毕业设计：基于python在线网盘系统+资料上传下载管理系统+Django框架（源码）✅_python毕业设计源码网盘提取

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1、项目介绍

技术栈：
Python语言、Django框架、MySQL数据库、上传下载、个人空间、仿百度网盘、文件分享、链接分享
功能模块：
（1）我的云盘
（2）传输历史-----上传下载
（3）上传本地电脑文件功能
（4）文件分享-----链接分享或者口令分享，可以设置分享有效期
（5）通过口令接受分享的文件
（6）用户个人信息
（7）后台管理
（8）用户文件夹管理
（9）系统注册登录

2、项目界面

（1）我的云盘

（2）传输历史-----上传下载

（3）上传本地电脑文件功能

（4）文件分享-----链接分享或者口令分享，可以设置分享有效期

（5）通过口令接受分享的文件

（6）用户个人信息

（7）后台管理

（8）用户文件夹管理

（9）系统注册登录

3、项目说明

Python在线网盘系统是一个功能丰富、基于Django框架和MySQL数据库的云存储解决方案。该系统以Python语言开发，旨在为用户提供安全、便捷的文件存储、分享和管理服务，类似于百度网盘的用户体验。以下是该系统的详细介绍：

1. 技术栈优势
   Python语言：作为一种高级编程语言，Python语法简洁、易读性强，同时拥有庞大的第三方库支持，能够快速构建高效、稳定的应用系统。
   Django框架：Django是一个高级Web框架，它鼓励快速开发和简洁、务实的设计。它提供了丰富的功能和工具，帮助开发者快速构建Web应用。
   MySQL数据库：MySQL是一个开源的关系型数据库管理系统，具有高性能、稳定性和易用性，适用于各种规模的应用场景。
2. 功能模块
   （1）我的云盘
   用户可以在云盘中存储和管理自己的文件，包括文档、图片、视频等。

（2）传输历史
用户可以查看自己的上传和下载历史记录，方便追踪和管理文件传输情况。

（3）上传本地电脑文件功能
支持用户从本地电脑选择文件并上传到云盘，支持多文件同时上传和断点续传功能。

（4）文件分享
用户可以将自己的文件通过链接或口令的方式分享给其他人。分享时可以设置分享有效期，保护文件安全。

（5）通过口令接受分享的文件
接收者可以通过分享的口令访问并下载分享的文件，无需注册或登录系统。

（6）用户个人信息
用户可以查看和编辑自己的个人信息，包括头像、昵称、联系方式等。

（7）后台管理
管理员可以通过后台管理系统对用户、文件、分享等进行管理和监控，确保系统的正常运行和数据安全。

（8）用户文件夹管理
用户可以在云盘中创建、重命名、移动和删除文件夹，以便更好地组织和管理自己的文件。

（9）系统注册登录
用户可以通过注册账号并登录系统来使用云盘服务。系统支持多种注册方式，如手机号、邮箱等，并提供了密码找回功能。

3. 系统特点
   安全性：系统采用多种安全措施保护用户数据和文件安全，如数据加密、访问控制等。
   易用性：系统界面简洁明了，操作流程简单易懂，用户无需特殊培训即可快速上手。
   扩展性：系统采用模块化设计，易于扩展和定制，可以根据用户需求进行二次开发。
   高性能：系统采用高效的算法和数据结构，支持大规模并发访问和数据存储。
   Python在线网盘系统是一个功能强大、安全可靠的云存储解决方案，可以满足用户在日常工作和学习中的文件存储、分享和管理需求。

