优化了一些问题

App/admin.py

@@ -1,3 +1,10 @@
 from django.contrib import admin
 
 # Register your models here.
+from .models import *
+admin.site.register(User)
+admin.site.register(Upload)
+admin.site.register(Task)
+admin.site.register(paper)
+admin.site.register(thumbs)
+admin.site.register(videoUpload)

App/views.py

@@ -285,11 +285,15 @@ def videoView(request, id):
         return render(request, 'nav/videoview.html', {'path': data.video_path})
 
 def videoList(request):
+    video_type = request.GET.get('video_type', '全部内容')
+    if video_type == '全部内容':
+        data = videoUpload.objects.all().order_by('video_title', '-video_time')
+    else:
+        data = videoUpload.objects.filter(video_desc=video_type).all().order_by('video_title','-video_time')
     desc = videoUpload.objects.all().values('video_desc').distinct()
-    data = {}
-    for i in desc:
-        data[i["video_desc"]] = videoUpload.objects.filter(video_desc=i["video_desc"]).all().order_by('video_title')
-    return render(request, 'nav/videolist.html', {'data':data })
+    desc = [i['video_desc'] for i in desc]
+    desc.append('全部内容')
+    return render(request, 'nav/videolist.html', {'data': data, 'desc': desc, 'selected': video_type})
 
 def file_iterator(file_name, chunk_size=8192, offset=0, length=None):
     with open(file_name, "rb") as f:
@@ -340,5 +344,5 @@ def videoDownload(request, id):
     response = FileResponse(file)
     response['Content-Type'] = 'application/octet-stream'
     response['Content-Disposition'] = 'attachment;filename="{}"'.format(quote(file_name))
-    messages.error(request, '下载成功')
+    #messages.error(request, '下载成功')
     return response

templates/nav/videolist.html

@@ -7,12 +7,28 @@
 {% endblock %}
 {% block content %}
     <div class="main" style="padding-top: 80px">
+        <form action="" id="desc">
+            <select class="form-select form-select-lg mb-3" aria-label=".form-select-lg example" name="video_type">
+                {% for i in desc %}
+                    {% if i == selected %}
+                        <option selected value="{{ i }}">{{ i }}</option>
+                    {% else %}
+                        <option value="{{ i }}">{{ i }}</option>
+                    {% endif %}
+                {% endfor %}
+            </select>
+            <button class="w-100 btn btn-lg btn-primary" type="submit">提交</button>
+        </form>
+        <script>
+            $(function func() {
+                    var form = document.getElementById('desc');
+                    form.submit();
+            })
+        </script>
         <div class="dy-content">
-            {% for k,v in data.items %}
-                <h1>{{ k }}</h1>
                 <div class="dy-videos">
                     <ul class="dy-video-list">
-                        {% for i in v %}
+                        {% for i in data %}
                             {% if forloop.counter|quyu:5 %}
                                 <li data- class="dy-video-item dy-video-meta-left">
                                     {% else %}
@@ -43,7 +59,6 @@
                         {% endfor %}
                     </ul>
                 </div>
-            {% endfor %}
         </div>
     </div>
     {% if messages %}