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标题 jQuery实现百叶窗焦点图动画效果代码分享(附源码下载)
内容
    这篇文章主要介绍了jQuery实现百叶窗焦点图动画效果代码分享(附源码下载)的相关资料,需要的朋友可以参考下
    这是一款基于jQuery的百叶窗焦点图动画，和之前介绍的CSS3百叶窗焦点图动画不同的是，它的兼容性更好，实用性更强，因为它是基于纯jQuery的，基本上所有浏览器都能够支持。焦点图的图片切换动画是百叶窗的动画方式，但也有几种不同的百叶窗动画，因此也不会觉得单调。
    名单
    HTML代码
    <div id="slider">
    <img src="images/1.jpg" />
    <img src="images/2.jpg" />
    <img src="images/3.jpg" />
    </div>
    CSS代码
    #slider {
    position: relative;
    width: 600px;
    overflow: hidden;
    margin: 10px auto 30px auto;
    }
    #slider li {
    position: absolute;
    top: 0;
    left: 0;
    }
    .caption {
    opacity: 0.8;
    background: #000;
    height: 33px;
    padding: 5px 0 0 0;
    color: #fff;
    text-align: center;
    font: 25px/1 '微软雅黑';
    z-index: 200;
    }
    .prev-link, .next-link {
    display: block;
    width: 24px;
    height: 24px;
    background-repeat: no-repeat;
    background-position: left top;
    position: absolute;
    bottom: 10px;
    z-index: 300;
    }
    .prev-link {
    left: 10px;
    background-image: url(prev.png );
    }
    .next-link {
    left: 40px;
    background-image: url(next.png );
    }
    .circle {
    display: block;
    width: 16px;
    height: 16px;
    background: url(circle-empty.png ) no-repeat left top;
    position: absolute;
    bottom: 10px;
    z-index: 300;
    }
    .circle-current {
    background-image: url(circle-full.png );
    }
    JavaScript代码
    (function(a) { (function() {
    var b = false;
    var c = (/xyz/.test(function() {
    xyz
    })) ? (/\b_super\b/) : (/.*/);
    this.Class = function() {};
    Class.extend = function(h) {
    var g = this.prototype;
    b = true;
    var f = new this();
    b = false;
    for (var e in h) {
    if (typeof h[e] == "function" && typeof g[e] == "function" && c.test(h[e])) {
    f[e] = (function(i, j) {
    return function() {
    var l = this._super;
    this._super = g[i];
    var k = j.apply(this, arguments);
    this._super = l;
    return k
    }
    })(e, h[e])
    } else {
    f[e] = h[e]
    }
    }
    function d() {
    if (!b && this.init) {
    this.init.apply(this, arguments)
    }
    }
    d.prototype = f;
    d.constructor = d;
    d.extend = arguments.callee;
    return d
    }
    })();
    a.fn.lateralSlider = function(b) {
    var d = {
    displayDuration: 2000,
    animateDuration: 1500,
    numColumns: 10,
    transitions: "fade,slideUp,slideDown,slideLeft,slideRight,slideUpAndDown,slideLeftAndRight,fadeAndSlideUp,fadeAndSlideDown,fadeAndSlideLeft,fadeAndSlideRight,fadeSlideUpAndRight,fadeSlideDownAndLeft",
    random: false,
    hidePrevAndNextArrows: false,
    hideSlideChooser: false,
    captionOpacity: 0.8
    };
    var c = a.extend({},
    d, b);
    this.each(function() {
    var j = a(this);
    var t = Class.extend({
    $imgs: null,
    size: null,
    displayImg: null,
    nextImg: null,
    numDivs: null,
    divWidth: null,
    baseCSS: null,
    $divs: null,
    transitions: [],
    transition: null,
    transitionCount: null,
    interval: null,
    width: null,
    init: function() {
    this.$imgs = a("img", j);
    this.size = this.$imgs.size();
    this.$imgs.hide();
    this.nextImg = 0;
    this.width = j.width();
    this.numDivs = c.numColumns;
    this.divWidth = this.width / this.numDivs;
    this.baseCSS = {
    width: this.divWidth,
    position: "absolute",
    top: 0,
    backgroundRepeat: "no-repeat"
