JS实现的幻灯片切换显示效果


Posted in Javascript onSeptember 07, 2016

本文实例讲述了JS实现的幻灯片切换显示效果。分享给大家供大家参考,具体如下:

html:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>纯JS幻灯版</title>
<style type="text/css">
*{ margin:0; padding:0;}
#banner {width:1000px;text-align:left; background:#fff; margin:0 auto;}
#banner img{ display:block; float:left;}
.mainbox{ overflow:hidden; position:relative;}
.flashbox{ overflow:hidden; position:relative;}
.imagebox{ text-align:right;position:relative;z-index:999;}
.bitdiv{display:inline-block;width:18px;height:18px;margin:0 10px 10px 0px;cursor:pointer;float:right;}
.defimg{ background:url(styles/images/ppt_icon2.png);}
.curimg{background:url(styles/images/ppt_icon1.png);}
</style>
<script type="text/javascript" src="styles/js/ppt_ban.js"></script>
</head>
<body>
<div id="banner">
  <script>
   var box =new PPTBox();
   box.width = 1000; //宽度
   box.height = 226;//高度
   box.autoplayer = 3;//自动播放间隔时间
   //box.add({"url":"图片地址","title":"悬浮标题","href":"链接地址"})
   box.add({"url":"styles/images/fck_04.jpg","href":"###","title":"悬浮提示标题1"});
   box.add({"url":"styles/images/fck_04.jpg","href":"###","title":"悬浮提示标题1"});
   box.add({"url":"styles/images/fck_04.jpg","href":"###","title":"悬浮提示标题1"});
   box.add({"url":"styles/images/fck_04.jpg","href":"###","title":"悬浮提示标题1"});
   box.show();
  </script>
</div>
</body>
</html>

js:

