H5实现仿flash效果的实现代码

2019-11-19 15:14:21

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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：