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分享请教：怎样只用js而不用jquery实现图片轮播的效果
请教：怎样只用js而不用jquery实现图片轮播的效果，基本思路是怎样的啊，最好有代码？谢谢啦！！
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morphillen 2013-01-21
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这类代码蛮多的，找个研究下就可以了·~~~
luludyl 2013-01-21
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谢谢各位的帮忙了
wu184412656 2012-11-01
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代码已发，方向向左，。。。你懂的自己看。
wu184412656 2012-11-01
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<style type="text/css">
.container, .container *{margin:0; padding:0;}
/*设置窗口大小*/
.container{width:700px; height:400px; overflow:hidden;position:relative;}
.slider{position:absolute;}
.slider li{ list-style:none;display:inline;}
/*要显示出的图片大小*/
.slider img{ width:700px; height:400px; display:block;}
/*存放图片*/
.slider2{width:35000px;}
.slider2 li{float:left;}
/*显示数字*/
.num{ position:absolute; right:5px; bottom:5px;}
/*对应图片数字的效果*/
.num li{
float: left;
color: #FF7300;
text-align: center;
line-height: 20px;
width: 20px;
height: 20px;
font-family: Arial;
font-size: 16px;
cursor: pointer;
overflow: hidden;
margin: 3px 1px;
border: 1px solid #FF7300;
background-color: #fff;
}
/*选中对应图片数字的效果*/
.num li.on{
color: #fff;
line-height: 25px;
width: 25px;
height: 25px;
font-size: 20px;
margin: 0 1px;
border: 0;
background-color: #FF7300;
font-weight: bold;
}
</style>
<div class="container" id="idTransformView" style="margin:0px auto;" align="center">
<ul class="slider slider2" id="idSlider">
<li><img src="image/bug1.jpg" height="400" width="700"/></li>
<li><img src="image/bug2.jpg" height="400" width="700"/></li>
<li><img src="image/bug3.jpg" height="400" width="700"/></li>
<li><img src="image/bug4.jpg" height="400" width="700"/></li>
<li><img src="image/bug5.jpg" height="400" width="700"/></li>
</ul>
<ul class="num" id="idNum">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</div>
<br />
<script type="text/javascript">
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
var TransformView = Class.create();
TransformView.prototype = {
//容器对象,滑动对象,切换参数,切换数量
initialize: function(container, slider, parameter, count, options) {
if(parameter <= 0 || count <= 0) return;
var oContainer = $(container), oSlider = $(slider), oThis = this;
this.Index = 0;//当前索引
this._timer = null;//定时器
this._slider = oSlider;//滑动对象
this._parameter = parameter;//切换参数
this._count = count || 0;//切换数量
this._target = 0;//目标参数
this.SetOptions(options);
this.Up = !!this.options.Up;
this.Step = Math.abs(this.options.Step);
this.Time = Math.abs(this.options.Time);
this.Auto = !!this.options.Auto;
this.Pause = Math.abs(this.options.Pause);
this.onStart = this.options.onStart;
this.onFinish = this.options.onFinish;
oContainer.style.overflow = "hidden";
oContainer.style.position = "relative";
oSlider.style.position = "absolute";
oSlider.style.top = oSlider.style.left = 0;
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
Up: false,//是否向上(否则向左)
Step: 5,//滑动变化率
Time: 50,//滑动延时
Auto: true,//是否自动转换
Pause: 5000,//停顿时间(Auto为true时有效，悬停时间)
onStart: function(){},//开始转换时执行
onFinish: function(){}//完成转换时执行
};
Object.extend(this.options, options || {});
},
//开始切换设置
Start: function() {
if(this.Index < 0){
this.Index = this._count - 1;
} else if (this.Index >= this._count){ this.Index = 0; }
this._target = -1 * this._parameter * this.Index;
this.onStart();
this.Move();
},
//移动
Move: function() {
clearTimeout(this._timer);
var oThis = this, style = this.Up ? "top" : "left", iNow = parseInt(this._slider.style[style]) || 0, iStep = this.GetStep(this._target, iNow);
if (iStep != 0) {
this._slider.style[style] = (iNow + iStep) + "px";
this._timer = setTimeout(function(){ oThis.Move(); }, this.Time);
} else {
this._slider.style[style] = this._target + "px";
