light-application/light-application-wx/utils/dateTimePicker.js

function withData(param) {
    return param < 10 ? '0' + param : '' + param;
}
function getLoopArray(start, end, s) {
    var start = start || 0;
    var end = end || 1;
    var step = s || 1;
    var array = [];
    for (var i = start; i <= end; i += step) {
        array.push(withData(i));
    }
    return array;
}
function getMonthDay(year, month) {
    var flag = year % 400 == 0 || (year % 4 == 0 && year % 100 != 0), array = null;

    switch (month) {
        case '01':
        case '03':
        case '05':
        case '07':
        case '08':
        case '10':
        case '12':
            array = getLoopArray(1, 31)
            break;
        case '04':
        case '06':
        case '09':
        case '11':
            array = getLoopArray(1, 30)
            break;
        case '02':
            array = flag ? getLoopArray(1, 29) : getLoopArray(1, 28)
            break;
        default:
            array = '月份格式不正确，请重新输入！'
    }
    return array;
}
function getNewDateArry() {
    // 当前时间的处理
    var newDate = new Date();
    var year = withData(newDate.getFullYear()),
        mont = withData(newDate.getMonth() + 1),
        date = withData(newDate.getDate()),
        hour = withData(newDate.getHours()),
        minu = withData(newDate.getMinutes()),
        seco = withData(newDate.getSeconds());

    return [year, mont, date, hour, minu, seco];
}
function dateTimePicker(startYear, endYear, date) {
    // 返回默认显示的数组和联动数组的声明
    var dateTime = [], dateTimeArray = [[], [], [], [], [], []];
    var start = startYear || new Date().getFullYear();
    var end = endYear || new Date().getFullYear() + 10;
    // 默认开始显示数据
    var defaultDate = date ? [...date.split(' ')[0].split('-'), ...date.split(' ')[1].split(':')] : getNewDateArry();
    // 处理联动列表数据
    /*年月日 时分秒*/
    dateTimeArray[0] = getLoopArray(start, end);
    dateTimeArray[1] = getLoopArray(1, 12);
    dateTimeArray[2] = getMonthDay(defaultDate[0], defaultDate[1]);
    dateTimeArray[3] = getLoopArray(0, 23);
    dateTimeArray[4] = getLoopArray(0, 50, 10);
    dateTimeArray[5] = getLoopArray(0, 59);

    dateTimeArray.forEach((current, index) => {
        let i = current.indexOf(defaultDate[index]);
        dateTime.push((i > 0 ? i : 0));
    });

    return {
        dateTimeArray: dateTimeArray,
        dateTime: dateTime
    }
}
module.exports = {
    dateTimePicker: dateTimePicker,
    getMonthDay: getMonthDay
}