bxSlider横幅轮播

参考网址：http://www.jq22.com/jquery-info7010

插件官网：http://bxslider.com/

注：jq要用：<script src="http://libs.baidu.com/jquery/1.8.3/jquery.min.js"></script>

用其他jq可能会无效

 

引用

<link rel="stylesheet" type="text/css" href="jquery.bxslider.css"> 

<script src="http://libs.baidu.com/jquery/1.8.3/jquery.min.js"></script>

<script src="jquery.bxslider.min.js"></script>

 

 

jquery.bxslider.js

/**
 * BxSlider v4.1.2 - Fully loaded, responsive content slider
 * http://bxslider.com
 *
 * Copyright 2014, Steven Wanderski - http://stevenwanderski.com - http://bxcreative.com
 * Written while drinking Belgian ales and listening to jazz
 *
 * Released under the MIT license - http://opensource.org/licenses/MIT
 */

;(function($){

    var plugin = {};

    var defaults = {

        // GENERAL
        mode: 'horizontal',
        slideSelector: '',
        infiniteLoop: true,
        hideControlOnEnd: false,
        speed: 500,
        easing: null,
        slideMargin: 0,
        startSlide: 0,
        randomStart: false,
        captions: false,
        ticker: false,
        tickerHover: false,
        adaptiveHeight: false,
        adaptiveHeightSpeed: 500,
        video: false,
        useCSS: true,
        preloadImages: 'visible',
        responsive: true,
        slideZIndex: 50,
        wrapperClass: 'bx-wrapper',

        // TOUCH
        touchEnabled: true,
        swipeThreshold: 50,
        oneToOneTouch: true,
        preventDefaultSwipeX: true,
        preventDefaultSwipeY: false,

        // PAGER
        pager: true,
        pagerType: 'full',
        pagerShortSeparator: ' / ',
        pagerSelector: null,
        buildPager: null,
        pagerCustom: null,

        // CONTROLS
        controls: true,
        nextText: 'Next',
        prevText: 'Prev',
        nextSelector: null,
        prevSelector: null,
        autoControls: false,
        startText: 'Start',
        stopText: 'Stop',
        autoControlsCombine: false,
        autoControlsSelector: null,

        // AUTO
        auto: false,
        pause: 4000,
        autoStart: true,
        autoDirection: 'next',
        autoHover: false,
        autoDelay: 0,
        autoSlideForOnePage: false,

        // CAROUSEL
        minSlides: 1,
        maxSlides: 1,
        moveSlides: 0,
        slideWidth: 0,

        // CALLBACKS
        onSliderLoad: function() {},
        onSlideBefore: function() {},
        onSlideAfter: function() {},
        onSlideNext: function() {},
        onSlidePrev: function() {},
        onSliderResize: function() {}
    }

    $.fn.bxSlider = function(options){

        if(this.length == 0) return this;

        // support mutltiple elements
        if(this.length > 1){
            this.each(function(){$(this).bxSlider(options)});
            return this;
        }

        // create a namespace to be used throughout the plugin
        var slider = {};
        // set a reference to our slider element
        var el = this;
        plugin.el = this;

        /**
         * Makes slideshow responsive
         */
        // first get the original window dimens (thanks alot IE)
        var windowWidth = $(window).width();
        var windowHeight = $(window).height();



        /**
         * ===================================================================================
         * = PRIVATE FUNCTIONS
         * ===================================================================================
         */

        /**
         * Initializes namespace settings to be used throughout plugin
         */
        var init = function(){
            // merge user-supplied options with the defaults
            slider.settings = $.extend({}, defaults, options);
            // parse slideWidth setting
            slider.settings.slideWidth = parseInt(slider.settings.slideWidth);
            // store the original children
            slider.children = el.children(slider.settings.slideSelector);
            // check if actual number of slides is less than minSlides / maxSlides
            if(slider.children.length < slider.settings.minSlides) slider.settings.minSlides = slider.children.length;
            if(slider.children.length < slider.settings.maxSlides) slider.settings.maxSlides = slider.children.length;
            // if random start, set the startSlide setting to random number
            if(slider.settings.randomStart) slider.settings.startSlide = Math.floor(Math.random() * slider.children.length);
            // store active slide information
            slider.active = { index: slider.settings.startSlide }
            // store if the slider is in carousel mode (displaying / moving multiple slides)
            slider.carousel = slider.settings.minSlides > 1 || slider.settings.maxSlides > 1;
            // if carousel, force preloadImages = 'all'
            if(slider.carousel) slider.settings.preloadImages = 'all';
            // calculate the min / max width thresholds based on min / max number of slides
            // used to setup and update carousel slides dimensions
            slider.minThreshold = (slider.settings.minSlides * slider.settings.slideWidth) + ((slider.settings.minSlides - 1) * slider.settings.slideMargin);
            slider.maxThreshold = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
            // store the current state of the slider (if currently animating, working is true)
            slider.working = false;
            // initialize the controls object
            slider.controls = {};
            // initialize an auto interval
            slider.interval = null;
            // determine which property to use for transitions
            slider.animProp = slider.settings.mode == 'vertical' ? 'top' : 'left';
            // determine if hardware acceleration can be used
            slider.usingCSS = slider.settings.useCSS && slider.settings.mode != 'fade' && (function(){
                // create our test div element
                var div = document.createElement('div');
                // css transition properties
                var props = ['WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective'];
                // test for each property
                for(var i in props){
                    if(div.style[props[i]] !== undefined){
                        slider.cssPrefix = props[i].replace('Perspective', '').toLowerCase();
                        slider.animProp = '-' + slider.cssPrefix + '-transform';
                        return true;
                    }
                }
                return false;
            }());
            // if vertical mode always make maxSlides and minSlides equal
            if(slider.settings.mode == 'vertical') slider.settings.maxSlides = slider.settings.minSlides;
            // save original style data
            el.data("origStyle", el.attr("style"));
            el.children(slider.settings.slideSelector).each(function() {
              $(this).data("origStyle", $(this).attr("style"));
            });
            // perform all DOM / CSS modifications
            setup();
        }