function PPTBox()
{
  this.uid = PPTBoxHelper.getId();
  PPTBoxHelper.instance[this.uid] = this;
  this._$ = function(id){return document.getElementById(id);};
  this.width = 400;//宽度
  this.height = 300;//高度
  this.picWidth = 15;//小图宽度
  this.picHeight = 12;//小图高度
  this.autoplayer = 4;//自动播放间隔(秒)
  this.target = "_blank";
  this._box = [];
  this._curIndex = 0;
}
PPTBox.prototype =
{
  _createMainBox : function (){
    var flashBoxWidth = this.width * this._box.length;
    var html="<div id='"+this.uid+"_mainbox' class='mainbox' style='width:"+(this.width)+"px;height:"+(this.height)+"px;'>";
    html += "<div id='"+this.uid+"_flashbox' class='flashbox' style='width:"+flashBoxWidth+"px;height:"+(this.height)+"px;'></div>";
    html += "<div id='"+this.uid+"_imagebox' class='imagebox' style='width:"+this.width+"px;height:"+(this.picHeight)+"px;top:-"+(this.picHeight+20)+"px;'></div>";
    html += "</div>";
    document.write(html);
  },
  _init : function (){
    var picstyle= "";
    var eventstr = "PPTBoxHelper.instance['"+this.uid+"']";
    var imageHTML="";
    var flashbox = "";
    for(var i=0;i<this._box.length;i++){
      var parame = this._box[i];
      flashbox += this.flashHTML(parame.url,this.width,this.height,i);
      imageHTML ="<div class='bitdiv "+((i==0)?"curimg":"defimg")+"' title ="+parame.title+" src='bit01.gif' "+picstyle+" onclick = \""+eventstr+".clickPic("+i+")\" onmouseover=\""+eventstr+".mouseoverPic("+i+")\"></div>" + imageHTML;
    }
    this._$(this.uid+"_flashbox").innerHTML = flashbox;
    this._$(this.uid+"_imagebox").innerHTML = imageHTML;
  },
  _play : function(){
    clearInterval(this._autoplay);
    var idx = this._curIndex+1;
    if(idx>=this._box.length){idx=0;}
    this.changeIndex(idx);
    var eventstr = "PPTBoxHelper.instance['"+this.uid+"']._play()";
    this._autoplay = setInterval(eventstr,this.autoplayer*1000);
  },
  flashHTML : function(url,width,height,idx) {
    var isFlash = url.substring(url.lastIndexOf('.')+1).toLowerCase()=="swf";
    var html = "";
    if(isFlash){
      html = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' "
      + "codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0' width='"+width+"' height='"+height+"'>"
      + "<param name=\"movie\" value=\""+url+"\" />"
      + "<param name='quality' value='high' />"
      + "<param name='wmode' value='transparent'>"
      + "<embed src='"+url+"' quality='high' wmode='opaque' pluginspage='http://www.macromedia.com/go/getflashplayer'"
      +" type='application/x-shockwave-flash' width="+width+" height='"+height+"'></embed>"
      +" </object>";
    } else {
      var eventstr = "PPTBoxHelper.instance['"+this.uid+"']";
      var style = "";
      if(this._box[idx].href){
        style = "cursor:pointer"
      }
      html="<img src='"+url+"' style='width:"+width+"px;height:"+height+"px;"+style+"' onclick = \""+eventstr+".clickPic("+idx+")\"/>";
    }
    return html;
  },
  changeIndex : function(idx){
    var parame = this._box[idx];
    moveElement(this.uid+"_flashbox",-(idx*this.width),1);
    var imgs = this._$(this.uid+"_imagebox").getElementsByTagName("div");
    imgs[this._box.length-1-this._curIndex].className = "bitdiv defimg";
    imgs[this._box.length-1-idx].className = "bitdiv curimg";
    this._curIndex = idx;
  },
  mouseoverPic:function(idx){
    this.changeIndex(idx);
    if(this.autoplayer>0){
      clearInterval(this._autoplay);
      var eventstr = "PPTBoxHelper.instance['"+this.uid+"']._play()";
      this._autoplay = setInterval(eventstr,this.autoplayer*1000);
    }
  },
  clickPic:function(idx){
    var parame = this._box[idx];
    if(parame.href&¶me.href!=""){
      window.open(parame.href,this.target);
    }
  },
  add:function (imgParam){
    this._box[this._box.length] = imgParam;
  },
  show : function () {
    this._createMainBox();
    this._init();
    if(this.autoplayer>0){
      var eventstr = "PPTBoxHelper.instance['"+this.uid+"']._play()";
      this._autoplay = setInterval(eventstr,this.autoplayer*1000);
    }
  }
}
var PPTBoxHelper =
{
  count: 0,
  instance: {},
  getId: function() { return '_ppt_box-' + (this.count++); }
};
function moveElement(elementID,final_x,interval) {
 if (!document.getElementById) return false;
 if (!document.getElementById(elementID)) return false;
 var elem = document.getElementById(elementID);
 if (elem.movement) {
  clearTimeout(elem.movement);
 }
 if (!elem.style.left) {
  elem.style.left = "0px";
 }
 var xpos = parseInt(elem.style.left);
 if (xpos == final_x ) {
    return true;
 }
 if (xpos < final_x) {
  var dist = Math.ceil((final_x - xpos)/5);
  xpos = xpos + dist;
 }
 if (xpos > final_x) {
  var dist = Math.ceil((xpos - final_x)/5);
  xpos = xpos - dist;
 }
 elem.style.left = xpos + "px";
 var repeat = "moveElement('"+elementID+"',"+final_x+","+interval+")";
 elem.movement = setTimeout(repeat,interval);
}

效果图如下:

