Skip to content

Latest commit

 

History

History
113 lines (100 loc) · 2.83 KB

20170930_03.md

File metadata and controls

113 lines (100 loc) · 2.83 KB

django技巧#3 django处理文件上传

作者

jwh5566

日期

2017-09-30

标签

python，django, file upload

简单的文件上传

1.配置settings.py

MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

2.views.py The request.FILES is a dictionary-like object. Each key in request.FILES is the name from the .

from django.shortcuts import render
from django.conf import settings
from django.core.files.storage import FileSystemStorage

def simple_upload(request):
    if request.method == 'POST' and request.FILES['myfile']:
        myfile = request.FILES['myfile']
        fs = FileSystemStorage()
        filename = fs.save(myfile.name, myfile)
        uploaded_file_url = fs.url(filename)
        return render(request, 'simple_upload.html', {
            'uploaded_file_url': uploaded_file_url
        })
    return render(request, 'simple_upload.html')

3.simple_upload.html

{% extends 'base.html' %}

{% load static %}

{% block content %}
  <form method="post" enctype="multipart/form-data">
    {% csrf_token %}
    <input type="file" name="myfile">
    <button type="submit">Upload</button>
  </form>

  {% if uploaded_file_url %}
    <p>File uploaded at: <a href="{{ uploaded_file_url }}">{{ uploaded_file_url }}</a></p>
  {% endif %}

  <p><a href="{% url 'home' %}">Return to home</a></p>
{% endblock %}

4.urls.py

url(r'^upload/$', views.simple_upload, name='simple_upload'),

使用model form上传

1.models.py

from django.db import models

class Document(models.Model):
    description = models.CharField(max_length=255, blank=True)
    document = models.FileField(upload_to='documents/')
    uploaded_at = models.DateTimeField(auto_now_add=True)

2.forms.py

from django import forms
from uploads.core.models import Document

class DocumentForm(forms.ModelForm):
    class Meta:
        model = Document
        fields = ('description', 'document', )

3.views.py

def model_form_upload(request):
    if request.method == 'POST':
        form = DocumentForm(request.POST, request.FILES)
        if form.is_valid():
            form.save()
            return redirect('home')
    else:
        form = DocumentForm()
    return render(request, 'core/model_form_upload.html', {
        'form': form
    })

4.model_form_upload.html

{% extends 'base.html' %}

{% block content %}
  <form method="post" enctype="multipart/form-data">
    {% csrf_token %}
    {{ form.as_p }}
    <button type="submit">Upload</button>
  </form>

  <p><a href="{% url 'home' %}">Return to home</a></p>
{% endblock %}

5.urls.py

url(r'^upload_form/$', views.model_form_upload, name='model_form_upload'),**