        /**
         * Performs all DOM and CSS modifications
         */
        var setup = function(){
            // wrap el in a wrapper
            el.wrap('<div class="' + slider.settings.wrapperClass + '"><div class="bx-viewport"></div></div>');
            // store a namspace reference to .bx-viewport
            slider.viewport = el.parent();
            // add a loading div to display while images are loading
            slider.loader = $('<div class="bx-loading" />');
            slider.viewport.prepend(slider.loader);
            // set el to a massive width, to hold any needed slides
            // also strip any margin and padding from el
            el.css({
                width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto',
                position: 'relative'
            });
            // if using CSS, add the easing property
            if(slider.usingCSS && slider.settings.easing){
                el.css('-' + slider.cssPrefix + '-transition-timing-function', slider.settings.easing);
            // if not using CSS and no easing value was supplied, use the default JS animation easing (swing)
            }else if(!slider.settings.easing){
                slider.settings.easing = 'swing';
            }
            var slidesShowing = getNumberSlidesShowing();
            // make modifications to the viewport (.bx-viewport)
            slider.viewport.css({
                width: '100%',
                overflow: 'hidden',
                position: 'relative'
            });
            slider.viewport.parent().css({
                maxWidth: getViewportMaxWidth()
            });
            // make modification to the wrapper (.bx-wrapper)
            if(!slider.settings.pager) {
                slider.viewport.parent().css({
                margin: '0 auto 0px'
                });
            }
            // apply css to all slider children
            slider.children.css({
                'float': slider.settings.mode == 'horizontal' ? 'left' : 'none',
                listStyle: 'none',
                position: 'relative'
            });
            // apply the calculated width after the float is applied to prevent scrollbar interference
            slider.children.css('width', getSlideWidth());
            // if slideMargin is supplied, add the css
            if(slider.settings.mode == 'horizontal' && slider.settings.slideMargin > 0) slider.children.css('marginRight', slider.settings.slideMargin);
            if(slider.settings.mode == 'vertical' && slider.settings.slideMargin > 0) slider.children.css('marginBottom', slider.settings.slideMargin);
            // if "fade" mode, add positioning and z-index CSS
            if(slider.settings.mode == 'fade'){
                slider.children.css({
                    position: 'absolute',
                    zIndex: 0,
                    display: 'none'
                });
                // prepare the z-index on the showing element
                slider.children.eq(slider.settings.startSlide).css({zIndex: slider.settings.slideZIndex, display: 'block'});
            }
            // create an element to contain all slider controls (pager, start / stop, etc)
            slider.controls.el = $('<div class="bx-controls" />');
            // if captions are requested, add them
            if(slider.settings.captions) appendCaptions();
            // check if startSlide is last slide
            slider.active.last = slider.settings.startSlide == getPagerQty() - 1;
            // if video is true, set up the fitVids plugin
            if(slider.settings.video) el.fitVids();
            // set the default preload selector (visible)
            var preloadSelector = slider.children.eq(slider.settings.startSlide);
            if (slider.settings.preloadImages == "all") preloadSelector = slider.children;
            // only check for control addition if not in "ticker" mode
            if(!slider.settings.ticker){
                // if pager is requested, add it
                if(slider.settings.pager) appendPager();
                // if controls are requested, add them
                if(slider.settings.controls) appendControls();
                // if auto is true, and auto controls are requested, add them
                if(slider.settings.auto && slider.settings.autoControls) appendControlsAuto();
                // if any control option is requested, add the controls wrapper
                if(slider.settings.controls || slider.settings.autoControls || slider.settings.pager) slider.viewport.after(slider.controls.el);
            // if ticker mode, do not allow a pager
            }else{
                slider.settings.pager = false;
            }
            // preload all images, then perform final DOM / CSS modifications that depend on images being loaded
            loadElements(preloadSelector, start);
        }

        var loadElements = function(selector, callback){
            var total = selector.find('img, iframe').length;
            if (total == 0){
                callback();
                return;
            }
            var count = 0;
            selector.find('img, iframe').each(function(){
                $(this).one('load', function() {
                  if(++count == total) callback();
                }).each(function() {
                  if(this.complete) $(this).load();
                });
            });
        }

        /**
         * Start the slider
         */
        var start = function(){
            // if infinite loop, prepare additional slides
            if(slider.settings.infiniteLoop && slider.settings.mode != 'fade' && !slider.settings.ticker){
                var slice = slider.settings.mode == 'vertical' ? slider.settings.minSlides : slider.settings.maxSlides;
                var sliceAppend = slider.children.slice(0, slice).clone().addClass('bx-clone');
                var slicePrepend = slider.children.slice(-slice).clone().addClass('bx-clone');
                el.append(sliceAppend).prepend(slicePrepend);
            }
            // remove the loading DOM element
            slider.loader.remove();
            // set the left / top position of "el"
            setSlidePosition();
            // if "vertical" mode, always use adaptiveHeight to prevent odd behavior
            if (slider.settings.mode == 'vertical') slider.settings.adaptiveHeight = true;
            // set the viewport height
            slider.viewport.height(getViewportHeight());
            // make sure everything is positioned just right (same as a window resize)
            el.redrawSlider();
            // onSliderLoad callback
            slider.settings.onSliderLoad(slider.active.index);
            // slider has been fully initialized
            slider.initialized = true;
            // bind the resize call to the window
            if (slider.settings.responsive) $(window).bind('resize', resizeWindow);
            // if auto is true and has more than 1 page, start the show
            if (slider.settings.auto && slider.settings.autoStart && (getPagerQty() > 1 || slider.settings.autoSlideForOnePage)) initAuto();
            // if ticker is true, start the ticker
            if (slider.settings.ticker) initTicker();
            // if pager is requested, make the appropriate pager link active
            if (slider.settings.pager) updatePagerActive(slider.settings.startSlide);
            // check for any updates to the controls (like hideControlOnEnd updates)
            if (slider.settings.controls) updateDirectionControls();
            // if touchEnabled is true, setup the touch events
            if (slider.settings.touchEnabled && !slider.settings.ticker) initTouch();
        }

        /**
         * Returns the calculated height of the viewport, used to determine either adaptiveHeight or the maxHeight value
         */
        var getViewportHeight = function(){
            var height = 0;
            // first determine which children (slides) should be used in our height calculation
            var children = $();
            // if mode is not "vertical" and adaptiveHeight is false, include all children
            if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveHeight){
                children = slider.children;
            }else{
                // if not carousel, return the single active child
                if(!slider.carousel){
                    children = slider.children.eq(slider.active.index);
                // if carousel, return a slice of children
                }else{
                    // get the individual slide index
                    var currentIndex = slider.settings.moveSlides == 1 ? slider.active.index : slider.active.index * getMoveBy();
                    // add the current slide to the children
                    children = slider.children.eq(currentIndex);
                    // cycle through the remaining "showing" slides
                    for (i = 1; i <= slider.settings.maxSlides - 1; i++){
                        // if looped back to the start
                        if(currentIndex + i >= slider.children.length){
                            children = children.add(slider.children.eq(i - 1));
                        }else{
                            children = children.add(slider.children.eq(currentIndex + i));
                        }
                    }
                }
            }
            // if "vertical" mode, calculate the sum of the heights of the children
            if(slider.settings.mode == 'vertical'){
                children.each(function(index) {
                  height += $(this).outerHeight();
                });
                // add user-supplied margins
                if(slider.settings.slideMargin > 0){
                    height += slider.settings.slideMargin * (slider.settings.minSlides - 1);
                }
            // if not "vertical" mode, calculate the max height of the children
            }else{
                height = Math.max.apply(Math, children.map(function(){
                    return $(this).outerHeight(false);
                }).get());
            }

