<section id="dg-container" class="dg-container">
 <div class="dg-wrapper">
 <a href="#"><img src="/UploadFiles/2021-04-02/1.jpg">

CSS代码


.dg-container{
 width: 100%;
 height: 450px;
 position: relative;
}
.dg-wrapper{
 width: 481px;
 height: 316px;
 margin: 0 auto;
 position: relative;
 -webkit-transform-style: preserve-3d;
 -moz-transform-style: preserve-3d;
 -o-transform-style: preserve-3d;
 -ms-transform-style: preserve-3d;
 transform-style: preserve-3d;
 -webkit-perspective: 1000px;
 -moz-perspective: 1000px;
 -o-perspective: 1000px;
 -ms-perspective: 1000px;
 perspective: 1000px;
}
.dg-wrapper a{
 width: 482px;
 height: 316px;
 display: block;
 position: absolute;
 left: 0;
 top: 0;
 background: transparent url(../images/browser.png) no-repeat top left;
 box-shadow: 0px 10px 20px rgba(0,0,0,0.3);
}
.dg-wrapper a.dg-transition{
 -webkit-transition: all 0.5s ease-in-out;
 -moz-transition: all 0.5s ease-in-out;
 -o-transition: all 0.5s ease-in-out;
 -ms-transition: all 0.5s ease-in-out;
 transition: all 0.5s ease-in-out;
}
.dg-wrapper a img{
 display: block;
 padding: 41px 0px 0px 1px;
}
.dg-wrapper a div{
 font-style: italic;
 text-align: center;
 line-height: 50px;
 text-shadow: 1px 1px 1px rgba(255,255,255,0.5);
 color: #333;
 font-size: 16px;
 width: 100%;
 bottom: -55px;
 display: none;
 position: absolute;
}
.dg-wrapper a.dg-center div{
 display: block;
}
.dg-container nav{
 width: 58px;
 position: absolute;
 z-index: 1000;
 bottom: 40px;
 left: 50%;
 margin-left: -29px;
}
.dg-container nav span{
 text-indent: -9000px;
 float: left;
 cursor:pointer;
 width: 24px;
 height: 25px;
 opacity: 0.8;
 background: transparent url(../images/arrows.png) no-repeat top left;
}
.dg-container nav span:hover{
 opacity: 1;
}
.dg-container nav span.dg-next{
 background-position: top right;
 margin-left: 10px;
}



JavaScript代码


/**
 * jquery.gallery.js
 * Copyright 2011, Pedro Botelho / Codrops
 * Free to use under the MIT license.
 *
 * Date: Mon Jan 30 2012
 */

(function( $, undefined ) {

 /*
 * Gallery object.
 */
 $.Gallery   = function( options, element ) {

 this.$el = $( element );
 this._init( options );

 };

 $.Gallery.defaults  = {
 current : 0, // index of current item
 autoplay : false,// slideshow on / off
 interval : 2000 // time between transitions
  };

 $.Gallery.prototype = {
 _init   : function( options ) {

  this.options  = $.extend( true, {}, $.Gallery.defaults, options );

  // support for 3d / 2d transforms and transitions
  this.support3d = Modernizr.csstransforms3d;
  this.support2d = Modernizr.csstransforms;
  this.supportTrans = Modernizr.csstransitions;

  this.$wrapper = this.$el.find('.dg-wrapper');

  this.$items  = this.$wrapper.children();
  this.itemsCount = this.$items.length;

  this.$nav  = this.$el.find('nav');
  this.$navPrev = this.$nav.find('.dg-prev');
  this.$navNext = this.$nav.find('.dg-next');

  // minimum of 3 items
  if( this.itemsCount < 3 ) {

  this.$nav.remove();
  return false;

  } 

  this.current = this.options.current;

  this.isAnim  = false;

  this.$items.css({
  'opacity' : 0,
  'visibility': 'hidden'
  });

  this._validate();

  this._layout();

  // load the events
  this._loadEvents();

  // slideshow
  if( this.options.autoplay ) {

  this._startSlideshow();

  }

 },
 _validate  : function() {

  if( this.options.current < 0 || this.options.current > this.itemsCount - 1 ) {

  this.current = 0;

  } 

 },
 _layout  : function() {

  // current, left and right items
  this._setItems();

  // current item is not changed
  // left and right one are rotated and translated
  var leftCSS, rightCSS, currentCSS;

  if( this.support3d && this.supportTrans ) {

  leftCSS = {
   '-webkit-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',
   '-moz-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',
   '-o-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',
   '-ms-transform' : 'translateX(-350px) translateZ(-200px) rotateY(45deg)',
   'transform'  : 'translateX(-350px) translateZ(-200px) rotateY(45deg)'
  };

  rightCSS = {
   '-webkit-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',
   '-moz-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',
   '-o-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',
   '-ms-transform' : 'translateX(350px) translateZ(-200px) rotateY(-45deg)',
   'transform'  : 'translateX(350px) translateZ(-200px) rotateY(-45deg)'
  };

  leftCSS.opacity = 1;
  leftCSS.visibility = 'visible';
  rightCSS.opacity = 1;
  rightCSS.visibility = 'visible';

  }
  else if( this.support2d && this.supportTrans ) {

  leftCSS = {
   '-webkit-transform' : 'translate(-350px) scale(0.8)',
   '-moz-transform' : 'translate(-350px) scale(0.8)',
   '-o-transform' : 'translate(-350px) scale(0.8)',
   '-ms-transform' : 'translate(-350px) scale(0.8)',
   'transform'  : 'translate(-350px) scale(0.8)'
  };

  rightCSS = {
   '-webkit-transform' : 'translate(350px) scale(0.8)',
   '-moz-transform' : 'translate(350px) scale(0.8)',
   '-o-transform' : 'translate(350px) scale(0.8)',
   '-ms-transform' : 'translate(350px) scale(0.8)',
   'transform'  : 'translate(350px) scale(0.8)'
  };

  currentCSS = {
   'z-index'  : 999
  };

  leftCSS.opacity = 1;
  leftCSS.visibility = 'visible';
  rightCSS.opacity = 1;
  rightCSS.visibility = 'visible';

  }

  this.$leftItm.css( leftCSS || {} );
  this.$rightItm.css( rightCSS || {} );

  this.$currentItm.css( currentCSS || {} ).css({
  'opacity' : 1,
  'visibility': 'visible'
  }).addClass('dg-center');

 },
 _setItems  : function() {

  this.$items.removeClass('dg-center');

  this.$currentItm = this.$items.eq( this.current );
  this.$leftItm = ( this.current === 0 ) "cannot call methods on gallery prior to initialization; " +
   "attempted to call method '" + options + "'" );
   return;
  }

  if ( !$.isFunction( instance[options] ) || options.charAt(0) === "_" ) {
   logError( "no such method '" + options + "' for gallery instance" );
   return;
  }

  instance[ options ].apply( instance, args );

  });

 } 
 else {

  this.each(function() {

  var instance = $.data( this, 'gallery' );
  if ( !instance ) {
   $.data( this, 'gallery', new $.Gallery( options, this ) );
  }
  });

 }

 return this;

 };

})( jQuery );



希望本文所述对大家学习javascript程序设计有所帮助。