根据年月区间获取中间所有的年月列表

<script>
    let str = '2016-06~2020-03'
    let thisYear = new Date().getFullYear()
    function delZero(m) {
        return m.substring(1)
    }
    function addZero(month){
        return Number(month) < 10 ? '0' + month : month
    }
    function getFullYearMonth(year) {
        let result = []
        for(let i = 1;i<=12;i++){
            let item = year + '-' + addZero(i)
            result.push(item)
        }
        return result
    }
    function getMonthList(time) {
        let timeArr = time.split('~'),
            startYear = timeArr[0].split('-')[0],
            startMonth = delZero(timeArr[0].split('-')[1]),
            endYear = timeArr[1].split('-')[0],
            endMonth = delZero(timeArr[1].split('-')[1]),
            result = []
        if((Number(endYear) - Number(startYear))>1){
            let start = Number(startYear)
            let end = Number(endYear)
            result.push(...getThisYearLastMonth(startYear,startMonth))
            for(let i = start+1;i<end;i++){
                result.push(...getFullYearMonth(i))
            }
            result.push(...getThisYearLastMonth(endYear,endMonth))
        }else{
            timeArr.forEach((item)=>{
                let [year,month] = item.split('-')
                month = delZero(month)
                result.push(...getThisYearLastMonth(year,month))
            })
        }
        return result
    }
    function getThisYearLastMonth(year,month){
        let arr = []
        for(let i = 1;i<=12;i++){
            if(year <= thisYear){
                if(i>=month){
                    let item = year + '-' + addZero(i)
                    arr.push(item)
                }
            }else{
                if(i<=month){
                    let item = year + '-' + addZero(i)
                    arr.push(item)
                }
            }

        }
        return arr
    }

    let a = getMonthList(str)
    console.log(a)
</script>