javascri、pt实现倒计时

2019-11-02 14:30:52

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　　本文给大家分享的是个人项目中使用的javascript实现的精确到秒级的倒计时代码，十分的实用，有需要的小伙伴可以参考下。

　　代码相当简单实用，这里就不多废话了，小伙伴们简单看下就能明白

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> </head> <body> <div id="demo01" class="colockbox">剩余 <i class="day">0</i>天 <i class="hour">0</i>时 <i class="minute">0</i>分 <i class="second">0</i>秒 <input id="end_time_gou" type="hidden" value="2015/08/20 13:00:00"> <input id="now_gou" type="hidden" value="2015/06/25 11:44:08"> </div> <div id="timer" class="colockbox">

搞笑图片大全[www.62-6.com/1/pic/]

</div> <script type="text/javascript" src="http://code.jquery.com/jquery-1.9.0.min.js"></script> <script> var time_end = $('#end_time_gou').val(); var time_now_server = $('#now_gou').val(); countDown(time_end,time_now_server,"#demo01 .day","#demo01 .hour","#demo01 .minute","#demo01 .second"); function countDown(endtime,now,day_elem,hour_elem,minute_elem,second_elem){ var end_time = new Date(endtime).getTime(),//月份是实际月份-1 current_time = new Date(now).getTime(), sys_second = (end_time-current_time)/1000; var timer = setInterval(function(){ if (sys_second > 0) { sys_second -= 1; var day = Math.floor((sys_second / 3600) / 24); var hour = Math.floor((sys_second / 3600) % 24); var minute = Math.floor((sys_second / 60) % 60); var second = Math.floor(sys_second % 60); day_elem && $(day_elem).text(day);//计算天 $(hour_elem).text(hour<10?"0"+hour:hour);//计算小时 $(minute_elem).text(minute<10?"0"+minute:minute);//计算分 $(second_elem).text(second<10?"0"+second:second);// 计算秒 } else { clearInterval(timer); } }, 1000); } </script> <script type="text/javascript"> var time_now_server,time_now_client,time_end,time_server_client,timerID; time_end=new Date($('#end_time_gou').val());//结束的时间 time_end=time_end.getTime(); time_now_server=new Date($('#now_gou').val());//开始的时间,服务器 time_now_server= time_now_server.getTime(); time_now_client=new Date(); time_now_client=time_now_client.getTime();//本地的时间 time_server_client=time_now_server-time_now_client; setTimeout("show_time("+time_end+","+time_server_client+","+timerID+")",1000); function show_time(time_end,time_server_client,timerID){ var timer = document.getElementById('timer'); if(!timer){return;} timer.innerHTML = timer.innerHTML; var time_now,time_distance,str_time; var int_day,int_hour,int_minute,int_second; var time_now=new Date(); time_now=time_now.getTime()+time_server_client; time_distance=time_end-time_now; if(time_distance>0){ int_day=Math.floor(time_distance/86400000) time_distance-=int_day*86400000; int_hour=Math.floor(time_distance/3600000) time_distance-=int_hour*3600000; int_minute=Math.floor(time_distance/60000) time_distance-=int_minute*60000; int_second=Math.floor(time_distance/1000) if(int_hour<10) int_hour="0"+int_hour; if(int_minute<10) int_minute="0"+int_minute; if(int_second<10) int_second="0"+int_second; str_time=int_day+"天"+int_hour+"小时"+int_minute+"分钟"+int_second+"秒"; timer.innerHTML=str_time; setTimeout("show_time("+time_end+","+time_server_client+","+timerID+")",1000); }else{ timer.innerHTML =timer.innerHTML; clearTimeout(timerID) } } </script> </body> </html>

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