JavaScript

超轻量级php框架startmvc

iSlider手机端图片滑动切换插件使用详解

更新时间:2020-09-27 22:00:01 作者:startmvc
自适应轮播图,支持手机触屏滑动,三种切换效果。效果图:js:variSlider=function(opts){if(!opts

自适应轮播图,支持手机触屏滑动,三种切换效果。

效果图:

js:


var iSlider = function(opts) {
 if (!opts.dom) {
 throw new Error("dom element can not be empty!");
 }
 if (!opts.data || !opts.data.length) {
 throw new Error("data must be an array and must have more than one element!");
 }
 this._opts = opts;
 this._setting();
 this._renderHTML();
 this._bindHandler();
};
iSlider.prototype._setting = function() {
 var opts = this._opts;
 this.wrap = opts.dom;
 this.data = opts.data;
 this.type = opts.type || 'pic';
 this.isVertical = opts.isVertical || false;
 this.onslide = opts.onslide;
 this.onslidestart = opts.onslidestart;
 this.onslideend = opts.onslideend;
 this.onslidechange = opts.onslidechange;
 this.duration = opts.duration || 4000;
 this.log = opts.isDebug ?
 function(str) {
 console.log(str)
 }: function() {};
 this.axis = this.isVertical ? 'Y': 'X';
 this.width = this.wrap.clientWidth;
 this.height = this.wrap.clientHeight;
 this.ratio = this.height / this.width;
 this.scale = opts.isVertical ? this.height: this.width;
 this.sliderIndex = this.sliderIndex || 0;
 if (this.data.length < 2) {
 this.isLooping = false;
 this.isAutoPlay = false;
 } else {
 this.isLooping = opts.isLooping || false;
 this.isAutoplay = opts.isAutoplay || false;
 }
 if (this.isAutoplay) {
 this.play();
 }
 this._setUpDamping();
 this._animateFunc = (opts.animateType in this._animateFuncs) ? this._animateFuncs[opts.animateType] : this._animateFuncs['default'];
 this._setPlayWhenFocus();
};
iSlider.prototype._setPlayWhenFocus = function() {
 var self = this;
 window.addEventListener('focus',
 function() {
 self.isAutoplay && self.play();
 },
 false);
 window.addEventListener('blur',
 function() {
 self.pause();
 },
 false);
}
iSlider.prototype._animateFuncs = {
 'default': function(dom, axis, scale, i, offset) {
 dom.style.webkitTransform = 'translateZ(0) translate' + axis + '(' + (offset + scale * (i - 1)) + 'px)';
 },
 'rotate': function(dom, axis, scale, i, offset) {
 var rotateDirect = (axis == "X") ? "Y": "X";
 var absoluteOffset = Math.abs(offset);
 var bdColor = window.getComputedStyle(this.wrap.parentNode, null).backgroundColor;
 if (this.isVertical) {
 offset = -offset;
 }
 this.wrap.style.webkitPerspective = scale * 4;
 if (i == 1) {
 dom.style.zIndex = scale - absoluteOffset;
 } else {
 dom.style.zIndex = (offset > 0) ? (1 - i) * absoluteOffset: (i - 1) * absoluteOffset;
 }
 dom.style.backgroundColor = bdColor || '#333';
 dom.style.position = 'absolute';
 dom.style.webkitBackfaceVisibility = 'hidden';
 dom.style.webkitTransformStyle = 'preserve-3d';
 dom.style.webkitTransform = 'rotate' + rotateDirect + '(' + 90 * (offset / scale + i - 1) + 'deg) translateZ(' + (0.888 * scale / 2) + 'px) scale(0.888)';
 },
 'flip': function(dom, axis, scale, i, offset) {
 var rotateDirect = (axis == "X") ? "Y": "X";
 var bdColor = window.getComputedStyle(this.wrap.parentNode, null).backgroundColor;
 if (this.isVertical) {
 offset = -offset;
 }
 this.wrap.style.webkitPerspective = scale * 4;
 if (offset > 0) {
 dom.style.visibility = (i > 1) ? 'hidden': 'visible';
 } else {
 dom.style.visibility = (i < 1) ? 'hidden': 'visible';
 }
 dom.style.backgroundColor = bdColor || '#333';
 dom.style.position = 'absolute';
 dom.style.webkitBackfaceVisibility = 'hidden';
 dom.style.webkitTransform = 'translateZ(' + (scale / 2) + 'px) rotate' + rotateDirect + '(' + 180 * (offset / scale + i - 1) + 'deg) scale(0.875)';
 },
 'depth': function(dom, axis, scale, i, offset) {
 var rotateDirect = (axis == "X") ? "Y": "X";
 var zoomScale = (4 - Math.abs(i - 1)) * 0.15;
 this.wrap.style.webkitPerspective = scale * 4;
 if (i == 1) {
 dom.style.zIndex = 100;
 } else {
 dom.style.zIndex = (offset > 0) ? (1 - i) : (i - 1);
 }
 dom.style.webkitTransform = 'scale(' + zoomScale + ', ' + zoomScale + ') translateZ(0) translate' + axis + '(' + (offset + 1.3 * scale * (i - 1)) + 'px)';
 },
 'tear': function(dom, axis, scale, i, offset) {
