兼容所有浏览器的js图片切换代码

网页特效

网站首页菜单导航日期时间背景图像图层样式鼠标键盘页面窗口色彩表格链接文字表单按钮计数转换游戏娱乐综合实例

热点推荐: 英文字体人民币汇率
dw插件站长常用软件
alexa排名查询

您的位置: 网页特效 -> 背景图像 -> 兼容所有浏览器的js图片切换代码

兼容所有浏览器的js图片切换代码

作者:admin 发布时间:2010-5-26 22:09:02 发布人: admin

<style type="text/css">
*{margin:0;padding:0;}
#ifocus2 { width:748px; height:80px;}
#www_zzjs_net { display:inline; position:relative; float:left; width:748px; height:80px; overflow:hidden; }
#ifocus_piclist2 { position:absolute; }
#ifocus_piclist2 ul{margin:0px;padding:0px;list-style-type:none;}
#ifocus_piclist2 li { width:748px; height:80px; overflow:hidden;margin:0px;padding:0px; }
#ifocus_piclist2 img { width:748px; height:80px; border:0px;}
#ifocus_btn2 { position:absolute; right:4px; bottom:2px; color:#a25897; }
#ifocus_btn2 .zzjs_net li {
 float:left;
 display:inline;
 width:16px;
 height:16px;
 line-height:16px;
 margin-left:3px;
 text-align:center;
 color:#595959;
 cursor:pointer;
}
#ifocus_btn2 .zzjs_net li.current {
 background-color:#ffffff;
 font-weight:bold;
 color:#ff4e00;
} 
#ifocus_btn2 .bg {
 z-index:1;
 position:absolute;
 right:2px;
 bottom:2px;
 width:95px;
 height:16px;
}
#ifocus_btn2 .bg li {
 float:left;
 display:inline;
 width:14px;
 height:16px;
 line-height:16px;
 margin-left:3px;
 background-color:#fff;
 filter:alpha(opacity=50);-moz-opacity:0.5;opacity:0.5;background-color:#ffffff;font-size:0;
 text-align:center;
 color:#595959;
 font-size:0;
}
</style>
<script language="javascript">
//1
/**
 * 根据id获取对象
 */
function $(id) {
 return document.getElementById(id);
}
/**
 * 添加页面加载完毕后要执行的方法
 */
function addLoadEvent(func){
 var oldonload = window.onload;
 if (typeof window.onload != 'function') {
  window.onload = func;
 } else {
  window.onload = function(){
   oldonload();
   func();
  }
 }
}
/**
 * 添加页面加载完毕后要执行的方法
 */
function addOnLoadEvent(invoker, func){
 var oldonload = window.onload;
 if (typeof window.onload != 'function') {
  window.onload = function() {
   func.apply(invoker);
  }
 } else {
  window.onload = function(){
   oldonload();
   func.apply(invoker);
  }
 }
}
/**
 * 扩展Array, 为原型增加一个判断是否包含传入的值的方法
 */
Array.prototype.contains = function(_val) {
 for (var i = 0; i < this.length; i++) {
  if (this[i] == _val) {
   return true;
  }
 }
 return false;
}
/**
 * 增加一个扩展window.setTimeout的函数
 */
var cusSetTimeout = function(invoker, fRef, mDelay) {
 if (typeof fRef == "function") {
  var argu = Array.prototype.slice.call(arguments, 3);
  var f = (function() {
   fRef.apply(invoker, argu);
  });
  return setTimeout(f, mDelay); // window.setTimeout原来有返回值，这里重写也应该返回
 }
 return setTimeout(fRef, mDelay); // 相当于setTimeout("test()", timeout);
}
/**
 * 增加一个扩展window.setInterval的函数
 */
var cusSetInterval = function(invoker, fRef, mDelay) {
 if (typeof fRef == "function") {
  var argu = Array.prototype.slice.call(arguments, 3);
  var f = (function() {
   fRef.apply(invoker, argu);
  });
  return setInterval(f, mDelay); // window.setInterval原来有返回值，这里重写也应该返回
 }
 return setInterval(fRef, mDelay); // 相当于setInterval("test()", timeout);
}
//2
/**
 * 焦点图类. 
 * 创建实例时, 需同时将实例名称传进去
 *///欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
function FocusPicture(fname, ifocus, ifocus_piclist, ifocus_btn, normal, current, imageHeight, maxCurrentNum, autoChangeInterval) {
 this.instanceName = fname; // 类实例名称
 this.ifocus = ifocus ? ifocus : "ifocus"; // 焦点图外围div的ID
 this.ifocusPicList = ifocus_piclist ? ifocus_piclist : "ifocus_piclist"; // 焦点图图片显示区域外围div的ID
 this.ifocusBtn = ifocus_btn ? ifocus_btn : "ifocus_btn"; // 焦点图感应按钮外转div的ID
 this.normalClassName = normal ? normal : "normal"; // 按钮正常时的class样式
 this.currentClassName = current ? current : "current"; // 按钮选中时的class样式
 this.imageHeight = imageHeight ? imageHeight : 80; // 图片高度, 用于图片滑动, 即滑动一张图片的高度
 this.maxCurrentNum = maxCurrentNum ? maxCurrentNum : 4; // 最大当前选中的图片号, 从0开始, 3表示第四张 
 this.autoChangeInterval = autoChangeInterval ? autoChangeInterval : 4000; // 图片轮换的时间间隔, 单位为毫秒
 this.isAutoChange = true; // 设置是否自动更换图片, 为true表示自动更换, 为false表示停止
 this.slideSpeed = 20; // 图片滑行速度, 值越大, 速度越慢
 this.invokeInterval = 5; // 循环调用moveElement函数的时间间隔, 单位为毫秒
 this.setIsAutoChange = function(flag) {
  this.isAutoChange = flag;
 }
 /**
  * 设置图片滑动方法, 每调用一次, 调整一点, 循环调用调整到指定位置
  *
  * @param elementID 图片div的ID
  * @param final_x 调整后的x坐标
  * @param final_y 调整后的y坐标
  */
 this.moveElement = function(elementID, final_x, final_y) {
  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";
  } 
  if (!elem.style.top) {
   elem.style.top = "0px";
  } 
  var xpos = parseInt(elem.style.left);
  var ypos = parseInt(elem.style.top);  
  if (xpos == final_x && ypos == final_y) {
   return true;
  }
  if (xpos < final_x) {
   var dist = Math.ceil((final_x - xpos) / this.slideSpeed);
   xpos = xpos + dist;
  } 
  if (xpos > final_x) {
   var dist = Math.ceil((xpos - final_x) / this.slideSpeed);
   xpos = xpos - dist;
  } 
  if (ypos < final_y) {
   var dist = Math.ceil((final_y - ypos) / this.slideSpeed);
   ypos = ypos + dist;
  } 
  if (ypos > final_y) {
   var dist = Math.ceil((ypos - final_y) / this.slideSpeed);
   ypos = ypos - dist;
  } 
  elem.style.left = xpos + "px";
  elem.style.top = ypos + "px";  
  elem.movement = cusSetTimeout(this, this.moveElement, this.invokeInterval, elementID, final_x, final_y);
 } 
 /**
  * 设置按钮正常样式
  */
 this.classNormal = function(iFocusBtnID){
  var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li'); // 按钮
  for(var i=0; i < iFocusBtns.length; i++) { // 设置按钮和描述正常样式
   iFocusBtns[i].className = this.normalClassName;
  }
 }
 /**
  * 设置按钮选中样式
  */
 this.classCurrent = function(iFocusBtnID, n){
  if (n >= this.maxCurrentNum)
  {
   n = this.maxCurrentNum ;
  }
  var iFocusBtns= $(iFocusBtnID).getElementsByTagName('li');
  // 设置按钮和描述当前选中的样式
  iFocusBtns[n].className = this.currentClassName;
  
