<link rel="stylesheet" href="css/photoswipe.css"> 
<link rel="stylesheet" href="css/default-skin/default-skin.css"> 
<script src="js/photoswipe.min.js"></script> 
<script src="js/photoswipe-ui-default.min.js"></script> 

<div id="photos"> 
 <img src="images/s1_m.jpg" alt="Image description" /> 
 <p>图集</p> 
</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> 

var openPhotoSwipe = function() { 
 var pswpElement = document.querySelectorAll('.pswp')[0]; 
 //定义图片集合 
 var items = [ 
  { 
   src: 'images/s1.jpg', 
   w: 800, 
   h: 1142 
  }, 
  { 
   src: 'images/s2.jpg', 
   w: 800, 
   h: 1142 
  } 
 ]; 
 var options = { 
  history: false, 
  focus: false, 
  showAnimationDuration: 0, 
  hideAnimationDuration: 0 
 }; 
 var gallery = new PhotoSwipe( pswpElement, PhotoSwipeUI_Default, items, options); 
 gallery.init(); 
}; 


//点击图集元素时触发调用openPhotoSwipe 

document.getElementById('photos').onclick = openPhotoSwipe;