使用ajax发送文件的三种方式及预览图片的方法,上传按钮美化

后端代码

def upload(request):
    if request.method == "GET":
        return render(request,'upload.html')
    if request.method =="POST":
        pass

def upload_file(request):
    request.POST.get('username')
    fafafa = request.FILES.get('fileobj')
    img_path = os.path.join('static/img/',fafafa.name)
    with open( img_path, 'wb') as f:
        for item in fafafa.chunks():
            f.write(item)
    ret = {'code':True,'data':img_path}
    return HttpResponse(json.dumps(ret))

views.py