package main

import (
	"fmt"
	"strconv"
	"testing"
	"time"
)

func TestMonth(T *testing.T) {

	// 创建2023年12月31日的时间对象
	date := time.Date(2023, time.August, 30, 0, 0, 0, 0, time.UTC)
	next := date.AddDate(0, -1, -1)
	month := int(next.Month())
	monthStr := strconv.Itoa(month)
	year := next.Year()
	yearStr := strconv.Itoa(year)

	//预处理索引名称
	PreBiddingIndex := "bidding_" + yearStr + monthStr
	fmt.Sprintf(PreBiddingIndex)
}