JS实现上传图片的三种方法并实现预览图片功能

  
  


  

    

      {% csrf_token %}
    
用户注册
    
用户名：
    
密码：
    
邮箱：
       {# 实际应用中要将该input标签隐藏，display:none; #}
      

      
    

    
    
      
  

from django.shortcuts import render, HttpResponse
def test(request):
  return render(request, 'test.html')
def upload_avatar(request):
  file_obj = request.FILES.get('avatar')
  file_path = os.path.join('static/images', file_obj.name)
  with open(file_path, 'wb') as f:
    for chunk in file_obj.chunks():
      f.write(chunk)
  return HttpResponse(file_path)

from django.conf.urls import url
from django.contrib import admin
from home import views as homeViews
urlpatterns = [
  url(r'^admin/', admin.site.urls),
  url(r'^upload_avatar/', homeViews.upload_avatar), # 上传头像
  url(r'^test/', homeViews.test), # 测试页面
]