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  • js图片滚动


    //-------图片轮播1
    <header id='slider' class='swipe'>
    <div class='swipe-wrap'>
    <div><a href="" id="activity0"><img src="images/index_banner0.jpg" alt="" width="100%" /></a></div>
    <div><a href="" id="activity1"><img src="images/index_banner1.jpg" alt="" width="100%" /></a></div>
    <!-- <div><img src="images/index_banner2.jpg" alt="" width="100%" ></div> -->
    </div>
    <ul id="thumbnail">
    <li class="current"></li>
    <li></li>
    </ul>
    </header>
    window.mySwipe = new Swipe(document.getElementById('slider'), {
    speed: 400,
    auto: 3000,
    continuous: true,
    disableScroll: false,
    stopPropagation: false,
    circle:true,
    callback: function(index, elem) {
    $('#thumbnail').find('li').removeClass('current');
    $('#thumbnail').find('li').eq(index).addClass('current');
    },

    });
    //---swipe.js
    /*
    * Swipe 2.0
    *
    * Brad Birdsall
    * Copyright 2013, MIT License
    *
    */

    function Swipe(container, options) {

    "use strict";

    // utilities
    var noop = function() {}; // simple no operation function
    var offloadFn = function(fn) { setTimeout(fn || noop, 0) }; // offload a functions execution

    // check browser capabilities
    var browser = {
    addEventListener: !!window.addEventListener,
    touch: ('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch,
    transitions: (function(temp) {
    var props = ['transitionProperty', 'WebkitTransition', 'MozTransition', 'OTransition', 'msTransition'];
    for ( var i in props ) if (temp.style[ props[i] ] !== undefined) return true;
    return false;
    })(document.createElement('swipe'))
    };

    // quit if no root element
    if (!container) return;
    var element = container.children[0];
    var slides, slidePos, width, length;
    options = options || {};
    var index = parseInt(options.startSlide, 10) || 0;
    var speed = options.speed || 300;
    options.continuous = options.continuous !== undefined ? options.continuous : true;

    function setup() {

    // cache slides
    slides = element.children;
    length = slides.length;

    // set continuous to false if only one slide
    if (slides.length < 2) options.continuous = false;

    //special case if two slides
    if (browser.transitions && options.continuous && slides.length < 3) {
    element.appendChild(slides[0].cloneNode(true));
    element.appendChild(element.children[1].cloneNode(true));
    slides = element.children;
    }

    // create an array to store current positions of each slide
    slidePos = new Array(slides.length);

    // determine width of each slide
    width = container.offsetWidth ||container.getBoundingClientRect().width ;

    element.style.width = (slides.length * width) + 'px';

    // stack elements
    var pos = slides.length;
    while(pos--) {

    var slide = slides[pos];

    slide.style.width = width + 'px';
    slide.setAttribute('data-index', pos);

    if (browser.transitions) {
    slide.style.left = (pos * -width) + 'px';
    move(pos, index > pos ? -width : (index < pos ? width : 0), 0);
    }

    }

    // reposition elements before and after index
    if(options.continuous && browser.transitions) {
    move(circle(index-1), -width, 0);
    move(circle(index+1), width, 0);
    }

    if (!browser.transitions) element.style.left = (index * -width) + 'px';

    container.style.visibility = 'visible';

    }

    function prev() {

    if (options.continuous) slide(index-1);
    else if (index) slide(index-1);

    }

    function next() {

    if (options.continuous) slide(index+1);
    else if (index < slides.length - 1) slide(index+1);

    }

    function circle(index) {

    // a simple positive modulo using slides.length
    return (slides.length + (index % slides.length)) % slides.length;

    }

    function slide(to, slideSpeed) {

    // do nothing if already on requested slide
    if (index == to) return;

    if (browser.transitions) {

    var direction = Math.abs(index-to) / (index-to); // 1: backward, -1: forward

    // get the actual position of the slide
    if (options.continuous) {
    var natural_direction = direction;
    direction = -slidePos[circle(to)] / width;

