第一、代码脚本部分

// 网站运行时间
date_default_timezone_set('Asia/Shanghai');
function getBuildTime(){
// 在下面按格式输入本站创建的时间
$site_create_time = strtotime('2010-09-10 00:00:00');
$time = time() - $site_create_time;
if(is_numeric($time)){
$value = array(
"years" => 0, "days" => 0, "hours" => 0,
"minutes" => 0, "seconds" => 0,
);
if($time >= 31556926){
$value["years"] = floor($time/31556926);
$time = ($time%31556926);
}
if($time >= 86400){
$value["days"] = floor($time/86400);
$time = ($time%86400);
}
if($time >= 3600){
$value["hours"] = floor($time/3600);
$time = ($time%3600);
}
if($time >= 60){
$value["minutes"] = floor($time/60);
$time = ($time%60);
}
$value["seconds"] = floor($time);

echo '<span class="btime">'.$value['years'].'年'.$value['days'].'天'.$value['hours'].'小时'.$value['minutes'].'分</span>';
}else{
echo '';
}
}

代码丢到当前Typecho Functions.php文件中

第二、调出方法

<?php getBuildTime(); ?>

将代码丢到我们模板需要展示的位置，有些是侧边，有些是底部，然后根据实际需要调整样式。