修改 classes.html
{% extends "layout.html" %}{% block css %}{% endblock %}{% block content %} 班级管理
| ID | 标题 | |
|---|---|---|
| { { item.id }} | { { item.caption }} | 编辑| 跳转编辑|删除 |
{ { str_pager|safe }}
{% endblock %}{% block js %} {% endblock %} 修改 urls.py
from django.contrib import adminfrom django.urls import pathfrom app01 import viewsurlpatterns = [ path('admin/', admin.site.urls), path('login.html', views.Login.as_view()), path('index.html', views.index), path('classes.html', views.handle_classes), path('add_classes.html', views.handle_add_classes), path('edit_classes.html', views.handle_edit_classes), path('student.html', views.handle_student), path('teacher.html', views.handle_teacher),] 修改 views.py
from django.shortcuts import render, redirect, HttpResponse# Create your views here.from app01 import modelsfrom django import viewsfrom django.utils.decorators import method_decoratordef outer(func): def inner(request, *args, **kwargs): print(request.method) return func(request, *args, **kwargs) return innerclass Login(views.View): def dispatch(self, request, *args, **kwargs): # print(11111111111) ret = super(Login, self).dispatch(request, *args, **kwargs) # print(22222222222) return ret def get(self, request, *args, **kwargs): print('GET') return render(request, 'login.html', {'msg': ''}) def post(self, request, *args, **kwargs): print('POST') user = request.POST.get('user') pwd = request.POST.get('pwd') c = models.Administrator.objects.filter(username=user, password=pwd).count() if c: request.session['is_login'] = True request.session['username'] = user rep = redirect('/index.html') return rep else: message = "用户名或密码错误" return render(request, 'login.html', {'msg': message})def auth(func): def inner(request, *args, **kwargs): is_login = request.session.get('is_login') if is_login: return func(request, *args, **kwargs) else: return redirect('/login.html') return innerdef index(request): current_username = request.session.get('username') if current_username: return render(request, 'index.html', {'username': current_username}) else: return redirect('/login.html')@authdef handle_classes(request): if request.method == "GET": current_user = request.session.get('username') # 获取所有的班级列表 # for l in range(1, 102): # models.Classes.objects.create(caption='全栈一班%i' %(l)) current_page = request.GET.get('p', 1) current_page = int(current_page) # 所有数据的个数 total_count = models.Classes.objects.all().count() from utils.page import PagerHelper obj = PagerHelper(total_count, current_page, '/classes.html', 10) pager = obj.pager_str() cls_list = models.Classes.objects.all()[obj.db_start:obj.db_end] return render(request, 'classes.html', {'username': current_user, 'cls_list': cls_list, 'str_pager': pager}) elif request.method == "POST": # Form 表单提交的处理方式 """ caption = request.POST.get('caption', None) models.Classes.objects.create(caption=caption) return redirect('/classes.html') """ # Ajax 提交的方式处理 import json response_dict = {'status': True, 'error': None, 'data': None} caption = request.POST.get('caption', None) # 判断是更新或者是添加操作 nid = request.POST.get('id', None) # 更新操作 if nid and caption: obj = models.Classes.objects.filter(id=nid).update(caption=caption) # print(nid) # print(caption) response_dict['data'] = {'id': nid, 'caption': caption} # 添加操作 elif caption: obj = models.Classes.objects.create(caption=caption) # print(obj.id) # print(obj.caption) response_dict['data'] = {'id': obj.id, 'caption': obj.caption} else: response_dict['status'] = False response_dict['error'] = "标题不能为空" return HttpResponse(json.dumps(response_dict))@authdef handle_add_classes(request): message = "" if request.method == 'GET': return render(request, 'add_classes.html', {'msg': message}) elif request.method == 'POST': caption = request.POST.get('caption') if caption: models.Classes.objects.create(caption=caption) else: message = '标题不能为空' return render(request, 'add_classes.html', {'msg': message}) return redirect('/classes.html') else: return redirect('/index.html')# 通过url进行更新操作@authdef handle_edit_classes(request): if request.method == "GET": nid = request.GET.get('nid') obj = models.Classes.objects.filter(id=nid).first() return render(request, 'edit_classes.html', {'obj': obj}) elif request.method == "POST": nid = request.POST.get('nid') caption = request.POST.get('caption') models.Classes.objects.filter(id=nid).update(caption=caption) return redirect('/classes.html') else: return redirect('/index.html')def handle_teacher(request): is_login = request.session.get('is_login') if is_login: current_user = request.session.get('username') return render(request, 'teacher.html', {'username':current_user}) else: return redirect('/login.html')def handle_student(request): is_login = request.session.get('is_login') if is_login: current_user = request.session.get('username') return render(request, 'student.html', {'username':current_user}) else: return redirect('/login.html') 在 templates 文件夹下添加 edit_classes.html
{% extends "layout.html" %}{% block css %}{% endblock %}{% block content %} 编辑班级
{% endblock %}{% block js %} {% endblock %} 通过 ajax 方式来更新操作
通过 url 的方式来更新操作
