用户可以通过models.py上传zip文件，但我无法解压缩文件以迭代图像并将其显示在我的模板中。
from django.db import models
from django.core.urlresolvers import reverse
from django.contrib.auth.models import User
from django.conf import settings
from .validators import validate_file_extension
class Post(models.Model):
title = models.CharField(max_length=140)
body = models.TextField(max_length=250)
date = models.DateTimeField(auto_now=True, auto_now_add=False)
album_image = models.FileField(validators=[validate_file_extension])
user = models.ForeignKey(User, default=1)
def get_absolute_url(self):
return reverse('photos:detail',kwargs={'pk':self.pk})
def __str__(self):
return self.title
发布创建和索引视图工作/或者至少工作，直到我从上传单个图像更改为上传zip文件并尝试迭代
class IndexView(generic.ListView):
template_name='photos/post.html'
def get_queryset(self):
return Post.objects.filter(user=self.request.user)
def DetailView(request,pk=""):
model = Post
z = zipfile.ZipFile() ### I am unsure of what goes here!!
context = {
"images": z,
}
template_name = 'photos/detail.html'
return render(request,template_name,context)
class PostCreate(generic.CreateView):
form = PostForm()
model = Post
fields = ['title','body','album_image']
if form.is_valid():
instance = form.save(commit=False)
username = form.cleaned_data['username']
album_image = form.cleaned_data['album_image']
instance.save()
context = {
"form": form,
}
{% extends "homepage/header.html" %}
{% block content %}
{% for image in image%}
<img src ="{{image.url}}" style="width:304px;height:228px;">
{% endif%}
<h1>{{post.title}}</h1>
<h3>{{post.user}}</h3>
<h3>{{post.body}}</h3>
<h3>{{post.date}}</h3>
{% endblock %}
<html>
<body>
{% if request.user.is_authenticated%}
<h3>Hello {{request.user.username}}, please upload your folder as a .zip file</h3>
{% endif %}
<div class="container-fluid">
<div class="row">
<div class="col-sm-12 col-md-7">
<div class="panel panel-default">
<div class="panel-body">
{% if request.user.is_authenticated %}
<form class="form-horizontal" role="form" action="" method="post" enctype="multipart/form-data">
{% csrf_token %}
{{form.as_p}}
<div class="col-sm-offset-2 col-sm-10">
<button type="submit" class="btn btn-success">Submit</button>
</div>
</div>
</form>
{% else %}
<p>You must be logged in to upload a file</p>
{% endif %}
</div>
</div>
</div>
</body>
</html>
{% extends "homepage/header.html" %}
{% block content %}
{%if object_list %}
<ul>
{% for album in object_list %}
<h3><a href = "{% url 'photos:detail' album.id %}">{{album.title}} - {{album.date}}</a></h3><br>
{% endfor %}
</ul>
{% else %}
<h3>You have no photo albums!</h3>
{% endif %}
{% endblock %}
答案 0 :(得分：1)
我对zip内容要小心，可能会在这里检查循环中的文件名/类型，但是下面的内容可能有效（未经测试）。基本上提取内容假定不在zip中的子文件夹中，然后base64encodes它们并在src中使用该编码版本指定数据类型。
# views.py
import base64
import zipfile
def DetailView(request,pk=""):
model = Post
# z = zipfile.ZipFile() ### I am unsure of what goes here!!
mydoc = 'path_to_zip_file_here'
# probably should do some logic on the name and file type
# or be very aware of what is in the zip file
with zipfile.ZipFile(mydoc, 'r') as z:
for f in z.namelist():
images.update({f: base64.b64encode(z.read(f)),})
context = {
"images": images,
}
template_name = 'photos/detail.html'
return render(request,template_name,context)
and detail.html：
{% for name, image in images.items %}
<img src ="data:image/jpeg;base64,{{ image }}" style="width:304px;height:228px;">
{% endfor%}