    // if going forward but to < index, use to = slides.length + to
    // if going backward but to > index, use to = -slides.length + to
    if (direction !== natural_direction) to = -direction * slides.length + to;

    }

    var diff = Math.abs(index-to) - 1;

    // move all the slides between index and to in the right direction
    while (diff--) move( circle((to > index ? to : index) - diff - 1), width * direction, 0);

    to = circle(to);

    move(index, width * direction, slideSpeed || speed);
    move(to, 0, slideSpeed || speed);

    if (options.continuous) move(circle(to - direction), -(width * direction), 0); // we need to get the next in place

    } else {

    to = circle(to);
    animate(index * -width, to * -width, slideSpeed || speed);
    //no fallback for a circular continuous if the browser does not accept transitions
    }

    index = to;
    offloadFn(options.callback && options.callback(index, slides[index]));
    }

    function move(index, dist, speed) {

    translate(index, dist, speed);
    slidePos[index] = dist;

    }

    function translate(index, dist, speed) {

    var slide = slides[index];
    var style = slide && slide.style;

    if (!style) return;

    style.webkitTransitionDuration =
    style.MozTransitionDuration =
    style.msTransitionDuration =
    style.OTransitionDuration =
    style.transitionDuration = speed + 'ms';

    style.webkitTransform = 'translate(' + dist + 'px,0)' + 'translateZ(0)';
    style.msTransform =
    style.MozTransform =
    style.OTransform = 'translateX(' + dist + 'px)';

    }

    function animate(from, to, speed) {

    // if not an animation, just reposition
    if (!speed) {

    element.style.left = to + 'px';
    return;

    }

    var start = +new Date;

    var timer = setInterval(function() {

    var timeElap = +new Date - start;

    if (timeElap > speed) {

    element.style.left = to + 'px';

    if (delay) begin();

    options.transitionEnd && options.transitionEnd.call(event, index, slides[index]);

    clearInterval(timer);
    return;

    }

    element.style.left = (( (to - from) * (Math.floor((timeElap / speed) * 100) / 100) ) + from) + 'px';

    }, 4);

    }

    // setup auto slideshow
    var delay = options.auto || 0;
    var interval;

    function begin() {

    interval = setTimeout(next, delay);

    }

    function stop() {

    delay = 0;
    clearTimeout(interval);

    }


    // setup initial vars
    var start = {};
    var delta = {};
    var isScrolling;

    // setup event capturing
    var events = {

    handleEvent: function(event) {

    switch (event.type) {
    case 'touchstart': this.start(event); break;
    case 'touchmove': this.move(event); break;
    case 'touchend': offloadFn(this.end(event)); break;
    case 'webkitTransitionEnd':
    case 'msTransitionEnd':
    case 'oTransitionEnd':
    case 'otransitionend':
    case 'transitionend': offloadFn(this.transitionEnd(event)); break;
    case 'resize': offloadFn(setup); break;
    }

    if (options.stopPropagation) event.stopPropagation();

    },
    start: function(event) {

    var touches = event.touches[0];

    // measure start values
    start = {

    // get initial touch coords
    x: touches.pageX,
    y: touches.pageY,

    // store time to determine touch duration
    time: +new Date

    };

    // used for testing first move event
    isScrolling = undefined;

    // reset delta and end measurements
    delta = {};

    // attach touchmove and touchend listeners
    element.addEventListener('touchmove', this, false);
    element.addEventListener('touchend', this, false);

    },
    move: function(event) {

    // ensure swiping with one touch and not pinching
    if ( event.touches.length > 1 || event.scale && event.scale !== 1) return

    if (options.disableScroll) event.preventDefault();

    var touches = event.touches[0];

    // measure change in x and y
    delta = {
    x: touches.pageX - start.x,
    y: touches.pageY - start.y
    }