4、核心代码

from datetime import timedelta
from json import loads as json_loads
from pathlib import Path
from shutil import rmtree, make_archive, move as file_move

from django.conf import settings
from django.contrib.auth import authenticate, login, logout
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.auth.models import User
from django.core.exceptions import ObjectDoesNotExist
from django.core.signing import BadSignature, Signer
from django.http import FileResponse
from django.shortcuts import render
from django.utils import timezone
from django.views.generic import View, TemplateView, RedirectView
from rest_framework.permissions import IsAuthenticated
from rest_framework.viewsets import ModelViewSet

from pan.forms import UserBaseForm, InfoForm, AvatarForm, PasswordForm
from pan.models import (GenericFile, UserFile, UserDir, FileShare, ShareRecord,
                        FileType, UserApproval, UserMessage, Notice)
from pan.serializers import FileSerializer, FileShareSerializer, FolderSerializer, NoticeSerializer
from pan.utils import AjaxObj, get_key_signature, get_dir_size, file_size_format


class IndexView(TemplateView):
    """首页"""
    template_name = 'pan/index.html'


class CloudView(LoginRequiredMixin, TemplateView):
    """云盘"""
    template_name = 'pan/cloud.html'


class HistoryView(LoginRequiredMixin, TemplateView):
    """传输历史"""
    template_name = 'pan/history.html'


class BinView(LoginRequiredMixin, TemplateView):
    """回收站"""
    template_name = 'pan/bin.html'


class FileDetailView(LoginRequiredMixin, TemplateView):
    """文件详情"""
    template_name = 'pan/detail.html'


class ProfileView(LoginRequiredMixin, TemplateView):
    """个人信息"""
    template_name = 'pan/profile.html'

    def get_context_data(self, **kwargs):
        context = super().get_context_data()
        role = self.request.user.profile.role.role_key
        if role == 'common':
            context['applied'] = UserApproval.objects.filter(state='0', create_by=self.request.user).exists()
        context['role'] = role
        context['record'] = UserApproval.objects.filter(create_by=self.request.user)
        context['message'] = UserMessage.objects.filter(create_by=self.request.user)
        return context


class ShareLinkView(TemplateView):
    """链接获取分享文件"""
    template_name = 'pan/share.html'

    def get_context_data(self, **kwargs):
        signature = self.kwargs.get('signature')
        context = super().get_context_data()
        try:
            share = FileShare.objects.select_related('user_file').get(secret_key=Signer().unsign(signature))
        except BadSignature:
            context['expired'] = True
            return context
        expired = timezone.now() > share.expire_time
        if not expired:
            if self.request.user.is_authenticated:
                ShareRecord.objects.create(file_share=share, recipient=self.request.user)
            else:
                ShareRecord.objects.create(file_share=share, anonymous=self.request.META.get('REMOTE_ADDR'))
            context['file'] = share.user_file
            context['share'] = share
        context['expired'] = expired
        return context


class LoginView(View):
    """登录"""

    def post(self, request):
        form = UserBaseForm(request.POST)
        if form.is_valid():
            user = authenticate(request, username=form.cleaned_data['username'], password=form.cleaned_data['password'])
            if user:
                login(request, user)
                if not form.cleaned_data['remember']:
                    request.session.set_expiry(0)
                return AjaxObj(msg='登录成功', data=request.session['cloud']).get_response()

            return AjaxObj(500, '失败', {'errors': {'username': ['用户名错误或密码错误']}}).get_response()

        return AjaxObj(500, '失败', {'errors': form.errors}).get_response()


class RegisterView(View):
    """注册"""

    def post(self, request):
        form = UserBaseForm(request.POST)
        if form.is_valid():
            if User.objects.filter(username=form.cleaned_data['username']).exists():
                return AjaxObj(500, '失败', {'errors': {'username': ['用户名已存在']}}).get_response()

            User.objects.create_user(username=form.cleaned_data['username'],
                                     password=form.cleaned_data['password'])
            return AjaxObj(msg='注册成功').get_response()

        return AjaxObj(500, '失败', {'errors': form.errors}).get_response()


class LoginOutView(RedirectView):
    """登出"""
    pattern_name = 'pan:index'

    def get(self, request, *args, **kwargs):
        logout(request)
        return super().get(request, *args, **kwargs)


class AlterAvatarView(LoginRequiredMixin, View):
    """修改头像"""

    def post(self, request):
        form = AvatarForm(request.POST, request.FILES)
        if form.is_valid():
            if form.cleaned_data['avatar'].size > settings.MAX_AVATAR_SIZE:
                return AjaxObj(500, f'上传图片不能大于{file_size_format(settings.MAX_AVATAR_SIZE)}').get_response()
            profile = request.user.profile
            profile.avatar = form.cleaned_data['avatar']
            profile.update_by = request.user
            profile.save()
            return AjaxObj(msg='上传成功').get_response()

