var mydate = new Date();
  var year=mydate.getYear();       //获取当前年份(2位)
  var month=mydate.getMonth()+1;
  var day=mydate.getDate();
  var week=mydate.getDay();
  var H=mydate.getHours();
  var M=mydate.getMinutes();
  var S=mydate.getSeconds();
  if(week==1)
  {
    weekday="星期一";
  }else if(week==2){
    weekday="星期二";
  }else if(week==3){
    weekday="星期三";
  }else if(week==4){
    weekday="星期四";
  }else if(week==5){
    weekday="星期五";
  }else if(week==6){
    weekday="星期六";
  }else if(week==0){
    weekday="星期天";
  }
  if(M<10){
  M="0"+M
  }
  document.write("&nbsp;"+year+"年"+month+"月"+day+"日&nbsp;"+weekday);