getDate(){
if(week>53){
return
}
let year = 2019;
let week = 1;
let firstDayWeek =new Date(`${year}-01-01`).getDay();
let firstWeekFirstDay;
if(firstDayWeek<=3){
firstWeekFirstDay = moment(new Date(`${year}-01-01`)).subtract(firstDayWeek, 'days').format('YYYY-MM-DD');
}else{
firstWeekFirstDay = moment(new Date(`${year}-01-01`)).add(7-firstDayWeek, 'days').format('YYYY-MM-DD');
}
let startDate = moment(firstWeekFirstDay).add(7*(week-1),'days').format('YYYY-MM-DD');
let endDate = moment(startDate).add(6,'days').format('YYYY-MM-DD');
console.log('startDate',startDate);
console.log('endDate',endDate);
}
JS 根据年和周获取起止时间
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