获取当前日期

export const getStandardDate = ()=>{

var _date=new Date();

var year=_date.getFullYear();

var month=_date.getMonth()+1;

var day=_date.getDate();

if (month<10) {

  month='0'+month;

}else {

        month=''+month;

}

if (day<10) {

  day='0'+day;

}else {

        day=''+day;

}

return year+'-'+month+'-'+day;

}