原生js实现图片层叠轮播切换效果

闻人浩波

2023-03-14

本文向大家介绍原生js实现图片层叠轮播切换效果，包括了原生js实现图片层叠轮播切换效果的使用技巧和注意事项，需要的朋友参考一下

本文实例介绍了js焦点图片层叠轮播切换滚动效果，分享给大家供大家参考，具体内容如下

效果图：

功能描述：

　　自定义图片尺寸；
　　每隔一段时间自动滚动图片；
　　每次动画执行的时候改变图片的位置，宽高以及其它属性也要跟随着变化；
　　鼠标移上图片，显示当前图片的详细信息；
　　点击按钮向前向后滚动；

详细代码:

html代码:

<!DOCTYPE html>
<!-- saved from url=(0062)http://x1.xiuimg.com/style/xiu/woxiu/v1/tpl/topic/xiuxuan.html -->
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title></title>
<style type="text/css">
 *{margin:0px; padding:0px;font-family:"Microsoft YaHei"}
 ol,ul{list-style:none;}
 cite,em,i{font-style:normal} 
 * html .clearfix { height: 1%; }
 .clearfix { display: block; }
 .myclearfix:after { clear:both; visibility:hidden;}
 .myclearfix { display: block; _display:inline-block; overflow:hidden;} 

 #largerImages{position:relative;width:1000px;margin:0 auto;height:520px;overflow:hidden;}
 #largerImages li{box-shadow:1px 1px 12px rgba(200, 200, 200, 1);width:368px;height:368px; position:absolute;top:10px;overflow:hidden;color:#fff;}
 #largerImages li .cover{background-color:#333;opacity:0.5;filter: progid:DXImageTransform.Microsoft.Alpha(opacity=50);height:100%;width:100%;display:block;position:absolute;top:0px;}
 #largerImages img{border:0px;width:100%;height:100%;}
 #largerImages .previous{left:13%;}
 #largerImages .next{left:53%;}
 #largerImages .previous,#largerImages .next{cursor:pointer; position:absolute;z-index:100; top:25%;height:60px;line-height:60px;width:30px;color:#fff;text-align:center;}
 #largerImages .previous span,#largerImages .next span{position:absolute;top:0px;left:0px;height:100%;width:100%;display:block;background-color:#000;opacity:0.4;filter: progid:DXImageTransform.Microsoft.Alpha(opacity=40);}
 #largerImages .previous em,#largerImages .next em{height:100%;width:100%;display:block;position:absolute;top:0px;left:0px;font-size:26px; font-family: "宋体";}
 #largerImages li span,#largerImages li em{position:absolute;left:0px;width:100%;height:30px;line-height:30px; bottom:0px;text-align:center;display:block;color:#fff;}
 #largerImages li span{background-color:#000;opacity:0.5;filter: progid:DXImageTransform.Microsoft.Alpha(opacity=50);font-size:12px;}

</style>
</head>
<body>

<ul id = "largerImages">
 <p class="previous"><span>&nbsp;</span><em>&lt;</em></p>
 <p class="next"><span>&nbsp;</span><em>&gt;</em></p>
 <li><i class="cover">&nbsp;</i>
 <a href="#"><img src="http://xiu.xiuimg.com/upload/xiu/9/90/qq-srntbvlhcw_b_56.com_160106133546.jpg"></a>
 <p class="tab_name"><span>&nbsp;</span><em>主播昵称</em></p>
 </li>
 <li><i class="cover">&nbsp;</i>
 <a href="#"><img src="http://xiu.xiuimg.com/upload/xiu/96/58/dc15170219625_b_56.com_151201150445.jpg"></a>
 <p class="tab_name"><span>&nbsp;</span><em>主播昵称</em></p>
 </li>
 <li><i class="cover">&nbsp;</i>
 <a href="#"><img src="http://xiu.xiuimg.com/upload/xiu/9/90/qq-srntbvlhcw_b_56.com_160106133546.jpg"></a>
 <p class="tab_name"><span>&nbsp;</span><em>主播昵称</em></p>
 </li>
 <li><i class="cover">&nbsp;</i>
 <a href="#"><img src="http://xiu.xiuimg.com/upload/xiu/96/58/dc15170219625_b_56.com_151201150445.jpg"></a>
 <p class="tab_name"><span>&nbsp;</span><em>主播昵称</em></p>
 </li>
 <li><i class="cover">&nbsp;</i>
 <a href="#"><img src="http://xiu.xiuimg.com/upload/xiu/9/90/qq-srntbvlhcw_b_56.com_160106133546.jpg"></a>
 <p class="tab_name"><span>&nbsp;</span><em>主播昵称</em></p>
 </li>
</ul>

<script type="text/javascript" src="../../lib/seajs/sea.js"></script>
<script type="text/javascript" src="../../lib/base/1.0.x/base.js"></script>
<script type="text/javascript">
 seajs.use(['lib/jquery/1.11.x/index.js','_example/rotateBox/index.js'],function($,carousel) {
 carousel.init({
  wapper: $('#largerImages'),

