一个JS图片轮播器

最新推荐文章于 2021-10-20 14:36:24 发布

elifefly

最新推荐文章于 2021-10-20 14:36:24 发布

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分类专栏： 5.3-JavaScript 文章标签： class function stylesheet javascript transition float

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本文介绍了一个使用JavaScript实现的图片轮播器，包括HTML结构布局、CSS样式设定及JavaScript交互逻辑。通过设置图片数组、链接数组和标题数组，实现了图片的自动切换和鼠标悬停预览效果。

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一个JS图片轮播器

效果如图：

实现代码：

1.index.html

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>一个JS大图轮播器</title>
<link href="css/css.css" rel="stylesheet" type="text/css">
<SCRIPT language=javascript src="js/AutoChangePhoto.js"></SCRIPT>
<style type="text/css">

</style></head>

<body>
<DIV class=fpic>
<A id=foclnk href="http://blog.youkuaiyun.com/elifefly" target=_blank><IMG id=focpic style="FILTER: RevealTrans ( duration = 1，transition=23 ); VISIBILITY: visible; POSITION: absolute" height=300 alt="" src="images/01.jpg" width=400></A>
<DIV id=fttltxt
style="MARGIN-TOP: 305px; FLOAT: left; WIDTH: 400px; TEXT-ALIGN: center"><A
href="http://blog.youkuaiyun.com/elifefly" target=_blank>梦：品味音乐人生</A></DIV>
<DIV style="MARGIN-LEFT: 402px; WIDTH: 65px">
<DIV class=thubpiccur id=tmb0 onmouseover=setfoc(0); onmouseout=playit();><A
href="http://blog.youkuaiyun.com/elifefly" target=_blank><IMG
src="images/01.jpg" alt="" width=56 height=42 border="0"></A></DIV>
<DIV class=thubpic id=tmb1 onmouseover=setfoc(1); onmouseout=playit();><A
href="http://blog.youkuaiyun.com/elifefly" target=_blank><IMG height=45 alt=""
src="images/02.jpg" width=56></A></DIV>
<DIV class=thubpic id=tmb2 onmouseover=setfoc(2); onmouseout=playit();><A
href="http://blog.youkuaiyun.com/elifefly" target=_blank><IMG height=45 alt=""
src="images/03.jpg" width=56></A></DIV>
<DIV class=thubpic id=tmb3 onmouseover=setfoc(3); onmouseout=playit();><A
href="http://blog.youkuaiyun.com/elifefly" target=_blank><IMG height=45 alt=""
src="images/04.jpg" width=56></A></DIV>
<DIV class=thubpic id=tmb4 onmouseover=setfoc(4); onmouseout=playit();><A
href="http://blog.youkuaiyun.com/elifefly" target=_blank><IMG height=45 alt=""
src="images/05.jpg" width=56></A></DIV>
<DIV class=thubpic id=tmb5 onmouseover=setfoc(5); onmouseout=playit();><A
href="http://blog.youkuaiyun.com/elifefly" target=_blank><IMG height=45 alt=""
src="images/06.jpg" width=56></A></DIV>
<SCRIPT language=javascript type=text/javascript>
var picarry = {};
var lnkarry = {};
var ttlarry = {};
picarry[0] = "images/01.jpg";
lnkarry[0] = "http://blog.youkuaiyun.com/elifefly";
ttlarry[0] = "品味音乐人生";
picarry[1] = "images/02.jpg";
lnkarry[1] = "http://blog.youkuaiyun.com/elifefly";
ttlarry[1] = "Linux盛宴";
picarry[2] = "images/03.jpg";
lnkarry[2] = "http://blog.youkuaiyun.com/elifefly";
ttlarry[2] = "血性";
picarry[3] = "images/04.jpg";
lnkarry[3] = "http://blog.youkuaiyun.com/elifefly";
ttlarry[3] = "唯美";
picarry[4] = "images/05.jpg";
lnkarry[4] = "http://blog.youkuaiyun.com/elifefly";
ttlarry[4] = "胸怀";
picarry[5] = "images/06.jpg";
lnkarry[5] = "http://blog.youkuaiyun.com/elifefly";
ttlarry[5] = "精神";
</SCRIPT>
</DIV></DIV>

