urls.py

  1. from django.urls import path
  2. from  test01 import views
  4. urlpatterns = [
  5.     path('index/',views.index.as_view(),name='index'),
  6. ]

html

  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4.     <meta charset="UTF-8">
  5.     <title>网页上传</title>
  6. </head>
  7. <body>
  8. <h1> 欢迎使用网页上传文件 </h1>
  9.     <form action="{{ url }}" method="post"  enctype="multipart/form-data"> {# 如果不用form_data格式来发，那么默认的是urlencoded的格式，这个标签的数据会组成avatar:文件名字来进行发送#}
  10.         {% csrf_token %}
  11.         用户名: <input type="text" name="user">
  12.         头像: <input  type="file" name="head-png">
  13.         <input type="submit">
  14.     </form>
  16. </body>
  17. </html>

views.py

  1. import os.path
  2. from django.shortcuts import render,HttpResponse,redirect
  3. from django.views import  View
  4. from  django.conf import settings
  5. # Create your views here.
  7. class index(View):
  8.     html = 'h5_upload_file.html'
  10.     def get(self,request):
  11.         # print(request.GET)  # <QueryDict: {}> GET请求数据
  12.         return render(request,self.html)
  14.     def post(self,request):
  16.         user = request.POST.get('user')
  17.         file_obj = request.FILES.get('head-png')  # 获取文件
  19.         file_name = os.path.join(settings.BASE_DIR,'img',file_obj.name)  # project/img/filename
  20.         with open(file_name,'wb') as f:  #不能一下写进去，占用的内容太多，要一点一点写
  21.             for i in file_obj:
  22.                 f.write(i)   # 每次读取的data不是固定长度的，和读取其他文件一样，每次读一行，识别符为\r  \n  \r\n，遇到这几个符号就算是读了一行
  24.         return HttpResponse('ok')

image.png