  //所有图片以此来按比例定义宽高
  imgWidth: 450,
  imgHeight: 300,

  spacing: {
  left: 60, //每张图片左边距离相差多少
  top: 30, //每张图片顶部距离相差多少
  width: 60, //每张图片宽度相差多少
  height: 60 //每张图片高度相差多少
  }
 });
 });
</script>
</body>
</html>

js 代码:

define(function(require, exports, module) {
 'use strict';
 var $ = require('lib/jquery/1.11.x/index.js');

 var carousel = {

 _initData:false, //判断动画是否执行完毕

 init: function(options) {
  var t = this;
  t._wapper = options.wapper;
  t._grids = t._wapper.find('li');
  t._gridsWidth = options.imgWidth;
  t._gridsHeight = options.imgHeight; 
  t._spacing = options.spacing;

  //取居中图片
  t._middle = t._grids.length % 2 == 0 ? t._grids.length / 2 : parseInt(t._grids.length / 2);

  //存放各图片参数
  t._arr = {
  left: [],
  top: [],
  zIndex: [],
  width: [],
  height: []
  }

  if ( !t._initData ) {
  var interval;
  interval = setInterval(function(){
   $('.previous').click();
  },10000);
  }

  t._largerImages();
  t._reposition();
  t._mouseEnter(t._grids) //鼠标移动上去显示主播昵称
 },
 //初始化定位：
 _largerImages: function() {
  var t = this;

  var front = t._middle;
  var avtive = t._middle;
  var last = t._grids.length;

  t._grids.each( function(i, img) {
  
  if (i == t._middle) {

   t._grids.eq(i).css({
   zIndex: 99,
   top: 0,
   left: t._spacing.left * i,
   height: t._gridsHeight,
   width: t._gridsWidth
   }); 

  } else if ( i < t._middle ) {

   t._grids.eq(i).css({
   zIndex: i,
   top: t._spacing.top * front,
   left: t._spacing.left * i,
   height: t._gridsHeight - t._spacing.height * front,
   width: t._gridsWidth - t._spacing.width * front
   });
   
   front--;

  } else {

   last --;

   t._grids.eq(last).css({
   zIndex: i,
   top: t._spacing.top * avtive,

   left: t._spacing.left * last + t._spacing.width * avtive,
   height: t._gridsHeight - t._spacing.height * avtive,
   width: t._gridsWidth - t._spacing.width * avtive
   });

   avtive --;
  };
  });
 },
 //翻页动画
 _reposition: function() {
  var t = this;

  //把各属性值传到数组里面
  t._grids.each( function(i,img) {
  t._arr.left.push(t._grids.eq(i).position().left);
  t._arr.top.push(t._grids.eq(i).position().top);
  t._arr.width.push(t._grids.eq(i).width());
  t._arr.height.push(t._grids.eq(i).height());
  t._arr.zIndex.push(t._grids.eq(i).css('z-index'));
  });

  //向前翻页
  $('.previous').bind('click',function() {
  if ( !t._initData && t._arr.left.length != 0) {

   t._initData = true;

   //重新获取选择器
   var grids = t._wapper.find('li'); 
   
   for (var i = 1; i < grids.length ; i ++) {

   grids.eq(i).animate({
    zIndex: t._arr.zIndex[i - 1],
    left: t._arr.left[i - 1],
    top: t._arr.top[i - 1], 
    width: t._arr.width[i - 1], 
    height: t._arr.height[i - 1],
   },200,
   function() {
    t._initData = false;
    grids.find('i').addClass('cover');
    grids.eq(t._middle + 1).find('i').removeClass('cover');
   });
   };

   grids.eq(0).animate({
   left: t._arr.left[ grids.length - 1], 
   top: t._arr.top[ grids.length - 1], 
   width: t._arr.width[ grids.length - 1], 
   height: t._arr.height[ grids.length - 1],
   zIndex: t._arr.zIndex[ grids.length - 1]
   },200,
   function(){
   $(this).appendTo(t._wapper);
   });

  }
  });
  //向后翻页
  $('.next').bind('click',function() {
  if ( !t._initData && t._arr.left.length != 0) {

   t._initData = true;

   //重新获取选择器
   var grids = t._wapper.find('li'); 
   
   for (var i = 0; i < grids.length - 1; i ++) {
   grids.eq(i).animate({
    left: t._arr.left[i + 1],
    top: t._arr.top[i + 1], 
    width: t._arr.width[i + 1], 
    height: t._arr.height[i + 1],
    zIndex: t._arr.zIndex[i + 1]
    },200,function() {
    t._initData = false;
    });
   };
   grids.eq(grids.length - 1).animate({
   left: t._arr.left[0], 
   top: t._arr.top[0], 
   width: t._arr.width[0], 
   height: t._arr.height[0],
   zIndex: t._arr.zIndex[0]
   },200,
   function(){
   $(this).prependTo(t._wapper);
   grids.find('i').addClass('cover');
   grids.eq(t._middle - 1).find('i').removeClass('cover');
   });

  }
  });
 },
 //鼠标进入图片效果
 _mouseEnter: function(grids) {
  grids.each(function(i){
  $(this).mouseenter(function() {
   $(this).find('.tab_name').animate({
   bottom:0,opacity: 'show'
   },200);
  });
  $(this).mouseleave(function() {
   $(this).find('.tab_name').animate({
   bottom:-50,opacity: 'hide'
   },200);
  });
  });
 },
 };

 return carousel;
});

精彩专题分享：jQuery图片轮播 JavaScript图片轮播 Bootstrap图片轮播

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原生js实现图片层叠轮播切换效果

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