文章目录
代码目录结构
配置文件
逻辑代码
urls.py
views.py(app01)
models.py
template
publisher_list.html
publisher_add.html
publisher_edit.html
总结
代码目录结构
配置文件
settings.py
LANGUAGE_CODE = 'zh-hans'
逻辑代码
urls.py
from django. contrib import admin
from django. urls import path, re_path
from app01 import views
urlpatterns = [
path( 'admin/' , admin. site. urls) ,
path( 'book_list/' , views. book_list) ,
path( 'book_add/' , views. BookAdd. as_view( ) ) ,
re_path( 'book_edit/(?P\d+)/' , views. BookEdit. as_view( ) ) ,
]
views.py(app01)
from django. shortcuts import render, redirect, HttpResponse
from app01 import models
from django import views
def book_list ( request) :
data = models. Book. objects. all ( )
return render( request, "book_list.html" , locals ( ) )
class BookAdd ( views. View) :
def get ( self, request) :
publish_data = models. Publisher. objects. all ( )
author_data = models. Author. objects. all ( )
return render( request, "book_add.html" , locals ( ) )
def post ( self, request) :
title = request. POST. get( "title" )
publish_date = request. POST. get( "publish_date" )
publisher_id = request. POST. get( "publisher" )
authors = request. POST. getlist( "author" )
book_obj = models. Book. objects. create(
title= title,
publish_date= publish_date,
publisher_id= publisher_id,
)
book_obj. authors. add( * authors)
return redirect( "/book_list/" )
class BookEdit ( views. View) :
def get ( self, request, id ) :
book_obj = models. Book. objects. filter ( id = id ) . first( )
publisher_list = models. Publisher. objects. all ( )
author_list = models. Author. objects. all ( )
return render( request, "book_edit.html" , locals ( ) )
def post ( self, request, id ) :
book_obj = models. Book. objects. filter ( id = id ) . first( )
title = request. POST. get( "title" )
publish_date = request. POST. get( "publish_date" )
publisher_id = request. POST. get( "publisher" )
authors = request. POST. getlist( "author" )
book_obj. title = title
book_obj. publisher_date = publish_date
book_obj. publisher_id = publisher_id
book_obj. save( )
book_obj. authors. set ( authors)
return redirect( "/book_list/" )
models.py
from django. db import models
class Publisher ( models. Model) :
name = models. CharField( max_length= 16 , unique= True , verbose_name= "出版社名称" )
address = models. TextField( verbose_name= "出版社地址" )
class Meta :
verbose_name = "出版社"
verbose_name_plural = verbose_name
def __str__ ( self) :
return self. name
class Author ( models. Model) :
name = models. CharField( max_length= 16 , verbose_name= "姓名" )
gender = models. SmallIntegerField(
choices= ( ( 0 , "女" ) , ( 1 , "男" ) , ( 2 , "保密" ) ) ,
default= 2 ,
verbose_name= "性别"
)
age = models. IntegerField( verbose_name= "年龄" , null= True , blank= True )
class Meta :
verbose_name = "作者"
verbose_name_plural = verbose_name
def __str__ ( self) :
return self. name
class Book ( models. Model) :
title = models. CharField( max_length= 32 , unique= True , verbose_name= "书名" )
publish_date = models. DateField( auto_now_add= True , verbose_name= "出版时间" )
publisher = models. ForeignKey( to= "Publisher" , on_delete= models. CASCADE, verbose_name= "出版社名称" )
authors = models. ManyToManyField( to= "Author" , related_name= "author" , verbose_name= "作者" )
class Meta :
verbose_name = "书籍"
verbose_name_plural = verbose_name
def __str__ ( self) :
return self. title
template
publisher_list.html
< htmllang = " en" > < head> < metacharset = " UTF-8" > < title> title > head > < body> < h1> h1 > < ahref = " /book_add/" > a > < tableborder = " 1" > < tbody> < tr> < td> td > < td> td > < td> td > < td> td > < td> td > < td> td > < td> < ahref = " /book_edit/{{ book.id }}/" > a > < ahref = " /book_del/{{ book.id }}/" > a > td > tr > tbody > table > body > html > publisher_add.html
< htmllang = " en" > < head> < metacharset = " UTF-8" > < title> title > head > < body> < h1> h1 > < formaction = " " method = " post" > < p> < inputtype = " text" name = " title" > p > < p> p > < p> < selectname = " publisher" id = " " > < optionvalue = " {{ datum.id }}" > option > select > p > < p> < selectmultiple name = " author" id = " " > < optionvalue = " {{ datum.id }}" > option > select > p > < inputtype = " submit" value = " 添加" > form > body > html > publisher_edit.html
< htmllang = " en" > < head> < metacharset = " UTF-8" > < title> title > head > < body> < h1> h1 > < formaction = " " method = " post" > < p> < inputtype = " text" name = " title" value = " {{ book_obj.title }}" > p > < p> < inputtype = " date" name = " publish_date" value = {{book_obj.publish_date|date: "Y-m-d"}} > p > < p> < selectname = " publisher" id = " " > < optionselected value = " {{ datum.id }}" > option > < optionvalue = " {{ datum.id }}" > option > select > p > < p> < selectmultiple name = " author" id = " " > < optionselected value = " {{ datum.id }}" > option > < optionvalue = " {{ datum.id }}" > option > select > p > < inputtype = " submit" value = " 保存" > form > body > html > 总结