 var rotateDirect = (axis == "X") ? "Y": "X";
 var zoomScale = 1 - (Math.abs(i - 1) * 0.2);
 this.wrap.style.webkitPerspective = scale * 4;
 if (i == 1) {
 dom.style.zIndex = 100;
 } else {
 dom.style.zIndex = (offset > 0) ? (1 - i) : (i - 1);
 }
 dom.style.webkitTransform = 'scale(' + zoomScale + ', ' + zoomScale + ') translateZ(0) translate' + axis + '(' + (offset + scale * (i - 1)) + 'px)';
 }
}
iSlider.prototype._setUpDamping = function() {
 var oneIn2 = this.scale >> 1;
 var oneIn4 = oneIn2 >> 1;
 var oneIn16 = oneIn4 >> 2;
 this._damping = function(distance) {
 var dis = Math.abs(distance);
 var result;
 if (dis < oneIn2) {
 result = dis >> 1;
 } else if (dis < oneIn2 + oneIn4) {
 result = oneIn4 + ((dis - oneIn2) >> 2);
 } else {
 result = oneIn4 + oneIn16 + ((dis - oneIn2 - oneIn4) >> 3);
 }
 return distance > 0 ? result: -result;
 };
};
iSlider.prototype._renderItem = function(i) {
 var item, html;
 var len = this.data.length;
 if (!this.isLooping) {
 item = this.data[i] || {
 empty: true
 };
 } else {
 if (i < 0) {
 item = this.data[len + i];
 } else if (i > len - 1) {
 item = this.data[i - len];
 } else {
 item = this.data[i];
 }
 }
 if (item.empty) {
 return '';
 }
 if (this.type === 'pic') {
 html = item.height / item.width > this.ratio ? '<img height="' + this.height + '" src="' + item.content + '">': '<img width="' + this.width + '" src="' + item.content + '">';
 } else if (this.type === 'dom') {
 html = '<div style="height:' + item.height + ';width:' + item.width + ';">' + item.content + '</div>';
 } else if (this.type === 'overspread') {
 html = this.ratio < 1 ? '<div style="height: 100%; width:100%; background:url(' + item.content + ') center no-repeat; background-size:' + this.width + 'px auto;"></div>': '<div style="height: 100%; width:100%; background:url(' + item.content + ') center no-repeat; background-size: auto ' + this.height + 'px;"></div>';
 }
 return html;
};
iSlider.prototype._renderHTML = function() {
 var outer;
 if (this.outer) {
 this.outer.innerHTML = '';
 outer = this.outer;
 } else {
 outer = document.createElement('ul');
 }
 outer.style.width = this.width + 'px';
 outer.style.height = this.height + 'px';
 this.els = [];
 for (var i = 0; i < 3; i++) {
 var li = document.createElement('li');
 li.style.width = this.width + 'px';
 li.style.height = this.height + 'px';
 this._animateFunc(li, this.axis, this.scale, i, 0);
 this.els.push(li);
 outer.appendChild(li);
 if (this.isVertical && (this._opts.animateType == 'rotate' || this._opts.animateType == 'flip')) {
 li.innerHTML = this._renderItem(1 - i + this.sliderIndex);
 } else {
 li.innerHTML = this._renderItem(i - 1 + this.sliderIndex);
 }
 }
 if (!this.outer) {
 this.outer = outer;
 this.wrap.appendChild(outer);
 }
};
iSlider.prototype._slide = function(n) {
 var data = this.data;
 var els = this.els;
 var idx = this.sliderIndex + n;
 if (data[idx]) {
 this.sliderIndex = idx;
 } else {
 if (this.isLooping) {
 this.sliderIndex = n > 0 ? 0 : data.length - 1;
 } else {
 n = 0;
 }
 }
 this.log('pic idx:' + this.sliderIndex);
 var sEle;
 if (this.isVertical && (this._opts.animateType == 'rotate' || this._opts.animateType == 'flip')) {
 if (n > 0) {
 sEle = els.pop();
 els.unshift(sEle);
 } else if (n < 0) {
 sEle = els.shift();
 els.push(sEle);
 }
 } else {
 if (n > 0) {
 sEle = els.shift();
 els.push(sEle);
 } else if (n < 0) {
 sEle = els.pop();
 els.unshift(sEle);
 }
 }
 if (n !== 0) {
 sEle.innerHTML = this._renderItem(idx + n);
 sEle.style.webkitTransition = 'none';
 sEle.style.visibility = 'hidden';
 setTimeout(function() {
 sEle.style.visibility = 'visible';
 },
 200);
 this.onslidechange && this.onslidechange(this.sliderIndex);
 }
 for (var i = 0; i < 3; i++) {
 if (els[i] !== sEle) {
 els[i].style.webkitTransition = 'all .3s ease';
 }
 this._animateFunc(els[i], this.axis, this.scale, i, 0);
 }
 if (this.isAutoplay) {
 if (this.sliderIndex === data.length - 1 && !this.isLooping) {
 this.pause();
 }
 }
};
iSlider.prototype._bindHandler = function() {
 var self = this;
 var scaleW = self.scaleW;
 var outer = self.outer;
 var len = self.data.length;
 var startHandler = function(evt) {
