基于python django学生信息管理系统源码.zip

from django.contrib.auth.handlers.modwsgi import check_password from django.contrib.auth.hashers import make_password from django.core.files.storage import FileSystemStorage from django.http import HttpResponse from django.shortcuts import render, redirect, get_object_or_404 from app01.models import UserInfo, Students from app01.utils.helper import check_code from .form import MyLoginModelForm, RegisterForm, MyStudentsModelForm from app01.utils.encrypt import md5 from app01.utils.encrypt import EncryptionUtilWithDjango from django.db.models import Q from django.core.paginator import Paginator, PageNotAnInteger, EmptyPage # Create your views here.视图函数 def index(request): return render(request, "index.html") def login(request): if request.method == 'GET': # pass # 窗口类 form = MyLoginModelForm() return render(request, 'login.html', {'form': form}) else: # post form = MyLoginModelForm(data=request.POST) if form.is_valid(): username = request.POST.get('username') pwd = request.POST.get('pwd') # 获取用户输入的明文密码 print(form.cleaned_data['username'], form.cleaned_data['pwd']) # 判断验证码是否正确 image_code = request.session.get("image_code") if not image_code: form.add_error("code", "验证码已过期") return render(request, 'login.html', {"form": form}) if image_code.upper() != form.cleaned_data['code'].upper(): form.add_error("code", "验证码错误") return render(request, 'login.html', {"form": form}) # 验证码正确，去数据库校验用户名和密码 pwd = md5(pwd) obj_user = UserInfo.objects.filter(username=username, password=pwd).first() # 获取用户信息 if obj_user: # 使用check_password()方法进行密码验证 request.session['id'] = obj_user.id return redirect('slist') else: error = '用户名或密码不正确' return render(request, 'login.html', {'form': form, 'error': error}) else: return render(request, 'login.html', {'form': form}) def image_code(request): print('enter image_code') # 1.生成图片 image_object, code_str = check_code() # 2.图片内容返回写入内存，从内存读取并返回 from io import BytesIO stream = BytesIO() image_object.save(stream, 'png') # 3.图片的内容写入session中 + 60s request.session['image_code'] = code_str request.session.set_expiry(60) return HttpResponse(stream.getvalue()) def register(request): if request.method == 'POST': form = RegisterForm(request.POST, request.FILES) if form.is_valid(): avatar = request.FILES.get('avatar') # 加密密码 password = md5(form.cleaned_data['password']) if avatar: fs = FileSystemStorage(location='media/avatars') filename = fs.save(avatar.name, avatar) avatar_url = fs.url(filename) else: avatar_url = None # 创建用户 user = UserInfo.objects.create( username=form.cleaned_data['username'], password=password, limits=form.cleaned_data['limits'], avatar=avatar_url ) # 跳转到登录页面 return redirect('login') else: print(request.POST) print(form.errors) else: form = RegisterForm() return render(request, 'register.html', {'form': form}) def stu_list(request): student_list = Students.objects.all() paginator = Paginator(student_list, 7) page_number = request.GET.get('page') page_obj = paginator.get_page(page_number) return render(request, 'stu_list.html', {'page_obj': page_obj}) # return render(request, 'stu_list.html', {"students": student_list}) def stu_add(request): if request.method == 'GET': form = MyStudentsModelForm() return render(request, 'stu_add.html', {'form': form}) else: # post请求 form = MyStudentsModelForm(data=request.POST) if form.is_valid(): form.save() print('save success!') return redirect('slist') else: print('验证出错！', form.errors) return render(request, 'stu_add.html', {'form': form}) def stu_mod(request, sid): stu_obj = Students.objects.filter(sid=sid).first() if request.method == 'GET': form = MyStudentsModelForm(instance=stu_obj) return render(request, 'stu_mod.html', {'form': form}) form = MyStudentsModelForm(data=request.POST, instance=stu_obj) if form.is_valid(): form.save() return redirect('slist') else: return render(request, 'stu_mod.html', {'form': form}) def stu_del(request, sid): Students.objects.filter(sid=sid).delete() return redirect('slist') def stu_search(request): item = request.GET.get('item', '') query = request.GET.get('query', '') page_number = request.GET.get('page', 1) # if 有值会执行第一个分支，永远不会进入第二个分支，所以and不能放中间 if item and query: students_list = Students.objects.filter(Q(name__icontains=item) & Q(sid__icontains=query)) elif item: students_list = Students.objects.filter(Q(name__icontains=item)) request.session.pop('query', None) elif query: students_list = Students.objects.filter(Q(sid__icontains=query)) else: students_list = Students.objects.all() paginator = Paginator(students_list, 10) page_obj = paginator.get_page(page_number) context = { 'form': MyStudentsModelForm(), 'page_obj': page_obj, 'item': item, 'query': query } return render(request, 'stu_search.html', context)