2.js文件夹下的AutoChangePhoto.js

var currslid = 0;
var slidint;
function setfoc(id){
	document.getElementById("focpic").src = picarry[id];
	document.getElementById("foclnk").href = lnkarry[id];
	document.getElementById("fttltxt").innerHTML = &apos;&apos;+ttlarry[id]+&apos;&apos;;
	currslid = id;
	for(i=0;i<6;i++){
		document.getElementById("tmb"+i).className = "thubpic";
	};
	document.getElementById("tmb"+id).className ="thubpiccur";
	focpic.style.visibility = "hidden";
	focpic.filters[0].Apply();
	if (focpic.style.visibility == "visible") {
		focpic.style.visibility = "hidden";
		focpic.filters.revealTrans.transition=23;
	}
	else {
		focpic.style.visibility = "visible";
		focpic.filters[0].transition=23;
	}
	focpic.filters[0].Play();
	stopit();
}

function playnext(){
	if(currslid==5){
		currslid = 0;
	}
	else{
		currslid++;
	};
	setfoc(currslid);
	playit();
}
function playit(){
	slidint = setTimeout(playnext,4500);
}
function stopit(){
	clearTimeout(slidint);
	}
window.onload = function(){
	playit();
}

3.css文件夹下的css.css

BODY {
PADDING-RIGHT: 0px; PADDING-LEFT: 0px; FONT-SIZE: 12px; BACKGROUND: #000; PADDING-BOTTOM: 0px; MARGIN-LEFT: auto; COLOR: #f6f6ee; MARGIN-RIGHT: auto; PADDING-TOP: 0px; FONT-FAMILY: 宋体; HEIGHT: 490px; TEXT-ALIGN: center
}
A {
COLOR: #fff; TEXT-DECORATION: none
}
A:hover {
COLOR: #fff; TEXT-DECORATION: underline
}
.fpic {
BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; Z-INDEX: 3; BACKGROUND: #000; BORDER-BOTTOM-WIDTH: 0px; WIDTH: 476px; POSITION: relative; HEIGHT: 330px; BORDER-RIGHT-WIDTH: 0px;BORDER: #dddddd 1px solid;
text-align:center
}
.bpic {
FLOAT: left; MARGIN: 0px; WIDTH: 244px; POSITION: relative; HEIGHT: 243px
}
#focpic {
BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; LEFT: 1px; BORDER-BOTTOM-WIDTH: 0px; POSITION: absolute; TOP: 1px; BORDER-RIGHT-WIDTH: 0px
}
.thubpic {
PADDING-RIGHT: 0px; PADDING-LEFT: 4px; Z-INDEX: 20; PADDING-BOTTOM: 0px; WIDTH: 63px; CURSOR: pointer; PADDING-TOP: 4px; TOP: 10px; HEIGHT: 49px
}
.thubpiccur {
PADDING-RIGHT: 0px; PADDING-LEFT: 4px; Z-INDEX: 20; PADDING-BOTTOM: 0px; WIDTH: 63px; CURSOR: pointer; PADDING-TOP: 4px; TOP: 10px; HEIGHT: 49px
}
.thubpiccur {
Z-INDEX: 30; BACKGROUND: url(../images/arrow3.gif) no-repeat left 50%
}
.thubpic IMG {
BORDER-RIGHT: #666 3px solid; BORDER-TOP: #666 2px solid; BORDER-LEFT: #666 3px solid; WIDTH: 56px; BORDER-BOTTOM: #666 2px solid; HEIGHT: 42px
}
.thubpiccur IMG {
BORDER-RIGHT: #666 3px solid; BORDER-TOP: #666 2px solid; BORDER-LEFT: #666 3px solid; WIDTH: 56px; BORDER-BOTTOM: #666 2px solid; HEIGHT: 42px
}
.thubpiccur IMG {
BORDER-LEFT-COLOR: #fff; BORDER-BOTTOM-COLOR: #fff; BORDER-TOP-COLOR: #fff; BORDER-RIGHT-COLOR: #fff
}