这又是一款很不错的jQuery焦点图动画，它的特点是整个焦点图基本是全屏显示的，非常大气，而且图片的倾斜也给整个焦点图3D立体的视觉效果，而且焦点图的图片切换非常流畅，相当实用。

HTML代码：

<div class="wrapper"></div><div id="pxs_container" class="pxs_container"> <div class="pxs_bg"> <div class="pxs_bg1"></div> <div class="pxs_bg2"></div> <div class="pxs_bg3"></div> </div> <div class="pxs_loading">Loading images...</div> <div class="pxs_slider_wrapper"> <ul class="pxs_slider"> <li><img src="images/1.jpg" alt="First Image" /></li> <li><img src="images/2.jpg" alt="Second Image" /></li> <li><img src="images/3.jpg" alt="Third Image" /></li> <li><img src="images/4.jpg" alt="Forth Image" /></li> <li><img src="images/5.jpg" alt="Fifth Image" /></li> <li><img src="images/6.jpg" alt="Sixth Image" /></li> </ul> <div class="pxs_navigation"> <span class="pxs_next"></span> <span class="pxs_prev"></span> </div> <ul class="pxs_thumbnails"> <li><img src="images/thumbs/1.jpg" alt="First Image" /></li> <li><img src="images/thumbs/2.jpg" alt="Second Image" /></li> <li><img src="images/thumbs/3.jpg" alt="Third Image" /></li> <li><img src="images/thumbs/4.jpg" alt="Forth Image" /></li> <li><img src="images/thumbs/5.jpg" alt="Fifth Image" /></li> <li><img src="images/thumbs/6.jpg" alt="Sixth Image" /></li> </ul> </div></div>

