<!DOCTYPE HTML><html> <head> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <meta name="viewport" content="width=device-width, target-densitydpi=high-dpi, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /> <meta name="apple-mobile-web-app-capable" content="yes" /> <meta name="apple-mobile-web-app-status-bar-style" content="black" /> <meta content="telephone=no" name="format-detection" /> <meta name="keywords" content="seokeywords" /> <meta name="description" content="seodescription" /> <title> H5手指滑动切换图片 </title> <style> ul,li{margin:0;padding:0;} @media screen and (min-width:240px) { html, body{ font-size:9px; } } @media screen and (min-width:320px) { html, body{ font-size:12px; } } @media screen and (min-width:480px) { html, body{ font-size:18px; } } @media screen and (min-width:640px) { html, body{ font-size:24px; } } @media screen and (min-width:960px) { html, body{ font-size:36px; } } div.imgbox{width:25rem;height:16.5rem;overflow:hidden;margin:0 auto;} div.imgbox ul{clear:both;width:75rem;display: inline-block;} div.imgbox ul li{float:left;width:25rem;height:16.5rem;overflow:hidden;text-align:center;} div.imgbox ul li img{width:24rem;height:16.5rem;} #page{color:red;} </style> </head> <body> <div class="imgbox"> <ul> <li> <a href="#"> <img src="http://y2.ifengimg.com/df84c07b46e03f8e/2014/0512/rdn_53708f3d8533e.jpg"> </img> </a> </li> <li> <a href="#"> <img src="http://y2.ifengimg.com/df84c07b46e03f8e/2014/0512/rdn_53708f23aad06.jpg"> </img> </a> </li> <li> <a href="#"> <img src="http://y2.ifengimg.com/df84c07b46e03f8e/2014/0512/rdn_53708f345282b.jpg"> </img> </a> </li> </ul> </div> <div> 这里通过回调显示当前滚动到多少页: <span id="page"> 0 </span> </div> <script src="jquery-1.10.2yuan.js"> </script> <script src="slider-H5.js"> </script> <script> (function() { /* 注意：$.mggScrollImg返回的scrollImg对象上有 next，prev，go三个方法，可以实现外部对滚动索引的控制。 如：scrollImg.next();//会切换到下一张图片 scrollImg.go(0);//会切换到第一张图片*/ var scrollImg = $.mggScrollImg('.imgbox ul', { loop: true, //循环切换 auto: true, //自动切换 auto_wait_time: 3000, //轮播间隔 scroll_time: 300, //滚动时长 callback: function(ind) { //这里传过来的是索引值 $('#page').text(ind + 1); } }); })() </script> </body></html> (function($) { /* 图片滚动效果 @jQuery or @String box : 滚动列表jQuery对象或者选择器 如：滚动元素为li的外层ul @object config : { @Number width : 一次滚动宽度，默认为box里面第一个一级子元素宽度[如果子元素宽度不均匀则滚动效果会错乱] @Number size : 列表长度，默认为box里面所有一级子元素个数[如果size不等于一级子元素个数，则不支持循环滚动] @Boolean loop : 是否支持循环滚动 默认 true @Boolean auto : 是否自动滚动,支持自动滚动时必须支持循环滚动，否则设置无效,默认为true @Number auto_wait_time : 自动轮播一次时间间隔,默认为：3000ms @Function callback : 滚动完回调函数，参入一个参数当前滚动节点索引值 } */ function mggScrollImg(box, config) { this.box = $(box); this.config = $.extend({}, config || {}); this.width = this.config.width || this.box.children().eq(0).width(); //一次滚动的宽度 this.size = this.config.size || this.box.children().length; this.loop = this.config.loop !== undefined ? (this.config.loop == true ? true: false) : true; //默认能循环滚动 this.auto = this.config.auto !== undefined ? (this.config.auto == true ? true: false) : true; //默认自动滚动 this.auto_wait_time = this.config.auto_wait_time || 3000; //轮播间隔 this.scroll_time = this.config.scroll_time !== undefined ? (this.config.scroll_time > 0 ? this.config.scroll_time: 0) : 300; //滚动时长 this.minleft = -this.width * (this.size - 1); //最小left值，注意是负数[不循环情况下的值] this.maxleft = 0; //最大lfet值[不循环情况下的值] this.now_left = 0; //初始位置信息[不循环情况下的值] this.point_x = null; //记录一个x坐标 this.point_y = null; //记录一个y坐标 this.move_left = false; //记录向哪边滑动 this.index = 0; this.busy = false; this.timer; this.init(); } $.extend(mggScrollImg.prototype, { init: function() { this.bind_event(); this.init_loop(); this.auto_scroll(); }, bind_event: function() { var self = this; self.box.bind('touchstart', function(e) { var t = e.touches ? e.touches: e.originalEvent.targetTouches; if (t.length == 1 && !self.busy) { self.point_x = t[0].screenX; self.point_y = t[0].screenY; } }).bind('touchmove', function(e) { var t = e.touches ? e.touches: e.originalEvent.targetTouches; if (t.length == 1 && !self.busy) { return self.move(t[0].screenX, t[0].screenY); //这里根据返回值觉得是否阻止默认touch事件 } }).bind('touchend', function(e) { ! self.busy && self.move_end(); }); }, /* 初始化循环滚动,当一次性需要滚动多个子元素时，暂不支持循环滚动效果, 如果想实现一次性滚动多个子元素效果，可以通过页面结构实现 循环滚动思路：复制首尾节点到尾首 */ init_loop: function() { if (this.box.children().length > 1 && this.box.children().length == this.size && this.loop) { //暂时只支持size和子节点数相等情况的循环 this.now_left = -this.width; //设置初始位置信息 this.minleft = -this.width * this.size; //最小left值 this.maxleft = -this.width; this.box.prepend(this.box.children().eq(this.size - 1).clone()).append(this.box.children().eq(1).clone()).css(this.get_style(2)); this.box.css('width', this.width * (this.size + 2)); } else { this.loop = false; this.box.css('width', this.width * this.size); } }, auto_scroll: function() { //自动滚动 var self = this; if (!self.auto) return; clearTimeout(self.timer); self.timer = setTimeout(function() { self.go_index(self.index + 1); }, self.auto_wait_time); }, go_index: function(ind) { //滚动到指定索引页面 var self = this; if (self.busy) return; clearTimeout(self.timer); self.busy = true; if (self.loop) { //如果循环 ind = ind < 0 ? -1 : ind; ind = ind > self.size ? self.size: ind; } else { ind = ind < 0 ? 0 : ind; ind = ind >= self.size ? (self.size - 1) : ind; } if (!self.loop && (self.now_left == -(self.width * ind))) { self.complete(ind); } else if (self.loop && (self.now_left == -self.width * (ind + 1))) { self.complete(ind); } else { if (ind == -1 || ind == self.size) { //循环滚动边界 self.index = ind == -1 ? (self.size - 1) : 0; self.now_left = ind == -1 ? 0 : -self.width * (self.size + 1); } else { self.index = ind; self.now_left = -(self.width * (self.index + (self.loop ? 1 : 0))); } self.box.css(this.get_style(1)); setTimeout(function() { self.complete(ind); }, self.scroll_time); } }, complete: function(ind) { //动画完成回调 var self = this; self.busy = false; self.config.callback && self.config.callback(self.index); if (ind == -1) { self.now_left = self.minleft; } else if (ind == self.size) { self.now_left = self.maxleft; } self.box.css(this.get_style(2)); self.auto_scroll(); }, next: function() { //下一页滚动 if (!this.busy) { this.go_index(this.index + 1); } }, prev: function() { //上一页滚动 if (!this.busy) { this.go_index(this.index - 1); } }, move: function(point_x, point_y) { //滑动屏幕处理函数 var changeX = point_x - (this.point_x === null ? point_x: this.point_x), changeY = point_y - (this.point_y === null ? point_y: this.point_y), marginleft = this.now_left, return_value = false, sin = changeY / Math.sqrt(changeX * changeX + changeY * changeY); this.now_left = marginleft + changeX; this.move_left = changeX < 0; if (sin > Math.sin(Math.PI / 3) || sin < -Math.sin(Math.PI / 3)) { //滑动屏幕角度范围：PI/3 -- 2PI/3 return_value = true; //不阻止默认行为 } this.point_x = point_x; this.point_y = point_y; this.box.css(this.get_style(2)); return return_value; }, move_end: function() { var changeX = this.now_left % this.width, ind; if (this.now_left < this.minleft) { //手指向左滑动 ind = this.index + 1; } else if (this.now_left > this.maxleft) { //手指向右滑动 ind = this.index - 1; } else if (changeX != 0) { if (this.move_left) { //手指向左滑动 ind = this.index + 1; } else { //手指向右滑动 ind = this.index - 1; } } else { ind = this.index; } this.point_x = this.point_y = null; this.go_index(ind); }, /* 获取动画样式，要兼容更多浏览器，可以扩展该方法 @int fig : 1 动画 2 没动画 */ get_style: function(fig) { var x = this.now_left, time = fig == 1 ? this.scroll_time: 0; return { '-webkit-transition': '-webkit-transform ' + time + 'ms', '-webkit-transform': 'translate3d(' + x + 'px,0,0)', '-webkit-backface-visibility': 'hidden', 'transition': 'transform ' + time + 'ms', 'transform': 'translate3d(' + x + 'px,0,0)' }; } }); /* 这里对外提供调用接口，对外提供接口方法 next ：下一页 prev ：上一页 go ：滚动到指定页 */ $.mggScrollImg = function(box, config) { var scrollImg = new mggScrollImg(box, config); return { //对外提供接口 next: function() { scrollImg.next(); }, prev: function() { scrollImg.prev(); }, go: function(ind) { scrollImg.go_index(parseInt(ind) || 0); } } }})(jQuery) 
