golang获取上月的开始日期和结束日期

通过系统time来获取上月的开始和结束日期

package main

import (
    "fmt"
    "time"
)

const DATE_FORMAT = "2006-01-02"

func main() {
    year, month, _ := time.Now().Date()
    thisMonth := time.Date(year, month, 1, 0, 0, 0, 0, time.Local)
    start := thisMonth.AddDate(0, -1, 0).Format(DATE_FORMAT)
    end := thisMonth.AddDate(0, 0, -1).Format(DATE_FORMAT)
    timeRange := fmt.Sprintf("%s~%s", start, end)
    fmt.Println(timeRange)
}