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H5实现仿flash效果的实现代码

更新时间:2020-06-08 18:42:01 作者:startmvc
H5实现仿flash效果的实现代码随着H5的火热,flash即将被H5所代替,如何利用H5实现flash的效果

H5实现仿flash效果的实现代码

随着H5的火热,flash即将被H5所代替,如何利用H5实现flash的效果呢?我做了一个简单的小东西分享给大家。

html和js部分:


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
 <script type="text/javascript" src="jsByKing.js"></script>
 <link rel="stylesheet" href="仿flash的css.css" rel="external nofollow" >
 <script>
 function getByClass(oParent,sClass) {
 var aEle=oParent.getElementsByTagName('*');
 var aResult=[];
 for(var i=0;i<aEle.length;i++){
 if(aEle[i].className==sClass){
 aResult.push(aEle[i]);
 }
 }
 return aResult;
 }
 //左右箭头
 window.onload=function () {
 var oDiv=document.getElementById('playimages');
 var oBtnPrev=getByClass(oDiv,'prev')[0];
 var oBtnNext=getByClass(oDiv,'next')[0];
 var oMarkLeft=getByClass(oDiv,'mark_left')[0];
 var oMarkRight=getByClass(oDiv,'mark_right')[0];

 var oDivSmall=getByClass(oDiv,'small_pic')[0];
 var oUlSmall=oDivSmall.getElementsByTagName('ul')[0];
 var aLiSmall=oDivSmall.getElementsByTagName('li');

 var oUlBig=getByClass(oDiv,'big_pic')[0];
 var aLiBig=oUlBig.getElementsByTagName('li');

 var nowZIndex=2;

 var now=0;

 oUlSmall.style.width=aLiSmall.length*aLiSmall[0].offsetWidth+'px';

 oBtnPrev.onmouseover=oMarkLeft.onmouseover=function () {
 startMove(oBtnPrev,'opacity',100);
 };
 oBtnPrev.onmouseout=oMarkLeft.onmouseout=function () {
 startMove(oBtnPrev,'opacity',0);
 }
 oBtnNext.onmouseover=oMarkRight.onmouseover=function () {
 startMove(oBtnNext,'opacity',100);
 };
 oBtnNext.onmouseout=oMarkRight.onmouseout=function () {
 startMove(oBtnNext,'opacity',0);
 }

 //大图切换
 for(var i=0; i<aLiSmall.length;i++){
 aLiSmall[i].index=i;
 aLiSmall[i].onclick=function () {
 if(this.index==now)return;

 now=this.index;

 tab();

 aLiSmall[i].onmouseover=function () {
 startMove(this,'opacity',100);
 }
 aLiSmall[i].onmouseout=function () {
 if(this.index!=now){
 startMove(this,'opacity',60)
 }
 }
 }
 function tab() {
 aLiBig[now].style.zIndex=nowZIndex++;

 for(var i=0;i<aLiSmall.length;i++){
 startMove(aLiSmall[i],'opacity',60);
 }

 startMove(aLiSmall[now],'opacity',100);

 aLiBig[now].style.height=0;
 startMove(aLiBig[now],'height',320);

 if(now==0){
 startMove(oUlSmall,'left',0);
 }
 else if(now==aLiSmall.length-1){
 startMove(oUlSmall,'left',-(now-2)*aLiSmall[0].offsetWidth);
 }

 else {
 startMove(oUlSmall,'left', -(now-1)*aLiSmall[0].offsetWidth);
 }
 };

 }
 oBtnPrev.onclick=function () {
 now--;
 if(now==-1){
 now=aLiSmall.length-1;
 }
 tab();
 };
 oBtnNext.onclick=function () {
 now++;
 if(now==aLiSmall.length){
 now=0;
 }
 tab();
 }
 var timer=setInterval(oBtnNext.onclick,2000);

 oDiv.onmouseover=function () {
 clearInterval(timer);
 }
 oDiv.onmouseout=function () {
 timer=setInterval(oBtnNext.onclick,2000);
 }
 }
 </script>
</head>
<body>
<div id="playimages" class="play">
 <ul class="big_pic">
 <div class="prev"></div>
 <div class="next"></div>