    // determine if scrolling test has run - one time test
    if ( typeof isScrolling == 'undefined') {
    isScrolling = !!( isScrolling || Math.abs(delta.x) < Math.abs(delta.y) );
    }

    // if user is not trying to scroll vertically
    if (!isScrolling) {

    // prevent native scrolling
    event.preventDefault();

    // stop slideshow
    stop();

    // increase resistance if first or last slide
    if (options.continuous) { // we don't add resistance at the end

    translate(circle(index-1), delta.x + slidePos[circle(index-1)], 0);
    translate(index, delta.x + slidePos[index], 0);
    translate(circle(index+1), delta.x + slidePos[circle(index+1)], 0);

    } else {

    delta.x =
    delta.x /
    ( (!index && delta.x > 0 // if first slide and sliding left
    || index == slides.length - 1 // or if last slide and sliding right
    && delta.x < 0 // and if sliding at all
    ) ?
    ( Math.abs(delta.x) / width + 1 ) // determine resistance level
    : 1 ); // no resistance if false

    // translate 1:1
    translate(index-1, delta.x + slidePos[index-1], 0);
    translate(index, delta.x + slidePos[index], 0);
    translate(index+1, delta.x + slidePos[index+1], 0);
    }

    }

    },
    end: function(event) {

    // measure duration
    var duration = +new Date - start.time;

    // determine if slide attempt triggers next/prev slide
    var isValidSlide =
    Number(duration) < 250 // if slide duration is less than 250ms
    && Math.abs(delta.x) > 20 // and if slide amt is greater than 20px
    || Math.abs(delta.x) > width/2; // or if slide amt is greater than half the width

    // determine if slide attempt is past start and end
    var isPastBounds =
    !index && delta.x > 0 // if first slide and slide amt is greater than 0
    || index == slides.length - 1 && delta.x < 0; // or if last slide and slide amt is less than 0

    if (options.continuous) isPastBounds = false;

    // determine direction of swipe (true:right, false:left)
    var direction = delta.x < 0;

    // if not scrolling vertically
    if (!isScrolling) {

    if (isValidSlide && !isPastBounds) {

    if (direction) {

    if (options.continuous) { // we need to get the next in this direction in place

    move(circle(index-1), -width, 0);
    move(circle(index+2), width, 0);

    } else {
    move(index-1, -width, 0);
    }

    move(index, slidePos[index]-width, speed);
    move(circle(index+1), slidePos[circle(index+1)]-width, speed);
    index = circle(index+1);

    } else {
    if (options.continuous) { // we need to get the next in this direction in place

    move(circle(index+1), width, 0);
    move(circle(index-2), -width, 0);

    } else {
    move(index+1, width, 0);
    }

    move(index, slidePos[index]+width, speed);
    move(circle(index-1), slidePos[circle(index-1)]+width, speed);
    index = circle(index-1);

    }

    options.callback && options.callback(index, slides[index]);

    } else {

    if (options.continuous) {

    move(circle(index-1), -width, speed);
    move(index, 0, speed);
    move(circle(index+1), width, speed);

    } else {

    move(index-1, -width, speed);
    move(index, 0, speed);
    move(index+1, width, speed);
    }

    }

    }

    // kill touchmove and touchend event listeners until touchstart called again
    element.removeEventListener('touchmove', events, false)
    element.removeEventListener('touchend', events, false)

    },
    transitionEnd: function(event) {

    if (parseInt(event.target.getAttribute('data-index'), 10) == index) {

    if (delay) begin();

    options.transitionEnd && options.transitionEnd.call(event, index, slides[index]);

    }

    }

    }

    // trigger setup
    setup();

    // start auto slideshow if applicable
    if (delay) begin();


