gostock/internal/logic/strategy/rule/up_date.go

package rule

import (
	"log"
	"time"
)

func (r *RuleFactory) RunUpDate(lastdate string) {
	log.Println("RunUpDate:", r.Model.Code, "Args:", lastdate)
	// 计算上市不足半年的股票
	if lastdate == "" {
		r.Model.UpDateDay = -1
		r.Model.AddDesc("无上市时间")
		return
	}
	lastDate, err := time.Parse("20060102", lastdate)
	if err != nil {
		r.Model.UpDateDay = -1
		r.Model.AddDesc("上市时间格式错误")
		return
	}

	daysDiff := int(time.Since(lastDate).Hours() / 24)
	r.Model.UpDateDay = daysDiff
}