    };
    this.createDivs();
    this.$divs = a("div", j);
    this.transitionCount = -1
    },
    createDivs: function() {
    for (var A = 0; A < this.numDivs; A++) {
    var B = a("<div></div>");
    B.css(this.baseCSS);
    B.css("left", this.divWidth * A);
    B.appendTo(j)
    }
    }
    });
    var y = new t();
    var g = Class.extend({
    baseDuration: null,
    originalOffset: null,
    offset: null,
    init: function() {
    this.baseDuration = c.animateDuration / 8;
    this.originalOffset = 7 * c.animateDuration / (8 * y.numDivs);
    this.offset = 7 * c.animateDuration / (8 * y.numDivs)
    },
    duration: function() {
    return this.baseDuration + this.offset
    },
    increment: function() {
    this.offset += this.originalOffset
    },
    reset: function() {
    this.offset = this.originalOffset
    },
    getCSS: function(A) {
    return {}
    },
    eachDiv: function() {
    return {}
    },
    applyTransition: function() {
    y.$divs.each(this.eachDiv);
    this.reset()
    }
    });
    var v = g.extend({
    applyTransition: function() {
    var A = this;
    y.$divs.each(function() {
    var B = A.eachDiv;
    if (typeof(A.eachDiv) == "function") {
    B = B()
    }
    a(this).animate(B, A.duration());
    A.increment()
    });
    this.reset()
    }
    });
    var m = v.extend({
    getCSSIndex: null,
    eachDivIndex: null,
    getCSSGroup: null,
    eachDivGroup: null,
    init: function() {
    this._super();
    this.getCSSGroup = new Array();
    this.eachDivGroup = new Array();
    this.getCSSIndex = 0;
    this.eachDivIndex = 0
    },
    getCSS: function(B) {
    var A = this.getCSSGroup[this.getCSSIndex];
    this.getCSSIndex = (this.getCSSIndex + 1) % this.getCSSGroup.length;
    return A(B)
    },
    addTransition: function(A) {
    this.getCSSGroup.push(A.getCSS);
    this.eachDivGroup.push(A.eachDiv)
    },
    applyTransition: function() {
    var A = this;
    y.$divs.each(function() {
    var B = A.eachDivGroup[A.eachDivIndex];
    if (typeof(B) == "function") {
    B = B()
    }
    a(this).animate(B, A.duration());
    A.eachDivIndex = (A.eachDivIndex + 1) % A.eachDivGroup.length;
    A.increment()
    });
    this.reset()
    }
    });
    var u = v.extend({
    getCSS: function(A) {
    return {
    opacity: 0
    }
    },
    eachDiv: {
    opacity: 1
    }
    });
    var f = v.extend({
    getCSS: function(A) {
    return {
    top: y.$imgs.eq(y.nextImg).height()
    }
    },
    eachDiv: {
    top: 0
    }
    });
    var h = v.extend({
    getCSS: function(A) {
    return {
    height: 0
    }
    },
    eachDiv: function() {
    return {
    height: y.$imgs.eq(y.nextImg).height()
    }
    }
    });
    var r = v.extend({
    getCSS: function(B) {
    var A = B.css("left");
    A = parseInt(A.substring(0, A.length - 2), 10);
    return {
    left: A + y.divWidth,
    width: 0
    }
    },
    eachDiv: {
    left: "-=" + y.divWidth,
    width: y.divWidth
    }
    });
    var q = v.extend({
    getCSS: function(A) {
    return {
    width: 0
    }
    },
    eachDiv: {
    width: y.divWidth
    }
    });
    var o = m.extend({
    addTransitions: function(A, B) {
    this.addTransition(A);
    this.addTransition(B)
    }
    });
    var w = m.extend({
    addTransitions: function(B, A) {
    this.addTransition(B);
    this.addTransition(A)
    }
    });
    var k = m.extend({
    addTransitions: function(A, B) {
    this.addTransition(A);