    // add event listeners
    if (browser.addEventListener) {

    // set touchstart event on element
    if (browser.touch) element.addEventListener('touchstart', events, false);

    if (browser.transitions) {
    element.addEventListener('webkitTransitionEnd', events, false);
    element.addEventListener('msTransitionEnd', events, false);
    element.addEventListener('oTransitionEnd', events, false);
    element.addEventListener('otransitionend', events, false);
    element.addEventListener('transitionend', events, false);
    }

    // set resize event on window
    window.addEventListener('resize', events, false);

    } else {

    window.onresize = function () { setup() }; // to play nice with old IE

    }

    // expose the Swipe API
    return {
    setup: function() {

    setup();

    },
    slide: function(to, speed) {

    // cancel slideshow
    stop();

    slide(to, speed);

    },
    prev: function() {

    // cancel slideshow
    stop();

    prev();

    },
    next: function() {

    // cancel slideshow
    stop();

    next();

    },
    stop: function() {

    // cancel slideshow
    stop();

    },
    getPos: function() {

    // return current index position
    return index;

    },
    getNumSlides: function() {

    // return total number of slides
    return length;
    },
    kill: function() {

    // cancel slideshow
    stop();

    // reset element
    element.style.width = '';
    element.style.left = '';

    // reset slides
    var pos = slides.length;
    while(pos--) {

    var slide = slides[pos];
    slide.style.width = '';
    slide.style.left = '';

    if (browser.transitions) translate(pos, 0, 0);

    }

    // removed event listeners
    if (browser.addEventListener) {

    // remove current event listeners
    element.removeEventListener('touchstart', events, false);
    element.removeEventListener('webkitTransitionEnd', events, false);
    element.removeEventListener('msTransitionEnd', events, false);
    element.removeEventListener('oTransitionEnd', events, false);
    element.removeEventListener('otransitionend', events, false);
    element.removeEventListener('transitionend', events, false);
    window.removeEventListener('resize', events, false);

    }
    else {

    window.onresize = null;

    }

    }
    }

    }


    if ( window.jQuery || window.Zepto ) {
    (function($) {
    $.fn.Swipe = function(params) {
    return this.each(function() {
    $(this).data('Swipe', new Swipe($(this)[0], params));
    });
    }
    })( window.jQuery || window.Zepto )
    }
    //----------图片轮播2
    <div class="change_box_img box_img1">
    <!--<a href="javascript:" class="box_img1" target="_blank"></a>-->
    </div>
    <div class="change_box_img">
    <a href="http://www.10100000.com/loan/Client/Clientdownload.html" class="box_img2" target="_blank"></a>
    <div class="banner_wx_warp">
    <div class="banner_wx">
    <p><img src="common/images/download_icon.png"></p>
    <i class="wx_con wx_iphone"></i>
    <i class="wx_con wx_android"></i>
    <a href="javascript:$('#msg_wx_iphone').alertBox();" class="wx_btn btn_iphone" style="text-decoration:none;">iphone下载</a>
    <a href="http://resources.pingancdn.com/app_upload/file/about/pinganyidai_wxzx.apk" class="wx_btn btn_android" style="text-
    decoration:none;">Android下载</a>
    </div>
    </div>
    </div>

    <div class="change_box_btn">
    <span></span>
    <span></span>
    </div>
    //js
    //轮播图20150619
    $('#main_banner div.change_box_img').soChange({
    thumbObj:'#main_banner .change_box_btn span',
    thumbNowClass:'on'
    });
    //引用的js》》》》》》
    /*
    * soChange 1.4 - simple gallery with jQuery
    * made by bujichong 2009-12-14
    * 作者:不羁虫 2009-12-14
    * Download by http://sc.xueit.com
    * http://hi.baidu.com/bujichong/
    *
    * 淡入淡出 图片切换
    */

