django from组件 实现增加 删除 编辑（推荐用法）
实现效果：
代码示例：
代码：
models.py
from django.db import models
class UserInfo(models.Model):
username = models.CharField(max_length=32)
email = models.EmailField(max_length=32)
urls.py
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
url(r'^admin/', admin.site.urls),
url(r'^users/', views.users),
url(r'^add_user/', views.add_user),
url(r'^edit_user-(\d+)/', views.edit_user),
]
views.py
from django.shortcuts import render
from django.shortcuts import redirect
from app01 import models
from app01.forms import UserForm
def users(request):
user_list = models.UserInfo.objects.all()
return render(request,'users.html',{'user_list':user_list})
def add_user(request):
if request.method == 'GET':
obj = UserForm()
return render(request,'add_user.html',{'obj':obj})
else:
obj = UserForm(request.POST)
if obj.is_valid():
models.UserInfo.objects.create(**obj.cleaned_data)
return redirect('/users/')
else:
return render(request,'add_user.html',{'obj':obj})
def edit_user(request,nid):
if request.method == "GET":
data = models.UserInfo.objects.filter(id=nid).first()
obj = UserForm({'username':data.username,'email':data.email})
return render(request,'edit_user.html',{'obj':obj,'nid':nid})
else:
obj = UserForm(request.POST)
if obj.is_valid():
models.UserInfo.objects.filter(id=nid).update(**obj.cleaned_data)
return redirect('/users/')
else:
return render(request,'edit_user.html',{'obj':obj,'nid':nid})
forms.py
from django import forms as dforms
from django.forms import fields
class UserForm(dforms.Form):
username = fields.CharField()
email = fields.EmailField()
users.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<a href="/add_user/">添加</a>
<ul>
{% for row in user_list %}
<li>{{ row.id }}-{{ row.username }}-{{ row.email }} <a href="/edit_user-{{ row.id }}/">编辑</a></li>
{% endfor %}
</ul>
</body>
</html>
add_user.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="/add_user/" method="post" novalidate>
{% csrf_token %}
<p>{{ obj.username }}{{ obj.errors.username.0 }}</p>
<p>{{ obj.email }}{{ obj.errors.email.0 }}</p>
<input type="submit" value="提交" />
</form>
</body>
</html>
edit_user.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="/edit_user-{{ nid }}/" method="POST" novalidate>
{% csrf_token %}
<p>{{ obj.username }}{{ obj.errors.username.0 }}</p>
<p>{{ obj.email }}{{ obj.errors.email.0 }}</p>
<input type="submit" value="提交" />
</form>
</body>
</html>
