笔记

两个日期之间差多少天

Nodejs, 笔记

两个日期之间差多少天

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let getDayDiff = function (time1, time2) {// "YYYY-MM-DD"
    // 
    let time1Date = new Date(time1);
    time1Date.setHours(0);
    time1Date.setMinutes(0);
    time1Date.setSeconds(0);
    time1Date.setMilliseconds(0);
    
    let time2Date = new Date(time2);
    time2Date.setHours(0);
    time2Date.setMinutes(0);
    time2Date.setSeconds(0);
    time2Date.setMilliseconds(0);
    
    let timeDiff = time1Date.getTime() - time2Date.getTime();//时间差的毫秒数
    let dayDiff = Math.floor(timeDiff / (24 * 3600 * 1000));//计算出相差天数
    return dayDiff;
}