        return AjaxObj(500, '不合法文件').get_response()


class AlterPasswordView(LoginRequiredMixin, View):
    """修改密码"""

    def post(self, request):
        form = PasswordForm(request.POST)
        if form.is_valid():
            if request.user.check_password(form.cleaned_data['oldPassword']):
                request.user.set_password(form.cleaned_data['newPassword'])
                request.user.save()
                return AjaxObj(msg='修改成功').get_response()

            return AjaxObj(500, '失败', {'errors': {'oldPassword': ['原密码错误']}}).get_response()

        return AjaxObj(500, '失败', {'errors': form.errors}).get_response()


class AlterInfoView(LoginRequiredMixin, View):
    """修改信息"""

    def post(self, request):
        form = InfoForm(request.POST)
        if form.is_valid():
            profile = request.user.profile
            profile.gender = form.cleaned_data['gender']
            profile.update_by = request.user
            request.user.email = form.cleaned_data['email']
            profile.save()
            request.user.save()
            return AjaxObj(msg='更改成功').get_response()

        return AjaxObj(500, '失败', {'errors': form.errors}).get_response()


class MsgApprView(LoginRequiredMixin, View):
    """申请和留言"""

    def post(self, request):
        message = request.POST.get('message').strip()
        if message == '' or message is None:
            return AjaxObj(500, '不合法信息').get_response()
        if request.POST.get('way') == 'apply':
            msg = '成功提交申请'
            UserApproval.objects.create(content=message, create_by=request.user)
        else:
            msg = '感谢你的留言'
            UserMessage.objects.create(content=message, create_by=request.user)
        return AjaxObj(200, msg).get_response()


class FileDownloadView(View):
    """下载文件"""

    def get(self, request, *args, **kwargs):
        uuid = self.kwargs.get('guid')
        root = settings.MEDIA_ROOT
        file = request.user.files.get(file_uuid=uuid)
        if file.file_cate == '0':
            return FileResponse(open(root / file.file_path, 'rb'), as_attachment=True)
        else:
            des = root / Path('zips/cloud')
            file_path = root / file.file_path
            return FileResponse(open(make_archive(des, 'zip', file_path.parent, file_path.stem), 'rb'),
                                as_attachment=True)


class DuplicatedCheck(LoginRequiredMixin, View):
    """检查文件重名"""

    def get(self, request, *args, **kwargs):
        folder = request.user.files.get(file_uuid=request.GET.get('folderUUID', request.session['root']))
        path = Path(folder.file_path) / request.GET.get('uploadName')

        if (Path(settings.MEDIA_ROOT) / path).exists():
            return AjaxObj(500, '目标文件夹内存在同名文件，请注意回收站').get_response()

        return AjaxObj().get_response()


class FileUploadView(LoginRequiredMixin, View):
    """上传文件"""

    def post(self, request):
        file = request.FILES.get('file')
        if file is None:
            return AjaxObj().get_response()

        use = request.session['cloud']['used'] + file.size
        if use > request.session['cloud']['storage']:
            return AjaxObj(500, '剩余空间不足').get_response()

        folder = request.user.files.get(file_uuid=request.POST.get('folderUUID', request.session['root']))
        file_path = Path(folder.file_path) / file.name
        file_type = FileType.objects.get_or_create(suffix=Path(file.name).suffix, defaults={'type_name': '未知'})[0]
        dirs = []

        with open(settings.MEDIA_ROOT / file_path, 'wb') as f:
            for chunk in file.chunks():
                f.write(chunk)
        UserFile(file_name=file.name, file_type=file_type, file_size=file.size, file_path=file_path,
                 folder=folder, create_by=request.user).save()

