【JS 日期】获取当前日期时间

Js 时钟

function timeGo() {
    setInterval(function () {
        var date = new Date();
        var year = date.getFullYear(); //当前年份
        var month = date.getMonth(); //当前月份
        var data = date.getDate(); //天
        var hours = date.getHours(); //小时
        var minute = date.getMinutes(); //分
        var second = date.getSeconds(); //秒
        var day = date.getDay(); //获取当前星期几
        // day = day == 0 ? "日" : day;
        var ampm = hours < 12 ? 'am' : 'pm';
        $('#time').html(fnW(hours) + ":" + fnW(minute) + ":" + fnW(second));
        $('#date').html('<span>' + year + '/' + (month + 1) + '/' + data + '</span><span>' + ampm + '</span><span>周' + getWeekUpper(day) + '</span>')
    }, 1000);
    function fnW(str) {
        var num;
        str >= 10 ? num = str : num = "0" + str;
        return num;
    }
    function getWeekUpper(day) {
        var res = "";
        switch (day) {
            case 1:
                res = "一";
                break;
            case 2:
                res = "二";
                break;
            case 3:
                res = "三";
                break;
            case 4:
                res = "四";
                break;
            case 5:
                res = "五";
                break;
            case 6:
                res = "六";
                break;
            case 0:
                res = "一";
                break;
        }
        return res;
    }
}

 

function getNowTime() {
    var date = new Date();
    this.year = date.getFullYear();
    this.month = date.getMonth() + 1;
    this.date = date.getDate();
    this.hour = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
    this.minute = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
    this.second = date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();
    this.milliSeconds = date.getMilliseconds();
    var currentTime = this.year + '-' + this.month + '-' + this.date + ' ' + this.hour + ':' + this.minute + ':' + this.second + '.' + this.milliSeconds;
    return currentTime;
}

 

获取当前日期时间

<!DOCTYPE html>
<html>
<head></head>
<body>
<script>
    window.onload = function () {
        getDateTime();
    }
    function getDateTime() {
        console.log(getLangDate());
        setTimeout("getDateTime()", 1000);
    }
    function getLangDate() {
        var dateObj = new Date(); //表示当前系统时间的Date对象
        var year = dateObj.getFullYear(); //当前系统时间的完整年份值
        var month = dateObj.getMonth() + 1; //当前系统时间的月份值
        var date = dateObj.getDate(); //当前系统时间的月份中的日
        var day = dateObj.getDay(); //当前系统时间中的星期值
        var weeks = ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"];
        var week = weeks[day]; //根据星期值，从数组中获取对应的星期字符串
        var hour = dateObj.getHours(); //当前系统时间的小时值
        var minute = dateObj.getMinutes(); //当前系统时间的分钟值
        var second = dateObj.getSeconds(); //当前系统时间的秒钟值
        var timeValue = "" + ((hour >= 12) ? (hour >= 18) ? "晚上" : "下午" : "上午" ); //当前时间属于上午、晚上还是下午
        var newDate = dateFilter(year) + "-" + dateFilter(month) + "-" + dateFilter(date) + " " +
                dateFilter(hour) + ":" + dateFilter(minute) + ":" + dateFilter(second);
        return newDate;
    }
    function dateFilter(date) {
        return date < 10 ? ("0" + date) : date;
    }
</script>
</body>
</html>
posted @ 2020-01-21 22:25  一只桔子2233  阅读(818)  评论(0)  编辑  收藏  举报