//获取endtime
function obtainendtime(starttime, item) {
    let currentDate = new Date(starttime)
    let nextDate
    if (item.packageTermUnit == '年') {
        currentDate.setFullYear(currentDate.getFullYear() + Number(item.packageTerm));
        currentDate.setDate(currentDate.getDate() - 1);
        let nextYear = currentDate.getFullYear();
        let nextMonth = checkMonth(currentDate.getMonth() + 1);// 因日期中的月份表示为0-11，所以要显示正确的月份，需要 + 1
        let nextday = checkMonth(currentDate.getDate())
        nextDate = nextYear + "-" + nextMonth + "-" + nextday; // "2019-05"
    } else if (item.packageTermUnit == '月') {
        currentDate.setMonth(currentDate.getMonth() + Number(item.packageTerm)); // 加一个月
        currentDate.setDate(currentDate.getDate() - 1); // 减一天
        let nextYear = currentDate.getFullYear();
        let nextMonth = checkMonth(currentDate.getMonth() + 1);// 因日期中的月份表示为0-11，所以要显示正确的月份，需要 + 1
        let nextday = checkMonth(currentDate.getDate())
        nextDate = nextYear + "-" + nextMonth + "-" + nextday; // "2019-05"
    } else if (item.packageTermUnit == '日') {
        currentDate = new Date(currentDate.setDate(currentDate.getDate() + Number(item.packageTerm)));
        let nextYear = currentDate.getFullYear();
        let nextMonth = checkMonth(currentDate.getMonth() + 1);// 因日期中的月份表示为0-11，所以要显示正确的月份，需要 + 1
        let nextday = checkMonth(currentDate.getDate())
        nextDate = nextYear + "-" + nextMonth + "-" + nextday; // "2019-05"
    }
    return nextDate
}
function checkMonth(i) {
    if (i < 10) {
        i = "0" + i;
    }
    return i;
}
export { obtainendtime }