        # 更新父文件夹大小
        while folder is not None:
            folder.file_size = folder.file_size + file.size
            folder.update_by = request.user
            dirs.append(folder)
            folder = folder.folder
        UserDir.objects.bulk_update(dirs, ('file_size', 'update_by'))

        request.session['cloud']['used'] = use
        return AjaxObj(200, '成功上传文件').get_response()


class FolderUploadView(LoginRequiredMixin, View):
    """上传文件夹"""

    def post(self, request):
        files = request.FILES.getlist('files')
        paths = request.POST.getlist('paths')

        if files is None or paths is None:
            return AjaxObj().get_response()

        path_nums = len(paths)
        if path_nums * 2 > settings.DATA_UPLOAD_MAX_NUMBER_FIELDS:
            return AjaxObj(500, f'上传条目数超过{settings.DATA_UPLOAD_MAX_NUMBER_FIELDS}限制').get_response()

        use = request.session['cloud']['used'] + sum(s.size for s in files)
        if use > request.session['cloud']['storage']:
            return AjaxObj(500, '剩余空间不足').get_response()

        folder = request.user.files.get(file_uuid=request.POST.get('folderUUID', request.session['root']))
        folder_path = Path(folder.file_path)
        objs = []
        dirs = []

        for i in range(path_nums):
            # 递归创建目录
            parts = Path(paths[i]).parts[:-1]
            temp_folder = folder
            temp_path = folder_path
            for part in parts:
                part_path = temp_path / part
                if Path(settings.MEDIA_ROOT / part_path).exists():
                    prev = UserDir.objects.get(file_path=part_path)
                    temp_folder = prev
                    temp_path = Path(part_path)
                else:
                    prev = UserDir(file_name=part, file_path=part_path, folder=temp_folder, create_by=request.user)
                    dirs.append(prev)
                    prev.save()
                    Path.mkdir(settings.MEDIA_ROOT / part_path)
                    temp_folder = prev
                    temp_path = Path(part_path)
            # 创建文件
            file = files[i]
            file_path = temp_path / file.name
            with open(settings.MEDIA_ROOT / file_path, 'wb') as f:
                for chunk in file.chunks():
                    f.write(chunk)
            file_type = FileType.objects.get_or_create(suffix=Path(file.name).suffix,
                                                       defaults={'type_name': '未知'})[0]
            objs.append(UserFile(file_name=file.name, file_cate='0', file_type=file_type, file_size=file.size,
                                 file_path=file_path, folder=temp_folder, create_by=request.user))

        # 计算文件大小并更新数据库
        for d in dirs:
            d.file_size = get_dir_size(settings.MEDIA_ROOT / d.file_path)
            d.update_by = request.user

        while folder is not None:
            folder.file_size = get_dir_size(settings.MEDIA_ROOT / folder_path)
            folder.update_by = request.user
            dirs.append(folder)
            folder = folder.folder
            folder_path = folder.file_path if folder is not None else None

        UserFile.objects.bulk_create(objs)
        UserDir.objects.bulk_update(dirs, ('file_size', 'update_by'))

        request.session['cloud']['used'] = use
        return AjaxObj(200, '成功上传文件夹').get_response()


class ShareCreateView(LoginRequiredMixin, View):
    """创建分享文件"""

    def post(self, request):
        uuid = request.POST.get('uuid')
        while True:
            key, signature = get_key_signature()
            if not FileShare.objects.filter(secret_key=key).exists():
                break

        share = FileShare.objects.create(secret_key=key, signature=signature,
                                         user_file=GenericFile.objects.get(file_uuid=uuid),
                                         expire_time=timezone.now() + timedelta(days=7))
        return AjaxObj(200, data={'key': key, 'signature': signature, 'id': share.id}).get_response()


class ShareUpdateView(LoginRequiredMixin, View):
    """更新分享文件"""

    def post(self, request):
        data = json_loads(request.body)
        share = FileShare.objects.get(id=data.get('id'))
        delta = data.get('delta')
        summary = data.get('summary')
        if delta is None and summary is not None:
            share.summary = summary
        elif delta is not None and summary is None:
            share.expire_time = timezone.now() + timedelta(days=delta)
        else:
            share.summary = summary
            share.expire_time = timezone.now() + timedelta(days=delta if delta is not None else 0)
        share.update_by = request.user
        share.save()
        return AjaxObj(200, '链接设置成功').get_response()


