.objects.get(pk=id) img_url = img.img_name query = cv2.imread("D:/project1/media/img/"+img_url) features = cd.describe(query) searcher = Searcher("D:/project1/index.csv") results = searcher.search(features) pic = [] for (score, resultID) in results: result_ = Img.objects.get(img_name = resultID) pic.append(result_) return render(request,'result.html',{'results':pic}) def upload(request): if request.method == 'POST': img = Img(img_url=request.FILES.get('img'), img_name = request.FILES.get('img') , img_tags = request.POST.get('tags','default'), img_uploader=request.POST.get('uploader','anonymous')) #imgname = request.FILES.get('img') img.save() return render(request,'latestpic.html',{'img': img}) return render(request,'upload.html') def latest(request): return render(request,'latestpic.html') def regist(request): if request.method == 'POST': uf = UserForm(request.POST) # 包含用户名和密码 if uf.is_valid(): # 获取表单数据 username = uf.cleaned_data['username'] # cleaned_data类型是字典，里面是提交成功后的信息 password = uf.cleaned_data['password'] # 添加到数据库 # registAdd = User.objects.get_or_create(username=username,password=password) registAdd = User.objects.create_user(username=username, password=password) # print registAdd if registAdd == False: return render(request, 'share1.html', {'registAdd': registAdd, 'username': username}) else: # return HttpResponse('ok') return render(request, 'share1.html', {'registAdd': registAdd}) # return render_to_response('share.html',{'registAdd':registAdd},context_instance = RequestContext(request)) else: # 如果不是post提交数据，就不传参数创建对象，并将对象返回给前台，直接生成input标签，内容为空 uf = UserForm() # return render_to_response('regist.html',{'uf':uf},context_instance = RequestContext(request)) return render(request, 'regist1.html', {'uf': uf}) def login(request): if request.method == 'POST': username = request.POST.get('username') password = request.POST.get('password') print username, password re = auth.authenticate(username=username, password=password) # 用户认证 if re is not None: # 如果数据库里有记录（即与数据库里的数据相匹配或者对应或者符合） auth.login(request, re) # 登陆成功 return redirect('/upload/', {'user': re}) # 跳转--redirect指从一个旧的url转到一个新的url else: # 数据库里不存在与之对应的数据 return render(request, 'login.html', {'login_error': '用户名或密码错误'}) # 注册失败 return render(request, 'login.html') def logout(request): auth.logout(request) return render(request, 'index1.html') def article(request,uploader): article_list = Img.objects.filter(img_uploader = uploader) return render(request, 'article.html', {'article_list': article_list}) def others(request,uploader): if request.method == 'POST': test = friend.objects.filter(username = request.POST.get('username',''), friendname = request.POST.get('friendname','')) fri = friend(username = request.POST.get('username',''), friendname = request.POST.get('friendname','') ) if not test: fri.save() article_list = Img.objects.filter(img_uploader = uploader) return render(request, 'others_detail.html', {'article_list': article_list}) def detail(request, id): # print id try: article = Img.objects.get(id=id) # print type(article) except Img.DoesNotExist: raise Http404 return render(request, 'detail.html', locals())