    (function ($) {
    $.fn.soChange = function (o) {
    return new $sG(this, o);
    };

    var settings = {
    thumbObj:null, //导航对象
    botPrev:null, //按钮上一个
    botNext:null, //按钮下一个
    thumbNowClass:'now', //导航对象当前的class,默认为now
    thumbOverEvent:false, //鼠标经过thumbObj时是否切换对象,默认为true,为false时,只有鼠标点击thumbObj才切换对象
    slideTime:1000, //平滑过渡时间,默认为1000ms
    autoChange:true, //是否自动切换,默认为true
    clickFalse:true, //导航对象如果有链接,点击是否链接无效,即是否返回return false,默认是return false链接无效
    ,当thumbOverEvent为false时,此项必须为true,否则鼠标点击事件冲突
    overStop:true, //鼠标经过切换对象时,切换对象是否停止切换,并于鼠标离开后重启自动切换,前提是已开启自动切

    changeTime:5000, //自动切换时间
    delayTime:300 //鼠标经过时对象切换迟滞时间,推荐值为300ms
    };

    $.soChangeLong = function(e, o) {
    this.options = $.extend({}, settings, o || {});
    var _self = $(e);
    var set = this.options;
    var thumbObj;
    var size = _self.size();
    var nowIndex = 0; //定义全局指针
    var index;//定义全局指针
    var startRun;//预定义自动运行参数
    var delayRun;//预定义延迟运行参数

    //初始化
    _self.hide();
    _self.eq(0).show();

    //显示翻页按钮
    _self.parent().hover(function(){$(set.botPrev+","+set.botNext).stop(true,true).fadeIn(100);},function(){$(set.botPrev+","+set.botNext).stop
    (true,true).fadeOut(100);});


    //主切换函数
    function fadeAB () {
    if (nowIndex != index) {
    if (set.thumbObj!=null) {
    $(set.thumbObj).removeClass(set.thumbNowClass).eq(index).addClass(set.thumbNowClass);
    }
    if (set.slideTime <= 0) {
    _self.eq(nowIndex).hide();
    _self.eq(index).show();
    }else{
    _self.eq(nowIndex).fadeOut(set.slideTime);
    _self.eq(index).fadeIn(set.slideTime);
    }
    nowIndex = index;
    if (set.autoChange==true) {
    clearInterval(startRun);//重置自动切换函数
    startRun = setInterval(runNext,set.changeTime);
    }
    }
    }


    //切换到下一个
    function runNext() {
    index = (nowIndex+1)%size;
    fadeAB();
    }

    //点击任一图片
    if (set.thumbObj!=null) {
    thumbObj = $(set.thumbObj);
    //初始化
    thumbObj.removeClass(set.thumbNowClass).eq(0).addClass(set.thumbNowClass);

    thumbObj.click(function () {
    index = thumbObj.index($(this));
    fadeAB();
    if (set.clickFalse == true) {
    return false;
    }
    });
    if (set.thumbOverEvent == true) {
    thumbObj.mouseenter(function () {
    index = thumbObj.index($(this));
    delayRun = setTimeout(fadeAB,set.delayTime);
    });
    thumbObj.mouseleave(function () {
    clearTimeout(delayRun);
    });
    }
    }

    //点击上一个
    if (set.botNext!=null) {
    $(set.botNext).click(function () {
    if(_self.queue().length<1){
    runNext();}
    return false;
    });
    }

    //点击下一个
    if (set.botPrev!=null) {
    $(set.botPrev).click(function () {
    if(_self.queue().length<1){
    index = (nowIndex+size-1)%size;
    fadeAB();}
    return false;
    });
    }

    //自动运行
    if (set.autoChange==true) {
    startRun = setInterval(runNext,set.changeTime);
    if (set.overStop == true) {
    _self.mouseenter(function () {
    clearInterval(startRun);//重置自动切换函数

    });
    _self.mouseleave(function () {
    startRun = setInterval(runNext,set.changeTime);
    });
    }
    }
    }

    var $sG = $.soChangeLong;

    })(jQuery);

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  • 原文地址:https://www.cnblogs.com/kekang/p/4785733.html
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