javaScript实现图片滚动及一个普通图片轮播的代码

时间：2022-10-25 04:32:14
<!doctype html>

<html lang="en">

 <head>

  <meta charset="UTF-8">

  <meta name="Author" content="">

  <meta name="Keywords" content="">

  <meta name="Description" content="">

  <title>Document</title>

  <style rel="stylesheet" type="text/css">

  .expert{float:left;height:134px;width:300px;overflow:hidden;}

  .expert01,.expert02{float:left}

   .important{float:left;width:900%}/*备用宽度范围*/

  p{display:inline-block;}

  .mainimage{float:left;}

.mainimage img{width:700px;height:300px;display:inline-block;}

  </style>

 </head>

 <body>

 <!--图片滚动-->

  <div class="expert">

  <div class="important">

  <div class="expert01">

  <p><img src="hospital/image/20140500003.jpg"/></p>

    <p><img src="hospital/image/20140500004.jpg"/></p>

    <p><img src="hospital/image/20140500005.jpg"/></p>

  </div>

  <div class="expert02"></div>

</div>

  </div>

  <br/>

<div style="clear:both;"></div>

  <br/>

  <!--图片轮播-->

<div class="mainimage" onmouseover = "clr()" onmouseout="rset()">

<a href="#"><img class="cap01"  style="display:inline-block;" src="hospital/image/caption01.jpg" alt="caption01"/></a>

<a href="#" ><img class="cap02"  style="display:none;" src="hospital/image/caption02.jpg" alt="caption02"/></a>

<a href="#"><img class="cap03"  style="display:none;" src="hospital/image/caption03.jpg" alt="caption03"/></a>

<a href="#"><img class="cap04"  style="display:none;" src="hospital/image/caption04.jpg" alt="caption04"/></a>

</div>

 </body>

</html>

<script>//图片滚动

var speed=10; //数字越大速度越慢

var tab=document.getElementsByClassName("expert")[0];

var tab1=document.getElementsByClassName("expert01")[0];

var tab2=document.getElementsByClassName("expert02")[0];

tab2.innerHTML=tab1.innerHTML;//注意把该script放在后边，因为调用了innerHTML属性，需要等全部文档加载完成才行

function Marquee(){

if(tab2.offsetWidth-tab.scrollLeft<=0)

	{tab.scrollLeft-=tab1.offsetWidth;

	}

else{

tab.scrollLeft++;

}

}

var MyMar=setInterval("Marquee()",speed);

tab.onmouseover=function() {clearInterval(MyMar)};//简单的事件触发函数

tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};

//图片轮播

var i = 0;

	function switchimg(){

		i++;

	var a = document.getElementsByClassName("cap01")[0];

	var b = document.getElementsByClassName("cap02")[0];

	var c = document.getElementsByClassName("cap03")[0];

	var d = document.getElementsByClassName("cap04")[0];

	if(i == 4){

	i = 0;

	}

	switch(i){

	case 0:

	a.style.display = "inline-block";

	b.style.display = "none";

	c.style.display = "none";

	d.style.display = "none";

	break;

	case 1:

	a.style.display = "none";

	b.style.display = "inline-block";

	c.style.display = "none";

	d.style.display = "none";

	break;

	case 2:

	a.style.display = "none";

	b.style.display = "none";

	c.style.display = "inline-block";

	d.style.display = "none";

	break;

	case 3:

	a.style.display = "none";

	b.style.display = "none";

	c.style.display = "none";

	d.style.display = "inline-block";

	break;

		}

		};

	var swimg = setInterval("switchimg()",2000);

	function clr(){clearInterval(swimg);}

	function rset(){

		swimg =setInterval("switchimg()",2000);

		}

 </script>

　　

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