この記事の目次
既読機能の実装
detail.html
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{% extends 'base.html' %} {% block customecss %} {% endblock customecss %} {% block header %} <div class="alert alert-primary" role="alert"> 個別投稿 </div> {% endblock header %} {% block content %} <div class='container'> <div class="alert alert-success" role="alert"> <p>タイトル：{{object.title}}</p> <p>投稿者：{{object.auther}}</p> <p>内容：{{object.content}}</p> <p><img src="{{object.images.url}}" width=300></p> <a href="{% url 'good' object.pk %}" class="btn btn-primary btn-lg active" role="button" aria-pressed="true">いいねする</a> <a href="{% url 'good' object.pk %}" class="btn btn-secondary btn-lg active" role="button" aria-pressed="true">既読にする</a> </div> </div> {% endblock content %} |
urls.py
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from django.urls import path from .views import signupfunc, loginfunc, listfunc, logoutfunc, detailfunc, goodfunc, readfunc urlpatterns = [ path('signup/', signupfunc, name='signup'), path('login/', loginfunc, name='login'), path('list/', listfunc, name='list'), path('logout/', logoutfunc, name='logout'), path('detail/<int:pk>', detailfunc, name="detail"), path('good/<int:pk>', goodfunc, name='good'), path('read/<int:pk>', readfunc, name='read'), ] |
views.py
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from django.shortcuts import render from django.contrib.auth.models import User from django.contrib.auth import authenticate, login, logout from django.shortcuts import redirect from .models import BoardModel from django.contrib.auth.decorators import login_required # Create your views here. def signupfunc(request): if request.method =='POST': username2 = request.POST['username'] password2 = request.POST['password'] try: User.objects.get(username=username2) return render(request, 'signup.html', {'error':'このユーザーは登録されています'}) except: user = User.objects.create_user(username, '', password2) return render(request, 'signup.html', {'some':100}) return render(request, 'signup.html', {'some':100}) def loginfunc(request): if request.method =='POST': username2 = request.POST['username'] password2 = request.POST['password'] user = authenticate(request, username=username2, password=password2) if user is not None: login(request, user) return redirect('list') else: return redirect('login') return render(request, 'login.html') @login_required def listfunc(request): object_list = BoardModel.objects.all() return render(request, 'list.html', {'object_list':object_list}) def logoutfunc(request): logout(request) return redirect('login') def detailfunc(request, pk): object = BoardModel.objects.get(pk=pk) return render(request, 'detail.html', {'object':object}) def goodfunc(request, pk): post = BoardModel.objects.get(pk=pk) post.good = post.good + 1 post.save() return redirect('list') def readfunc(request, pk): post = BoardModel.objects.get(pk=pk) post2 =request.user.get_username() if post2 in post.readtext: return redirect('list') else: post.read += 1 post.readtext = post.readtext + ' ' + post2 post.save() return redirect('list') |
list.html
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{% extends 'base.html' %} {% block customecss %} {% endblock customecss %} {% block header %} <div class="alert alert-primary" role="alert"> 社内SNS </div> {% endblock header %} {% block content %} <div class='container'> {% for item in object_list %} <div class="alert alert-success" role="alert"> <p>タイトル：<a href="{% url 'detail' item.pk %}">{{item.title}}</a></p> <p>投稿者：{{item.auther}}</p> <a href="#" class="btn btn-primary btn-lg active" role="button" aria-pressed="true">いいね：{{item.good}}</a> <a href="#" class="btn btn-secondary btn-lg active" role="button" aria-pressed="true">既読：{{item.read}}人</a> </div> {% endfor %} <a href="{% url 'logout' %}">ログアウト</a> </div> {% endblock content %} |
こんな感じ
CreateViewの作成
まずはtemplates内でcreate.htmlを作成する
urlのつなぎこみ
