photoswipe的展示时图片自适应问题 data-size自动获取问题
2021-01-06 15:32
- <!DOCTYPE html>
- <html lang="en" >
- <head>
- <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no, viewport-fit=cover">
- <meta charset="UTF-8">
- <title>CodePen - Multiple PhotoSwipe galleries on pagea</title>
- <link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.css'>
- <link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/default-skin/default-skin.min.css'>
- <style>
- .my-gallery {
- width: 100%;
- float: left;
- }
- .my-gallery img {
- width: 100%;
- height: auto;
- }
- .my-gallery figure {
- display: block;
- float: left;
- margin: 0 5px 5px 0;
- width: 150px;
- }
- .my-gallery figcaption {
- display: none;
- }
- </style>
- <script>
- windowwindow.console = window.console || function(t) {};
- </script>
- <script>
- if (document.location.search.match(/type=embed/gi)) {
- window.parent.postMessage("resize", "*");
- }
- </script>
- </head>
- <body translate="no" >
- <h2>4Second gallery:</h2>
- <div class="my-gallery" itemscope itemtype="http://schema.org/ImageGallery">
- <figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
- <a href="https://www..tw/WebUpload/UpLoadFile/2021161173814.jpg" itemprop="contentUrl" data-size="">
- <img src="https://www..tw/WebUpload/UpLoadFile/2021161173814.jpg" itemprop="thumbnail" alt="Image description" />
- </a>
- <figcaption itemprop="caption description">ddd2.1</figcaption>
- </figure>
- <figure itemprop="associatedMedia" itemscope itemtype="http://schema.org/ImageObject">
- <a href="https://www..tw/WebUpload/UpLoadFile/2021162887102.jpg" itemprop="contentUrl" data-size="">
- <img src="https://www..tw/WebUpload/UpLoadFile/2021162887102.jpg" itemprop="thumbnail" alt="Image description" />
- </a>
- <figcaption itemprop="caption description">ee 2.2</figcaption>
- </figure>
- </div>
- <!-- Root element of PhotoSwipe. Must have class pswp. -->
- <div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">
- <!-- Background of PhotoSwipe.
- It's a separate element, as animating opacity is faster than rgba(). -->
- <div class="pswp__bg"></div>
- <!-- Slides wrapper with overflow:hidden. -->
- <div class="pswp__scroll-wrap">
- <!-- Container that holds slides. PhotoSwipe keeps only 3 slides in DOM to save memory. -->
- <!-- don't modify these 3 pswp__item elements, data is added later on. -->
- <div class="pswp__container">
- <div class="pswp__item"></div>
- <div class="pswp__item"></div>
- <div class="pswp__item"></div>
- </div>
- <!-- Default (PhotoSwipeUI_Default) interface on top of sliding area. Can be changed. -->
- <div class="pswp__ui pswp__ui--hidden">
- <div class="pswp__top-bar">
- <!-- Controls are self-explanatory. Order can be changed. -->
- <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>
- <!-- Preloader demo https://codepen.io/dimsemenov/pen/yyBWoR -->
- <!-- element will get class pswp__preloader--active when preloader is running -->
- <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>
- <script src="https://cpwebassets.codepen.io/assets/common/stopExecutionOnTimeout-157cd5b220a5c80d4ff8e0e70ac069bffd87a61252088146915e8726e5d9f147.js"></script>
- <script src='https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe.min.js'></script>
- <script src='https://cdnjs.cloudflare.com/ajax/libs/photoswipe/4.1.1/photoswipe-ui-default.min.js'></script>
- <script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
- <script id="rendered-js" >
- var initPhotoSwipeFromDOM = function (gallerySelector) {
- // parse slide data (url, title, size ...) from DOM elements
- // (children of gallerySelector)
- var parseThumbnailElements = function (el) {
- var thumbElements = el.childNodes,
- numNodes = thumbElements.length,
- items = [],
- figureEl,
- linkEl,
- size,
- item;
- for (var i = 0; i < numNodes; i++) {if (window.CP.shouldStopExecution(0)) break;
- figureEl = thumbElements[i]; // <figure> element
- // include only element nodes
- if (figureEl.nodeType !== 1) {
- continue;
- }
- linkEl = figureEl.children[0]; // <a> element
- size = linkEl.getAttribute('data-size').split('x');
- // create slide object
- item = {
- src: linkEl.getAttribute('href'),
- w: parseInt(size[0], 10),
- h: parseInt(size[1], 10) };
- if (figureEl.children.length > 1) {
- // <figcaption> content
- item.title = figureEl.children[1].innerHTML;
- }
- if (linkEl.children.length > 0) {
- // <img> thumbnail element, retrieving thumbnail url
- item.msrc = linkEl.children[0].getAttribute('src');
- }
- item.el = figureEl; // save link to element for getThumbBoundsFn
- items.push(item);
- }window.CP.exitedLoop(0);
- return items;
- };
