$hour = date(”H”);
if($hour < 12)
echo ‘morning.css';
else if($hour < 17)
echo ‘day.css';
else
echo ‘night.css';
?>
" />
二、采用JavaScript代码
function getCSS(){
datetoday = new Date();
timenow=datetoday.getTime();
datetoday.setTime(timenow);
thehour = datetoday.getHours();
if (thehour<12)
display = "morning.css";
else if (thehour<17)
display = "day.css";
else
display = "night.css";
//(…想要更多再加即可…)
var css = ‘<';
css+='link rel="stylesheet" href='+display+' \/';
css+='>';
document.write(css);
}
–>
script>