 <div class="text">加载图片说明.....</div>
 <div class="length">计算图片数量.....</div>

 <a class="mark_left" href="javascript:;" rel="external nofollow" rel="external nofollow" ></a>
 <a class="mark_right" href="javascript:;" rel="external nofollow" rel="external nofollow" ></a>
 <div class="bg"></div>

 <li style="z-index: 1;"><img src="../../img/练习/1.jpg" alt=""></li>
 <li><img src="../../img/练习/2.jpg" alt=""></li>
 <li><img src="../../img/练习/3.jpg" alt=""></li>
 <li><img src="../../img/练习/4.jpg" alt=""></li>
 <li><img src="../../img/练习/5.jpg" alt=""></li>
 <li><img src="../../img/练习/6.jpg" alt=""></li>
 </ul>
 <div class="small_pic">
 <ul style="width: 390px;">
 <li style="opacity: 1"><img src="../../img/练习/1.jpg" alt=""></li>
 <li><img src="../../img/练习/2.jpg" alt=""></li>
 <li><img src="../../img/练习/3.jpg" alt=""></li>
 <li><img src="../../img/练习/4.jpg" alt=""></li>
 <li><img src="../../img/练习/5.jpg" alt=""></li>
 <li><img src="../../img/练习/6.jpg" alt=""></li>
 </ul>
 </div>
</div>
</body>
</html>

css部分:


body{
 background: #666;
}
ul{
 padding: 0;
 margin: 0;
}
li{
 list-style: none;
}
img{
 border:0;
 width: 100%;
 height: 100%;
}
.play{
 width: 400px;
 height: 430px;
 margin: 50px auto 0;
 background: #999;
 font: 12px Arial;

}
.big_pic{
 width: 400px;
 height: 320px;
 overflow: hidden;
 border-bottom: 1px solid #ccc;
 background: #222;
 position: relative;
}
.big_pic img{
 width: 400px;
 height: 320px;
}
.big_pic li{
 width: 400px;
 height: 320px;
 overflow: hidden;
 position: absolute;
 top:0;
 left:0;
 z-index: 0;
}
.mark_left{
 width: 200px;
 height: 320px;
 position: absolute;
 left: 0;
 top:0;
 /*background: red;*/
 opacity: 0;
 z-index: 3000;
 }
.mark_right{
 width: 200px;
 height: 320px;
 position: absolute;
 left: 200px;
 top:0;
 /*background: green;*/
 opacity: 0;
 z-index: 3000;
}
.big_pic .prev{
 width: 60px;
 height: 60px;
 background-image: url("../../img/练习/left.jpg");
 background-size: cover;
 position: absolute;
 top: 130px;
 left: 10px;
 z-index: 3001;
 opacity: 0;
 cursor: pointer;
}
.big_pic .next{
 width: 60px;
 height: 60px;
 background-image: url("../../img/练习/right.jpg");
 background-size: cover;
 background-position: 65px 60px;
 position: absolute;
 top: 130px;
 right: 10px;
 z-index: 3001;
 opacity: 0;
 cursor: pointer;
}
.big_pic .text{
 position: absolute;
 left: 10px;
 bottom: 4px;
 z-index: 3000;
 color: #ccc;
}
.big_pic .length{
 position: absolute;
 right: 10px;
 bottom: 4px;
 z-index: 3000;
 color: #ccc;
}
.big_pic .bg{
 width: 400px;
 height: 25px;
 background: #000;
 opacity: 0.6;
 position: absolute;
 z-index: 2999;
 bottom: 0;
 left:0;
}
.small_pic{
 width: 380px;
 height: 94px;
 position: relative;
 top: 7px;
 left: 10px;
 overflow: hidden;
}
.small_pic ul{
 height: 94px;
 position: absolute;
 top:0;
 left: 0;
}
.small_pic li{
 width: 120px;
 height: 94px;
 float: left;
 padding-right: 10px;
 cursor: pointer;
 opacity: 0.6;
}

效果图展示:

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