    this.addTransition(B)
    }
    });
    var n = m.extend({
    addTransitions: function(A, B) {
    this.addTransition(A);
    this.addTransition(B)
    }
    });
    var p = m.extend({
    addTransitions: function(A, B) {
    this.addTransition(A);
    this.addTransition(B)
    }
    });
    var e = m.extend({
    addTransitions: function(A, B) {
    this.addTransition(A);
    this.addTransition(B)
    }
    });
    var x = m.extend({
    addTransitions: function(A, C, B) {
    this.addTransition(A);
    this.addTransition(C);
    this.addTransition(B)
    }
    });
    var s = m.extend({
    addTransitions: function(C, A, B) {
    this.addTransition(C);
    this.addTransition(A);
    this.addTransition(B)
    }
    });
    var z = {
    fade: new u(),
    slideUp: new f(),
    slideDown: new h(),
    slideLeft: new r(),
    slideRight: new q(),
    slideUpAndDown: new o(),
    slideLeftAndRight: new w(),
    fadeAndSlideUp: new k(),
    fadeAndSlideDown: new n(),
    fadeAndSlideLeft: new p(),
    fadeAndSlideRight: new e(),
    fadeSlideUpAndRight: new x(),
    fadeSlideDownAndLeft: new s()
    };
    z.slideUpAndDown.addTransitions(z.slideUp, z.slideDown);
    z.slideLeftAndRight.addTransitions(z.slideLeft, z.slideRight);
    z.fadeAndSlideUp.addTransitions(z.slideUp, z.fade);
    z.fadeAndSlideDown.addTransitions(z.fade, z.slideDown);
    z.fadeAndSlideLeft.addTransitions(z.fade, z.slideLeft);
    z.fadeAndSlideRight.addTransitions(z.slideRight, z.fade);
    z.fadeSlideUpAndRight.addTransitions(z.slideUp, z.fade, z.slideRight);
    z.fadeSlideDownAndLeft.addTransitions(z.slideDown, z.fade, z.slideLeft);
    t.prototype.populateTransitions = function() {
    var B = c.transitions.split(/,\s*/g);
    for (var A in B) {
    this.transitions.push(z[B[A]])
    }
    };
    t.prototype.getTransition = function() {
    if (c.random) {
    var A = Math.floor(Math.random() * this.transitions.length);
    return this.transitions[A]
    } else {
    this.transitionCount = (this.transitionCount + 1) % this.transitions.length;
    return this.transitions[this.transitionCount]
    }
    };
    t.prototype.addDivCSS = function() {
    var B = this;
    var C = B.$imgs.eq(B.nextImg);
    var D = "url(" + C.attr("src") + ")";
    var A = C.height();
    this.$divs.each(function() {
    var E = a(this);
    E.css({
    backgroundImage: D,
    backgroundPosition: "-" + E.css("left") + " 0px",
    height: A
    });
    E.css(B.transition.getCSS(E))
    })
    };
    t.prototype.process = function() {
    j.css({
    backgroundImage: "url(" + this.$imgs.eq(this.displayImg).attr("src") + ")",
    backgroundRepeat: "no-repeat"
    });
    this.transition = this.getTransition();
    this.addDivCSS();
    this.transition.applyTransition();
    j.animate({
    height: this.$imgs.eq(this.nextImg).height()
    },
    c.animateDuration);
    this.advanceShow()
    };
    t.prototype.updateCurrent = function() {
    a('.circle[rel="' + this.displayImg + '"]').removeClass("circle-current");
    a('.circle[rel="' + this.nextImg + '"]').addClass("circle-current")
    };
    t.prototype.advanceShow = function() {
    this.updateCurrent();
    this.displayImg = this.nextImg;
    if (this.nextImg == this.size - 1) {
    this.nextImg = 0
    } else {
    this.nextImg++
    }
    };
    t.prototype.startShow = function() {
    this.interval = window.setInterval(a.proxy(this.runner, this), c.displayDuration + c.animateDuration)
