Javascript Web Slider 焦点图示例源码
作者：
Slider 焦点图会在很多的网站上见到，在本文为大家详细介绍下具体的实现过程，下面的源码大家可以运行下
HTML代码：
<!DOCTYPE html>
<html>
<head>
<title></title>
<style>
*{padding:0;margin:0}
ul{list-style:none}
.slider-focus{width:670px;height:240px;overflow:hidden;position:relative;margin:100px auto}
.slider-focus .slider{width:3500px; position:absolute; left:0px; top:0px; height:240px}
.slider-focus .slider li{float:left;}
.slider-focus .btns{position: absolute; right: 0px; bottom: 5px}
.slider-focus .btns li{width:18px;height:18px; float:left; background:#fff; margin-right:5px; cursor:pointer}
.slider-focus .btns li.cur{background:#f60}
</style>
</head>
<body>
<div class="slider-focus">
<ul class="slider">
<li><img src="http://img14.360buyimg.com/da/g13/M03/0D/0D/rBEhVFJCwIQIAAAAAADs5q4P0g8AADgxQMhvMIAAOz-234.jpg"></li>
<li><img src="http://img11.360buyimg.com/da/g13/M05/0D/0A/rBEhUlJCfiYIAAAAAADqWhDpUVsAADfqgDwmw4AAOpy960.jpg"></li>
<li><img src="http://img11.360buyimg.com/da/g14/M07/11/15/rBEhVVI_5zMIAAAAAADDgfSaKlQAADc8AFf20cAAMOZ670.jpg"></li>
<li><img src="http://img11.360buyimg.com/da/g13/M03/0D/13/rBEhVFJD_HcIAAAAAADsfenKOe0AADjVwPmryQAAOyV341.jpg"></li>
<li><img src="http://img14.360buyimg.com/da/g15/M00/0C/0E/rBEhWlJEHcwIAAAAAAEFI3XGv_YAADj-wC9W60AAQU7805.jpg"></li>
</ul>
<ul class="btns">
<li class="cur"></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
<script src="jquery-1.9.1.js"></script>
<script src="slider.js"></script>
</body>
</html>
Javasscript 代码：
function Sliderfocus(options){
this.focus = options.focus;
this.slider = options.slider;
this.btns = options.btns;
this.width = options.width;
this.speed = options.speed || 800;
this.curIndex = options.curIndex || 0;
this.size = this.btns.size();
this.init();
this.timeout = null;
this.stopTemp = 1 ;
}
Sliderfocus.prototype = {
init:function(){
this.auto();
this.bind();
},
play:function(){
this.slider.stop().animate({
left:-this.curIndex * this.width
},this.speed);
},
auto:function(){
var that = this;
this.timeout = setTimeout(function(){
if(that.stopTemp == 0){
return;
}else{
that.next();
that.auto();
}
},4000);
},
prev:function(){
this.curIndex = --this.curIndex<0? this.size-1 : this.curIndex;
this.play();
},
next:function(){
this.curIndex = ++this.curIndex>this.size-1? 0 : this.curIndex;
console.log(this.curIndex)
this.play();
},
stop:function(){
this.stopTemp = 0;
},
bind:function(){
var that = this;
this.focus.bind("mouseover",function(){
that.stop();
}).bind("mouseout",function(){
that.stopTemp = 1;
//that.auto();
});
this.letsgo();
},
letsgo:function(){
var that = this;
this.btns.bind("click",function(){
var index = $(this).index();
that.curIndex = index;
that.play();
});
}
};
new Sliderfocus({
focus:$(".slider-focus"),
slider:$(".slider-focus .slider"),
btns:$(".btns li"),
width:670
});
复制代码 代码如下:
<!DOCTYPE html>
<html>
<head>
<title></title>
<style>
*{padding:0;margin:0}
ul{list-style:none}
.slider-focus{width:670px;height:240px;overflow:hidden;position:relative;margin:100px auto}
.slider-focus .slider{width:3500px; position:absolute; left:0px; top:0px; height:240px}
.slider-focus .slider li{float:left;}
.slider-focus .btns{position: absolute; right: 0px; bottom: 5px}
.slider-focus .btns li{width:18px;height:18px; float:left; background:#fff; margin-right:5px; cursor:pointer}
.slider-focus .btns li.cur{background:#f60}
</style>
</head>
<body>
<div class="slider-focus">
<ul class="slider">
<li><img src="http://img14.360buyimg.com/da/g13/M03/0D/0D/rBEhVFJCwIQIAAAAAADs5q4P0g8AADgxQMhvMIAAOz-234.jpg"></li>
<li><img src="http://img11.360buyimg.com/da/g13/M05/0D/0A/rBEhUlJCfiYIAAAAAADqWhDpUVsAADfqgDwmw4AAOpy960.jpg"></li>
<li><img src="http://img11.360buyimg.com/da/g14/M07/11/15/rBEhVVI_5zMIAAAAAADDgfSaKlQAADc8AFf20cAAMOZ670.jpg"></li>
<li><img src="http://img11.360buyimg.com/da/g13/M03/0D/13/rBEhVFJD_HcIAAAAAADsfenKOe0AADjVwPmryQAAOyV341.jpg"></li>
<li><img src="http://img14.360buyimg.com/da/g15/M00/0C/0E/rBEhWlJEHcwIAAAAAAEFI3XGv_YAADj-wC9W60AAQU7805.jpg"></li>
</ul>
<ul class="btns">
<li class="cur"></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
<script src="jquery-1.9.1.js"></script>
<script src="slider.js"></script>
</body>
</html>
Javasscript 代码：
复制代码 代码如下:
function Sliderfocus(options){
this.focus = options.focus;
this.slider = options.slider;
this.btns = options.btns;
this.width = options.width;
this.speed = options.speed || 800;
this.curIndex = options.curIndex || 0;
this.size = this.btns.size();
this.init();
this.timeout = null;
this.stopTemp = 1 ;
}
Sliderfocus.prototype = {
init:function(){
this.auto();
this.bind();
},
play:function(){
this.slider.stop().animate({
left:-this.curIndex * this.width
},this.speed);
},
auto:function(){
var that = this;
this.timeout = setTimeout(function(){
if(that.stopTemp == 0){
return;
}else{
that.next();
that.auto();
}
},4000);
},
prev:function(){
this.curIndex = --this.curIndex<0? this.size-1 : this.curIndex;
this.play();
},
next:function(){
this.curIndex = ++this.curIndex>this.size-1? 0 : this.curIndex;
console.log(this.curIndex)
this.play();
},
stop:function(){
this.stopTemp = 0;
},
bind:function(){
var that = this;
this.focus.bind("mouseover",function(){
that.stop();
}).bind("mouseout",function(){
that.stopTemp = 1;
//that.auto();
});
this.letsgo();
},
letsgo:function(){
var that = this;
this.btns.bind("click",function(){
var index = $(this).index();
that.curIndex = index;
that.play();
});
}
};
new Sliderfocus({
focus:$(".slider-focus"),
slider:$(".slider-focus .slider"),
btns:$(".btns li"),
width:670
});