JS实现倒计时(天数,时,分,秒)

2018/04/28 17:08
阅读数 60

 <!DOCTYPE html>

<html>
<head>
  <meta charset="utf-8" >
  <title>JS实现倒计时(天数,时,分,秒)</title>
  <link rel="stylesheet" type="text/css" href="../css/reset.css">
  <link rel="stylesheet" type="text/css" href="../css/index.css"></head>
  <script type="text/javascript" src="../js/jquery1.9.min.js"></script>
<body>  
   <img src="../images/btlogo.png" class="logo">
    <div id="carousel">
        <div id="tabpic">
            <div name="tablink" ><img src="../images/1.png"></div>
            <div name="tablink" ><img src="../images/2.png"></div>
            <div name="tablink" ><img src="../images/3.png"></div>
          <!--   <div name="tablink" ><img src="../images/4.png"></div> -->
        </div>     
    </div>
 
  <div class="content">
     <div class="title1">
        <span class="ccga">&nbsp;CCGA&nbsp;</span>
        <span class="ccganame">发布</span>
     </div>
    <div id="timer"></div>
    <div id="localtime"></div>
  </div>
  <audio controls="true" autoplay="true" loop="loop">
     <source src="../media/2.mp3" type="audio/mpeg" />
  </audio>
<!--  <embed src="media/1.mp3" hidden="true" autostart="true" loop="loop">   -->
  <script language="javascript" type="text/javascript"> 
    function leftTimer(year,month,day,hour,minute,second){
      var leftTime = (new Date(year,month-1,day,hour,minute,second)) - (new Date()); //计算剩余的毫秒数
      var days = parseInt(leftTime / 1000 / 60 / 60 / 24 , 10); //计算剩余的天数
      var hours = parseInt(leftTime / 1000 / 60 / 60 % 24 , 10); //计算剩余的小时
      var minutes = parseInt(leftTime / 1000 / 60 % 60, 10);//计算剩余的分钟
      var seconds = parseInt(leftTime / 1000 % 60, 10);//计算剩余的秒数
      days = checkTime(days);     
      hours = checkTime(hours);
      minutes = checkTime(minutes);
      seconds = checkTime(seconds);
      setTimeout("leftTimer(2018,04,28,17,30,61)",1000);      
      document.getElementById("timer").innerHTML = "倒计时:&nbsp;" +days+"&nbsp;天&nbsp;" + hours+"&nbsp;时&nbsp;" + minutes+"&nbsp;分&nbsp;"+seconds+"&nbsp;秒&nbsp;";
    }
    function checkTime(i){ //将0-9的数字前面加上0,例1变为01
      if(i<10)
      {
        i = "0" + i;
      }
      return i;
    }
 
 
    function div_tab(tabName){
        var tabLinkArr=document.getElementsByName("tablink");
        var tabPicArr=document.getElementById("tabpic").getElementsByTagName("div");
        for(var i=0;i<tabLinkArr.length;i++){
            if(i==tabName){
                tabLinkArr[i].style.color="#ff0000";
                tabPicArr[i].style.display="block";
            } else{
                tabLinkArr[i].style.color="#0000ff";
                tabPicArr[i].style.display="none";
            }
        }
    }
    var i=0;
    function auto_tab_div(){
    //如果切換到最後一張圖片則重新從第一張開始
    if(i>2){
        i=0;
    }
    //每5秒自動讀取下一張圖片
    div_tab(i);
        i++;
 
      setTimeout(auto_tab_div,5000);
    }
 
  
   $(leftTimer);
   $(auto_tab_div);
 
 
function showLocale(objD){
  var str,colorhead,colorfoot;
  var yy = objD.getYear();
  if(yy<1900) yy = yy+1900;
  var MM = objD.getMonth()+1;
  if(MM<10) MM = '0' + MM;
  var dd = objD.getDate();
  if(dd<10) dd = '0' + dd;
  var hh = objD.getHours();
  if(hh<10) hh = '0' + hh;
  var mm = objD.getMinutes();
  if(mm<10) mm = '0' + mm;
  var ss = objD.getSeconds();
  if(ss<10) ss = '0' + ss;
  var ww = objD.getDay();
  if  ( ww==0 )  colorhead="<font>";
  if  ( ww > 0 && ww < 6 )  colorhead="<font>";
  if  ( ww==6 )  colorhead="<font>";
  if  (ww==0)  ww="星期日";
  if  (ww==1)  ww="星期一";
  if  (ww==2)  ww="星期二";
  if  (ww==3)  ww="星期三";
  if  (ww==4)  ww="星期四";
  if  (ww==5)  ww="星期五";
  if  (ww==6)  ww="星期六";
  colorfoot="</font>"
  str = colorhead + "当前时间:&nbsp;" + yy + "年" + MM + "月" + dd + "日" + hh + "时" + mm + "分" + ss + "秒&nbsp;&nbsp;" + ww + colorfoot;
  return(str);
}
 
function tick(){
  var today;
  today = new Date();
  document.getElementById("localtime").innerHTML = showLocale(today);
  window.setTimeout("tick()", 1000);
}
 
tick();
 
</script></body>
</html>
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