移动端图片放大滑动查看-插件photoswipe的使用
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最近在开发项目的时候,遇到一个需求,需要移动端实现放大查看图片的功能,然后我就在网上搜索了一下资料,看到了photoswipe这个插件,后来试了试,确实挺好用的,它可以实现手势放大缩小查看图片,左右滑动切换图片以及上下滑动关闭大图。现在简单分享一下。
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一、需要引入的css和js文件、
页面中需要引入如下文件:photoswipe.css,default-skin.css,photoswipe.js,photoswipe-ui-default.min.js
首先可以到它的官网或者github网站上下载插件,就可以找到需要的资源,官网地址:http://photoswipe.com;GitHub网址:https://github.com/dimsemenov/PhotoSwip
二、html页面中需要添加如下部分html代码
该段代码用于显示大图功能
<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true"> <div class="pswp__bg"></div> <div class="pswp__scroll-wrap"> <div class="pswp__container"> <div class="pswp__item"></div> <div class="pswp__item"></div> <div class="pswp__item"></div> </div> <div class="pswp__ui pswp__ui--hidden"> <div class="pswp__top-bar"> <div class="pswp__counter"></div> <button class="pswp__button pswp__button--close" title="Close (Esc)"></button> <!--<button class="pswp__button pswp__button--share" title="Share"></button>--> <button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button> <button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button> <div class="pswp__preloader"> <div class="pswp__preloader__icn"> <div class="pswp__preloader__cut"> <div class="pswp__preloader__donut"></div> </div> </div> </div> </div> <div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap"> <div class="pswp__share-tooltip"></div> </div> <button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)"> </button> <button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)"> </button> <div class="pswp__caption"> <div class="pswp__caption__center"></div> </div> </div> </div> </div>
放置图片部分的html代码按照如下结构:
<div class="my-gallery" data-pswp-uid="1"> <figure> <div class="img-dv"><a href="img/img1-big.jpg" data-size="1920x1080"><img src="img/img1.jpg"></a></div> <figcaption style="display:none;">在这里可增加图片描述</figcaption> </figure> </div>
三、完整代码
以下是完整代码
<!doctype html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>photoswipe的使用</title> <link rel="stylesheet prefetch" href="css/photoswipe.css"> <link rel="stylesheet prefetch" href="css/default-skin/default-skin.css"> <style> * {margin: 0;padding: 0;} .clearfix::before, .clearfix::after { display: block; content: \'\'; visibility: hidden; height: 100%; clear: both; } body {padding-top: 2%;} .my-gallery {width:96%;margin: 0 auto;} .my-gallery .img-dv {width:100%;margin-bottom: 1%;} .my-gallery .img-dv a {display:block;width:100%;text-align: center} .my-gallery .img-dv a img {width:100%;} </style> </head> <body> <!--如果有多个data-pswp-uid 它的值是不能重复的--> <div class="my-gallery" data-pswp-uid="1"> <figure> <div class="img-dv"><a href="img/img1-big.jpg" data-size="1920x1080"><img src="img/img1.jpg"></a></div> <figcaption style="display:none;">在这里可增加图片描述</figcaption> </figure> <figure> <div class="img-dv"><a href="img/img2-big.jpg" data-size="1920x1080"><img src="img/img2.jpg"></a></div> <figcaption style="display:none;">在这里可增加图片描述2</figcaption> </figure> <figure> <div class="img-dv"><a href="img/img3-big.jpg" data-size="1920x1080"><img src="img/img3.jpg"></a></div> <figcaption style="display:none;">在这里可增加图片描述3</figcaption> </figure> <figure> <div class="img-dv"><a href="img/img4-big.jpg" data-size="1920x1080"><img src="img/img4.jpg"></a></div> <figcaption style="display:none;">在这里可增加图片描述4</figcaption> </figure> <figure> <div class="img-dv"><a href="img/img5-big.jpg" data-size="1920x1080"><img src="img/img5.jpg"></a></div> <figcaption style="display:none;">在这里可增加图片描述5在这里可增加图片描述5在这里可增加图片描述5</figcaption> </figure> </div> <div class="pswp" tabindex="-1" role="dialog" aria-hidden="true"> <div class="pswp__bg"></div> <div class="pswp__scroll-wrap"> <div class="pswp__container"> <div class="pswp__item"></div> <div class="pswp__item"></div> <div class="pswp__item"></div> </div> <div class="pswp__ui pswp__ui--hidden"> <div class="pswp__top-bar"> <div class="pswp__counter"></div> <button class="pswp__button pswp__button--close" title="Close (Esc)"></button> <!--<button class="pswp__button pswp__button--share" title="Share"></button>--> <button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button> <button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button> <div class="pswp__preloader"> <div class="pswp__preloader__icn"> <div class="pswp__preloader__cut"> <div class="pswp__preloader__donut"></div> </div> </div> </div> </div> <div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap"> <div class="pswp__share-tooltip"></div> </div> <button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)"> </button> <button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)"> </button> <div class="pswp__caption"> <div class="pswp__caption__center"></div> </div> </div> </div> </div> </body> <script src="js/photoswipe.js"></script> <script src="js/photoswipe-ui-default.min.js"></script> <script type="text/javascript"> var initPhotoSwipeFromDOM = function(gallerySelector) { // 解析来自DOM元素幻灯片数据(URL,标题,大小...) var parseThumbnailElements = function(el) { var thumbElements = el.childNodes, numNodes = thumbElements.length, items = [], figureEl, linkEl, size, item, divEl; for(var i = 0; i < numNodes; i++) { figureEl = thumbElements[i]; // <figure> element // 仅包括元素节点 if(figureEl.nodeType !== 1) { continue; } divEl = figureEl.children[0]; linkEl = divEl.children[0]; // <a> element size = linkEl.getAttribute(\'data-size\').split(\'x\'); // 创建幻灯片对象 item = { src: linkEl.getAttribute(\'href\'), w: parseInt(size[0], 10), h: parseInt(size[1], 10) }; if(figureEl.children.length > 1) { item.title = figureEl.children[1].innerHTML; } if(linkEl.children.length > 0) { // <img> 缩略图节点, 检索缩略图网址 item.msrc = linkEl.children[0].getAttribute(\'src\'); } item.el = figureEl; // 保存链接元素 for getThumbBoundsFn items.push(item); } return items; }; // 查找最近的父节点 var closest = function closest(el, fn) { return el && ( fn(el) ? el : closest(el.parentNode, fn) ); }; // 当用户点击缩略图触发 var onThumbnailsClick = function(e) { e = e || window.event; e.preventDefault ? e.preventDefault() : e.returnValue = false; var eTarget = e.target || e.srcElement; var clickedListItem vue移动端图片预览,使用photoSwipe插件