Django返回EXcel

最新推荐文章于 2024-12-20 14:13:10 发布

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最新推荐文章于 2024-12-20 14:13:10 发布

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CC 4.0 BY-SA版权

文章标签： python json

原文链接：http://www.cnblogs.com/linbinqiang/p/4925058.html

本文介绍了一个使用Django框架实现从数据库中读取传感器数据并导出为Excel文件的方法。该方法通过处理HTTP GET请求获取指定参数，并利用xlwt库创建Excel文件，将SensorData模型中的数据写入Excel的不同列中。

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coding:utf-8

from django.contrib.auth.decorators import login_required
from django.shortcuts import render_to_response
from django.shortcuts import render
from django.http import HttpResponse
from app.models import
from app.form import LoginForm
from django.http import JsonResponse
import json
from json import loads, dumps
import simplejson
from django.views.decorators.csrf import csrf_exempt
import json
from django.contrib.auth.decorators import permission_required
from app.views import
import xlwt
import StringIO
from django.http import HttpResponse
from app.models import Sensor, SensorData
import json
from django.core.serializers.json import DjangoJSONEncoder

def excel_ajax(request):
if request.method == 'GET':
d1 = request.GET.get('data1')
d2 = request.GET.get('data2')
d3 = request.GET.get('data3')
d4 = request.GET.get('data4')
d5 = request.GET.get('data5')
d6 = request.GET.get('data6')
d7 = request.GET.get('data7')
d8 = request.GET.get('data8')
data_start = request.GET.get('data_start')
data_end = request.GET.get('data_end')
response = HttpResponse()
response['Content-Disposition'] = 'attachment;filename=excel.xls'
wb = xlwt.Workbook(encoding='utf-8')
sheet = wb.add_sheet(u'订单')
my_time = []
guang = []
co=[]
PH=[]
temp=[]
for i in SensorData.objects.filter(collertor_id=2):
co.extend([i.sensor_CO2])
guang.extend([i.sensor_guang])
PH.extend([i.sensor_tu_PH])
temp.extend([i.sensor_temp])
# 1st line
sheet.write(0, 0, '光照')
sheet.write(0, 1, 'PH')
sheet.write(0, 2, '温度')
sheet.write(0, 3, '湿度')
List = []
row = 1
for i in guang:
sheet.write(row, 0, i) # 此处是在第一列添加数据
# sheet.write(row,1, '测试1')#此处在第二列添加数据
# sheet.write(row,2,'测试2')#此处在第二列添加数据
# sheet.write(row,3,'测试3')#此处在第二列添加数据
row = row + 1
row=1
for i in PH:
sheet.write(row,1, i)#此处在第二列添加数据
row=row+1
row =1
for i in co:
sheet.write(row,2, i)#此处在第二列添加数据
row=row+1
row=1
for i in temp:
sheet.write(row,3, i)#此处在第二列添加数据
row=row+1

    output = StringIO.StringIO()
    wb.save(output)
    output.seek(0)
    response.write(output.getvalue())
    return response
    #return HttpResponse(data_start);

def farm_ajax(request):
if request.method == 'GET':
d1 = request.GET.get('data1')
d2 = request.GET.get('data2')
d3 = request.GET.get('data3')
d4 = request.GET.get('data4')
d5 = request.GET.get('data5')
d6 = request.GET.get('data6')
d7 = request.GET.get('data7')
d8 = request.GET.get('data8')
data_start = request.GET.get('data_start')
data_end = request.GET.get('data_end')
result =excel_ajax(request)
return HttpResponse(result)

转载于:https://www.cnblogs.com/linbinqiang/p/4925058.html