获取今天和昨天的日期及星期
//获取日期
function getDaynum(num, str) {
var today = new Date();
var nowTime = today.getTime();
var ms = 24*3600*1000*num;
today.setTime(parseInt(nowTime + ms));
var oYear = today.getFullYear();
var oMoth = (today.getMonth() + 1).toString();
if (oMoth.length <= 1)
oMoth = '0' + oMoth;
var oDay = today.getDate().toString();
if (oDay.length <= 1)
oDay = '0' + oDay;
return oYear + str + oMoth + str + oDay;
}
//获取星期几
function getWeek(dateString){
var date;
var dateArray = dateString.split("-");
date = new Date(dateArray[0], parseInt(dateArray[1] - 1), dateArray[2]);
return "星期" + "日一二三四五六".charAt(date.getDay());
};
//今天
var today = getWeek(getDaynum(-0, '-'));
//昨天
var yestday = getWeek(getDaynum(-1, '-'));