JS写的简单的图片播放器
这是播放器主要实现简单的图片展示效果，可以控制默认显示的图片，可以修改图片切换的时间间隔。
样式文件 CssFile.css：
body,ul{
margin:0;
padding:0;
}
li{
list-style:none;
}
img{
border:none;
display:block;
}
.slide-wp{
width:500px;
height:300px;
overflow:hidden;
position:absolute;
left:50%;
top:20%;
margin-left:-250px;
margin-top:-60px;
}
.nav-wp{
position:absolute;
background:#ccc;
top:43%;
margin-top:170px;
left:50%;
margin-left:-100px;
border-radius:4px;
-moz-border-radius:4px;
-webkit-border-radius:4px;
padding:0 20px 6px 10px;
_padding:0 20px 2px 10px;
}
.nav li{
float:left;
margin-left:10px;
font-size:20px;
font-weight:bold;
font-family:tahoma;
color:#22739e;
cursor:pointer;
height:18px;
}
.nav li.cur{
color:#ff7a00;
}
.next{
font-family:"微软雅黑"; font-size:13px; font-weight:bold;
position:absolute;
top:1px;
left:160px;
padding:4px 8px;
color:#333;
background:#ccc;
height:20px;
border-radius:4px;
-moz-border-radius:4px;
-webkit-border-radius:4px;
cursor:pointer;
width: 62px;
}
JS文件 ImageShow.js：
var HR = {
$: function (i) { return document.getElementById(i) },
$$: function (c, p) { return p.getElementsByTagName(c) },
ce: function (i, t) {
var o = document.createElement(i);
t.appendChild(o);
return o;
}
};
HR.slider3D = function () {
var init = function (o) {
this.o = o;
var wp = HR.$(o.id), ul = HR.$$('ul', wp)[0], li = this.li = HR.$$('li', ul);
this.l = li.length;
this.w = wp.offsetWidth;
this.h = wp.offsetHeight;
this.at = o.auto ? o.auto : 4;
var con = this.con = HR.ce('div', wp);
con.style.cssText = 'position:absolute;left:0;top:0;width:' + this.w + 'px;height:' + this.h + 'px';
ul.style['display'] = 'none';
this.a1 = HR.ce('a', con);
this.a1.style.cssText = 'position:absolute;left:0;top:0;overflow:hidden';
this.a2 = HR.ce('a', con);
this.a2.style.cssText = 'position:absolute;top:0;right:0;overflow:hidden';
this.a1.innerHTML = this.a2.innerHTML = '<img alt="" />';
this.img = HR.$$('img', ul);
this.s = o.maskSize ? o.maskSize : 5;
this.mask11 = HR.ce('span', this.a1);
this.mask12 = HR.ce('span', this.a1);
this.mask21 = HR.ce('span', this.a2);
this.mask22 = HR.ce('span', this.a2);
document.getElementById("mask-slider").style.display = "";
this.pos(0); //设置默认显示的图片索引
}
init.prototype = {
pos: function (i) {
clearInterval(this.li[i].a); clearInterval(this.au); this.au = 0; this.cur = i;
var navli = HR.$$('li', HR.$(this.o.navId));
for (var j = 0; j < navli.length; j++) {
navli[j].className = i == j ? 'cur' : '';
}
var img1 = HR.$$('img', this.a1)[0], img2 = HR.$$('img', this.a2)[0], _this = this;
img1.src = i == 0 ? this.img[this.l - 1].src : this.img[i - 1].src;
img1.width = this.w;
img2.src = this.img[i].src;
img2.width = 0;
img1.height = img2.height = this.h;
this.mask11.style.cssText = 'position:absolute;left:0;top:0;font-size:0;overflow:hidden;width:0;height:0;border-color:black transparent transparent black;border-style:solid dashed dashed solid;border-width:0 ' + this.w / 2 + 'px';
this.mask12.style.cssText = 'position:absolute;left:0;bottom:0;font-size:0;overflow:hidden;width:0;height:0;border-color:transparent transparent black black;border-style:dashed dashed solid solid;border-width:0 ' + this.w / 2 + 'px';
this.mask21.style.cssText = 'position:absolute;right:0;top:0;font-size:0;overflow:hidden;width:0;height:0;border-color:black black transparent transparent;border-style:solid solid dashed dashed;border-width:0px';
this.mask22.style.cssText = 'position:absolute;right:0;bottom:0;font-size:0;overflow:hidden;width:0;height:0;border-color:transparent black black transparent;border-style:dashed solid solid dashed;border-width:0px';
