2018-09-27,今天的日期格式,
function formatDate(dt){
if(!dt){
dt = new Date();
}
var year = dt.getFullYear();
var month = dt.getMonth() + 1;
var date = dt.getDate();
if(month<10){
month = '0' + month;
}
if(date<10){
date = '0' +date;
}
return year + '-' + month + '-' + date;
}
var dt = new Date();
var formatDate = formatDate(dt);
console.dir(formatDate);