            if(slider.viewport.css('box-sizing') == 'border-box'){
                height +=    parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom')) +
                            parseFloat(slider.viewport.css('border-top-width')) + parseFloat(slider.viewport.css('border-bottom-width'));
            }else if(slider.viewport.css('box-sizing') == 'padding-box'){
                height +=    parseFloat(slider.viewport.css('padding-top')) + parseFloat(slider.viewport.css('padding-bottom'));
            }

            return height;
        }

        /**
         * Returns the calculated width to be used for the outer wrapper / viewport
         */
        var getViewportMaxWidth = function(){
            var width = '100%';
            if(slider.settings.slideWidth > 0){
                if(slider.settings.mode == 'horizontal'){
                    width = (slider.settings.maxSlides * slider.settings.slideWidth) + ((slider.settings.maxSlides - 1) * slider.settings.slideMargin);
                }else{
                    width = slider.settings.slideWidth;
                }
            }
            return width;
        }

        /**
         * Returns the calculated width to be applied to each slide
         */
        var getSlideWidth = function(){
            // start with any user-supplied slide width
            var newElWidth = slider.settings.slideWidth;
            // get the current viewport width
            var wrapWidth = slider.viewport.width();
            // if slide width was not supplied, or is larger than the viewport use the viewport width
            if(slider.settings.slideWidth == 0 ||
                (slider.settings.slideWidth > wrapWidth && !slider.carousel) ||
                slider.settings.mode == 'vertical'){
                newElWidth = wrapWidth;
            // if carousel, use the thresholds to determine the width
            }else if(slider.settings.maxSlides > 1 && slider.settings.mode == 'horizontal'){
                if(wrapWidth > slider.maxThreshold){
                    // newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.maxSlides - 1))) / slider.settings.maxSlides;
                }else if(wrapWidth < slider.minThreshold){
                    newElWidth = (wrapWidth - (slider.settings.slideMargin * (slider.settings.minSlides - 1))) / slider.settings.minSlides;
                }
            }
            return newElWidth;
        }

        /**
         * Returns the number of slides currently visible in the viewport (includes partially visible slides)
         */
        var getNumberSlidesShowing = function(){
            var slidesShowing = 1;
            if(slider.settings.mode == 'horizontal' && slider.settings.slideWidth > 0){
                // if viewport is smaller than minThreshold, return minSlides
                if(slider.viewport.width() < slider.minThreshold){
                    slidesShowing = slider.settings.minSlides;
                // if viewport is larger than minThreshold, return maxSlides
                }else if(slider.viewport.width() > slider.maxThreshold){
                    slidesShowing = slider.settings.maxSlides;
                // if viewport is between min / max thresholds, divide viewport width by first child width
                }else{
                    var childWidth = slider.children.first().width() + slider.settings.slideMargin;
                    slidesShowing = Math.floor((slider.viewport.width() +
                        slider.settings.slideMargin) / childWidth);
                }
            // if "vertical" mode, slides showing will always be minSlides
            }else if(slider.settings.mode == 'vertical'){
                slidesShowing = slider.settings.minSlides;
            }
            return slidesShowing;
        }

        /**
         * Returns the number of pages (one full viewport of slides is one "page")
         */
        var getPagerQty = function(){
            var pagerQty = 0;
            // if moveSlides is specified by the user
            if(slider.settings.moveSlides > 0){
                if(slider.settings.infiniteLoop){
                    pagerQty = Math.ceil(slider.children.length / getMoveBy());
                }else{
                    // use a while loop to determine pages
                    var breakPoint = 0;
                    var counter = 0
                    // when breakpoint goes above children length, counter is the number of pages
                    while (breakPoint < slider.children.length){
                        ++pagerQty;
                        breakPoint = counter + getNumberSlidesShowing();
                        counter += slider.settings.moveSlides <= getNumberSlidesShowing() ? slider.settings.moveSlides : getNumberSlidesShowing();
                    }
                }
            // if moveSlides is 0 (auto) divide children length by sides showing, then round up
            }else{
                pagerQty = Math.ceil(slider.children.length / getNumberSlidesShowing());
            }
            return pagerQty;
        }

        /**
         * Returns the number of indivual slides by which to shift the slider
         */
        var getMoveBy = function(){
            // if moveSlides was set by the user and moveSlides is less than number of slides showing
            if(slider.settings.moveSlides > 0 && slider.settings.moveSlides <= getNumberSlidesShowing()){
                return slider.settings.moveSlides;
            }
            // if moveSlides is 0 (auto)
            return getNumberSlidesShowing();
        }

        /**
         * Sets the slider's (el) left or top position
         */
        var setSlidePosition = function(){
            // if last slide, not infinite loop, and number of children is larger than specified maxSlides
            if(slider.children.length > slider.settings.maxSlides && slider.active.last && !slider.settings.infiniteLoop){
                if (slider.settings.mode == 'horizontal'){
                    // get the last child's position
                    var lastChild = slider.children.last();
                    var position = lastChild.position();
                    // set the left position
                    setPositionProperty(-(position.left - (slider.viewport.width() - lastChild.outerWidth())), 'reset', 0);
                }else if(slider.settings.mode == 'vertical'){
                    // get the last showing index's position
                    var lastShowingIndex = slider.children.length - slider.settings.minSlides;
                    var position = slider.children.eq(lastShowingIndex).position();
                    // set the top position
                    setPositionProperty(-position.top, 'reset', 0);
                }
            // if not last slide
            }else{
                // get the position of the first showing slide
                var position = slider.children.eq(slider.active.index * getMoveBy()).position();
                // check for last slide
                if (slider.active.index == getPagerQty() - 1) slider.active.last = true;
                // set the repective position
                if (position != undefined){
                    if (slider.settings.mode == 'horizontal') setPositionProperty(-position.left, 'reset', 0);
                    else if (slider.settings.mode == 'vertical') setPositionProperty(-position.top, 'reset', 0);
                }
            }
        }

