jquery has index button and automatic carousel switching special effects code sharing

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jquery has index button and automatic carousel switching special effects code sharing_jquery

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May 16, 2016 pm 03:39 PM

The example in this article describes jquery with index button and automatic carousel switching effects. Share it with everyone for your reference. The details are as follows:
This is a code with index buttons and automatic carousel switching special effects implemented based on jquery. The implementation process is very simple.
运行效果图： -------------------查看效果下载源码----------- --------

Tips: If the browser does not work properly, you can try switching the browsing mode.
Introduce CSS styles in the head area:

<link rel="stylesheet" href="css/reset.css" media="screen">
<link rel="stylesheet" href="css/wy-mod-banner.css" media="screen">

The jquery with index button and automatic carousel switching special effect code shared with you is as follows

<!doctype html>
<html lang="zh-cn">
<head>
  <meta charset="utf-8">
  <meta http-equiv="Content-Language" content="zh-cn">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <title>腾讯微云首页jquery焦点图</title>
  <link rel="stylesheet" href="css/reset.css" media="screen">
  <link rel="stylesheet" href="css/wy-mod-banner.css" media="screen">
  <!--[if IE 6]><script type="text/javascript">try{document.execCommand('BackgroundImageCache',false,true);}catch(e){}</script><![endif]-->
</head>
 <body>
  <div class="wrapper">
    <div class="wy-content">
      <div class="wy-mod-banner">
        <div id="_banners" class="banners">
          <div class="banner banner4">
            <img src="/static/imghwm/default1.png"  data-src="images/banner4.jpg"  class="lazy" alt="jquery has index button and automatic carousel switching special effects code sharing_jquery">
            <div class="info">
              <h3 id="jquery-has-index-button-and-automatic-carousel-switching-special-effects-code-sharing-jquery">jquery has index button and automatic carousel switching special effects code sharing_jquery</h3>
              <p>收录生活中的点点滴滴，精彩从此刻开始！</p>
              <a href="http://www.jb51.net/jiaoben/" data-log-id="150008" class="link-download" target="_blank" data-log-id="150001"><span>马上下载 </span><i class="bor_c"></i></a>
            </div>
          </div>
          <div class="banner banner3">
            <img src="/static/imghwm/default1.png"  data-src="images/banner3.jpg"  class="lazy" alt="jquery has index button and automatic carousel switching special effects code sharing_jquery">
            <div class="info">
              <h3 id="jquery-has-index-button-and-automatic-carousel-switching-special-effects-code-sharing-jquery">jquery has index button and automatic carousel switching special effects code sharing_jquery</h3>
              <p>收录生活中的点点滴滴，精彩从此刻开始！</p>
              <a href="http://www.jb51.net/jiaoben/" data-log-id="150008" class="link-download" target="_blank" data-log-id="150001"><span>马上下载 </span><i class="bor_c"></i></a>
            </div>
          </div>
          <div class="banner banner2">
            <img src="/static/imghwm/default1.png"  data-src="images/banner2.jpg"  class="lazy" alt="jquery has index button and automatic carousel switching special effects code sharing_jquery">
            <div class="info">
              <h3 id="jquery-has-index-button-and-automatic-carousel-switching-special-effects-code-sharing-jquery">jquery has index button and automatic carousel switching special effects code sharing_jquery</h3>
              <p>收录生活中的点点滴滴，精彩从此刻开始！</p>
              <a href="http://www.jb51.net/jiaoben/" data-log-id="150008" class="link-download" target="_blank" data-log-id="150001"><span>马上下载 </span><i class="bor_c"></i></a>
            </div>
          </div>
          <div class="banner banner1">
            <img src="/static/imghwm/default1.png"  data-src="images/banner1.jpg"  class="lazy" alt="jquery has index button and automatic carousel switching special effects code sharing_jquery">
            <div class="info">
              <h3 id="jquery-has-index-button-and-automatic-carousel-switching-special-effects-code-sharing-jquery">jquery has index button and automatic carousel switching special effects code sharing_jquery</h3>
              <p>收录生活中的点点滴滴，精彩从此刻开始！</p>
              <a href="http://www.jb51.net/jiaoben/" data-log-id="150008" class="link-download" target="_blank" data-log-id="150001"><span>马上下载</span> <i class="bor_c"></i></a>
            </div>
          </div>
        </div>
        <div id="_focus" class="focus">
          <a data-index="0" href="#" class="on">
            <span class="bg-b"></span>
            <span class="inner"></span>
          </a>
          <a data-index="1" href="#">
            <span class="bg-b"></span>
            <span class="inner"></span>
          </a>
          <a data-index="2" href="#">
            <span class="bg-b"></span>
            <span class="inner"></span>
          </a>
          <a data-index="3" href="#">
            <span class="bg-b"></span>
            <span class="inner"></span>
          </a>   
        </div>
      </div>

    </div>

  </div>
<script type="text/javascript" src="js/jquery-1.8.3.min.js"></script>
<script type="text/javascript">

  var glume = function(banners_id, focus_id){
    this.$ctn = $('#' + banners_id);
    this.$focus = $('#' + focus_id);
    this.$adLis = null;
    this.$btns = null;
    this.switchSpeed = 5;//自动播放间隔(s)
    this.defOpacity = 1;
    this.crtIndex = 0;
    this.adLength = 0;
    this.timerSwitch = null;
    this.init();
  };
  glume.prototype = {
    fnNextIndex:function(){
      return (this.crtIndex >= this.adLength-1)&#63;0:this.crtIndex+1;
    },
    //动画切换
    fnSwitch:function(toIndex){
      if(this.crtIndex==toIndex){return;}
      this.$adLis.css('zIndex', 0);
      this.$adLis.filter(':eq('+this.crtIndex+')').css('zIndex', 2);
      this.$adLis.filter(':eq('+toIndex+')').css('zIndex', 1);
      this.$btns.removeClass('on');
      this.$btns.filter(':eq('+toIndex+')').addClass('on');
      var me = this;

      $(this.$adLis[this.crtIndex]).animate({
        opacity: 0
      }, 1000, function() {
        me.crtIndex = toIndex;
        $(this).css({
          opacity: me.defOpacity,
          zIndex: 0
        });
      });
    },
    fnAutoPlay:function(){
      this.fnSwitch(this.fnNextIndex());
    },
    fnPlay:function(){
      var me = this;
      me.timerSwitch = window.setInterval(function() {
        me.fnAutoPlay();
      },me.switchSpeed*1000);
    },
    fnStopPlay:function(){
      window.clearTimeout(this.timerSwitch);
      this.timerSwitch = null;
    },

    init:function(){
      this.$adLis = this.$ctn.children();
      this.$btns = this.$focus.children();
      this.adLength = this.$adLis.length;

      var me = this;
      //点击切换
      this.$focus.on('click', 'a', function(e) {
        e.preventDefault();
        var index = parseInt($(this).attr('data-index'), 10)
        me.fnSwitch(index);
      });
      this.$adLis.filter(':eq('+ this.crtIndex +')').css('zIndex', 2);
      this.fnPlay();

      //hover时暂停动画
      this.$ctn.hover(function() {
        me.fnStopPlay();
      }, function() {
        me.fnPlay();
      });

      if($.browser.msie && $.browser.version < 7) {
        this.$btns.hover(function() {
          $(this).addClass('hover');
        },function() {
          $(this).removeClass('hover');
        });
      }
    }
  };
  var player1 = new glume('_banners', '_focus');  
  </script>
</body>
</html>

The above is the special effect code with index button and automatic carousel switching based on jquery that I shared with you. I hope you can like it and apply it in practice.

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