class ShareGetView(View):
    """获取分享文件"""

    def post(self, request):
        key = request.POST.get('key')
        try:
            share = FileShare.objects.select_related('user_file').get(secret_key=key)
        except ObjectDoesNotExist:
            return AjaxObj(400, '口令已过期').get_response()

        if timezone.now() > share.expire_time:
            return AjaxObj(400, '口令已过期').get_response()
        file = share.user_file
        if request.user.is_authenticated:
            ShareRecord.objects.create(file_share=share, recipient=request.user)
        else:
            ShareRecord.objects.create(file_share=share, anonymous=request.META.get('REMOTE_ADDR'))
        return AjaxObj(200, data={
            'file': {'name': file.file_name, 'size': file.file_size, 'uuid': file.file_uuid},
            'share': {'expire': share.expire_time, 'summary': share.summary}
        }).get_response()


class ShareDelete(LoginRequiredMixin, View):
    """删除分享文件"""

    def post(self, request):
        ids = json_loads(request.body).get('ids')
        for i in ids:
            try:
                FileShare.objects.select_related('user_file__create_by').filter(
                    user_file__create_by=request.user).get(id=i).delete()
            except ObjectDoesNotExist:
                return AjaxObj(500, "所选记录中有记录不存在或已删除").get_response()
        return AjaxObj(200, '成功删除所选记录').get_response()


class FileMoveView(LoginRequiredMixin, View):
    """文件移动"""

    def post(self, request):
        data = json_loads(request.body)
        if data.get('src') == data.get('dst'):
            return AjaxObj(500, '目标文件夹为本身').get_response()

        src = request.user.files.get(file_uuid=data.get('src'))
        dst = request.user.files.get(file_uuid=data.get('dst', request.session['root']))

        if request.user.files.filter(folder=dst, file_cate=src.file_cate, file_name=src.file_name).exists():
            return AjaxObj(500, '目标文件夹内存在同名文件').get_response()

        dirs = []
        src_folder = src.folder

        file_move(str(settings.MEDIA_ROOT / src.file_path), str(settings.MEDIA_ROOT / dst.file_path))
        src.folder = dst
        src.file_path = Path(dst.file_path) / src.file_name
        src.update_by = request.user
        src.save()

        # 更新目的文件夹和原文件夹以及其父文件夹大小（除根目录）
        while dst.folder is not None:
            dst.file_size = dst.file_size + src.file_size
            dst.update_by = request.user
            dirs.append(dst)
            dst = dst.folder
        while src_folder.folder is not None:
            src_folder.file_size = src_folder.file_size - src.file_size
            src_folder.update_by = request.user
            dirs.append(src_folder)
            src_folder = src_folder.folder

        if len(dirs) != 0:
            UserDir.objects.bulk_update(dirs, ('file_size', 'update_by'))

        return AjaxObj(200, '成功移动文件夹').get_response()


class FileDeleteView(LoginRequiredMixin, View):
    """文件删除"""

    def post(self, request):
        uuids = json_loads(request.body).get('uuids')
        use = request.session['cloud']['used']
        code = msg = folder = None
        discard = 0
        dirs = []
        for uuid in uuids:
            try:
                file = request.user.files.get(file_uuid=uuid)
                discard += file.file_size
                if folder is None:
                    folder = file.folder
            except ObjectDoesNotExist:
                break
            real_path = settings.MEDIA_ROOT / file.file_path
            if file.file_cate == '0':
                real_path.unlink()
            else:
                rmtree(real_path)
            file.delete()
        else:
            code, msg = 200, '成功删除所选文件'
        if code is None and msg is None:
            code, msg = 500, '所选文件中有文件不存在或已删除'

