/**
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* 时间前后向前推算时间集合
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* @param {string:before|after} timebd：获取时间往后推，还是往前推，
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* @param {boole} haveCurrentDay：包不包含当天时间，
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* @param {number} Days：计算几天的时间，
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* @param {string:"2023-11-02"} timing：指定不指定当天的日期
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* @returns {array}数据集合
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*/
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export const nextDay = (timebd, haveCurrentDay, Days, timing) => {
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let today = new Date() //获取今天的日期
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if (timing) {
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today = new Date(timing)
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}
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let date2 = new Date(today);
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let dateArray = []
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timebd=timebd ? timebd:"after"
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haveCurrentDay=haveCurrentDay ? true:false
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Days=Days ? Days:7
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function TimestampToDate2(Timestamp) {
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let now = new Date(Timestamp),
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y = now.getFullYear(),
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m = now.getMonth() + 1,
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d = now.getDate();
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return y + "-" + (m < 10 ? "0" + m : m) + "-" + (d < 10 ? "0" + d : d);
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}
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let fori=haveCurrentDay ? 0:1;
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let fortotal=haveCurrentDay ? Days:Days+1;
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for(let i = fori; i < fortotal; i++){
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let everyDay=""
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if (timebd=="after") {//未来
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everyDay=date2.setDate(today.getDate() + i)
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}else{//过去
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everyDay=date2.setDate(today.getDate() - i)
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}
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dateArray.push(TimestampToDate2(everyDay)) //获取未来7天内的日期
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}
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if (timebd=="after") {//未来
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return dateArray
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}else{//过去
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return dateArray.reverse()
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}
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}
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/**
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* 返回两个日期之前的天数
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*/
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export const getDateByDays = (startDate, endDdate) => {
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let d1 = Date.parse(new Date(startDate));
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let d2 = Date.parse(new Date(endDdate));
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// 时间戳相减 / 天数
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let day = parseInt((d2 - d1) / (1000 * 60 * 60 * 24));
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return day
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}
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// 获取多少天后的日期
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export const getDaysAfterDate = (date, days) => {
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if (days === 0) {
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return '2099-01-01'
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}
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const now = new Date(date);
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now.setDate(now.getDate() + days);
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const year = now.getFullYear();
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const month = now.getMonth() + 1; // 月份是从0开始的
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const day = now.getDate();
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return `${year}-${month.toString().padStart(2, '0')}-${day.toString().padStart(2, '0')}`;
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}
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