Django 导出导出 Excel 代码的实例详解代码的实例详解
本篇文章主要介绍了Django 导出 Excel 代码的实例详解,小编觉得挺不错的,现在分享给大家,也给大家做个参考。一起跟随小编过来看看吧
这篇技术贴讲怎样在Django的框架下导出Excel, 最开始打算用ajax post data 过去,但是发现不行,所以改用了get的方式。如果只有一个id(pk)那用get的方式很简单就可以访问对应的view section,但
是如果是多个ids,我用的是session,大家还有其他好的例子吗?希望一起讨论。
Python3.5 Django 1.10, sqlite3, windows 10
1. virtualenv export_excel <--- create a virtualenv for django
2. cd export_excel <--- Go into the export_excel folder
3. Scriptctive <--- activate env environment.
once activate the environment, in the windows would be liked as above.
4. pip install django.
5. pip install django-bootstrap3. <-- bootstrap3 for django.
6. pip install xlsxwriter. <-- this uses for excel export.(用xlsxwriter 这个Python 库)
1. urls.py
"""export_excel URL Configuration
The `urlpatterns` list routes URLs to views. For more information please see:
https://docs.djangoproject.com/en/1.10/topics/http/urls/
Examples:
Function views
1. Add an import: from my_app import views
2. Add a URL to urlpatterns: url(r'^$', views.home, name='home')
Class-based views
1. Add an import: from other_app.views import Home
2. Add a URL to urlpatterns: url(r'^$', Home.as_view(), name='home')
Including another URLconf
1. Import the include() function: from django.conf.urls import url, include
2. Add a URL to urlpatterns: url(r'^blog/', include('blog.urls'))
"""
from django.conf.urls import url
from django.contrib import admin
from django.views.generic import ListView
from .models import ExcelDemoData
from . import views
urlpatterns = [
url(r'^admin/', admin.site.urls),
url(r'^$', ListView.as_view(queryset = ExcelDemoData.objects.all().defer('id', 'part_number').order_by('id')[:100], template_name="part_num_list.html"), name = 'home'),
url(r'^demo/exportall/$', views.export_all_to_excel, name = 'export_all_to_excel'),
]
2. views.py
from django.http import JsonResponse, Http404
from django.shortcuts import render, get_object_or_404, render_to_response
from django.http import HttpResponseRedirect
from django.contrib import messages
from django.core.urlresolvers import reverse
from django.http import HttpResponse
from .models import ExcelDemoData
from .forms import ExcelDemoForm
from .excel_utils import WriteToExcel
from . import attrs_override as attr
def export_sig_to_excel(request, pk):
if request.method == 'GET':
demo_list = []
try:
demo_row = ExcelDemoData.objects.get(pk = pk)
except ExcelDemoData.DoesNotExist:
messages.add_message(request, messages.ERROR, 'the Part Number: [%s] does not exist in database.' % str(pk))
else:
demo_list.append(demo_row)
response = HttpResponse(content_type='application/ms-excel')
response['Content-Disposition'] = 'attachment; filename=ExcelDemoData_%s.xlsx' % demo_row.demo_row_part_number
xlsx_data = WriteToExcel(demo_list)
response.write(xlsx_data)
return response
def export_all_to_excel(request):
if request.method == 'GET':
if 'store_modi_id' in request.session:
messages.add_message(request, messages.ERROR, 'The Part Number have been lost, please re-search them.')
return HttpResponseRedirect(reverse('home'))
demo_list = []
pn_id_list = request.session['searched_sb_list'] #<--- the session will be created when a list page was created.
for id in pn_id_list:
try:
demo_row = ExcelDemoData.objects.get(pk = id)
except SmartBuy.DoesNotExist:
messages.add_message(request, messages.ERROR, 'the Part Number does not exist in database.' )
else:
demo_list.append(demo_row)
response = HttpResponse(content_type='application/ms-excel')
response['Content-Disposition'] = 'attachment; filename=ExcelDemoData_%s.xlsx' % attr.get_current_timestamp()
xlsx_data = WriteToExcel(demo_list)
response.write(xlsx_data)
return response