settings.py配置
1.当前app的应用名称添加进去
INSTALLED_APPS = [
app01, #简写就行
]
2.MIDDLEWARE中把csrf注释掉，防止post请求发送失败
3.DATABASES = {
'dafault':{
'ENGINE':'django.db.backend.mysql',
'NAME':'booksys', #数据库名称
'HOST':'127.0.0.1',#ip
'PORT'：3306, #端口
'USER':'root',
'PASSWORD':'666',
'CHARSET':'utf-8',
}
}
4.静态文件路径的配置
STATIC_URL = '/static/'
STATICFILES_DIRS=[
os.path.join(BASE_DIR,'static'),#里面的static表示的是你自己创的静态文件名称
]
models.py文件
from django.db import models
class Book(models.Model):
id = models.AutoField(primary_key=True)#可以不写默认会自动创建
title = models.CharField(max_length=64,null=True)
state = models.BooleanField(default=True)
pub_date = models.DateField(null=True)
price=models.DecimalField(max_digits=8,decimal_places=2,null=True)
publish = models.CharField(max_length=32)
def __str__(self):
return self.title +'价格'+str(self.price)
url配置
from django.conf.urls import url
from django.contrib import admin
from app01 import views
urlpatterns = [
#展示
url(r'^book_list',views.book_list,name='book_list'),
#添加
url(r'^add_book',views.add_book,name='add_book'),
#修改
url(r'^edit_book/(d+)/',views.edit_book,name='edit_book'),
#删除
url(r'^delete_book/(d+)/',views.delete_book,name='delete_book'),
]
views视图函数
from django.shortcuts import render,HttpResponse,redirect
from app01 import models
from django.urls import reverse #url别名反向解析，通过name别名对应的数据，解析出我们的url路径
#展示
def book_list(request):
books=models.Book.objects.all()
return render(request,'book_list.html',{'books':books})
#添加
def add_book(request):
if request.method == 'GET':
return render(request,'add_book.html')
else:
print(request.POST)#获取post请求过来的数据QueryDict类型
title = request.POST.get('title')
price = request.POST.get('price')
pub_date = request.POST.get('pub_date')
publish = request.POST.get('publish')
#操作模型类，添加数据
ret = models.Book.objects.create(
title=title,
price=price,
pub_date=pub_date,
publish=publish,
)
return redirect('/book_list/')#重定向
#编辑页面
def edit_book(request,id):
obj_list = models.Book.objects.filter(pk=id)#pk就相当于数据库中字段id
if request.method == 'GET':
obj = obj_list.first() #获取queryset类型中第一个模型类对象
return render(request,'edit_book.html',{'obj':obj})
else:
print(request.POST.dict())#dict()方法能将QueryDict类型数据转换为普通字典类型数据,这边用dict()方法是因为price是decimal类型数据,
#print(type(request.POST))#querydict类型
obj_list.update(**request.POST.dict())
return redirect('book_list')#通过redirect来进行页面跳转时，redirect方法里面直接写url别名就可以，内部会自动帮我们完成url别名反向解析
def delete_book(request,id):
models.Book.objects.filter(pk=id).delete()
return redirect('book_list')
{% load static %} #加载静态文件
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<title>Title</title>
<link rel='stylesheet' href="{% static 'bootstrap下的css样式路径'%}">
</head>
<body>
<div class="container">
<h1>书籍展示</h1>
<div class="col-md-8 col-md-offset-2">
<a href={% url 'add_book' %} class='btn btn-primary'>添加书籍</a>
<table style="margin-top: 10px;" class="table table-bordered table-striped table-hover">
<thead>
<tr>
<th>编号</th>
<th>书籍名称</th>
<th>价格</th>
<th>出版日期</th>
<th>出版社</th>
<th>操作</th>
</tr>
</thead>
<tbody>
{% for book in books %}
<tr>
<td>{{ forloop.counter }}</td>
<td>{{ book.title }}</td>
<td>{{ book.price }}</td>
<td>{{ book.pub_date|date:'Y-m-d' }}</td>
<td>{{ book.publish }}</td>
<td>
<a href="{% url 'edit_book' book.id %}" class="btn btn-warning">编辑</a>
<a href="{% url 'delete_book' book.pk %}" class="btn btn-danger">删除</a>
</td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>
{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="{% static 'plugins/bootstrap-3.3.7-dist/css/bootstrap.min.css' %}">
</head>
<body>
<div class="container">
<h1>添加书籍</h1>
<div class="row">
<div class="col-md-8 col-md-offset-2">
<form action="/add_book/" method="post">
<div class="form-group">
<label for="title">书籍名称</label>
<input type="text" class="form-control" id="title" placeholder="书籍名称" name="title">
</div>
<div class="form-group">
<label for="price">价格</label>
<input type="text" class="form-control" id="price" placeholder="书籍名称" name="price">
</div>
<div class="form-group">
<label for="pub_date">出版日期</label>
<input type="date" class="form-control" id="pub_date" placeholder="书籍名称" name="pub_date">
</div>
<div class="form-group">
<label for="publish">出版社</label>
<input type="text" class="form-control" id="publish" placeholder="书籍名称" name="publish">
</div>
<button class="btn btn-success pull-right">提交</button>
</form>
</div>
</div>
</div>
</body>
</html>
{% load static %}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="{% static 'plugins/bootstrap-3.3.7-dist/css/bootstrap.min.css' %}">
</head>
<body>
<div class="container">
<h1>编辑书籍</h1>
<div class="row">
<div class="col-md-8 col-md-offset-2">
{# <form action="/edit_book/{{ id }}/" method="post">#}
{# <form action="{% url 'edit_book' id %}" method="post">#}
{# <form action="{% url 'edit_book' obj.id %}" method="post">#}
{# <form action="{% url 'edit_book' obj.pk %}" method="post">#}
<div class="form-group">
<label for="title">书籍名称</label>
<input type="text" class="form-control" id="title" placeholder="书籍名称" name="title" value="{{ obj.title }}">
</div>
<div class="form-group">
<label for="price">价格</label>
<input type="text" class="form-control" id="price" placeholder="价格" name="price" value="{{ obj.price }}">
</div>
<div class="form-group">
<label for="pub_date">出版日期</label>
<input type="date" class="form-control" id="pub_date" placeholder="出版日期" name="pub_date" value="{{ obj.pub_date|date:'Y-m-d' }}">
</div>
<div class="form-group">
<label for="publish">出版社</label>
<input type="text" class="form-control" id="publish" placeholder="出版社" name="publish" value="{{ obj.publish }}">
</div>
<button class="btn btn-success pull-right">提交</button>
</form>
</div>
</div>
</div>
</body>
</html>
知识点
request.POST.dict() #dict()方法可以将QueryDict类型数据转换为普通字典
obj_list.update(
**request.POST.dict() #打散的形式传参 k=v
)