        /**
         * Sets the el's animating property position (which in turn will sometimes animate el).
         * If using CSS, sets the transform property. If not using CSS, sets the top / left property.
         *
         * @param value (int)
         *  - the animating property's value
         *
         * @param type (string) 'slider', 'reset', 'ticker'
         *  - the type of instance for which the function is being
         *
         * @param duration (int)
         *  - the amount of time (in ms) the transition should occupy
         *
         * @param params (array) optional
         *  - an optional parameter containing any variables that need to be passed in
         */
        var setPositionProperty = function(value, type, duration, params){
            // use CSS transform
            if(slider.usingCSS){
                // determine the translate3d value
                var propValue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)';
                // add the CSS transition-duration
                el.css('-' + slider.cssPrefix + '-transition-duration', duration / 1000 + 's');
                if(type == 'slide'){
                    // set the property value
                    el.css(slider.animProp, propValue);
                    // bind a callback method - executes when CSS transition completes
                    el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
                        // unbind the callback
                        el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
                        updateAfterSlideTransition();
                    });
                }else if(type == 'reset'){
                    el.css(slider.animProp, propValue);
                }else if(type == 'ticker'){
                    // make the transition use 'linear'
                    el.css('-' + slider.cssPrefix + '-transition-timing-function', 'linear');
                    el.css(slider.animProp, propValue);
                    // bind a callback method - executes when CSS transition completes
                    el.bind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd', function(){
                        // unbind the callback
                        el.unbind('transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd');
                        // reset the position
                        setPositionProperty(params['resetValue'], 'reset', 0);
                        // start the loop again
                        tickerLoop();
                    });
                }
            // use JS animate
            }else{
                var animateObj = {};
                animateObj[slider.animProp] = value;
                if(type == 'slide'){
                    el.animate(animateObj, duration, slider.settings.easing, function(){
                        updateAfterSlideTransition();
                    });
                }else if(type == 'reset'){
                    el.css(slider.animProp, value)
                }else if(type == 'ticker'){
                    el.animate(animateObj, speed, 'linear', function(){
                        setPositionProperty(params['resetValue'], 'reset', 0);
                        // run the recursive loop after animation
                        tickerLoop();
                    });
                }
            }
        }

        /**
         * Populates the pager with proper amount of pages
         */
        var populatePager = function(){
            var pagerHtml = '';
            var pagerQty = getPagerQty();
            // loop through each pager item
            for(var i=0; i < pagerQty; i++){
                var linkContent = '';
                // if a buildPager function is supplied, use it to get pager link value, else use index + 1
                if(slider.settings.buildPager && $.isFunction(slider.settings.buildPager)){
                    linkContent = slider.settings.buildPager(i);
                    slider.pagerEl.addClass('bx-custom-pager');
                }else{
                    linkContent = i + 1;
                    slider.pagerEl.addClass('bx-default-pager');
                }
                // var linkContent = slider.settings.buildPager && $.isFunction(slider.settings.buildPager) ? slider.settings.buildPager(i) : i + 1;
                // add the markup to the string
                pagerHtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkContent + '</a></div>';
            };
            // populate the pager element with pager links
            slider.pagerEl.html(pagerHtml);
        }

        /**
         * Appends the pager to the controls element
         */
        var appendPager = function(){
            if(!slider.settings.pagerCustom){
                // create the pager DOM element
                slider.pagerEl = $('<div class="bx-pager" />');
                // if a pager selector was supplied, populate it with the pager
                if(slider.settings.pagerSelector){
                    $(slider.settings.pagerSelector).html(slider.pagerEl);
                // if no pager selector was supplied, add it after the wrapper
                }else{
                    slider.controls.el.addClass('bx-has-pager').append(slider.pagerEl);
                }
                // populate the pager
                populatePager();
            }else{
                slider.pagerEl = $(slider.settings.pagerCustom);
            }
            // assign the pager click binding
            slider.pagerEl.on('click', 'a', clickPagerBind);
        }

        /**
         * Appends prev / next controls to the controls element
         */
        var appendControls = function(){
            slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nextText + '</a>');
            slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevText + '</a>');
            // bind click actions to the controls
            slider.controls.next.bind('click', clickNextBind);
            slider.controls.prev.bind('click', clickPrevBind);
            // if nextSlector was supplied, populate it
            if(slider.settings.nextSelector){
                $(slider.settings.nextSelector).append(slider.controls.next);
            }
            // if prevSlector was supplied, populate it
            if(slider.settings.prevSelector){
                $(slider.settings.prevSelector).append(slider.controls.prev);
            }
            // if no custom selectors were supplied
            if(!slider.settings.nextSelector && !slider.settings.prevSelector){
                // add the controls to the DOM
                slider.controls.directionEl = $('<div class="bx-controls-direction" />');
                // add the control elements to the directionEl
                slider.controls.directionEl.append(slider.controls.prev).append(slider.controls.next);
                // slider.viewport.append(slider.controls.directionEl);
                slider.controls.el.addClass('bx-has-controls-direction').append(slider.controls.directionEl);
            }
        }

        /**
         * Appends start / stop auto controls to the controls element
         */
        var appendControlsAuto = function(){
            slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.startText + '</a></div>');
            slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stopText + '</a></div>');
            // add the controls to the DOM
            slider.controls.autoEl = $('<div class="bx-controls-auto" />');
            // bind click actions to the controls
            slider.controls.autoEl.on('click', '.bx-start', clickStartBind);
            slider.controls.autoEl.on('click', '.bx-stop', clickStopBind);
            // if autoControlsCombine, insert only the "start" control
            if(slider.settings.autoControlsCombine){
                slider.controls.autoEl.append(slider.controls.start);
            // if autoControlsCombine is false, insert both controls
            }else{
                slider.controls.autoEl.append(slider.controls.start).append(slider.controls.stop);
            }
            // if auto controls selector was supplied, populate it with the controls
            if(slider.settings.autoControlsSelector){
                $(slider.settings.autoControlsSelector).html(slider.controls.autoEl);
            // if auto controls selector was not supplied, add it after the wrapper
            }else{
                slider.controls.el.addClass('bx-has-controls-auto').append(slider.controls.autoEl);
            }
            // update the auto controls
            updateAutoControls(slider.settings.autoStart ? 'stop' : 'start');
        }

        /**
         * Appends image captions to the DOM
         */
        var appendCaptions = function(){
            // cycle through each child
            slider.children.each(function(index){
                // get the image title attribute
                var title = $(this).find('img:first').attr('title');
                // append the caption
                if (title != undefined && ('' + title).length) {
                    $(this).append('<div class="bx-caption"><span>' + title + '</span></div>');
                }
            });
        }

        /**
         * Click next binding
         *
         * @param e (event)
         *  - DOM event object
         */
        var clickNextBind = function(e){
            // if auto show is running, stop it
            if (slider.settings.auto) el.stopAuto();
            el.goToNextSlide();
            e.preventDefault();
        }

        /**
         * Click prev binding
         *
         * @param e (event)
         *  - DOM event object
         */
        var clickPrevBind = function(e){
            // if auto show is running, stop it
            if (slider.settings.auto) el.stopAuto();
            el.goToPrevSlide();
            e.preventDefault();
        }

        /**
         * Click start binding
         *
         * @param e (event)
         *  - DOM event object
         */
        var clickStartBind = function(e){
            el.startAuto();
            e.preventDefault();
        }

