var _date=new Date();

var _year=_date.getYear();
var _month=_date.getMonth()+1;
var _day=_date.getDate();

var _week=_date.getDay();
var _cn_week=["日","一","二","三","四","五","六"];
_week=_cn_week[_week];

var _hour=_date.getHours();
var _minute=_date.getMinutes();
var _second=_date.getSeconds();

var hello;
hello = _year+"年";
hello += _month+"月";
hello += _day+"日 星期";
hello += _week+" ";

document.write(hello);