js代码

<script type="text/javascript" src="myself.js"></script>
<script type="text/javascript">

    window.onload = function () {
        var box = document.getElementById('box');
        var time = document.getElementById('time');
        var oLi = time.getElementsByTagName('li');
        var len = oLi.length;

        var timer = '';
        var str = '';
        var oldTime = getTime();

        timeImg();

        clearInterval(timer);

        timer = setInterval(timeImg, 1000);

        function getTime() {
            var myTime = new Date();   //获取当前的系统时间

            var myHour = myTime.getHours();     //时
            var myMin = myTime.getMinutes();    //分
            var mySec = myTime.getSeconds();    //秒

            str = toTwo(myHour) + ':' + toTwo(myMin) + ':' + toTwo(mySec);
            return str;
        }

        function toTwo(a) {
            return a<10 ? '0'+a : ''+a;
        }

        function timeImg(){
            getTime();

            console.log(oldTime +'--'+ str);
//            box.innerHTML = str;

            for(var i=0; i<len; i++){

                oLi[i].getElementsByTagName('div')[0].style.top = 0;

                if(i==2 || i==5){

                    oLi[i].getElementsByTagName('img')[0].src = 'img/colon.jpg';

                    oLi[i].getElementsByTagName('img')[1].src = 'img/colon.jpg';

                }else{

                    oLi[i].getElementsByTagName('img')[0].src = 'img/'+oldTime.charAt(i)+'.jpg';

                    if( oldTime.charAt(i) == 9 ){

                        oLi[i].getElementsByTagName('img')[1].src = 'img/0.jpg';

                    }else{

                        oLi[i].getElementsByTagName('img')[1].src = 'img/'+str.charAt(i)+'.jpg';

                    }

                }

                if(str.charAt(i) !== oldTime.charAt(i)){

                    doMove(oLi[i].getElementsByTagName('div')[0], 'top', 20, -173);

                }

            }
            oldTime = str;
        }

    }


</script>