        /**
         * Click stop binding
         *
         * @param e (event)
         *  - DOM event object
         */
        var clickStopBind = function(e){
            el.stopAuto();
            e.preventDefault();
        }

        /**
         * Click pager binding
         *
         * @param e (event)
         *  - DOM event object
         */
        var clickPagerBind = function(e){
            // if auto show is running, stop it
            if (slider.settings.auto) el.stopAuto();
            var pagerLink = $(e.currentTarget);
            if(pagerLink.attr('data-slide-index') !== undefined){
                var pagerIndex = parseInt(pagerLink.attr('data-slide-index'));
                // if clicked pager link is not active, continue with the goToSlide call
                if(pagerIndex != slider.active.index) el.goToSlide(pagerIndex);
                e.preventDefault();
            }
        }

        /**
         * Updates the pager links with an active class
         *
         * @param slideIndex (int)
         *  - index of slide to make active
         */
        var updatePagerActive = function(slideIndex){
            // if "short" pager type
            var len = slider.children.length; // nb of children
            if(slider.settings.pagerType == 'short'){
                if(slider.settings.maxSlides > 1) {
                    len = Math.ceil(slider.children.length/slider.settings.maxSlides);
                }
                slider.pagerEl.html( (slideIndex + 1) + slider.settings.pagerShortSeparator + len);
                return;
            }
            // remove all pager active classes
            slider.pagerEl.find('a').removeClass('active');
            // apply the active class for all pagers
            slider.pagerEl.each(function(i, el) { $(el).find('a').eq(slideIndex).addClass('active'); });
        }

        /**
         * Performs needed actions after a slide transition
         */
        var updateAfterSlideTransition = function(){
            // if infinte loop is true
            if(slider.settings.infiniteLoop){
                var position = '';
                // first slide
                if(slider.active.index == 0){
                    // set the new position
                    position = slider.children.eq(0).position();
                // carousel, last slide
                }else if(slider.active.index == getPagerQty() - 1 && slider.carousel){
                    position = slider.children.eq((getPagerQty() - 1) * getMoveBy()).position();
                // last slide
                }else if(slider.active.index == slider.children.length - 1){
                    position = slider.children.eq(slider.children.length - 1).position();
                }
                if(position){
                    if (slider.settings.mode == 'horizontal') { setPositionProperty(-position.left, 'reset', 0); }
                    else if (slider.settings.mode == 'vertical') { setPositionProperty(-position.top, 'reset', 0); }
                }
            }
            // declare that the transition is complete
            slider.working = false;
            // onSlideAfter callback
            slider.settings.onSlideAfter(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
        }

        /**
         * Updates the auto controls state (either active, or combined switch)
         *
         * @param state (string) "start", "stop"
         *  - the new state of the auto show
         */
        var updateAutoControls = function(state){
            // if autoControlsCombine is true, replace the current control with the new state
            if(slider.settings.autoControlsCombine){
                slider.controls.autoEl.html(slider.controls[state]);
            // if autoControlsCombine is false, apply the "active" class to the appropriate control
            }else{
                slider.controls.autoEl.find('a').removeClass('active');
                slider.controls.autoEl.find('a:not(.bx-' + state + ')').addClass('active');
            }
        }

        /**
         * Updates the direction controls (checks if either should be hidden)
         */
        var updateDirectionControls = function(){
            if(getPagerQty() == 1){
                slider.controls.prev.addClass('disabled');
                slider.controls.next.addClass('disabled');
            }else if(!slider.settings.infiniteLoop && slider.settings.hideControlOnEnd){
                // if first slide
                if (slider.active.index == 0){
                    slider.controls.prev.addClass('disabled');
                    slider.controls.next.removeClass('disabled');
                // if last slide
                }else if(slider.active.index == getPagerQty() - 1){
                    slider.controls.next.addClass('disabled');
                    slider.controls.prev.removeClass('disabled');
                // if any slide in the middle
                }else{
                    slider.controls.prev.removeClass('disabled');
                    slider.controls.next.removeClass('disabled');
                }
            }
        }

        /**
         * Initialzes the auto process
         */
        var initAuto = function(){
            // if autoDelay was supplied, launch the auto show using a setTimeout() call
            if(slider.settings.autoDelay > 0){
                var timeout = setTimeout(el.startAuto, slider.settings.autoDelay);
            // if autoDelay was not supplied, start the auto show normally
            }else{
                el.startAuto();
            }
            // if autoHover is requested
            if(slider.settings.autoHover){
                // on el hover
                el.hover(function(){
                    // if the auto show is currently playing (has an active interval)
                    if(slider.interval){
                        // stop the auto show and pass true agument which will prevent control update
                        el.stopAuto(true);
                        // create a new autoPaused value which will be used by the relative "mouseout" event
                        slider.autoPaused = true;
                    }
                }, function(){
                    // if the autoPaused value was created be the prior "mouseover" event
                    if(slider.autoPaused){
                        // start the auto show and pass true agument which will prevent control update
                        el.startAuto(true);
                        // reset the autoPaused value
                        slider.autoPaused = null;
                    }
                });
            }
        }

        /**
         * Initialzes the ticker process
         */
        var initTicker = function(){
            var startPosition = 0;
            // if autoDirection is "next", append a clone of the entire slider
            if(slider.settings.autoDirection == 'next'){
                el.append(slider.children.clone().addClass('bx-clone'));
            // if autoDirection is "prev", prepend a clone of the entire slider, and set the left position
            }else{
                el.prepend(slider.children.clone().addClass('bx-clone'));
                var position = slider.children.first().position();
                startPosition = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
            }
            setPositionProperty(startPosition, 'reset', 0);
            // do not allow controls in ticker mode
            slider.settings.pager = false;
            slider.settings.controls = false;
            slider.settings.autoControls = false;
            // if autoHover is requested
            if(slider.settings.tickerHover && !slider.usingCSS){
                // on el hover
                slider.viewport.hover(function(){
                    el.stop();
                }, function(){
                    // calculate the total width of children (used to calculate the speed ratio)
                    var totalDimens = 0;
                    slider.children.each(function(index){
                      totalDimens += slider.settings.mode == 'horizontal' ? $(this).outerWidth(true) : $(this).outerHeight(true);
                    });
                    // calculate the speed ratio (used to determine the new speed to finish the paused animation)
                    var ratio = slider.settings.speed / totalDimens;
                    // determine which property to use
                    var property = slider.settings.mode == 'horizontal' ? 'left' : 'top';
                    // calculate the new speed
                    var newSpeed = ratio * (totalDimens - (Math.abs(parseInt(el.css(property)))));
                    tickerLoop(newSpeed);
                });
            }
            // start the ticker loop
            tickerLoop();
        }

