function time()

{

  var today = new Date(); //新建一个Date对象
  var date = today.getDate();//查询当月日期
  var day = today.getDay();//查询当前星期几
  var month = today.getMonth()+1;//查询月份
  var year = today.getFullYear();//查询年份
  var hour=today.getHours();
  var week="";
  if (day==0) week='星期日';
  if (day==1) week='星期一';
  if (day==2) week='星期二';
  if (day==3) week='星期三';
  if (day==4) week='星期四';
  if (day==5) week='星期五';
  if (day==6) week='星期六';

//写入相应id

 return "您好！今天是 "+year+"年"+month+"月"+date+"日"+" "+week;

}