1. 程式人生 > 實用技巧 >jQuery+Day.js獲取指定日期範圍按周劃分資訊

jQuery+Day.js獲取指定日期範圍按周劃分資訊

Day.js中文官網

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>測試標題</title>
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
    <script src="https://unpkg.com/[email protected]/dayjs.min.js"></script>
    <script src="https://unpkg.com/[email protected]/plugin/isoWeek.js"></script>
    <script src="https://unpkg.com/[email protected]/plugin/weekOfYear.js"></script>
    <script src="https://unpkg.com/[email protected]/plugin/weekYear.js"></script>
    <script src="https://unpkg.com/[email protected]/plugin/dayOfYear.js"></script>
    <script src="https://unpkg.com/[email protected]/plugin/isLeapYear.js"></script>
    <script src="https://unpkg.com/[email protected]/plugin/isoWeeksInYear.js"></script>
    <script src="https://unpkg.com/[email protected]/plugin/isSameOrBefore.js"></script>
    <script src="https://unpkg.com/[email protected]/plugin/isSameOrAfter.js"></script>


    <script>
        dayjs.extend(window.dayjs_plugin_weekOfYear)
        dayjs.extend(window.dayjs_plugin_dayOfYear)
        dayjs.extend(window.dayjs_plugin_weekYear)
        dayjs.extend(window.dayjs_plugin_isoWeek)
        dayjs.extend(window.dayjs_plugin_isLeapYear)
        dayjs.extend(window.dayjs_plugin_isoWeeksInYear)
        dayjs.extend(window.dayjs_plugin_isSameOrBefore)
        dayjs.extend(window.dayjs_plugin_isSameOrAfter)
    </script>

    <script>
        $(document).ready(function () {
            $('#button').on('click', function () {
                var startTime = $('#startTime').val();
                var endTime = $('#endTime').val();
                $('#gridTable > tbody').html('');
                getWeekInfoInYear(startTime, endTime);
            });
        });

        function getWeekNumInYear(date) {
            return dayjs(date).week();
        }

        function getYear(date) {
            return dayjs(date).year();
        }

        function getWeekInfoInYear(startTime, endTime) {
            var startTimeObj = dayjs(startTime);
            var endTimeObj = dayjs(endTime);
            var weekInfoList = new Array();
            for (var year = getYear(startTime); year <= getYear(endTime); year++) {
                var totalWeek = dayjs(year).isoWeeksInYear();
                for (var i = 1; i <= totalWeek; i++) {
                    var pass = true;
                    
                    // 獲取當前星期的星期一和星期天日期
                    var start = dayjs(year+'01-01').week(i).isoWeekday(1).format('YYYY-MM-DD');
                    var end = dayjs(year+'01-01').week(i).isoWeekday(7).format('YYYY-MM-DD');

                    //如果起始時間大於當前區間開始時間,小於區間結束時間,將區間開始時間 = 起始時間
                    if (startTimeObj.isSameOrAfter(dayjs(start)) && startTimeObj.isSameOrBefore(dayjs(end))) {
                        start = startTimeObj.format('YYYY-MM-DD');
                    }

                    //如果終止時間大於當前區間開始時間,小於區間結束時間,將區間結束時間 = 終止時間
                    if (endTimeObj.isSameOrAfter(dayjs(start)) && endTimeObj.isSameOrBefore(dayjs(end))) {
                        end = endTimeObj.format('YYYY-MM-DD');
                    }

                    //如果當前區間結束時間小於起始時間 或者 當前區間開始時間大於結束時間 則不落入範圍內排除
                    if (dayjs(end).isBefore(startTime) || dayjs(start).isAfter(endTime)) {
                        pass = false;
                    }

                    if (pass) {
                        var weekMap = {
                            year: year,
                            week: i,
                            start: start,
                            end: end
                        };
                        weekInfoList.push(weekMap);
                    }
                }
            }
            console.info(weekInfoList);
            for (var i = 0; i < weekInfoList.length; i++) {
                var element = $('#gridTable > tbody');
                element.append('<tr>');
                element.append('<td>' + weekInfoList[i].year + '</td><td>' + weekInfoList[i].week + '</td><td>' + weekInfoList[i].start + '</td><td>' + weekInfoList[i].end + '</td>');
                element.append('</tr>');
            }
        }
    </script>
</head>

<body>
    <h1 style="color:red">基於dayjs獲取某一範圍內按周劃分資訊</h1>
    <div>開始時間<input id="startTime" /></div>
    <div>結束時間<input id="endTime" /></div>
    <button id="button">計算</button>
    <table id="gridTable" border="1">
        <thead>
            <tr>
                <th>年份</th>
                <th>星期數</th>
                <th>開始時間</th>
                <th>結束時間</th>
            </tr>
        </thead>
        <tbody>

        </tbody>
    </table>
</body>

</html>