        /**
         * Runs a continuous loop, news ticker-style
         */
        var tickerLoop = function(resumeSpeed){
            speed = resumeSpeed ? resumeSpeed : slider.settings.speed;
            var position = {left: 0, top: 0};
            var reset = {left: 0, top: 0};
            // if "next" animate left position to last child, then reset left to 0
            if(slider.settings.autoDirection == 'next'){
                position = el.find('.bx-clone').first().position();
            // if "prev" animate left position to 0, then reset left to first non-clone child
            }else{
                reset = slider.children.first().position();
            }
            var animateProperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
            var resetValue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top;
            var params = {resetValue: resetValue};
            setPositionProperty(animateProperty, 'ticker', speed, params);
        }

        /**
         * Initializes touch events
         */
        var initTouch = function(){
            // initialize object to contain all touch values
            slider.touch = {
                start: {x: 0, y: 0},
                end: {x: 0, y: 0}
            }
            slider.viewport.bind('touchstart', onTouchStart);
        }

        /**
         * Event handler for "touchstart"
         *
         * @param e (event)
         *  - DOM event object
         */
        var onTouchStart = function(e){
            if(slider.working){
                e.preventDefault();
            }else{
                // record the original position when touch starts
                slider.touch.originalPos = el.position();
                var orig = e.originalEvent;
                // record the starting touch x, y coordinates
                slider.touch.start.x = orig.changedTouches[0].pageX;
                slider.touch.start.y = orig.changedTouches[0].pageY;
                // bind a "touchmove" event to the viewport
                slider.viewport.bind('touchmove', onTouchMove);
                // bind a "touchend" event to the viewport
                slider.viewport.bind('touchend', onTouchEnd);
            }
        }

        /**
         * Event handler for "touchmove"
         *
         * @param e (event)
         *  - DOM event object
         */
        var onTouchMove = function(e){
            var orig = e.originalEvent;
            // if scrolling on y axis, do not prevent default
            var xMovement = Math.abs(orig.changedTouches[0].pageX - slider.touch.start.x);
            var yMovement = Math.abs(orig.changedTouches[0].pageY - slider.touch.start.y);
            // x axis swipe
            if((xMovement * 3) > yMovement && slider.settings.preventDefaultSwipeX){
                e.preventDefault();
            // y axis swipe
            }else if((yMovement * 3) > xMovement && slider.settings.preventDefaultSwipeY){
                e.preventDefault();
            }
            if(slider.settings.mode != 'fade' && slider.settings.oneToOneTouch){
                var value = 0;
                // if horizontal, drag along x axis
                if(slider.settings.mode == 'horizontal'){
                    var change = orig.changedTouches[0].pageX - slider.touch.start.x;
                    value = slider.touch.originalPos.left + change;
                // if vertical, drag along y axis
                }else{
                    var change = orig.changedTouches[0].pageY - slider.touch.start.y;
                    value = slider.touch.originalPos.top + change;
                }
                setPositionProperty(value, 'reset', 0);
            }
        }

        /**
         * Event handler for "touchend"
         *
         * @param e (event)
         *  - DOM event object
         */
        var onTouchEnd = function(e){
            slider.viewport.unbind('touchmove', onTouchMove);
            var orig = e.originalEvent;
            var value = 0;
            // record end x, y positions
            slider.touch.end.x = orig.changedTouches[0].pageX;
            slider.touch.end.y = orig.changedTouches[0].pageY;
            // if fade mode, check if absolute x distance clears the threshold
            if(slider.settings.mode == 'fade'){
                var distance = Math.abs(slider.touch.start.x - slider.touch.end.x);
                if(distance >= slider.settings.swipeThreshold){
                    slider.touch.start.x > slider.touch.end.x ? el.goToNextSlide() : el.goToPrevSlide();
                    el.stopAuto();
                }
            // not fade mode
            }else{
                var distance = 0;
                // calculate distance and el's animate property
                if(slider.settings.mode == 'horizontal'){
                    distance = slider.touch.end.x - slider.touch.start.x;
                    value = slider.touch.originalPos.left;
                }else{
                    distance = slider.touch.end.y - slider.touch.start.y;
                    value = slider.touch.originalPos.top;
                }
                // if not infinite loop and first / last slide, do not attempt a slide transition
                if(!slider.settings.infiniteLoop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){
                    setPositionProperty(value, 'reset', 200);
                }else{
                    // check if distance clears threshold
                    if(Math.abs(distance) >= slider.settings.swipeThreshold){
                        distance < 0 ? el.goToNextSlide() : el.goToPrevSlide();
                        el.stopAuto();
                    }else{
                        // el.animate(property, 200);
                        setPositionProperty(value, 'reset', 200);
                    }
                }
            }
            slider.viewport.unbind('touchend', onTouchEnd);
        }

        /**
         * Window resize event callback
         */
        var resizeWindow = function(e){
            // don't do anything if slider isn't initialized.
            if(!slider.initialized) return;
            // get the new window dimens (again, thank you IE)
            var windowWidthNew = $(window).width();
            var windowHeightNew = $(window).height();
            // make sure that it is a true window resize
            // *we must check this because our dinosaur friend IE fires a window resize event when certain DOM elements
            // are resized. Can you just die already?*
            if(windowWidth != windowWidthNew || windowHeight != windowHeightNew){
                // set the new window dimens
                windowWidth = windowWidthNew;
                windowHeight = windowHeightNew;
                // update all dynamic elements
                el.redrawSlider();
                // Call user resize handler
                slider.settings.onSliderResize.call(el, slider.active.index);
            }
        }

        /**
         * ===================================================================================
         * = PUBLIC FUNCTIONS
         * ===================================================================================
         */

