1.工程目录
2.urls.py
"""Django_ajax URL ConfigurationThe `urlpatterns` list routes URLs to views. For more information please see:
https://docs.djangoproject.com/en/2.1/topics/http/urls/
Examples:
Function views
1. Add an import: from my_app import views
2. Add a URL to urlpatterns: path('', views.home, name='home')
Class-based views
1. Add an import: from other_app.views import Home
2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')
Including another URLconf
1. Import the include() function: from django.urls import include, path
2. Add a URL to urlpatterns: path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path
from app01 import viewsurlpatterns = [
path('admin/', admin.site.urls), path('students/', views.students),
path('add_student/', views.add_student),
path('del_student/', views.del_student),
path('edit_student/', views.edit_student),
path('edit_student/', views.edit_student),]
3.views.py
from django.shortcuts import render, HttpResponse, redirect
from app01 import models
import json
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger# Create your views here.class CustomPaginator(Paginator):
def __init__(self, current_page, show_page_num, *args, **kwargs):
self.current_page = current_page
self.show_page_num = show_page_num
super(CustomPaginator, self).__init__(*args, **kwargs)
print('current_page:', current_page)
print('show_page_num:', show_page_num) def pager_num_range(self): if self.current_page-self.show_page_num > 0 and self.current_page+self.show_page_num <= self.num_pages:
limit_left = int(self.current_page-self.show_page_num/2)
limit_right = int(self.current_page + self.show_page_num/2+1)
elif self.current_page-self.show_page_num <= 0:
limit_left = 1
limit_right = 1 + self.show_page_num+1
elif self.current_page+self.show_page_num > self.num_pages:
limit_right = self.num_pages+1
limit_left = self.num_pages-self.show_page_num return range(limit_left, limit_right)def students(request): current_page = request.GET.get('p')
num_A_page = request.GET.get('n')
show_page_num = 10 if num_A_page == None:
num_A_page = 10 paginator = CustomPaginator(int(current_page), show_page_num, models.Student.objects.all(), num_A_page)
try:
posts = paginator.page(current_page)
except PageNotAnInteger:
posts = paginator.page(1)
except EmptyPage:
posts = paginator.page(paginator.num_pages) cls_list = models.Classes.objects.all()
return render(request, 'students.html', {'posts': posts, 'cls_list': cls_list})def add_student(request):
print(request.POST)
response = {'status': True, 'message': None, 'data': None}
try: u = request.POST.get('stu_username')
a = request.POST.get('stu_age')
g = request.POST.get('gender')
c = request.POST.get('cls_id')
print('-------------', u, a, g, c)
obj = models.Student.objects.create(username=u, age=a, gender=g, cs_id=c)
response['data'] = obj.id except Exception as e:
response['status'] = False
response['message'] = '用户输入错误!' result = json.dumps(response, ensure_ascii=False)
return HttpResponse(result)def del_student(request):
response = {'status': True, 'message': None, 'data': None} nid = request.GET.get('nid')
models.Student.objects.filter(id=nid).delete() result = json.dumps(response, ensure_ascii=False) return HttpResponse(result)def edit_student(request):
print(request.POST)
response = {'status': True, 'message': None, 'code': 1000}
try:
nid = request.POST.get('nid')
u = request.POST.get('user')
a = request.POST.get('age')
g = request.POST.get('gender')
c = request.POST.get('edit_cls_id')
print('-------------', u, a, g, c) models.Student.objects.filter(id=nid).update(username=u, age=a, gender=g, cs_id=c) except Exception as e:
response['status'] = False
response['code'] = 1001
response['message'] = '用户输入错误!' import json
result = json.dumps(response, ensure_ascii=False) return HttpResponse(result)
4.models.py
from django.db import models# Create your models here.class Classes(models.Model):
title = models.CharField(max_length=32)
m = models.ManyToManyField('Teachers')class Teachers(models.Model):
name = models.CharField(max_length=32)class Student(models.Model):
username = models.CharField(max_length=32)
age = models.IntegerField()
gender = models.BooleanField()
cs = models.ForeignKey(Classes, on_delete=models.CASCADE)
5.在static文件夹中加入jquery-3.3.1.js、创建plugins文件夹，在该文件夹下加入要使用是前端框架。
链接：https://pan.baidu.com/s/1PrYlNmW3FyOlvkQhb7KYiQ
提取码：1cc9
6.生成数据库中的表
在pycharm中的Terminal中输入：
python manage.py makemigrationspython manage.py migrate
7.运行服务器：
在pycharm中的Terminal中输入：
python manage.py runserver 8081
运行成功
8.访问效果：