this.onFinish();
if (this.Auto) { this._timer = setTimeout(function(){ oThis.Index++; oThis.Start(); }, this.Pause); }
}
},
//获取步长
GetStep: function(iTarget, iNow) {
var iStep = (iTarget - iNow) / this.Step;
if (iStep == 0) return 0;
if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
return iStep;
},
//停止
Stop: function(iTarget, iNow) {
clearTimeout(this._timer);
this._slider.style[this.Up ? "top" : "left"] = this._target + "px";
}
};
window.onload=function(){
function Each(list, fun){
for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
};
var objs = $("idNum").getElementsByTagName("li");
var tv = new TransformView("idTransformView", "idSlider", 700, 5, {
onStart : function(){ Each(objs, function(o, i){ o.className = tv.Index == i ? "on" : ""; }) }//按钮样式
});
tv.Start();
Each(objs, function(o, i){
o.onmouseover = function(){
o.className = "on";
tv.Auto = false;
tv.Index = i;
tv.Start();
}
o.onmouseout = function(){
o.className = "";
tv.Auto = true;
tv.Start();
}
})
}
</script>
.container, .container *{margin:0; padding:0;}
/*设置窗口大小*/
.container{width:700px; height:400px; overflow:hidden;position:relative;}
.slider{position:absolute;}
.slider li{ list-style:none;display:inline;}
/*要显示出的图片大小*/
.slider img{ width:700px; height:400px; display:block;}
/*存放图片*/
.slider2{width:35000px;}
.slider2 li{float:left;}
/*显示数字*/
.num{ position:absolute; right:5px; bottom:5px;}
/*对应图片数字的效果*/
.num li{
float: left;
color: #FF7300;
text-align: center;
line-height: 20px;
width: 20px;
height: 20px;
font-family: Arial;
font-size: 16px;
cursor: pointer;
overflow: hidden;
margin: 3px 1px;
border: 1px solid #FF7300;
background-color: #fff;
}
/*选中对应图片数字的效果*/
.num li.on{
color: #fff;
line-height: 25px;
width: 25px;
height: 25px;
font-size: 20px;
margin: 0 1px;
border: 0;
background-color: #FF7300;
font-weight: bold;
}
</style>
<div class="container" id="idTransformView" style="margin:0px auto;" align="center">
<ul class="slider slider2" id="idSlider">
<li><img src="image/bug1.jpg" height="400" width="700"/></li>
<li><img src="image/bug2.jpg" height="400" width="700"/></li>
<li><img src="image/bug3.jpg" height="400" width="700"/></li>
<li><img src="image/bug4.jpg" height="400" width="700"/></li>
<li><img src="image/bug5.jpg" height="400" width="700"/></li>
</ul>
<ul class="num" id="idNum">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</div>
<br />
<script type="text/javascript">
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
var TransformView = Class.create();
TransformView.prototype = {
//容器对象,滑动对象,切换参数,切换数量
initialize: function(container, slider, parameter, count, options) {
if(parameter <= 0 || count <= 0) return;
var oContainer = $(container), oSlider = $(slider), oThis = this;
this.Index = 0;//当前索引
this._timer = null;//定时器
this._slider = oSlider;//滑动对象
this._parameter = parameter;//切换参数
this._count = count || 0;//切换数量
this._target = 0;//目标参数
this.SetOptions(options);
this.Up = !!this.options.Up;
this.Step = Math.abs(this.options.Step);
this.Time = Math.abs(this.options.Time);
this.Auto = !!this.options.Auto;
this.Pause = Math.abs(this.options.Pause);
this.onStart = this.options.onStart;
this.onFinish = this.options.onFinish;
oContainer.style.overflow = "hidden";
oContainer.style.position = "relative";
oSlider.style.position = "absolute";
oSlider.style.top = oSlider.style.left = 0;
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
Up: false,//是否向上(否则向左)
Step: 5,//滑动变化率
Time: 50,//滑动延时
Auto: true,//是否自动转换
Pause: 5000,//停顿时间(Auto为true时有效，悬停时间)
onStart: function(){},//开始转换时执行
onFinish: function(){}//完成转换时执行
};
Object.extend(this.options, options || {});
},
//开始切换设置
Start: function() {
if(this.Index < 0){
this.Index = this._count - 1;
} else if (this.Index >= this._count){ this.Index = 0; }