- // find nearest parent element
- var closest = function closest(el, fn) {
- return el && (fn(el) ? el : closest(el.parentNode, fn));
- };
- // triggers when user clicks on thumbnail
- var onThumbnailsClick = function (e) {
- ee = e || window.event;
- e.preventDefault ? e.preventDefault() : e.returnValue = false;
- var eeTarget = e.target || e.srcElement;
- // find root element of slide
- var clickedListItem = closest(eTarget, function (el) {
- return el.tagName && el.tagName.toUpperCase() === 'FIGURE';
- });
- if (!clickedListItem) {
- return;
- }
- // find index of clicked item by looping through all child nodes
- // alternatively, you may define index via data- attribute
- var clickedGallery = clickedListItem.parentNode,
- childNodes = clickedListItem.parentNode.childNodes,
- numChildNodes = childNodes.length,
- nodeIndex = 0,
- index;
- for (var i = 0; i < numChildNodes; i++) {if (window.CP.shouldStopExecution(1)) break;
- if (childNodes[i].nodeType !== 1) {
- continue;
- }
- if (childNodes[i] === clickedListItem) {
- index = nodeIndex;
- break;
- }
- nodeIndex++;
- }window.CP.exitedLoop(1);
- if (index >= 0) {
- // open PhotoSwipe if valid index found
- openPhotoSwipe(index, clickedGallery);
- }
- return false;
- };
- // parse picture index and gallery index from URL (#&pid=1&gid=2)
- var photoswipeParseHash = function () {
- var hash = window.location.hash.substring(1),
- params = {};
- if (hash.length < 5) {
- return params;
- }
- var vars = hash.split('&');
- for (var i = 0; i < vars.length; i++) {if (window.CP.shouldStopExecution(2)) break;
- if (!vars[i]) {
- continue;
- }
- var pair = vars[i].split('=');
- if (pair.length < 2) {
- continue;
- }
- params[pair[0]] = pair[1];
- }window.CP.exitedLoop(2);
- if (params.gid) {
- params.gid = parseInt(params.gid, 10);
- }
- return params;
- };
- var openPhotoSwipe = function (index, galleryElement, disableAnimation, fromURL) {
- var pswpElement = document.querySelectorAll('.pswp')[0],
- gallery,
- options,
- items;
- items = parseThumbnailElements(galleryElement);
- // define options (if needed)
- options = {
- // define gallery index (for URL)
- galleryUID: galleryElement.getAttribute('data-pswp-uid'),
- getThumbBoundsFn: function (index) {
- // See Options -> getThumbBoundsFn section of documentation for more info
- var thumbnail = items[index].el.getElementsByTagName('img')[0], // find thumbnail
- pageYScroll = window.pageYOffset || document.documentElement.scrollTop,
- rect = thumbnail.getBoundingClientRect();
- return { x: rect.left, y: rect.top + pageYScroll, w: rect.width };
- } };
- // PhotoSwipe opened from URL
- if (fromURL) {
- if (options.galleryPIDs) {
- // parse real index when custom PIDs are used
- // http://photoswipe.com/documentation/faq.html#custom-pid-in-url
- for (var j = 0; j < items.length; j++) {if (window.CP.shouldStopExecution(3)) break;
- if (items[j].pid == index) {
- options.index = j;
- break;
- }
- }window.CP.exitedLoop(3);
- } else {
- // in URL indexes start from 1
- options.index = parseInt(index, 10) - 1;
- }
- } else {
- options.index = parseInt(index, 10);
- }
- // exit if index not found
- if (isNaN(options.index)) {
- return;
- }
- if (disableAnimation) {
- options.showAnimationDuration = 0;
- }
- // Pass data to PhotoSwipe and initialize it
- gallery = new PhotoSwipe(pswpElement, PhotoSwipeUI_Default, items, options);
- gallery.init();
- };
- // loop through all gallery elements and bind events
- var galleryElements = document.querySelectorAll(gallerySelector);
- for (var i = 0, l = galleryElements.length; i < l; i++) {if (window.CP.shouldStopExecution(4)) break;
- galleryElements[i].setAttribute('data-pswp-uid', i + 1);
- galleryElements[i].onclick = onThumbnailsClick;
- }
- // Parse URL and open gallery if it contains #&pid=3&gid=1
- window.CP.exitedLoop(4);var hashData = photoswipeParseHash();
- if (hashData.pid && hashData.gid) {
- openPhotoSwipe(hashData.pid, galleryElements[hashData.gid - 1], true, true);
- }
- };
- // execute above function
- initPhotoSwipeFromDOM('.my-gallery');
- //# sourceURL=pen.js
- /**重点。直接利用jq加载,自动获取图片得 data-size 得参数 */
- window.onload=function(){
- auto_data_size();
- };
- function auto_data_size(){
- var imgss= $("figure img");
- $("figure img").each(function() {
- var imgs = new Image();
- imgs.src=$(this).attr("src");
- var w = imgs.width,
- h =imgs.height;
- $(this).parent("a").attr("data-size","").attr("data-size",w+"x"+h);
- })
- };
- </script>
- </body>
- </html>
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2021-01-06 15:32
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2021-01-06 15:32