首页，其他页面全部继承首页的上半部分

 

点击发布图书页面

 

首页点击书名，跳转到图书信息界面，该界面可删除图书

 

项目结构

 

#views.pyfrom django.shortcuts import render,redirect,reversefrom django.db import connectiondef get_cursor():    return connection.cursor()def index(request):  #首页    cursor=get_cursor()    cursor.execute("select * from book")    books=cursor.fetchall()    return render(request,'index.html',context={
   "books":books})def add_book(request):#发布图书    if request.method == 'GET':        return render(request,'add_book.html')    else:        name = request.POST.get('name')        author = request.POST.get('author')        cursor=get_cursor()        cursor.execute("insert into book values(null,'%s','%s')"%(name,author))        return redirect(reverse('index'))#发布图书完成后跳转到首页def book_detail(request,book_id):    cursor=get_cursor()    cursor.execute("select * from book where id=%s"%book_id)    book=cursor.fetchone()    return render(request,'book_detail.html',context={
   "book":book})def delete_book(request):#删除图书    if request.method=='POST':        book_id=request.POST.get('book_id')        cursor=get_cursor()        cursor.execute("delete from book where id=%s"%book_id)        return redirect(reverse('index'))#删除图书后跳转到首页    else:        raise RuntimeError("删除图书的method错误!")

 

urls.pyfrom front import viewsurlpatterns = [    path('', views.index,name='index'),    path('add_book/',views.add_book,name='add_book'),    path('book_detail/
     
      ',views.book_detail,name='book_detail'),    path('delete_book',views.delete_book,name='delete_book')]
     

 

项目静态文件index.css

*{
   margin:0;  padding:0;}.nav {
       background: #3a3a3a;    height: 65px;    overflow: hidden}.nav li{
       float:left;    list-style: none;    margin: 0 20px;    line-height: 65px;}.nav li a{
       color: #fff;    text-decoration: none}

 

模板html，其他模板均继承这个模板

{% load  static %}    
             
     
     
    
      
         
       
首页
         
       
发布图书
    
      
     
{% block content %}{% endblock %}

 

首页模板

{% extends 'base.html' %}{% block content %}
     
           {% for book in books %}        
    {% endfor %}
      
           
                
序号
                
书名
                
作者
           
      
      
       
                    
{
   { forloop.counter }}
                    
{
   { book.1 }}
                    
{
   { book.2 }}
               
      
     
{% endblock %}

 

发布图书模板

{% extends 'base.html' %}{% block content %}    
     
        
      
                   
                        
                           
书名：
                           
                        
                        
                           
作者：
                           
                        
                        
                           
                           
                        
                   
              
    
     
{% endblock %}

 

 图书详情模板，该模板可删除图书

{% extends 'base.html' %}{% block content %}
书名：{
   { book.1 }}
作者：{
   { book.2 }}
    
     
        
              
          
     
{% endblock %}