JS实现的幻灯片切换显示效果

希望本文所述对大家JavaScript程序设计有所帮助。

Javascript 相关文章推荐
用Javascript实现锚点(Anchor)间平滑跳转
Sep 08 Javascript
js自定义事件代码说明
Jan 31 Javascript
jquery $.trim()方法使用介绍
May 21 Javascript
jQuery插件实现表格隔行变色及鼠标滑过高亮显示效果代码
Feb 25 Javascript
纯JS焦点图特效实例(可一个页面多用)
Dec 07 Javascript
canvas绘制一个常用的emoji表情
Mar 30 Javascript
JavaScript用二分法查找数据的实例代码
Jun 17 Javascript
JS逻辑运算符短路操作实例分析
Jul 09 Javascript
mpvue+vant app搭建微信小程序的方法步骤
Feb 11 Javascript
js实现轮播图特效
May 28 Javascript
js实现滑动进度条效果
Aug 21 Javascript
vue 单页应用和多页应用的优劣
Oct 22 Javascript
javascript宿主对象之window.navigator详解
Sep 07 #Javascript
Angular 理解module和injector,即依赖注入
Sep 07 #Javascript
JS继承之借用构造函数继承和组合继承
Sep 07 #Javascript
Node.js读写文件之批量替换图片的实现方法
Sep 07 #Javascript
jQuery实现底部浮动窗口效果
Sep 07 #Javascript
聊一聊Vue.js过渡效果
Sep 07 #Javascript
BootStrap中的表单大全
Sep 07 #Javascript
You might like
用Flash图形化数据(二)
2006/10/09 PHP
解析php中array_merge与array+array的区别
2013/06/21 PHP
PHPMailer发送HTML内容、带附件的邮件实例
2014/07/01 PHP
PHP保存session到memcache服务器的方法
2016/01/19 PHP
php使用ffmpeg向视频中添加文字字幕的实现方法
2016/05/23 PHP
PHP实现的策略模式简单示例
2017/08/25 PHP
PHP编程实现的TCP服务端和客户端功能示例
2018/04/13 PHP
js+html+css实现鼠标移动div实例
2013/01/30 Javascript
Jquery右下角抖动、浮动 实例代码(兼容ie6、FF)
2013/08/15 Javascript
优化Jquery,提升网页加载速度
2013/11/14 Javascript
jquery制作 随机弹跳的小球特效
2015/02/01 Javascript
javascript性能优化之DOM交互操作实例分析
2015/12/12 Javascript
基于JS实现导航条flash导航条
2016/06/17 Javascript
jQuery 中ajax异步调用的四种方式
2016/06/28 Javascript
springMVC结合AjaxForm上传文件
2016/07/12 Javascript
Laravel中常见的错误与解决方法小结
2016/08/30 Javascript
Bootstrap媒体对象学习使用
2017/03/07 Javascript
js获取一组日期中最近连续的天数
2017/05/25 Javascript
vue项目接口域名动态获取操作
2020/08/13 Javascript
python双向链表实现实例代码
2013/11/21 Python
Python实现抓取网页并且解析的实例
2014/09/20 Python
python实现简单socket程序在两台电脑之间传输消息的方法
2015/03/13 Python
Python实现获取操作系统版本信息方法
2015/04/08 Python
PyChar学习教程之自定义文件与代码模板详解
2017/07/17 Python
Python基于socket实现简单的即时通讯功能示例
2018/01/16 Python
Python 中list ,set,dict的大规模查找效率对比详解
2019/10/11 Python
python3 Scrapy爬虫框架ip代理配置的方法
2020/01/17 Python
可能这些是你想要的H5软键盘兼容方案(小结)
2019/04/23 HTML / CSS
酒店出纳岗位职责
2013/12/29 职场文书
法人授权委托书
2014/04/03 职场文书
党风廉设责任书
2014/04/16 职场文书
文明礼貌演讲稿
2014/05/12 职场文书
2014年销售助理工作总结
2014/12/01 职场文书
学生上课迟到检讨书
2015/01/01 职场文书
写给老婆的保证书
2015/02/27 职场文书
教务处教学工作总结
2015/08/10 职场文书