用python写一个简单的文件上传
程序员文章站
2023-12-29 23:32:46
用Pycharm创建一个django项目。目录如下： 1 2 3 4 5 upload 6 7 8 {# 上传文件 ......
用pycharm创建一个django项目。目录如下：
1 <!doctype html>
2 <html lang="en">
3 <head>
4 <meta charset="utf-8">
5 <title>upload</title>
6 </head>
7 <body>
8 {# 上传文件的form表单必须要加上enctype="multipart/form-data" #}
9 <form action="/upload/" method="post" enctype="multipart/form-data">
10 <input type="file" name="upload_files">
11 <input type="submit" value="提交">
12 </form>
13 </body>
14 </html>
1 from django.shortcuts import render,httpresponse
2
3 # create your views here.
4
5 # cbv方式（class base views）
6 from django.views import view
7 class upload(view):
8 def post(self,request):
9 '''
10 保存上传文件前，数据需要存放在某个位置。默认当上传文件小于2.5m时，django会将上传文件的全部内容读进内存。从内存读取一次，写磁盘一次。
11 但当上传文件很大时，django会把上传文件写到临时文件中，然后存放到系统临时文件夹中。
12 :param request:
13 :return:
14 '''
15 # 从请求的files中获取上传文件的文件名，file为页面上type=files类型input的name属性值
16 filename = request.files['upload_files'].name
17 # 在项目目录下新建一个文件
18 with open(filename,'wb') as f:
19 # 从上传的文件对象中一点一点读
20 for chunk in request.files['upload_files'].chunks():
21 # 写入本地文件
22 f.write(chunk)
23 return httpresponse('上传ok')
24
25 def get(self,request):
26 return render(request, 'uploadfiles.html')
1 """day67 url configuration
2
3 the `urlpatterns` list routes urls to views. for more information please see:
4 https://docs.djangoproject.com/en/2.2/topics/http/urls/
5 examples:
6 function views
7 1. add an import: from my_app import views
8 2. add a url to urlpatterns: path('', views.home, name='home')
9 class-based views
10 1. add an import: from other_app.views import home
11 2. add a url to urlpatterns: path('', home.as_view(), name='home')
12 including another urlconf
13 1. import the include() function: from django.urls import include, path
14 2. add a url to urlpatterns: path('blog/', include('blog.urls'))
15 """
16 from django.contrib import admin
17 from django.urls import path
18 from app01 import views
19
20 urlpatterns = [
21 path('upload/',views.upload.as_view() ),
22 ]
注意settings.py中的这一行要注释掉
'django.middleware.csrf.csrfviewmiddleware',
点击运行，文件会上传到项目的根目录下面。