从两个时间段里分别计算出有几天工作日与周末

直接上代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>从两个时间段里分别计算出有几天工作日与周末</title>
    <style type="text/css">
    #calculate {
        background-color: #ff6444;
        padding: 10px;
        color: #fff;
        cursor: pointer;
        text-align: center;
        display: inline-block;
    }
    </style>
</head>

<body>
    <div style="margin-top: 10px;">
        <input type="text" id="date1" value="2018-01-21">
        <input type="text" id="date2" value="2018-01-31">
        <sapn id="calculate">计算</span>
    </div>
    <div id="work"></div>
    <div id="weekend"></div>
    <script>
    //获取标签ID的方法    
    function getId(id) {
        return document.getElementById(id);
    }
    //获取工作日的方法
    function getWorkDay(first, last) {
        //获取开始时间的总毫秒数
        first = first.getTime();
        //获取结束时间的总毫秒数
        last = last.getTime();
        var count = 0;//设置一个容器来保存有多少个工作日

        if (first <= last) {
            for (var i = first; i <= last; i += 24 * 3600 * 1000) {
                var d = new Date(i);
                if (d.getDay() >= 1 && d.getDay() <= 5) {
                    count++;
                }
            }
            return count;
        } else {
            return '输入日期有误';
        }

    }
    //获取周末的方法
    function getWeekendDay(first, last) {
        first = first.getTime();
        last = last.getTime();
        var sum = 0;
        if (first <= last) {
            for (var i = first; i <= last; i += 24 * 3600 * 1000) {
                var d = new Date(i);
                if (d.getDay() == 0 || d.getDay() == 6) {
                    sum++;
                }
            }
            return sum;
        } else {
            return '输入日期有误';
        }

    }
    
    var calculate = getId('calculate');
    calculate.onclick = function() {
        var date1 = getId('date1').value.split('-');
        var date2 = getId('date2').value.split('-');
        var d1 = new Date(date1[0], date1[1] - 1, date1[2]);
        var d2 = new Date(date2[0], date2[1] - 1, date2[2]);

        var all_day = parseInt(d2.getTime() - d1.getTime()) / (24 * 3600 * 1000);

        var r = getWorkDay(d1, d2); //工作日
        var w = getWeekendDay(d1, d2); //周末
        var work = getId('work');
        var weekend = getId('weekend');

        if (r > 0 && w > 0) {
            work.innerHTML = '从' + date1[0] + '-' + date1[1] + '-' + date1[2] + '到' + date2[0] + '-' + date2[1] + '-' + date2[2] + '有' + r + '个工作日';
            weekend.innerHTML = '从' + date1[0] + '-' + date1[1] + '-' + date1[2] + '到' + date2[0] + '-' + date2[1] + '-' + date2[2] + '有' + w + '个休息日';
        } else {
            work.innerHTML = r;
            weekend.innerHTML = w;
        }


    }
    </script>
</body>

</html>

 

posted @ 2018-01-27 17:06  松歌  阅读(1032)  评论(0)  编辑  收藏  举报