 }
 /**
  * 页面加载完毕后执行方法.
  * 
  */
 this.iFocusChange = function() {
  //alert(this.ifocus + " " + $(this.ifocus) + " " + (this == window)); 
  if (!$(this.ifocus))
   return false;
  // 当前调用的实例对象
  var instance = eval(this.instanceName);
  $(this.ifocus).instance = instance;
  // 鼠标经过时图片区域时停止轮转
  $(this.ifocus).onmouseover = function() {
   this.instance.setIsAutoChange(false);
  };
  // 鼠标离开时图片区域时继续轮转
  $(this.ifocus).onmouseout = function() {
   this.instance.setIsAutoChange(true);
  };
  var iFocusBtns = $(this.ifocusBtn).getElementsByTagName('li');
  var listLength = iFocusBtns.length;
  this.maxCurrentNum = listLength -1
  iFocusBtns[0].instance = instance;
  iFocusBtns[0].ifocusPicList = this.ifocusPicList;
  iFocusBtns[0].ifocusBtn = this.ifocusBtn;
  iFocusBtns[0].onmouseover = function() {
   this.instance.moveElement(this.ifocusPicList, 0, 0, 5);
   this.instance.classNormal(this.ifocusBtn);
   this.instance.classCurrent(this.ifocusBtn, 0);
  }
  for (var i = 1; i < listLength; i++) {
   iFocusBtns[i].instance = instance;
   iFocusBtns[i].ifocusPicList = this.ifocusPicList;
   iFocusBtns[i].ifocusBtn = this.ifocusBtn;
   iFocusBtns[i].value = i;
   iFocusBtns[i].yAxis = -i * this.imageHeight;
   iFocusBtns[i].onmouseover = function() {
    this.instance.moveElement(this.ifocusPicList, 0, this.yAxis);
    this.instance.classNormal(this.ifocusBtn);
    this.instance.classCurrent(this.ifocusBtn, this.value); // 直接把i设到this.value的位置就不行了, 调用时i会随for循环的改变而改变
   }
  }
 }//欢迎来到站长特效网，我们的网址是http://myjs.jz123.cn，还有许多广告代码下载。
 /**
  * 定时调用该方法, 可以使图片自动更换
  */
 this.autoiFocus = function() {
  if(!$(this.ifocus)) return false;
  // 停止轮转
  if (!this.isAutoChange) return false;  
  // 获取所有按钮
  var focusBtnList = $(this.ifocusBtn).getElementsByTagName('li');
  var listLength = focusBtnList.length; 
  // 找到当前显示的按钮索引号
  for (var i = 0; i < listLength; i++) {
   if (focusBtnList[i].className == this.currentClassName) {
    var currentNum = i;
    break;
   }
  }  
  // 如果当前在最后一个图片, 则显示第一张
  if (currentNum == this.maxCurrentNum ){
   this.moveElement(this.ifocusPicList, 0, 0);
   this.classNormal(this.ifocusBtn);
   this.classCurrent(this.ifocusBtn, 0);
  } else { // 直接显示下一张
   this.moveElement(this.ifocusPicList, 0, -(currentNum + 1) * this.imageHeight);
   this.classNormal(this.ifocusBtn);
   this.classCurrent(this.ifocusBtn, currentNum + 1);
  }
 }
 /**
  * 启动图片自动轮转的定时器
  */
 this.startAutoChange = function() {
  cusSetInterval(this, this.autoiFocus, this.autoChangeInterval);
  // setInterval(this.autoiFocus, this.autoChangeInterval); //这样调用的话, 好像this的调用者会变成window
 }
}//欢迎来到站长特效网，我们的网址是http://myjs.jz123.cn，还有许多广告代码下载。
//3
var focusPictureC = new FocusPicture("focusPictureC", "ifocus2", "ifocus_piclist2", "ifocus_btn2", "normal", "current", "80", "4", "5000");
focusPictureC.startAutoChange();
addOnLoadEvent(focusPictureC, focusPictureC.iFocusChange);
</script>