    };
    t.prototype.stopShow = function() {
    window.clearInterval(this.interval)
    };
    t.prototype.goToSlide = function(A) {
    if (this.$divs.filter(":animated").size() > 0) {
    return
    }
    this.stopShow();
    this.nextImg = A;
    this.updateCurrent();
    this.runner();
    if (this.nextImg == 0) {
    this.displayImg = this.size - 1
    } else {
    this.displayImg = this.nextImg - 1
    }
    this.startShow()
    };
    t.prototype.applyLink = function() {
    var C = this.$imgs.eq(this.displayImg);
    var B = C.parent();
    if (B.is("a")) {
    B.removeAttr("style")
    }
    var A = this.$imgs.eq(this.nextImg);
    var D = A.parent();
    if (D.is("a")) {
    D.css({
    display: "block",
    textDecoration: "none",
    border: "0",
    width: j.width(),
    height: A.height(),
    position: "absolute",
    top: 0,
    left: 0,
    zIndex: 100
    })
    }
    };
    t.prototype.applyCaption = function() {
    var A = this.$imgs.eq(this.nextImg);
    var C = A.attr("title");
    var D = a(".caption", j);
    D.slideUp(function() {
    a(this).html(C)
    });
    if (C != "") {
    if (D.size() > 0) {
    if (!D.is(":visible")) {
    D.html(C)
    }
    D.slideDown()
    } else {
    var B = a('<div><span>' + C + "</span></div>");
    B.css({
    opacity: c.captionOpacity,
    width: j.width(),
    position: "absolute",
    top: 0,
    left: 0,
    display: "none"
    });
    B.appendTo(j);
    B.slideDown()
    }
    }
    };
    t.prototype.runner = function() {
    this.applyLink();
    this.applyCaption();
    this.process()
    };
    t.prototype.begin = function() {
    var A = this.$imgs.eq(this.nextImg);
    j.css({
    backgroundImage: "url(" + A.attr("src") + ")",
    height: A.height()
    });
    this.runner();
    this.transitionCount--;
    this.startShow()
    };
    var i = Class.extend({
    circleCount: null,
    init: function() {
    this.circleCount = 0
    },
    addAll: function() {
    this.addCircles();
    this.addPrevAndNextLinks();
    a("a.circle").click(this.circleClickHandler);
    a(".prev-link").click(this.prevLinkHandler);
    a(".next-link").click(this.nextLinkHandler);
    if (c.hideSlideChooser) {
    a("a.circle").hide()
    }
    if (c.hidePrevAndNextArrows) {
    a(".prev-link, .next-link").hide()
    }
    },
    addCircles: function() {
    var A = this;
    y.$imgs.each(function() {
    var B = a('<a href="#" rel="' + A.circleCount + '"></a>');
    B.css({
    right: (y.size - A.circleCount - 1) * 20 + 10
    });
    B.appendTo(j);
    A.circleCount++
    })
    },
    addPrevAndNextLinks: function() {
    a('<a href="#"></a>').appendTo(j);
    a('<a href="#"></a>').appendTo(j)
    },
    circleClickHandler: function(B) {
    var A = parseInt(a(this).attr("rel"), 10);
    y.goToSlide(A);
    B.preventDefault()
    },
    prevLinkHandler: function(B) {
    var A = y.displayImg - 1;
    if (A < 0) {
    A = y.size - 1
    }
    y.goToSlide(A);
    B.preventDefault()
    },
    nextLinkHandler: function(B) {
    var A = y.displayImg + 1;
    if (A >= y.size) {
    A = 0
    }
    y.goToSlide(A);
    B.preventDefault()
    }
    });
    var l = new i();
    l.addAll();
    y.populateTransitions();
    y.begin()
    });
    return this
    }
    })(jQuery);
    当然不要忘记在网页中引用jQuery的相关库文件。
    关于jQuery实现百叶窗焦点图动画效果代码分享(附源码下载)就给大家介绍到这里，希望对大家有所帮助！
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更新时间：2025/5/14 15:18:19