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1 function showtime() { 2 var today; 3 var hour; 4 var second; 5 var minute; 6 var year; 7 var month; 8 var date; 9 var strDate; 10 today = new Date(); 11 var n_day = today.getDay(); 12 switch (n_day) { 13 case 0: { 14 strDate = "星期日" 15 } 16 break; 17 case 1: { 18 strDate = "星期一" 19 } 20 break; 21 case 2: { 22 strDate = "星期二" 23 } 24 break; 25 case 3: { 26 strDate = "星期三" 27 } 28 break; 29 case 4: { 30 strDate = "星期四" 31 } 32 break; 33 case 5: { 34 strDate = "星期五" 35 } 36 break; 37 case 6: { 38 strDate = "星期六" 39 } 40 break; 41 case 7: { 42 strDate = "星期日" 43 } 44 break; 45 } 46 year = today.getYear() - 100 + 2000; 47 month = today.getMonth() + 1; 48 date = today.getDate(); 49 hour = today.getHours(); 50 minute = today.getMinutes(); 51 second = today.getSeconds(); 52 if (month < 10) 53 month = "0" + month; 54 if (date < 10) 55 date = "0" + date; 56 if (hour < 10) 57 hour = "0" + hour; 58 if (minute < 10) 59 minute = "0" + minute; 60 if (second < 10) 61 second = "0" + second; 62 document.getElementById(‘clock‘).innerHTML = year + "年" + month + "月" 63 + date + "日 " + strDate + " " + hour + ":" + minute + ":" + second; 64 setTimeout("showtime();", 1000); 65 }
1 <body onLoad="showtime()"> 2 <span style="float:left"> 3 <span>当前时间</span> 4 <span id="clock"></span> 5 </span> 6 </body>
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原文地址：http://www.cnblogs.com/zhengbin/p/4731454.html
