django读取数据库导出excel

路由

  path(r'^export/xls/$', views.export_excel, name='export_excel'),

函数

import xlwt
from django.http import HttpResponse
from django.contrib.auth.models import User

def export_excel(request):
    """导出记录的视图"""
    device_li = Goods.objects.all() #查询库里所有数据

    # 设置HTTPResponse的类型
    response = HttpResponse(content_type='application/vnd.ms-excel')
    response['Content-Disposition'] = 'attachment;filename=device_data.xls'
    """导出excel表"""
    if device_li:
        # 创建工作簿
        ws = xlwt.Workbook(encoding='utf-8')
        # 添加第一页数据表
        w = ws.add_sheet('sheet1')  # 新建sheet（sheet的名称为"sheet1"）
        # 写入表头
        w.write(0, 0, u'名称')
        w.write(0, 1, u'价格')
        w.write(0, 2, u'id')

        # 写入数据
        excel_row = 1
        for obj in device_li:
            name = obj.name
            price = obj.price
            id = obj.id
            w.write(excel_row, 0, name)
            w.write(excel_row, 1, price)
            w.write(excel_row, 2, id)

            excel_row += 1
        # 写出到IO
        output = io.BytesIO()
        ws.save(output)
        # 重新定位到开始
        output.seek(0)
        response.write(output.getvalue())
    return response

视图

<h3><a href="{% url 'export_excel' %}">Export all goods</a></h3>