Django 后台上传以及显示图片

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django 管理后台上传图片

1.安装pillow

pip install Pillow

2.创建app

python manage.py startapp upload

3. project设定
settings.py

INSTALLED_APPS = [
    django.contrib.admin,
    django.contrib.auth,
    django.contrib.contenttypes,
    django.contrib.sessions,
    django.contrib.messages,
    django.contrib.staticfiles,
    upload.apps.MyuploadConfig,  #add this
]

TEMPLATES = [
    {
        BACKEND: django.template.backends.django.DjangoTemplates,
        DIRS: [os.path.join(BASE_DIR,templates)],
        APP_DIRS: True,
        OPTIONS: {
            context_processors: [
                django.template.context_processors.debug,
                django.template.context_processors.request,
                django.contrib.auth.context_processors.auth,
                django.contrib.messages.context_processors.messages,
                django.template.context_processors.media #add this
            ],
        },
    },
]

#picture path setting
MEDIA_ROOT = os.path.join(BASE_DIR, media).replace("\", "/")
MEDIA_URL = /media/

urls.py

from django.contrib import admin
from django.urls import path,include
from django.conf.urls.static import static
from django.conf import settings


urlpatterns = [
    path(admin/, admin.site.urls),
    path(‘‘, views.index),
    path(upload/, include((myupload.urls, myupload), namespace=myupload)),  # add uppoad urls
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)                     #add image path

4. app 设定
models.py  

from django.db import models

class User(models.Model):
    name = models.CharField(verbose_name=姓名, max_length=10)
    avator = models.ImageField(verbose_name=头像, upload_to=upload/%Y/%m/%d)    

admin.py

from django.contrib import admin
from .models import *

# Register your models here.
admin.site.register(User)

urls.py

from django.contrib import admin
from django.urls import path, register_converter, re_path
from . import views

urlpatterns = [
    path(‘‘, views.index, name=index),  # 上传首页
]

views.py

from django.shortcuts import render
from .models import User
from django.http import HttpResponse

# Create your views here.
def index(request):
    users = User.objects.all()return render(request, upload/index.html, locals())

5 . 前台设定
project 目录下 templates/upload/index.html
----------------------------------------------------------------------------------------

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<ul>
    {% for user in users%}
        <li>{{ user.name }}</li>
        <li><img src="{{ MEDIA_URL }}{{ user.avator }}" alt=""></li>
    {% endfor %}
</ul>
</body>
</html>

6. migraiton

python manage.py makemigrations
python manage.py migrate
python manage.py createsuperuser
python manage runserver 0.0.0.0:8000

 

7.进行管理后台上传user 图片http://localhost:8000/admin
8.显示 http://localhost:8000/upload/

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