$(function(){
    var today = new Date(); 
    var day; 
    if(today.getDay()==0) day = "星期日" 
    if(today.getDay()==1) day = "星期一" 
    if(today.getDay()==2) day = "星期二" 
    if(today.getDay()==3) day = "星期三" 
    if(today.getDay()==4) day = "星期四" 
    if(today.getDay()==5) day = "星期五" 
    if(today.getDay()==6) day = "星期六" 
    date1 = "今天是"+today.getFullYear() + "年" + (today.getMonth() + 1 ) + "月" + today.getDate() + "日 "; 
    date2 = day ; 
    var time="";
    var hours=today.getHours();
    if(hours>=1&&hours<=8)
    {
        time="早上好:";
    }
    else if(hours>=8&&hours<=11)
    {
        time="上午好:";
    }
    else if(hours>11&&hours<=13)
    {
        time="中午好:";
    }
    else if(hours>13&&hours<=18)
    {
        time="下午好:";
    }
    else if(hours>18&&hours<=24)
    {
        time="晚上好:";
    }
    $("#today").html(date1+date2);
    $("#hello").html(time);
});