JavaScript代码

(function($) { $.fn.parallaxSlider = function(options) { var opts = $.extend({}, $.fn.parallaxSlider.defaults, options); return this.each(function() { var $pxs_container = $(this), o = $.meta ? $.extend({}, opts, $pxs_container.data()) : opts; //the main slider var $pxs_slider = $('.pxs_slider',$pxs_container), //the elements in the slider $elems = $pxs_slider.children(), //total number of elements total_elems = $elems.length, //the navigation buttons $pxs_next = $('.pxs_next',$pxs_container), $pxs_prev = $('.pxs_prev',$pxs_container), //the bg images $pxs_bg1 = $('.pxs_bg1',$pxs_container), $pxs_bg2 = $('.pxs_bg2',$pxs_container), $pxs_bg3 = $('.pxs_bg3',$pxs_container), //current image current = 0, //the thumbs container $pxs_thumbnails = $('.pxs_thumbnails',$pxs_container), //the thumbs $thumbs = $pxs_thumbnails.children(), //the interval for the autoplay mode slideshow, //the loading image $pxs_loading = $('.pxs_loading',$pxs_container), $pxs_slider_wrapper = $('.pxs_slider_wrapper',$pxs_container); //first preload all the images var loaded = 0, $images = $pxs_slider_wrapper.find('img'); $images.each(function(){ var $img = $(this); $('<img/>').load(function(){ ++loaded; if(loaded == total_elems*2){ $pxs_loading.hide(); $pxs_slider_wrapper.show(); //one images width (assuming all images have the same sizes) var one_image_w = $pxs_slider.find('img:first').width(); setWidths($pxs_slider, $elems, total_elems, $pxs_bg1, $pxs_bg2, $pxs_bg3, one_image_w, $pxs_next, $pxs_prev); $pxs_thumbnails.css({ 'width' : one_image_w + 'px', 'margin-left' : -one_image_w/2 + 'px' }); var spaces = one_image_w/(total_elems+1); $thumbs.each(function(i){ var $this = $(this); var left = spaces*(i+1) - $this.width()/2; $this.css('left',left+'px'); if(o.thumbRotation){ var angle = Math.floor(Math.random()*41)-20; $this.css({ '-moz-transform' : 'rotate('+ angle +'deg)', '-webkit-transform' : 'rotate('+ angle +'deg)', 'transform' : 'rotate('+ angle +'deg)' }); } //hovering the thumbs animates them up and down $this.bind('mouseenter',function(){ $(this).stop().animate({top:'-10px'},100); }).bind('mouseleave',function(){ $(this).stop().animate({top:'0px'},100); }); }); //make the first thumb be selected highlight($thumbs.eq(0)); //slide when clicking the navigation buttons $pxs_next.bind('click',function(){ ++current; if(current >= total_elems) if(o.circular) current = 0; else{ --current; return false; } highlight($thumbs.eq(current)); slide(current, $pxs_slider, $pxs_bg3, $pxs_bg2, $pxs_bg1, o.speed, o.easing, o.easingBg); }); $pxs_prev.bind('click',function(){ --current; if(current < 0) if(o.circular) current = total_elems - 1; else{ ++current; return false; } highlight($thumbs.eq(current)); slide(current, $pxs_slider, $pxs_bg3, $pxs_bg2, $pxs_bg1, o.speed, o.easing, o.easingBg); }); $thumbs.bind('click',function(){ var $thumb = $(this); highlight($thumb); //if autoplay interrupt when user clicks if(o.auto) clearInterval(slideshow); current = $thumb.index(); slide(current, $pxs_slider, $pxs_bg3, $pxs_bg2, $pxs_bg1, o.speed, o.easing, o.easingBg); }); if(o.auto != 0){ o.circular = true; slideshow = setInterval(function(){ $pxs_next.trigger('click'); },o.auto); } $(window).resize(function(){ w_w = $(window).width(); setWidths($pxs_slider,$elems,total_elems,$pxs_bg1,$pxs_bg2,$pxs_bg3,one_image_w,$pxs_next,$pxs_prev); slide(current, $pxs_slider, $pxs_bg3, $pxs_bg2, $pxs_bg1, 1, o.easing, o.easingBg); }); } }).error(function(){ alert('here') }).attr('src',$img.attr('src')); }); }); }; //the current windows width var w_w = $(window).width(); var slide = function(current, $pxs_slider, $pxs_bg3, $pxs_bg2, $pxs_bg1, speed, easing, easingBg){ var slide_to = parseInt(-w_w * current); $pxs_slider.stop().animate({ left : slide_to + 'px' },speed, easing); $pxs_bg3.stop().animate({ left : slide_to/2 + 'px' },speed, easingBg); $pxs_bg2.stop().animate({ left : slide_to/4 + 'px' },speed, easingBg); $pxs_bg1.stop().animate({ left : slide_to/8 + 'px' },speed, easingBg); } var highlight = function($elem){ $elem.siblings().removeClass('selected'); $elem.addClass('selected'); } var setWidths = function($pxs_slider, $elems, total_elems, $pxs_bg1, $pxs_bg2, $pxs_bg3, one_image_w, $pxs_next, $pxs_prev){ var pxs_slider_w = w_w * total_elems; $pxs_slider.width(pxs_slider_w + 'px'); //each element will have a width = windows width $elems.width(w_w + 'px'); $pxs_bg1.width(pxs_slider_w + 'px'); $pxs_bg2.width(pxs_slider_w + 'px'); $pxs_bg3.width(pxs_slider_w + 'px'); var position_nav = w_w/2 - one_image_w/2 + 3; $pxs_next.css('right', position_nav + 'px'); $pxs_prev.css('left', position_nav + 'px'); } $.fn.parallaxSlider.defaults = { auto : 0, //how many seconds to periodically slide the content. //If set to 0 then autoplay is turned off. speed : 1000,//speed of each slide animation easing : 'jswing',//easing effect for the slide animation easingBg : 'jswing',//easing effect for the background animation circular : true,//circular slider thumbRotation : true//the thumbs will be randomly rotated }; //easeInOutExpo,easeInBack})(jQuery);

调用插件的JavaScript代码

$(function() { var $pxs_container = $('#pxs_container'); $pxs_container.parallaxSlider();});

以上就是本文的全部内容，希望对大家学习jquery程序设计有所帮助。