Django在管理员列表中上传文件

Question

I've read several posts here on this problem and have tried many of the approaches - in the end I returned to the Django docs.

I'm trying to get the uploaded image to appear in the admin list...

My models.py (based on info from here: Django Docs )

from django.db import models
from django.contrib import admin
from django.utils.html import format_html

class File(models.Model):
    file = models.ImageField()
    description = models.CharField(max_length=200)
    def __str__(self):
        return self.description
    def image_tag(self):
        return format_html(
            '<img src="{}" />', self.file
        )

class FileAdmin(admin.ModelAdmin):
    list_display = ('image_tag', 'description')    

This, sadly, does nothing however...

I have tried putting arbitrary HTML as well - just in case file url is bad...but nothing changes.

Any ideas would be greatly appreciated - quite frustrated with this now.

Answer 1

You can also try this in place of format_html ,

Update models.py as follows:

from django.utils.safestring import mark_safe

def image_tag(self):

    if self.file:
        return mark_safe('<img src="%s" width="200" height="200"/>' % self.file)
    else:
        return '(No image found)'

image_tag.short_description = 'Thumb'

In your admin.py add:

list_display= ('image_tag',)

There is also a package django-imagekit which can be helpful.