JavaScript獲取系統當前時間
<!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></pre>
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