1、js 获取当前日期星期几

getWeek(time){letweekDay=["周日","周一","周二","周三","周四","周五","周六"];letmyDate=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

functionGetDateStr(AddDayCount,date,type){vardd=newDate(date);dd.setDate(dd.getDate()+AddDayCount);vary=dd.getFullYear();varm=(dd.getMonth()+1)<10?"0"+(dd.getMonth()+1):(dd.getMonth()+1);vard=dd.getDate()<10?"0"+dd.getDate():dd.getDate();if(type){if(date===this.oldTime){return'今天'}else{returnd}}else{returny+"-"+m+"-"+d;}}GetDateStr(-14,'2019-09-12')//2019-08-29GetDateStr(14,'2019-09-12')//2019-09-263、iveiw 时间限制今天之前不可选

<Date-pickertype="date":options="pickerOptionsStart"></Date-picker>pickerOptionsStart:{disabledDate(time){returntime.getTime()<newDate(newDate().toLocaleDateString()).getTime();}}