        /**
         * Performs slide transition to the specified slide
         *
         * @param slideIndex (int)
         *  - the destination slide's index (zero-based)
         *
         * @param direction (string)
         *  - INTERNAL USE ONLY - the direction of travel ("prev" / "next")
         */
        el.goToSlide = function(slideIndex, direction){
            // if plugin is currently in motion, ignore request
            if(slider.working || slider.active.index == slideIndex) return;
            // declare that plugin is in motion
            slider.working = true;
            // store the old index
            slider.oldIndex = slider.active.index;
            // if slideIndex is less than zero, set active index to last child (this happens during infinite loop)
            if(slideIndex < 0){
                slider.active.index = getPagerQty() - 1;
            // if slideIndex is greater than children length, set active index to 0 (this happens during infinite loop)
            }else if(slideIndex >= getPagerQty()){
                slider.active.index = 0;
            // set active index to requested slide
            }else{
                slider.active.index = slideIndex;
            }
            // onSlideBefore, onSlideNext, onSlidePrev callbacks
            slider.settings.onSlideBefore(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
            if(direction == 'next'){
                slider.settings.onSlideNext(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
            }else if(direction == 'prev'){
                slider.settings.onSlidePrev(slider.children.eq(slider.active.index), slider.oldIndex, slider.active.index);
            }
            // check if last slide
            slider.active.last = slider.active.index >= getPagerQty() - 1;
            // update the pager with active class
            if(slider.settings.pager) updatePagerActive(slider.active.index);
            // // check for direction control update
            if(slider.settings.controls) updateDirectionControls();
            // if slider is set to mode: "fade"
            if(slider.settings.mode == 'fade'){
                // if adaptiveHeight is true and next height is different from current height, animate to the new height
                if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){
                    slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
                }
                // fade out the visible child and reset its z-index value
                slider.children.filter(':visible').fadeOut(slider.settings.speed).css({zIndex: 0});
                // fade in the newly requested slide
                slider.children.eq(slider.active.index).css('zIndex', slider.settings.slideZIndex+1).fadeIn(slider.settings.speed, function(){
                    $(this).css('zIndex', slider.settings.slideZIndex);
                    updateAfterSlideTransition();
                });
            // slider mode is not "fade"
            }else{
                // if adaptiveHeight is true and next height is different from current height, animate to the new height
                if(slider.settings.adaptiveHeight && slider.viewport.height() != getViewportHeight()){
                    slider.viewport.animate({height: getViewportHeight()}, slider.settings.adaptiveHeightSpeed);
                }
                var moveBy = 0;
                var position = {left: 0, top: 0};
                // if carousel and not infinite loop
                if(!slider.settings.infiniteLoop && slider.carousel && slider.active.last){
                    if(slider.settings.mode == 'horizontal'){
                        // get the last child position
                        var lastChild = slider.children.eq(slider.children.length - 1);
                        position = lastChild.position();
                        // calculate the position of the last slide
                        moveBy = slider.viewport.width() - lastChild.outerWidth();
                    }else{
                        // get last showing index position
                        var lastShowingIndex = slider.children.length - slider.settings.minSlides;
                        position = slider.children.eq(lastShowingIndex).position();
                    }
                    // horizontal carousel, going previous while on first slide (infiniteLoop mode)
                }else if(slider.carousel && slider.active.last && direction == 'prev'){
                    // get the last child position
                    var eq = slider.settings.moveSlides == 1 ? slider.settings.maxSlides - getMoveBy() : ((getPagerQty() - 1) * getMoveBy()) - (slider.children.length - slider.settings.maxSlides);
                    var lastChild = el.children('.bx-clone').eq(eq);
                    position = lastChild.position();
                // if infinite loop and "Next" is clicked on the last slide
                }else if(direction == 'next' && slider.active.index == 0){
                    // get the last clone position
                    position = el.find('> .bx-clone').eq(slider.settings.maxSlides).position();
                    slider.active.last = false;
                // normal non-zero requests
                }else if(slideIndex >= 0){
                    var requestEl = slideIndex * getMoveBy();
                    position = slider.children.eq(requestEl).position();
                }

                /* If the position doesn't exist
                 * (e.g. if you destroy the slider on a next click),
                 * it doesn't throw an error.
                 */
                if ("undefined" !== typeof(position)) {
                    var value = slider.settings.mode == 'horizontal' ? -(position.left - moveBy) : -position.top;
                    // plugin values to be animated
                    setPositionProperty(value, 'slide', slider.settings.speed);
                }
            }
        }

        /**
         * Transitions to the next slide in the show
         */
        el.goToNextSlide = function(){
            // if infiniteLoop is false and last page is showing, disregard call
            if (!slider.settings.infiniteLoop && slider.active.last) return;
            var pagerIndex = parseInt(slider.active.index) + 1;
            el.goToSlide(pagerIndex, 'next');
        }

        /**
         * Transitions to the prev slide in the show
         */
        el.goToPrevSlide = function(){
            // if infiniteLoop is false and last page is showing, disregard call
            if (!slider.settings.infiniteLoop && slider.active.index == 0) return;
            var pagerIndex = parseInt(slider.active.index) - 1;
            el.goToSlide(pagerIndex, 'prev');
        }

        /**
         * Starts the auto show
         *
         * @param preventControlUpdate (boolean)
         *  - if true, auto controls state will not be updated
         */
        el.startAuto = function(preventControlUpdate){
            // if an interval already exists, disregard call
            if(slider.interval) return;
            // create an interval
            slider.interval = setInterval(function(){
                slider.settings.autoDirection == 'next' ? el.goToNextSlide() : el.goToPrevSlide();
            }, slider.settings.pause);
            // if auto controls are displayed and preventControlUpdate is not true
            if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('stop');
        }

        /**
         * Stops the auto show
         *
         * @param preventControlUpdate (boolean)
         *  - if true, auto controls state will not be updated
         */
        el.stopAuto = function(preventControlUpdate){
            // if no interval exists, disregard call
            if(!slider.interval) return;
            // clear the interval
            clearInterval(slider.interval);
            slider.interval = null;
            // if auto controls are displayed and preventControlUpdate is not true
            if (slider.settings.autoControls && preventControlUpdate != true) updateAutoControls('start');
        }

        /**
         * Returns current slide index (zero-based)
         */
        el.getCurrentSlide = function(){
            return slider.active.index;
        }

        /**
         * Returns current slide element
         */
        el.getCurrentSlideElement = function(){
            return slider.children.eq(slider.active.index);
        }

        /**
         * Returns number of slides in show
         */
        el.getSlideCount = function(){
            return slider.children.length;
        }

        /**
         * Update all dynamic slider elements
         */
        el.redrawSlider = function(){
            // resize all children in ratio to new screen size
            slider.children.add(el.find('.bx-clone')).width(getSlideWidth());
            // adjust the height
            slider.viewport.css('height', getViewportHeight());
            // update the slide position
            if(!slider.settings.ticker) setSlidePosition();
            // if active.last was true before the screen resize, we want
            // to keep it last no matter what screen size we end on
            if (slider.active.last) slider.active.index = getPagerQty() - 1;
            // if the active index (page) no longer exists due to the resize, simply set the index as last
            if (slider.active.index >= getPagerQty()) slider.active.last = true;
            // if a pager is being displayed and a custom pager is not being used, update it
            if(slider.settings.pager && !slider.settings.pagerCustom){
                populatePager();
                updatePagerActive(slider.active.index);
            }
        }

        /**
         * Destroy the current instance of the slider (revert everything back to original state)
         */
        el.destroySlider = function(){
            // don't do anything if slider has already been destroyed
            if(!slider.initialized) return;
            slider.initialized = false;
            $('.bx-clone', this).remove();
            slider.children.each(function() {
                $(this).data("origStyle") != undefined ? $(this).attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
            });
            $(this).data("origStyle") != undefined ? this.attr("style", $(this).data("origStyle")) : $(this).removeAttr('style');
            $(this).unwrap().unwrap();
            if(slider.controls.el) slider.controls.el.remove();
            if(slider.controls.next) slider.controls.next.remove();
            if(slider.controls.prev) slider.controls.prev.remove();
            if(slider.pagerEl && slider.settings.controls) slider.pagerEl.remove();
            $('.bx-caption', this).remove();
            if(slider.controls.autoEl) slider.controls.autoEl.remove();
            clearInterval(slider.interval);
            if(slider.settings.responsive) $(window).unbind('resize', resizeWindow);
        }

