import (
"github.com/tealeg/xlsx"
)

func (o *orderController) Export(request *restful.Request, response *restful.Response) {
username := request.Attribute(filters.UserName).(string)

orderService := service.NewOrderService(o.Db)

orders, _ := orderService.ListUserOrders(username)

file := xlsx.NewFile()
sheet, _ := file.AddSheet("訂單信息")

titles := []string{"服務類型", "訂單號", "創(chuàng)建時間", "訂單類型", "訂單金額(元)", "訂單狀態(tài)", "原因"}
row := sheet.AddRow()

var cell *xlsx.Cell
for _, title := range titles {
cell = row.AddCell()
cell.Value = title
}

for _, order := range *orders {
values := []string{
getServiceTypeStr(*order.ServiceType),
order.Id,
order.CreateTime.Format("2006-01-02 15:04:05"),
getOrderTypeStr(*order.OrderType),
"1",
getOrderStatusStr(*order.Status),
order.Reason,
}

row = sheet.AddRow()
for _, value := range values {
cell = row.AddCell()
cell.Value = value
}
}

filename := "訂單信息" + ".xlsx"

response.AddHeader("Content-Type", "application/octet-stream")
response.AddHeader("Content-Disposition", "attachment; filename="+filename)
response.AddHeader("Content-Transfer-Encoding", "binary")

//回寫到web 流媒體 形成下載
_ = file.Write(response.ResponseWriter)
}