this.li[i].a = setInterval(function () { _this.anim(i) }, 20);
},
anim: function (i) {
var w1 = HR.$$('img', this.a1)[0].width, w2 = HR.$$('img', this.a2)[0].width;
if (w2 == this.w) {
clearInterval(this.li[i].a);
HR.$$('img', this.a1)[0].width = 0;
HR.$$('img', this.a2)[0].width = this.w;
this.mask11.style.borderLeftWidth = this.mask11.style.borderRightWidth = this.mask12.style.borderLeftWidth = this.mask12.style.borderRightWidth = '0px';
this.mask11.style.borderTopWidth = this.mask11.style.borderBottomWidth = this.mask12.style.borderTopWidth = this.mask12.style.borderBottomWidth = this.h / this.s + 'px';
this.mask21.style.borderLeftWidth = this.mask21.style.borderRightWidth = this.mask22.style.borderLeftWidth = this.mask22.style.borderRightWidth = this.w / 2 + 'px';
this.mask21.style.borderTopWidth = this.mask21.style.borderBottomWidth = this.mask22.style.borderTopWidth = this.mask22.style.borderBottomWidth = '0px';
} else {
HR.$$('img', this.a1)[0].width -= Math.ceil((this.w - w2) * .13);
HR.$$('img', this.a2)[0].width += Math.ceil((this.w - w2) * .13);
this.mask11.style.borderLeftWidth = this.mask11.style.borderRightWidth = this.mask12.style.borderLeftWidth = this.mask12.style.borderRightWidth = HR.$$('img', this.a1)[0].width / 2 + 'px';
this.mask11.style.borderTopWidth = this.mask11.style.borderBottomWidth = this.mask12.style.borderTopWidth = this.mask12.style.borderBottomWidth = HR.$$('img', this.a2)[0].width * this.h / (this.s * this.w) + 'px';
this.mask21.style.borderLeftWidth = this.mask21.style.borderRightWidth = this.mask22.style.borderLeftWidth = this.mask22.style.borderRightWidth = HR.$$('img', this.a2)[0].width / 2 + 'px';
this.mask21.style.borderTopWidth = this.mask21.style.borderBottomWidth = this.mask22.style.borderTopWidth = this.mask22.style.borderBottomWidth = this.h / this.s - HR.$$('img', this.a2)[0].width * this.h / (this.s * this.w) + 'px';
if (!this.au) this.auto();
}
},
auto: function () {
var _this = this;
//alert(this.cur);
if (this.cur == 5) {
document.getElementById("mask-slider").style.display = "";
this.stop();
}
else {
document.getElementById("mask-slider").style.display = "none";
this.au = setInterval(function () { _this.move() }, this.at * 1000);
}
},
move: function () {
var n = this.cur == this.l - 1 ? 0 : this.cur + 1;
this.pos(n);
},
stop: function () {
clearInterval(this.au);
}
}
return init;
}();
var mySlider = new HR.slider3D({
id: 'slider', //div显示框的ID
maskSize: 6, //容纳的图片数量大小
navId: 'nav', //存放图片下方的序列点的容器ID
auto: 5 //图片切换的时间间隔大小，以秒为单位
})
显示界面：
注意：页面还需引用样式文件CssFile.css；
<div style="margin: 0 auto; width: 650px;">
<div id="slider" class="slide-wp">
<ul>
<li>
<%--每张图片的路径--%>
<img src="images/img01.png" alt="" /></li>
<li>
<img src="images/ img02.png" alt="" /></li>
<li>
<img src="images/ img03.jpg" alt="" /></li>
<li>
<img src="images/ img04.jpg" alt="" /></li>
<li>
<img src="images/ img05.png" alt="" /></li>
<li>
<img src="images/ img06.png" alt="" /></li>
</ul>
</div>
<div id="mask-slider" class="slide-wp" style="display: none;"> </div>
<div class="nav-wp">
<ul id="nav" class="nav">
<li onclick="mySlider.pos(0)">●</li>
<li onclick="mySlider.pos(1)">●</li>
<li onclick="mySlider.pos(2)">●</li>
<li onclick="mySlider.pos(3)">●</li>
<li onclick="mySlider.pos(4)">●</li>
<li onclick="mySlider.pos(5)">●</li>
</ul>
</div>
<script type="text/javascript" src="js/ ImageShow.js"></script>
</div>