        /**
         * Reload the slider (revert all DOM changes, and re-initialize)
         */
        el.reloadSlider = function(settings){
            if (settings != undefined) options = settings;
            el.destroySlider();
            init();
        }

        init();

        // returns the current jQuery object
        return this;
    }

})(jQuery);

 

jquery.bxslider.css

css可根据需求修改原文件

/**
 * BxSlider v4.1.2 - Fully loaded, responsive content slider
 * http://bxslider.com
 *
 * Written by: Steven Wanderski, 2014
 * http://stevenwanderski.com
 * (while drinking Belgian ales and listening to jazz)
 *
 * CEO and founder of bxCreative, LTD
 * http://bxcreative.com
 */


/** RESET AND LAYOUT
===================================*/

.bx-wrapper {
    position: relative;
    margin: 0 auto 60px;
    padding: 0;
    *zoom: 1;
}

.bx-wrapper img {
    max-width: 100%;
    display: block;
}

/** THEME
===================================*/

.bx-wrapper .bx-viewport {
    -moz-box-shadow: 0 0 5px #ccc;
    -webkit-box-shadow: 0 0 5px #ccc;
    box-shadow: 0 0 5px #ccc;
    border:  5px solid #fff;
    left: -5px;
    background: #fff;
    
    /*fix other elements on the page moving (on Chrome)*/
    -webkit-transform: translatez(0);
    -moz-transform: translatez(0);
        -ms-transform: translatez(0);
        -o-transform: translatez(0);
        transform: translatez(0);
}

.bx-wrapper .bx-pager,
.bx-wrapper .bx-controls-auto {
    position: absolute;
    bottom: -30px;
    width: 100%;
}

/* LOADER */

.bx-wrapper .bx-loading {
    min-height: 50px;
    background: url(images/bx_loader.gif) center center no-repeat #fff;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2000;
}

/* PAGER */

.bx-wrapper .bx-pager {
    text-align: center;
    font-size: .85em;
    font-family: Arial;
    font-weight: bold;
    color: #666;
    padding-top: 20px;
}

.bx-wrapper .bx-pager .bx-pager-item,
.bx-wrapper .bx-controls-auto .bx-controls-auto-item {
    display: inline-block;
    *zoom: 1;
    *display: inline;
}


.bx-wrapper .bx-pager.bx-default-pager a {
    background: #666;
    text-indent: -9999px;
    display: block;
    width: 10px;
    height: 10px;
    margin: 0 5px;
    outline: 0;
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    border-radius: 5px;
}

.bx-wrapper .bx-pager.bx-default-pager a:hover,
.bx-wrapper .bx-pager.bx-default-pager a.active {
    background: #000;
}



/* DIRECTION CONTROLS (NEXT / PREV) */

.bx-wrapper .bx-prev {
    left: 10px;
    background: url(images/controls.png) no-repeat 0 -32px;
}

.bx-wrapper .bx-next {
    right: 10px;
    background: url(images/controls.png) no-repeat -43px -32px;
}

.bx-wrapper .bx-prev:hover {
    background-position: 0 0;
}

.bx-wrapper .bx-next:hover {
    background-position: -43px 0;
}

.bx-wrapper .bx-controls-direction a {
    position: absolute;
    top: 50%;
    margin-top: -16px;
    outline: 0;
    width: 32px;
    height: 32px;
    text-indent: -9999px;
    z-index: 9999;
}

.bx-wrapper .bx-controls-direction a.disabled {
    display: none;
}

/* AUTO CONTROLS (START / STOP) */

.bx-wrapper .bx-controls-auto {
    text-align: center;
}

.bx-wrapper .bx-controls-auto .bx-start {
    display: block;
    text-indent: -9999px;
    width: 10px;
    height: 11px;
    outline: 0;
    background: url(images/controls.png) -86px -11px no-repeat;
    margin: 0 3px;
}

.bx-wrapper .bx-controls-auto .bx-start:hover,
.bx-wrapper .bx-controls-auto .bx-start.active {
    background-position: -86px 0;
}

.bx-wrapper .bx-controls-auto .bx-stop {
    display: block;
    text-indent: -9999px;
    width: 9px;
    height: 11px;
    outline: 0;
    background: url(images/controls.png) -86px -44px no-repeat;
    margin: 0 3px;
}

.bx-wrapper .bx-controls-auto .bx-stop:hover,
.bx-wrapper .bx-controls-auto .bx-stop.active {
    background-position: -86px -33px;
}

/* PAGER WITH AUTO-CONTROLS HYBRID LAYOUT */

.bx-wrapper .bx-controls.bx-has-controls-auto.bx-has-pager .bx-pager {
    text-align: left;
    width: 80%;
}

.bx-wrapper .bx-controls.bx-has-controls-auto.bx-has-pager .bx-controls-auto {
    right: 0;
    width: 35px;
}

/* IMAGE CAPTIONS */

.bx-wrapper .bx-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    background: #666\9;
    background: rgba(80, 80, 80, 0.75);
    width: 100%;
}

.bx-wrapper .bx-caption span {
    color: #fff;
    font-family: Arial;
    display: block;
    font-size: .85em;
    padding: 10px;
}

 

html

    <ul class="bxslider">
                <li><img src="Images/banner1.jpg" /></li>
                <li><img src="Images/banner2.jpg" /></li>
            </ul>

 

js

 //横幅轮换
            $('.bxslider').bxSlider({
                auto: true,
                controls:false
            });

 

插件参数

参数	描述	默认值
mode	设置滑动模式，'horizontal':水平, 'vertical':垂直, 'fade':淡入淡出	horizontal
speed	内容切换速度，数字，ms	500
startSlide	初始滑动位置，数字	0
randomStart	随机初始滑动位置	true
infiniteLoop	循环滑动，如果设置为true时，则到最后滑动位置时会切换到初始位置	true
easing	切换动画扩展，可以借助jQuery Easing 动画效果扩展设置不同的切换动画效果	null
captions	设置显示图片标题，当滑动内容为图片时并设置属性title，可以显示图片标题	false
video	支持视频，当设置为true时，需要jquery.fitvids.js支持	false
pager	设置是否显示分页，设置为true时，会在滑动内容下方显示分页图标	true
controls	设置是否显示上一副和下一幅按钮	true
auto	设置是否自动滑动	false
pause	自动滑动时停留时间，数字，ms	4000
autoHover	当鼠标滑向滑动内容上时，是否暂停滑动	false