95 lines
2.8 KiB
JavaScript
95 lines
2.8 KiB
JavaScript
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let data = new Date() //当前日期
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let year = Number(data.getFullYear());//当前年
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let month = Number(data.getMonth())+1;
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let nowMonth =Number(data.getMonth()); //当前月
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let day = Number(data.getDate()); //当天
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let mydate=new Date(year,month-1,day);
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let weekday=mydate.getDay(); //获取该日是星期几，0代表星期日//今天本周的第几天
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let weekno=Math.ceil((day + 6 - weekday) / 7); // 本月第几周
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//获取当前周的开始结束时间
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function formatDate(date) {
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let myyear = Number(date.getFullYear());
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let mymonth = Number(date.getMonth()+1);
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let myweekday = Number( date.getDate());
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if(mymonth < 10){
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mymonth = "0" + mymonth;
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}
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if(myweekday < 10){
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myweekday = "0" + myweekday;
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}
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return (myyear+"-"+mymonth + "-" + myweekday);
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}
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//获得本周的开始日期
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function getWeekStartDate() {
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let weekStartDate = new Date(year, nowMonth, day - weekday);
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return formatDate(weekStartDate);
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}
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//获得本周的结束日期
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function getWeekEndDate() {
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let weekEndDate = new Date(year, nowMonth, day + 6 - weekday);
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return formatDate(weekEndDate);
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}
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//获取本周 所有日期
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function getWeekDay() {
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let weekStartDate = new Date(year, nowMonth, day - weekday);
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let weekStartTime = new Date(weekStartDate).getTime()
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console.log(weekStartDate,weekStartTime)
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let time = 24*60*60*1000 //一天的毫秒时间
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let arr = [{date:'',week:'',day:''},{date:'',week:'',day:''},{date:'',week:'',day:''},{date:'',week:'',day:''},{date:'',week:'',day:''},{date:'',week:'',day:''},{date:'',week:'',day:''}]
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for( i=0; i<7; i++ ) {
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let daytime = new Date(weekStartTime + (i*time))
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let date = formatDate(daytime)
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let d = daytime.getDate()
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arr[i].date = date
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arr[i].week = i+1
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arr[i].day = d
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}
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return arr
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}
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//获取 今天 day
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function getNowDay() {
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var date = new Date();
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var day = date.getDate();
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return day
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}
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//当天
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function getNowData() {
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return year+'-'+(month >= 10 ? month : '0'+month)+'-'+(day >= 10 ? day : '0'+day)
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}
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//本月的开始 时间
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function getMonthFirstDay() {
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var monthStartDate = new Date(year, nowMonth, 1);
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let fy = new Date(monthStartDate).getFullYear()
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let fm = new Date(monthStartDate).getMonth() + 1
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let fd = new Date(monthStartDate).getDate()
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return fy+'-'+(fm >= 10 ? fm : '0'+fm)+'-'+(fd >= 10 ? fd : '0'+fd)
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}
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//本月的 结束 时间
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function getMonthLastDay() {
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var monthEndDate = new Date(year, nowMonth+1, 0);
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let fy = new Date(monthEndDate).getFullYear()
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let fm = new Date(monthEndDate).getMonth() + 1
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let fd = new Date(monthEndDate).getDate()
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return fy+'-'+(fm >= 10 ? fm : '0'+fm)+'-'+(fd >= 10 ? fd : '0'+fd)
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}
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module.exports = {
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getWeekStartDate:getWeekStartDate,
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getWeekEndDate:getWeekEndDate,
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getNowDay:getNowDay,
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getNowData:getNowData,
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getWeekDay:getWeekDay,
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monthStartDate:getMonthFirstDay,
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monthEndDate:getMonthLastDay
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}
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