1、js 获取当前日期星期几

getWeek(time) {

    let weekDay = ["周日","周一", "周二", "周三", "周四", "周五", "周六"];    

    let myDate = newDate(Date.parse(time));  

    returnweekDay[myDate.getDay()]

},

console.log(getWeek('2019-09-11')   // 周三

2、js 计算某个时间前 15天后15天

function GetDateStr(AddDayCount, date, type) { 
        var dd = new Date(date);
        dd.setDate(dd.getDate()+AddDayCount);        var y = dd.getFullYear(); 
        var m = (dd.getMonth()+1)<10?"0"+(dd.getMonth()+1):(dd.getMonth()+1);        var d = dd.getDate()<10?"0"+dd.getDate():dd.getDate();        if(type){            if(date === this.oldTime) {                return '今天'
            } else {                return d
            }
        } else {            return y + "-" + m + "-" + d; 
        }
}
GetDateStr(-14, '2019-09-12')  //  2019-08-29 GetDateStr(14, '2019-09-12')  //  2019-09-26

3、iveiw 时间限制今天之前不可选

<Date-picker 

  type="date" 

  :options="pickerOptionsStart" ></Date-picker>

pickerOptionsStart: {

  disabledDate (time) {    return time.getTime() < new Date(new Date().toLocaleDateString()).getTime();

  }

}

ITPub博客

JS调用时间的方法和计算

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