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from django.urls import path from .views import signupfunc, loginfunc, listfunc, logoutfunc, detailfunc, goodfunc, readfunc, BoardCreate urlpatterns = [ path('signup/', signupfunc, name='signup'), path('login/', loginfunc, name='login'), path('list/', listfunc, name='list'), path('logout/', logoutfunc, name='logout'), path('detail/<int:pk>', detailfunc, name="detail"), path('good/<int:pk>', goodfunc, name='good'), path('read/<int:pk>', readfunc, name='read'), path('create/', BoardCreate.as_view(), name='create'), ] |
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from django.shortcuts import render from django.contrib.auth.models import User from django.contrib.auth import authenticate, login, logout from django.shortcuts import redirect from .models import BoardModel from django.contrib.auth.decorators import login_required from django.views.generic import CreateView from django.urls import reverse_lazy # Create your views here. def signupfunc(request): if request.method =='POST': username2 = request.POST['username'] password2 = request.POST['password'] try: User.objects.get(username=username2) return render(request, 'signup.html', {'error':'このユーザーは登録されています'}) except: user = User.objects.create_user(username, '', password2) return render(request, 'signup.html', {'some':100}) return render(request, 'signup.html', {'some':100}) def loginfunc(request): if request.method =='POST': username2 = request.POST['username'] password2 = request.POST['password'] user = authenticate(request, username=username2, password=password2) if user is not None: login(request, user) return redirect('list') else: return redirect('login') return render(request, 'login.html') @login_required def listfunc(request): object_list = BoardModel.objects.all() return render(request, 'list.html', {'object_list':object_list}) def logoutfunc(request): logout(request) return redirect('login') def detailfunc(request, pk): object = BoardModel.objects.get(pk=pk) return render(request, 'detail.html', {'object':object}) def goodfunc(request, pk): post = BoardModel.objects.get(pk=pk) post.good = post.good + 1 post.save() return redirect('list') def readfunc(request, pk): post = BoardModel.objects.get(pk=pk) post2 =request.user.get_username() if post2 in post.readtext: return redirect('list') else: post.read += 1 post.readtext = post.readtext + ' ' + post2 post.save() return redirect('list') class BoardCreate(CreateView): template_name = 'create.html' model = BoardModel fields = ('title', 'content', 'author', 'images') success_url = reverse_lazy('list') |
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{% extends 'base.html'%} {% block content %} <form action ='' method='POST' enctype="multipart/form-data">{% csrf_token %} <p>タイトル：<input type='text' name='title'></p> <p>内容：<input type='text' name='content'></p> <p>画像：<input type='file' name='images'></p> <input type='hidden' name='author' value='({ user.username })'> <input type='submit' value='作成する'> </form> {% endblock content %} |
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from django.db import models # Create your models here. class BoardModel(models.Model): title = models.CharField(max_length=100) content = models.TextField() author = models.CharField(max_length=100) images = models.ImageField(upload_to='') good = models.IntegerField(null=True, blank=True, default=0) read = models.IntegerField(null=True, blank=True, default=0) readtext = models.CharField(max_length=200, null=True, blank=True, default='a') |
models.pyの中身を変えたので、一度makemigrationsが必要になる
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{% extends 'base.html'%} {% block content %} {% if user.is_authenticated %} <form action ='' method='POST' enctype="multipart/form-data">{% csrf_token %} <p>タイトル：<input type='text' name='title'></p> <p>内容：<input type='text' name='content'></p> <p>画像：<input type='file' name='images'></p> <input type='hidden' name='author' value='({ user.username })'> <input type='submit' value='作成する'> </form> {% else %} ログインしてください {% endif %} {% endblock content %} |
ログインしていない場合は、ログインしてくださいというメッセージが出るようにした。
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udemyのやつですか？
コメントありがとうございます。
udemyの
https://www.udemy.com/course/django-3app/
この教材です。
今現在ちょっと分からなくなってしまって、
RubyOnRailsの方を勉強しているところです＾＾；