 self.pause();
 self.onslidestart && self.onslidestart();
 self.log('Event: beforeslide');
 self.startTime = new Date().getTime();
 self.startX = evt.targetTouches[0].pageX;
 self.startY = evt.targetTouches[0].pageY;
 var target = evt.target;
 while (target.nodeName != 'LI' && target.nodeName != 'BODY') {
 target = target.parentNode;
 }
 self.target = target;
 };
 var moveHandler = function(evt) {
 evt.preventDefault();
 self.onslide && self.onslide();
 self.log('Event: onslide');
 var axis = self.axis;
 var offset = evt.targetTouches[0]['page' + axis] - self['start' + axis];
 if (!self.isLooping) {
 if (offset > 0 && self.sliderIndex === 0 || offset < 0 && self.sliderIndex === self.data.length - 1) {
 offset = self._damping(offset);
 }
 }
 for (var i = 0; i < 3; i++) {
 var item = self.els[i];
 item.style.webkitTransition = 'all 0s';
 self._animateFunc(item, axis, self.scale, i, offset);
 }
 self.offset = offset;
 };
 var endHandler = function(evt) {
 evt.preventDefault();
 var boundary = self.scale / 2;
 var metric = self.offset;
 var endTime = new Date().getTime();
 boundary = endTime - self.startTime > 300 ? boundary: 14;
 if (metric >= boundary) {
 self._slide( - 1);
 } else if (metric < -boundary) {
 self._slide(1);
 } else {
 self._slide(0);
 }
 self.isAutoplay && self.play();
 self.offset = 0;
 self.onslideend && self.onslideend();
 self.log('Event: afterslide');
 };
 var orientationchangeHandler = function(evt) {
 setTimeout(function() {
 self.reset();
 self.log('Event: orientationchange');
 },
 100);
 };
 outer.addEventListener('touchstart', startHandler);
 outer.addEventListener('touchmove', moveHandler);
 outer.addEventListener('touchend', endHandler);
 window.addEventListener('orientationchange', orientationchangeHandler);
};
iSlider.prototype.reset = function() {
 this.pause();
 this._setting();
 this._renderHTML();
 this.isAutoplay && this.play();
};
iSlider.prototype.play = function() {
 var self = this;
 var duration = this.duration;
 clearInterval(this.autoPlayTimer);
 this.autoPlayTimer = setInterval(function() {
 self._slide(1);
 },
 duration);
};
iSlider.prototype.pause = function() {
 clearInterval(this.autoPlayTimer);
};
iSlider.prototype.extend = function(plugin) {
 var fn = iSlider.prototype;
 Object.keys(plugin).forEach(function(property) {
 Object.defineProperty(fn, property, Object.getOwnPropertyDescriptor(plugin, property));
 })
}
iSlider.prototype.extend({
 bindMouse: function() {
 var self = this;
 var scaleW = self.scaleW;
 var outer = self.outer;
 var len = self.data.length;
 var bDrag = false;
 var mouseStart = function(evt) {
 bDrag = true;
 self.pause();
 self.onslidestart && self.onslidestart();
 self.startTime = new Date().getTime();
 self.startX = evt.clientX;
 self.startY = evt.clientY;
 var target = evt.target;
 while (target.nodeName != 'LI' && target.nodeName != 'BODY') {
 target = target.parentNode;
 }
 self.target = target;
 };
 var mouseMove = function(evt) {
 if (bDrag) {
 evt.preventDefault();
 self.onslide && self.onslide();
 var axis = self.axis;
 var offset = evt['client' + axis] - self['start' + axis];
 if (!self.isLooping) {
 if (offset > 0 && self.sliderIndex === 0 || offset < 0 && self.sliderIndex === self.data.length - 1) {
 offset = self._damping(offset);
 }
 }
 for (var i = 0; i < 3; i++) {
 var item = self.els[i];
 item.style.webkitTransition = 'all 0s';
 self._animateFunc(item, axis, self.scale, i, offset);
 }
 self.offset = offset;
 }
 };
 var mouseEnd = function(evt) {
 evt.preventDefault();
 bDrag = false;
 var boundary = self.scale / 2;
 var metric = self.offset;
 var endTime = new Date().getTime();
 boundary = endTime - self.startTime > 300 ? boundary: 14;
 if (metric >= boundary) {
 self._slide( - 1);
 } else if (metric < -boundary) {
 self._slide(1);
 } else {
 self._slide(0);
 }
 self.isAutoplay && self.play();
 self.offset = 0;
 self.onslideend && self.onslideend();
 self.log('Event: afterslide');
 };
 outer.addEventListener('mousedown', mouseStart);
 outer.addEventListener('mousemove', mouseMove);
 outer.addEventListener('mouseup', mouseEnd);
 }
})

