objs = Units.objects.all()# 创建 Workbook 时，如果需要写入中文，请使用 utf-8 编码，默认是 unicode 编码。wb = xlwt.Workbook(encoding=‘utf-8‘)ws = wb.add_sheet(‘配件价格‘)ws.write(0, 0, ‘配件编号‘)ws.write(0, 1, ‘配件名称‘)ws.write(0, 2, ‘配件价格‘)ws.write(0, 3, ‘商场‘)excel_row = 1for obj in objs:    ws.write(excel_row, 0, obj.unitid)    ws.write(excel_row, 1, obj.unitname)    ws.write(excel_row, 2, obj.price)    ws.write(excel_row, 3, obj.marketid)    excel_row = excel_row + 1# ------ 开始：这段代码可以用下面注释段替代，都是本应保存为文件格式的改成保存为数据流，以便返回前端下载response = HttpResponse(content_type=‘application/vnd.ms-excel‘)response[‘Content-Disposition‘] = ‘attachment; filename=example.xls‘wb.save(response)return response# ------ 结束"""sio = StringIO.StringIO()wb.save(sio)response = HttpResponse(sio.getvalue(),content_type=‘application/vnd.ms-excel‘) response[‘Content-Disposition‘] = ‘attachment; filename=test.xls‘          return response"""