/**
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* 获取某年某月有多少天
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*/
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export const getOneMonthDays = (year, month) => {
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month = Number(month);
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const baseMonthsDays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
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if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)) {
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if (month === 1) {
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baseMonthsDays[month] = 29;
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}
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}
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return baseMonthsDays[month];
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}
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/**
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* 获取日期的年月日时分秒
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*/
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export const getTimeArray = (data) => {
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const year = data.getFullYear();
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const month = data.getMonth() + 1;
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const date = data.getDate();
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const hour = data.getHours();
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const minute = data.getMinutes();
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const second = data.getSeconds();
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return [year, month, date, hour, minute, second];
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}
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/**
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* 小于10的数字前面补0
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*/
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export const addZero = (num) => {
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if (num / 1 == 0) {
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return "00";
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}
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num = "" + num;
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return num < 10 ? (num.substr(0, 1) == 0 ? num : ('0' + num)) : num;
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}
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/**
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* 小于10的数字前面去除0
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*/
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export const removeZero = (num) => {
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if (num / 1 == 0) {
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return 0
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}
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num = "" + num;
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return num.substr(0, 1) == 0 ? (num.substr(1)) : num;
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}
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/**
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* 获取当前值在数组中的索引
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*/
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export const getIndexOfArray = (value, array, key) => {
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let index;
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if (key) {
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index = array.findIndex(item => item[key] == value);
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} else {
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index = array.findIndex(item => item == value);
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}
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return index > -1 ? index : 0;
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}
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/**
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* 获取季度
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*/
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export const getQuarterArray = (startMOnth, endMOnth) => {
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let arr = ["一季度", "二季度", "三季度", "四季度"];
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let start = Math.ceil(startMOnth / 3);
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let end = Math.ceil(endMOnth / 3);
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if (end < start) {
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return arr;
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} else {
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return arr.slice(start - 1, end);
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}
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}
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/**
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* 是否为范围选择
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*/
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export const isRange = (type) => {
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return type.indexOf("range") > -1;
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}
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/**
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* 是否仅为时间选择
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*/
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export const isOnlyTime = (type) => {
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return ["time", "hour-minute", "time-range"].includes(type);
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}
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/**
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* 获取start,end之间有多少周
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*/
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export const getTotalWeeks = (start, end, en, weekType) => {
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if (weekType === 'firstDay') {
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return getFirstDayTotalWeeks(start, end, weekType)
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}
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//获取end当前周的第一天
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let endMon = getWeekFirstDate(new Date(end), en);
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//获取start当前周的第一天
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let startMon = getWeekFirstDate(new Date(start), en);
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let year = new Date(start).getFullYear();
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let firMon = getWeekFirstDate(new Date(year + '/01/01'), en);
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if (weekType === 'fullWeek') {
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if (new Date(startMon).getFullYear() != year) {
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let curTime = new Date(startMon);
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startMon = curTime.setDate(curTime.getDate() + 7);
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}
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if (new Date(firMon).getFullYear() != year) {
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let curTime = new Date(firMon);
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firMon = curTime.setDate(curTime.getDate() + 7);
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}
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}
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return getStartAndEndWeek(firMon, startMon, endMon, weekType);
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}
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/**
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* 获取当前周的第一天
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* 默认周一为第一天，en=true 时周日为第一天
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*/
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function getWeekFirstDate(date, en = false) {
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let temptTime = new Date(date);
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let weekday = temptTime.getDay() || (en ? 0 : 7);
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return temptTime.setDate(temptTime.getDate() - weekday + (en ? 0 : 1));
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}
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/**
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* 获取当前年第week周的第一天和最后一天
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* 默认周一为第一天，en=true 时周日为第一天
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*/
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export const getFirstAndLastDate = (year, week, en, weekType) => {
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let firstDate = new Date(getWeekFirstDate(new Date(year + '/01/01'), en));
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if (weekType === 'fullWeek') {
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if (firstDate.getFullYear() != year) {
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firstDate.setDate(firstDate.getDate() + 7);
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}
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}
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if (weekType === 'firstDay') {
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firstDate = new Date(year + '/01/01');
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}
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firstDate = new Date(firstDate.setDate(firstDate.getDate() + (week - 1) * 7));
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let lastDate = new Date(firstDate);
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lastDate = new Date(lastDate.setDate(lastDate.getDate() + 6));
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const [fy, fm, fd] = getTimeArray(firstDate);
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const [ly, lm, ld] = getTimeArray(lastDate);
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const start = `${fy}-${addZero(fm)}-${addZero(fd)}`;
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const end = `${ly}-${addZero(lm)}-${addZero(ld)}`;
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return {
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start,
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end
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};
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}
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function getStartAndEndWeek(first, start, end) {
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let d = Math.ceil((end.valueOf() - first.valueOf()) / 8.64e7) + 1;
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let endWeek = Math.ceil(d / 7);
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let startWeek = 1;
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if (start !== first) {
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let d = Math.ceil((start.valueOf() - first.valueOf()) / 8.64e7) + 1;
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startWeek = Math.ceil(d / 7);
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}
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return [startWeek, endWeek];
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}
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function getFirstDayTotalWeeks(start, end, weekType) {
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let year = new Date(start).getFullYear();
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let startTime = new Date(start).getTime();
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let endTime = new Date(end).getTime();
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let firstTime = new Date(year + '/01/01').getTime();
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return getStartAndEndWeek(firstTime, startTime, endTime, weekType)
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}
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