html:


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Document</title>
 <style type="text/css">
 *{
 padding: 0;
 list-style: none;
 margin: 0;
 }
 /*容器高度*/
 #iSlider-effect-wrapper {
 height: 400px;
 width: 500px;
 margin: 0 auto;
 margin-top: 4.6rem;
 overflow: hidden;
 position: relative;
 }
 .iSlider-effect ul{
 list-style: none;
 padding: 0;
 margin: 0;
 height: 100%;
 overflow: hidden
 }
 .iSlider-effect li {
 position: absolute;
 margin: 0;
 padding: 0;
 height: 100%;
 overflow: hidden;
 display: -webkit-box;
 -webkit-box-pack: center;
 -webkit-box-align: center;
 list-style: none
 }
 .iSlider-effect ul li img {
 max-width: 100%;
 max-height: 100%;
 margin: 0;
 padding: 0
 }
 .iSlider-effect div {
 background-color: #fff;
 padding: 3px
 }
 </style>
</head>
<body>
 <script type="text/javascript" src="mobile_slider.js"></script>
 <!--组件容器-->
 <div id="iSlider-effect-wrapper"> </div>
 <script>
 //组件注册
 var islider1 = new iSlider({
 //节点获取
 dom: document.getElementById("iSlider-effect-wrapper"),
 //图片配置
 data: [
 {
 content: "images/01.jpeg",
 },
 {
 content: "images/04.jpg",
 },
 {
 content: "images/05.jpg",
 }
 ],
 //播放间隔
 duration: 3000,
 //animateType切换方式
 //default:默认
 //rotate:旋转
 //flip:弹出
 animateType: 'rotate',
 //是否自动播放
 isAutoplay: true,
 //是否循环播放
 isLooping: true,
 // isVertical: true, 是否垂直滚动
 });
 islider1.bindMouse();
 </script>
</body>
</html>

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。

iSlider滑动切换插件 iSlider图片滑动切换 iSlider手机端滑动切换