<div id="ifocus2">
<div id="www_zzjs_net">
  <div id="ifocus_piclist2" style="left:0; top:0; height:auto">
    <ul>
 <li><a href="http://web.archive.org/web/20150530053524/http://myjs.jz123.cn/" target="_blank" title="站长特效网！"><img src="http://web.archive.org/web/20150530053524im_/http://www.jz123.cn/kanli/x55la.gif" width="748" height="80" border="0"/></a></li>
 <li><a href="http://web.archive.org/web/20150530053524/http://myjs.jz123.cn/" target="_blank" title="站长特效网！"><img src="http://web.archive.org/web/20150530053524im_/http://www.jz123.cn/adfile/39idc.gif" width="748" height="80" border="0"/></a></li>
 <li><a href="http://web.archive.org/web/20150530053524/http://myjs.jz123.cn/" target="_blank" title="站长特效网！"><img src="http://web.archive.org/web/20150530053524im_/http://www.jz123.cn/adfile/95.gif" width="748" height="80" border="0"/></a></li>
 <li><a href="http://web.archive.org/web/20150530053524/http://myjs.jz123.cn/" target="_blank" title="站长特效网！"><img src="http://web.archive.org/web/20150530053524im_/http://www.jz123.cn/ad/xm.gif" width="748" height="80" border="0"/></a></li>
 <li><a href="http://web.archive.org/web/20150530053524/http://myjs.jz123.cn/" target="_blank" title="站长特效网！"><img src="http://web.archive.org/web/20150530053524im_/http://www.jz123.cn/ad/yh60.gif" width="748" height="80" border="0"/></a></li>
    </ul>
</div>
<div id="ifocus_btn2">
   <ul class="zzjs_net">
    <li class="current">1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
    <li>5</li>
  </ul>
</div>
</div>

兼容所有浏览器的js图片切换代码

将本文收藏到QQ书签与更多好友分享

上一篇：文章：团购网商城分货费自动计算的JS脚本下一篇：文章：蜘蛛侠鼠标代码