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1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 5 <title>制作12小时进制的时钟</title> 6 <script type="text/javascript"> 7 8 function clock_12h() 9 { 10 var today = new Date(); //获得当前时间 11 //获得年、月、日，Date()函数中的月份是从0－11计算 12 var year = today.getFullYear(); 13 var month = today.getMonth()+1; 14 var date = today.getDate(); 15 var hour = today.getHours(); //获得小时、分钟、秒 16 var minute = today.getMinutes(); 17 var second = today.getSeconds(); 18 19 var apm="AM"; //默认显示上午: AM 20 if (hour>12) //按12小时制显示 21 { 22 hour=hour-12; 23 apm="PM" ; 24 } 25 var weekday = 0; 26 switch(today.getDay()){ 27 case 0: 28 weekday = "星期日"; 29 break; 30 case 1: 31 weekday = "星期一"; 32 break; 33 case 2: 34 weekday = "星期二"; 35 break; 36 case 3: 37 weekday = "星期三"; 38 break; 39 case 4: 40 weekday = "星期四"; 41 break; 42 case 5: 43 weekday = "星期五"; 44 break; 45 case 6: 46 weekday = "星期六"; 47 break; 48 } 49 50 /*设置div的内容为当前时间*/ 51 document.getElementById("myclock").innerHTML="<h2>你好，欢迎访问贵美商城！</h2><h2>"+year+"年"+month+"月"+date+"日 "+hour+":"+minute+":"+second+" "+apm+" "+weekday+"</h2>"; 52 53 } 54 /*使用setInterval()每间隔指定毫秒后调用clock_12h()*/ 55 var myTime = setInterval("clock_12h()",1000); 56 57 </script> 58 </head> 59 60 <body> 61 <div id="myclock"></div> 62 </body> 63 </html>
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原文地址：http://www.cnblogs.com/jimorulang/p/5533079.html
