获取系统当前时间
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title>test08.html</title><script type="text/javascript">function showTime(){var today=new Date();var year=today.getFullYear();var month=today.getMonth()+1;var date=today.getDate();var hour=today.getHours();hour=checkTime(hour);var shangxia="上午";if(hour>12){shangxia="下午";hour=hour-12;}var minute=today.getMinutes();minute=checkTime(minute);var second=today.getSeconds();second=checkTime(second);var day=today.getDay();var weekday;switch(day){case 0:weekday="星期天";break;case 1:weekday="星期一";break;case 2:weekday="星期二";break;case 3:weekday="星期三";break;}var currentTime=year+"年"+month+"月"+date+"日 "+hour+":"+minute+":"+second+" "+shangxia+" "+weekday;document.getElementById("time").innerHTML=currentTime; }function checkTime(t){if(t<10){t="0"+t;}return t;}setInterval("showTime()",1000);</script></head><body><div id="time"></div></body></html>
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