上传文件

文件上传

def upload(request):
    if request.method == 'POST':
        # photo 是表单中文件上传的name
        file = request.FILES.get('photo')
        print(file)
        # 文件路径
        path = os.path.join(settings.MEDIA_ROOT,file.name)

        #文件类型过滤
        ext = os.path.splitext(file.name)
        if len(ext) < 1 or not ext[1] in settings.ALLOWED_FILEEXTS:
            return redirect(reverse('upload'))

        #解决文件重名
        if os.path.exists(path):

            #日期目录
            dir = datetime.today().strftime("%Y/%m/%d")
            dir = os.path.join(settings.MEDIA_ROOT,dir)
            if not os.path.exists(dir):
                os.makedirs(dir)  #递归创建目录

            #list.png
            file_name = ext[0] + datetime.today().strftime("%Y%m%d%H%M%S") + str(randint(1,1000))+ ext[1] if len(ext)>1 else ''
            path = os.path.join(dir,file_name)
            print(path)

        # 创建新文件
        with open(path,'wb') as fp:
            # 如果文件超过2.5M,则分块读写
            if file.multiple_chunks():
                for block1 in file.chunks():
                    fp.write(block1)
            else:
                fp.write(file.read())
        return redirect(reverse('index'))

    return render(request,'upload.html')

• html

  <form action="/upload/" method="post" enctype="multipart/form-data">
      {% csrf_token %}
      头像: <input type="file" name="photo"> <br> 允许上传:png,jpeg,jpg,gif,bmp文件 <br> <input type="submit" value="上传">
  </form>