用django代码写一个云笔记项目: 用户可以在该系统注册、登录,登录后可以在里面写日记,包括对日记的增删改查 需求分解: 模块1:用户模块 功能:用户注册、用户登录 字段:用户名、密码 界面:一般的简单注册登录界面即可 模块2 :云笔记模块 功能:展示首页、对笔记进行增删改查 字段:标题、内容、新增时间、修改时间 界面: 首页要求未登录状态显示登录和注册按钮,已登录状态显示欢迎用户以及查看笔记按钮; 笔记列表界面要求用表格展示所有笔记,并且每个笔记包含修改和删除按钮,界面顶部显示欢迎用户以及新增笔记按钮; 新增和修改界面要求包含标题、内容以及提交按钮;
时间: 2023-05-25 12:05:38 浏览: 55
模块1:用户模块
models.py:
```python
from django.db import models
from django.contrib.auth.models import AbstractUser
class User(AbstractUser):
pass
```
forms.py:
```python
from django import forms
from django.contrib.auth.forms import UserCreationForm
from .models import User
class UserRegisterForm(UserCreationForm):
email = forms.EmailField()
class Meta:
model = User
fields = ['username', 'email', 'password1', 'password2']
class UserLoginForm(forms.Form):
username = forms.CharField(max_length=30)
password = forms.CharField(widget=forms.PasswordInput)
```
views.py:
```python
from django.shortcuts import render, redirect
from django.contrib.auth import authenticate, login, logout
from .forms import UserRegisterForm, UserLoginForm
def register(request):
if request.method == 'POST':
form = UserRegisterForm(request.POST)
if form.is_valid():
form.save()
return redirect('login')
else:
form = UserRegisterForm()
return render(request, 'register.html', {'form': form})
def user_login(request):
if request.method == 'POST':
form = UserLoginForm(request.POST)
if form.is_valid():
cleaned_data = form.cleaned_data
username = cleaned_data['username']
password = cleaned_data['password']
user = authenticate(request, username=username, password=password)
if user is not None:
login(request, user)
return redirect('home')
else:
form = UserLoginForm()
return render(request, 'login.html', {'form': form})
def user_logout(request):
logout(request)
return redirect('login')
```
模板文件:register.html
```html
{% extends 'base.html' %}
{% block content %}
<form method="post">
{% csrf_token %}
{{ form.as_p }}
<button type="submit">Register</button>
</form>
{% endblock %}
```
模板文件:login.html
```html
{% extends 'base.html' %}
{% block content %}
<form method="post">
{% csrf_token %}
{{ form.as_p }}
<button type="submit">Login</button>
</form>
{% endblock %}
```
模板文件:base.html
```html
{% if user.is_authenticated %}
<p>Welcome {{ user.username }}!</p>
<a href="{% url 'logout' %}">Logout</a>
{% else %}
<a href="{% url 'register' %}">Register</a>
<a href="{% url 'login' %}">Login</a>
{% endif %}
```
模块2:云笔记模块
models.py:
```python
from django.db import models
from django.utils import timezone
from .models import User
class Note(models.Model):
title = models.CharField(max_length=100)
content = models.TextField()
created_time = models.DateTimeField(default=timezone.now)
modified_time = models.DateTimeField(default=timezone.now)
author = models.ForeignKey(User, on_delete=models.CASCADE)
def __str__(self):
return self.title
```
forms.py:
```python
from django import forms
from .models import Note
class NoteForm(forms.ModelForm):
class Meta:
model = Note
fields = ['title', 'content']
```
views.py:
```python
from django.shortcuts import render, redirect, get_object_or_404
from django.contrib.auth.decorators import login_required
from .models import Note
from .forms import NoteForm
def home(request):
if request.user.is_authenticated:
notes = Note.objects.filter(author=request.user)
return render(request, 'notes/home.html', {'notes': notes})
return render(request, 'notes/home.html')
@login_required
def add_note(request):
if request.method == 'POST':
form = NoteForm(request.POST)
if form.is_valid():
note = form.save(commit=False)
note.author = request.user
note.save()
return redirect('home')
else:
form = NoteForm()
return render(request, 'notes/note_form.html', {'form': form})
@login_required
def edit_note(request, pk):
note = get_object_or_404(Note, pk=pk, author=request.user)
if request.method == 'POST':
form = NoteForm(request.POST, instance=note)
if form.is_valid():
form.save()
return redirect('note_detail', pk=note.pk)
else:
form = NoteForm(instance=note)
return render(request, 'notes/note_form.html', {'form': form})
@login_required
def delete_note(request, pk):
note = get_object_or_404(Note, pk=pk, author=request.user)
note.delete()
return redirect('home')
@login_required
def note_detail(request, pk):
note = get_object_or_404(Note, pk=pk, author=request.user)
return render(request, 'notes/note_detail.html', {'note': note})
```
模板文件:notes/home.html
```html
{% extends 'base.html' %}
{% block content %}
{% if user.is_authenticated %}
<h2>Welcome {{ user.username }}!</h2>
<a href="{% url 'add_note' %}">New Note</a>
<table>
<tr>
<th>Title</th>
<th>Created Time</th>
<th>Modified Time</th>
<th></th>
<th></th>
</tr>
{% for note in notes %}
<tr>
<td><a href="{% url 'note_detail' pk=note.pk %}">{{ note.title }}</a></td>
<td>{{ note.created_time }}</td>
<td>{{ note.modified_time }}</td>
<td><a href="{% url 'edit_note' pk=note.pk %}">Edit</a></td>
<td><a href="{% url 'delete_note' pk=note.pk %}">Delete</a></td>
</tr>
{% endfor %}
</table>
{% else %}
<h2>Welcome to the Notes App!</h2>
<a href="{% url 'login' %}">Login</a>
{% endif %}
{% endblock %}
```
模板文件:notes/note_detail.html
```html
{% extends 'base.html' %}
{% block content %}
<h2>{{ note.title }}</h2>
<p>{{ note.content }}</p>
<p>Created Time: {{ note.created_time }}</p>
<p>Modified Time: {{ note.modified_time }}</p>
<a href="{% url 'edit_note' pk=note.pk %}">Edit</a>
<a href="{% url 'delete_note' pk=note.pk %}">Delete</a>
{% endblock %}
```
模板文件:notes/note_form.html
```html
{% extends 'base.html' %}
{% block content %}
<form method="post">
{% csrf_token %}
{{ form.as_p }}
<button type="submit">Save</button>
</form>
{% endblock %}
```