lims-extend/util/util.go

package util

import (
	"gorm.io/gorm"
	"strconv"
	"strings"
)

type result struct {
	ID string
}

func GetNextId(db *gorm.DB, tableName string) string {
	var res result
	db.Table(tableName).Order("create_time desc").Select("id").Last(&res)
	strSlice := strings.Split(res.ID, "_")
	num, _ := strconv.Atoi(strSlice[len(strSlice)-1:][0])
	num += 1
	strSlice = append(strSlice[:len(strSlice)-1], strconv.Itoa(num))
	resId := strings.Join(strSlice, "_")
	return resId
}