this._target = -1 * this._parameter * this.Index;
this.onStart();
this.Move();
},
//移动
Move: function() {
clearTimeout(this._timer);
var oThis = this, style = this.Up ? "top" : "left", iNow = parseInt(this._slider.style[style]) || 0, iStep = this.GetStep(this._target, iNow);
if (iStep != 0) {
this._slider.style[style] = (iNow + iStep) + "px";
this._timer = setTimeout(function(){ oThis.Move(); }, this.Time);
} else {
this._slider.style[style] = this._target + "px";
this.onFinish();
if (this.Auto) { this._timer = setTimeout(function(){ oThis.Index++; oThis.Start(); }, this.Pause); }
}
},
//获取步长
GetStep: function(iTarget, iNow) {
var iStep = (iTarget - iNow) / this.Step;
if (iStep == 0) return 0;
if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
return iStep;
},
//停止
Stop: function(iTarget, iNow) {
clearTimeout(this._timer);
this._slider.style[this.Up ? "top" : "left"] = this._target + "px";
}
};
window.onload=function(){
function Each(list, fun){
for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
};
var objs = $("idNum").getElementsByTagName("li");
var tv = new TransformView("idTransformView", "idSlider", 700, 5, {
onStart : function(){ Each(objs, function(o, i){ o.className = tv.Index == i ? "on" : ""; }) }//按钮样式
});
tv.Start();
Each(objs, function(o, i){
o.onmouseover = function(){
o.className = "on";
tv.Auto = false;
tv.Index = i;
tv.Start();
}
o.onmouseout = function(){
o.className = "";
tv.Auto = true;
tv.Start();
}
})
}
</script>
hch126163 2012-11-01
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setTimeout 设置 image src 就可以
似梦飞花 2012-10-31
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
function init(){
var imges=document.images;
for(var i=0;i<imges.length;i++){
imges[i].style.position="absolute";
imges[i].style.width="100px";
imges[i].style.height="200px";
imges[i].style.left=0+100*i+"px";
imges[i].style.top="0px";
}
move();
}
function move(){
var t="";
var imges=document.images;
for(var i=0;i<imges.length;i++){
imges[i].style.left=parseInt(imges[i].style.left)-1+"px";
if(parseInt(imges[i].style.left)==-200){
imges[i].style.left="200px";
}
}
t=window.setTimeout(move,10);
if(parseInt(imges[0].style.left)==200){
window.clearTimeout(t);
window.setTimeout(move,1000);
}
}
window.onload=init;
</script>
</head>
<body>
<div id="test" style="position:absolute;left:400px;top:100px;width:200px;height:200px;overflow:hidden">
<img src="1.jpg" />
<img src="2.jpg" />
<img src="3.jpg" />
<img src="4.jpg" />
</div>
</body>
</html>
大体这样试试
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
function init(){
var imges=document.images;
for(var i=0;i<imges.length;i++){
imges[i].style.position="absolute";
imges[i].style.width="100px";
imges[i].style.height="200px";
imges[i].style.left=0+100*i+"px";
imges[i].style.top="0px";
}
move();
}
function move(){
var t="";
var imges=document.images;
for(var i=0;i<imges.length;i++){
imges[i].style.left=parseInt(imges[i].style.left)-1+"px";
if(parseInt(imges[i].style.left)==-200){
imges[i].style.left="200px";
}
}
t=window.setTimeout(move,10);
if(parseInt(imges[0].style.left)==200){
window.clearTimeout(t);
window.setTimeout(move,1000);
}
}
window.onload=init;
</script>
</head>
<body>
<div id="test" style="position:absolute;left:400px;top:100px;width:200px;height:200px;overflow:hidden">
<img src="1.jpg" />
<img src="2.jpg" />
<img src="3.jpg" />
<img src="4.jpg" />
</div>
</body>
</html>
大体这样试试
licip 2012-10-31
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这个要通过javaScript+css+html来实现。
通过setTimeout或setInteral来实现吧。
通过setTimeout或setInteral来实现吧。
A900616A 2012-10-31
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可以讨论 但没有现成的代码...
我觉得通过setTimeout隔段时间刷新，来实现一个切换...不过没有jquery切换那么好看...
我觉得通过setTimeout隔段时间刷新，来实现一个切换...不过没有jquery切换那么好看...