        # 更新父文件夹大小
        while folder is not None:
            folder.file_size = folder.file_size - discard
            folder.update_by = request.user
            dirs.append(folder)
            folder = folder.folder
        if len(dirs) != 0:
            UserDir.objects.bulk_update(dirs, ('file_size', 'update_by'))

        use -= discard
        request.session['cloud']['used'] = use

        return AjaxObj(code, msg).get_response()


class FileTrashView(LoginRequiredMixin, View):
    """文件软删，恢复"""

    def post(self, request):
        json_data = json_loads(request.body)
        method = json_data.get('method')
        uuids = json_data.get('uuids')
        objs = []
        if method == 'trash':
            del_flag = '1'
            msg = '成功删除所选文件'
        else:
            del_flag = '0'
            msg = '成功恢复所选文件'
        for uuid in uuids:
            try:
                file = request.user.files.get(file_uuid=uuid)
            except ObjectDoesNotExist:
                return AjaxObj(500, '所选文件中有文件不存在或已删除').get_response()
            file.del_flag = del_flag
            file.update_by = request.user
            objs.append(file)

        GenericFile.objects.bulk_update(objs, ('del_flag',))
        return AjaxObj(200, msg).get_response()


class CloudViewSet(ModelViewSet):
    """云盘api"""
    serializer_class = FileSerializer
    permission_classes = [IsAuthenticated]
    pagination_class = None

    def get_queryset(self):
        folder_uuid = self.request.query_params.get('folderUUID', self.request.session['root'])
        sort = self.request.query_params.get('sort')
        order = self.request.query_params.get('order')
        search = self.request.query_params.get('search')

        if search:
            queryset = self.request.user.files.filter(file_name__icontains=search, file_cate='0', del_flag='0')
        else:
            queryset = self.request.user.files.select_related('folder').filter(folder__file_uuid=folder_uuid,
                                                                               del_flag='0')
        if sort:
            if order == 'desc':
                queryset = queryset.order_by('-' + sort)
            else:
                queryset = queryset.order_by(sort)
        return queryset


class HistoryViewSet(ModelViewSet):
    """传输历史api"""
    serializer_class = FileShareSerializer
    permission_classes = [IsAuthenticated]

    def get_queryset(self):
        sort = self.request.query_params.get('sort')
        order = self.request.query_params.get('order')
        search = self.request.query_params.get('search')
        queryset = FileShare.objects.select_related('user_file').filter(user_file__create_by=self.request.user)

        if search:
            queryset = queryset.filter(user_file__file_name__icontains=search)
        if sort:
            if order == 'desc':
                queryset = queryset.order_by('-' + sort)
            else:
                queryset = queryset.order_by(sort)
        return queryset


class BinViewSet(ModelViewSet):
    """回收站api"""
    serializer_class = FileSerializer
    permission_classes = [IsAuthenticated]

    def get_queryset(self):
        sort = self.request.query_params.get('sort')
        order = self.request.query_params.get('order')
        search = self.request.query_params.get('search')
        queryset = self.request.user.files.filter(del_flag='1')

        if search:
            queryset = queryset.filter(file_name__icontains=search)
        if sort:
            if order == 'desc':
                queryset = queryset.order_by('-' + sort)
            else:
                queryset = queryset.order_by(sort)
        return queryset


class FolderViewSet(ModelViewSet):
    """文件夹api"""
    serializer_class = FolderSerializer
    permission_classes = [IsAuthenticated]
    pagination_class = None

    def get_queryset(self):
        exclude = self.request.query_params.get('exclude')
        folder_uuid = self.request.query_params.get('folderUUID', self.request.session['root'])
        return self.request.user.files.select_related('folder').filter(folder__file_uuid=folder_uuid,
                                                                       file_cate='1',
                                                                       del_flag='0').exclude(file_uuid=exclude)


class FileViewSet(ModelViewSet):
    """文件详情api"""
    serializer_class = FileSerializer
    permission_classes = [IsAuthenticated]
    pagination_class = None

    def get_queryset(self):
        uuid = self.request.query_params.get('uuid')
        return self.request.user.files.filter(file_uuid=uuid, file_cate='0')


class NoticeViewSet(ModelViewSet):
    """通知api"""
    serializer_class = NoticeSerializer
    permission_classes = [IsAuthenticated]
    queryset = Notice.objects.all()
    pagination_class = None





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