3D盒子图片切换效果

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JavaScript
jQuery

JavaScript jQuery

<!doctype html>

<html>

<head>

<style>

html {background:#000}

body, ul {margin:0;padding:0}

li {list-style:none}

img {border:none;display:block}

.slide-wp {

width: 520px;

height: 280px;

overflow: hidden;

position: absolute;

left: 50%;

top: 50%;

margin-left: -250px;

margin-top: -150px;

}

.nav-wp {

position: absolute;

background: #ccc;

top: 50%;

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: 22px;

}

.nav li.cur{color: #ff7a00}

.next {

position:absolute;

top: 0;

left: 160px;

padding: 4px 8px;

color: #ff7a00;

background: #ccc;

height: 20px;

border-radius: 4px;

-moz-border-radius: 4px;

-webkit-border-radius: 4px;

cursor: pointer;

}

</style>

</head>

<body>

<h2 style="color:#fff">对于使用IE6的同学看到的斑点，我只能表示很无奈。。。</h2>

<ul>

</ul>

</div>

</ul>

</div>

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);

this.pos(0);

}

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;

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);

}

return init;

}();

var mySlider = new HR.slider3D({

id: 'slider',

maskSize: 6,

navId: 'nav',

auto: 4

})</script></body>

</html>

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Tomcat性能调优方案 | Sql 语句集合

2011-11-15 09:07
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分类:Web前端
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