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@ -1,8 +1,9 @@ |
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import os |
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import mimetypes |
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from django.contrib import messages |
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from django.contrib.auth import authenticate |
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from django.db.models import F, QuerySet, Count |
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from django.http import JsonResponse |
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from django.http import JsonResponse, StreamingHttpResponse, FileResponse |
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from django.shortcuts import HttpResponse, render, redirect, reverse |
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from django.contrib.auth.decorators import login_required |
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from django.views.decorators.cache import cache_page |
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@ -11,10 +12,12 @@ from django.conf import settings |
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from .forms import * |
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from .models import * |
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from .qingcloud import putImage |
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import datetime, requests, json |
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import datetime, requests, json, re, os |
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from django.views.decorators.csrf import csrf_exempt |
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from django.views.decorators.clickjacking import xframe_options_sameorigin |
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from .csdn import get_image |
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from wsgiref.util import FileWrapper |
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from urllib.parse import quote |
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#@cache_page(60 * 15) |
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def index(request): |
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@ -276,17 +279,66 @@ def paperDetail(request, id): |
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paper.objects.filter(id=id).update(views=paper.objects.filter(id=id).get().views+1) |
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return render(request, 'function/viewmd.html', {'data': data, 'thumbs': thumbs.objects.filter(paper_id=id).count()}) |
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def videoView(request): |
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def videoView(request, id): |
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if request.method == 'GET': |
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video_path = request.GET.get('videopath') |
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return render(request, 'nav/videoview.html', {'path': video_path}) |
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data = videoUpload.objects.filter(id=id).get() |
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return render(request, 'nav/videoview.html', {'path': data.video_path}) |
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def videoList(request): |
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desc = videoUpload.objects.all().values('video_desc').distinct() |
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data = {} |
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for i in desc: |
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data[i["video_desc"]] = videoUpload.objects.filter(video_desc=i["video_desc"]).all().order_by('video_title') |
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for k,v in data.items(): |
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for i in v.all(): |
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print(i.video_title) |
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return render(request, 'nav/videolist.html', {'data':data }) |
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return render(request, 'nav/videolist.html', {'data':data }) |
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def file_iterator(file_name, chunk_size=8192, offset=0, length=None): |
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with open(file_name, "rb") as f: |
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f.seek(offset, os.SEEK_SET) |
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remaining = length |
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while True: |
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bytes_length = chunk_size if remaining is None else min(remaining, chunk_size) |
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data = f.read(bytes_length) |
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if not data: |
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break |
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if remaining: |
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remaining -= len(data) |
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yield data |
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def stream_video(request): |
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"""将视频文件以流媒体的方式响应""" |
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range_header = request.META.get('HTTP_RANGE', '').strip() |
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range_re = re.compile(r'bytes\s*=\s*(\d+)\s*-\s*(\d*)', re.I) |
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range_match = range_re.match(range_header) |
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path = request.GET.get('path') |
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#这里根据实际情况改变，我的views.py在core文件夹下但是folder_path却只到core的上一层，media也在core文件夹下 |
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folder_path = os.getcwd().replace('\\', '/') |
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path=folder_path+path #path就是template ？后面的参数的值 |
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size = os.path.getsize(path) |
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content_type, encoding = mimetypes.guess_type(path) |
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content_type = content_type or 'application/octet-stream' |
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if range_match: |
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first_byte, last_byte = range_match.groups() |
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first_byte = int(first_byte) if first_byte else 0 |
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last_byte = first_byte + 1024 * 1024 * 10 |
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if last_byte >= size: |
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last_byte = size - 1 |
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length = last_byte - first_byte + 1 |
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resp = StreamingHttpResponse(file_iterator(path, offset=first_byte, length=length), status=206, content_type=content_type) |
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resp['Content-Length'] = str(length) |
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resp['Content-Range'] = 'bytes %s-%s/%s' % (first_byte, last_byte, size) |
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else: |
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resp = StreamingHttpResponse(FileWrapper(open(path, 'rb')), content_type=content_type) |
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resp['Content-Length'] = str(size) |
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resp['Accept-Ranges'] = 'bytes' |
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return resp |
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def videoDownload(request, id): |
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data = videoUpload.objects.filter(id=id).get() |
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file_path = str(data.video_path)[1:] |
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file_name = os.path.basename(file_path) |
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file = open(file_path, 'rb') |
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response = FileResponse(file) |
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response['Content-Type'] = 'application/octet-stream' |
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response['Content-Disposition'] = 'attachment;filename="{}"'.format(quote(file_name)) |
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messages.error(request, '下载成功') |
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return response |
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