Django后端架构开发：构建在线云媒资系统思路解析

# 在应用目录下创建一个新的文件 `views.py`，定义API视图
from rest_framework import viewsets
from rest_framework.response import Response
from .models import MediaAsset
from .serializers import MediaAssetSerializer

class MediaAssetViewSet(viewsets.ViewSet):
    """
    媒资资产的API视图
    """

    def list(self, request):
        """
        列出所有媒资资产
        """
        queryset = MediaAsset.objects.all()
        serializer = MediaAssetSerializer(queryset, many=True)
        return Response(serializer.data)

    def retrieve(self, request, pk=None):
        """
        获取单个媒资资产
        """
        queryset = MediaAsset.objects.all()
        asset = get_object_or_404(queryset, pk=pk)
        serializer = MediaAssetSerializer(asset)
        return Response(serializer.data)

# 创建 `serializers.py` 文件，定义序列化器
from rest_framework import serializers
from .models import MediaAsset

class MediaAssetSerializer(serializers.ModelSerializer):
    """
    媒资资产的序列化器
    """

    class Meta:
        model = MediaAsset
        fields = '__all__'

# 在 `urls.py` 中注册API路由
from django.urls import path, include
from rest_framework.routers import DefaultRouter
from .views import MediaAssetViewSet

router = DefaultRouter()
router.register(r'media-assets', MediaAssetViewSet)

urlpatterns = [
    path('', include(router.urls)),
]

# 在 `settings.py` 中配置数据库
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'media_db',
        'USER': 'media_user',
        'PASSWORD': 'your_password',
        'HOST': 'localhost',
        'PORT': '5432',
    }
}

# 配置静态文件
STATIC_URL = '/static/'
STATICFILES_DIRS = [
    BASE_DIR / 'static',
]

# 配置媒体文件
MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

# 在项目中创建一个新的文件 `baidu_cloud.py`，实现百度云的上传功能
from baidubce.bce_client_configuration import BceClientConfiguration
from baidubce.auth import bce_credentials
from baidubce.services.bos import BosClient
import os

class BaiduCloudStorage:
    def __init__(self, access_key, secret_key, endpoint, bucket_name):
        self.client = BosClient(
            BceClientConfiguration(
                credentials=bce_credentials.BceCredentials(access_key, secret_key),
                endpoint=endpoint
            )
        )
        self.bucket_name = bucket_name

    def upload_file(self, file_path):
        """
        上传文件到百度云
        """
        file_name = os.path.basename(file_path)
        self.client.put_object_from_file(self.bucket_name, file_name, file_path)
        return f"文件 {file_name} 上传成功"

# 使用百度云存储类上传文件
storage = BaiduCloudStorage(
    access_key='your_access_key',
    secret_key='your_secret_key',
    endpoint='https://your_endpoint',
    bucket_name='your_bucket_name'
)
response = storage.upload_file('/path/to/your/file.mp4')
print(response)