WEB开发网
开发学院网页设计JavaScript JavaScript 无缝八向滚动(兼容ie/ff) 阅读

JavaScript 无缝八向滚动(兼容ie/ff)

 2010-09-14 13:27:36 来源:WEB开发网   
核心提示:<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmln

<!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=gb2312" />
<title>JavaScript 无缝八向滚动(兼容ie/ff)</title>
</head>
<body>
<script type="text/javascript">
var $ = function (id) {
  return "string" == typeof id ? document.getElementById(id) : id;
};
  
var Class = {
 create: function() {
  return function() {
   this.initialize.apply(this, arguments);
  }
 }
}
  
Object.extend = function(destination, source) {
  for (var property in source) {
    destination[property] = source[property];
  }
  return destination;
}
  
function addEventHandler(oTarget, sEventType, fnHandler) {
  if (oTarget.addEventListener) {
    oTarget.addEventListener(sEventType, fnHandler, false);
  } else if (oTarget.attachEvent) {
    oTarget.attachEvent("on" + sEventType, fnHandler);
  } else {
    oTarget["on" + sEventType] = fnHandler;
  }
};
  
var Scroller = Class.create();
Scroller.prototype = {
 initialize: function(idScroller, idScrollMid, options) {
  var oScroll = this, oScroller = $(idScroller), oScrollMid = $(idScrollMid);
  
  this.SetOptions(options);
  this.scroller = oScroller;      //对象
  this.timer = null;          //时间
  this.Side = [];            //方向
  this.side = 0;            //参数
  
  //方向设置
  switch (this.options.Side.toLowerCase()) {
    case "right-down" :
      this.Side = ["right", "down"];
      break;
    case "right-up" :
      this.Side = ["right", "up"];
      break;
    case "left-down" :
      this.Side = ["left", "down"];
      break;
    case "left-up" :
      this.Side = ["left", "up"];
      break;
    case "right" :
      this.Side = ["right"];
      break;
    case "left" :
      this.Side = ["left"];
      break;
    case "down" :
      this.Side = ["down"];
      break;
    case "up" :
    default :
      this.Side = ["up"];
  }
  
  //用于上下滚动
  this.heightScroller = parseInt(oScroller.style.height) || oScroller.offsetHeight;
  this.heightList = oScrollMid.offsetHeight;
  
  //用于左右滚动
  this.widthScroller = parseInt(oScroller.style.width) || oScroller.offsetWidth;
  this.widthList = oScrollMid.offsetWidth;
  
  //js取不到css设置的height和width
  
  oScroller.style.overflow = "hidden";
  oScrollMid.appendChild(oScrollMid.cloneNode(true));
  oScrollMid.appendChild(oScrollMid.cloneNode(true));
  
  addEventHandler(oScroller, "mouseover", function() { oScroll.Stop(); });
  addEventHandler(oScroller, "mouseout", function() { oScroll.Start(); });
  
  this.Start();
 },
 //设置默认属性
 SetOptions: function(options) {
  this.options = {//默认值
   Step:      1,//每次变化的px量
   Speed:    20,//速度(越大越慢)
   Side:      "up"//滚动方向:"up"是上,"down"是下,"left"是左,"right"是右
  };
  Object.extend(this.options, options || {});
 },
 //上下滚动
 ScrollUpDown: function() {
  this.scroller.scrollTop = this.GetScroll(this.scroller.scrollTop, this.heightScroller, this.heightList);
  
  var oThis = this;
  this.timer = window.setTimeout(function(){ oThis.Start(); }, this.options.Speed);
 },
 //左右滚动
 ScrollLeftRight: function() {
  //注意:scrollLeft超过1400会自动变回1400 注意长度
  this.scroller.scrollLeft = this.GetScroll(this.scroller.scrollLeft, this.widthScroller, this.widthList);
  
  var oThis = this;
  this.timer = window.setTimeout(function(){ oThis.Start(); }, this.options.Speed);
 },
 //获取设置滚动数据
 GetScroll: function(iScroll, iScroller, iList) {
  if(this.side > 0){
    if(iScroll >= (iList * 2 - iScroller)){ iScroll -= iList; }
  } else {
    if(iScroll <= 0){ iScroll += iList; }
  }
  
  return (iScroll + this.options.Step * this.side);
 },
 //开始
 Start: function() {
  
  this.Side.push(this.Side.shift().toLowerCase());
  
  //document.getElementById("test").innerHTML+=s+",";
  
  //方向设置
  switch (this.Side[0].toLowerCase()) {
    case "right" :
      if(this.widthList < this.widthScroller) return;
      this.side = -1;
      this.ScrollLeftRight();
      break;
    case "left" :
      if(this.widthList < this.widthScroller) return;
      this.side = 1;
      this.ScrollLeftRight();
      break;
    case "down" :
      if(this.heightList < this.heightScroller) return;
      this.side = -1;
      this.ScrollUpDown();
      break;
    case "up" :
    default :
      if(this.heightList < this.heightScroller) return;
      this.side = 1;
      this.ScrollUpDown();
  }
 },
 //停止
 Stop: function() {
  clearTimeout(this.timer);
 }
};
  
window.onload = function(){
  new Scroller("idScroller", "idScrollMid",{ Side:"left-down" });
  new Scroller("idScroller1", "idScrollMid1",{ Side:"left-up" });
  new Scroller("idScroller2", "idScrollMid2",{ Side:"right-down" });
  new Scroller("idScroller3", "idScrollMid3",{ Side:"right-up" });
  
  new Scroller("idScroller4", "idScrollMid4",{ Side:"left-up" });
  new Scroller("idScroller5", "idScrollMid5",{ Side:"right-up" });
  new Scroller("idScroller6", "idScrollMid6",{ Side:"left-down" });
  new Scroller("idScroller7", "idScrollMid7",{ Side:"right-down" });
  
  new Scroller("idScroller8", "idScrollMid8",{ Side:"right-down" });
  new Scroller("idScroller9", "idScrollMid9",{ Side:"left-down" });
  new Scroller("idScroller10", "idScrollMid10",{ Side:"right-up" });
  new Scroller("idScroller11", "idScrollMid11",{ Side:"left-up" });
}
</script>
<style>
*{}{margin:0px; padding:0px;}
  
.Scroller {}{line-height:50px;overflow:hidden; border:1px solid #000000;}
.ScrollMid {}{float:left;}
.ScrollMid ul{}{width:250px;float:left;overflow:hidden;}
.ScrollMid li{}{list-style:none;}
  
.Scroller2 {}{overflow:hidden;float:left;}
.ScrollMid2 {}{float:left;}
.ScrollMid2 ul{}{width:100px;height:100px;float:left;overflow:hidden;}
.ScrollMid2 li{}{list-style:none; width:100px; height:100px;}
</style>
<div id="idScroller" class="Scroller" style="width:250px; height:50px;">
 <div style="width:500px">
  <div id="idScrollMid" class="ScrollMid">
   <ul>
    <li> <a href="http://shundebk.cn/">1111111111111111111111</a></li>
   </ul>
  </div>
 </div>
</div>
<br />
<br />
<div id="idScroller1" class="Scroller" style="width:250px; height:50px;">
 <div style="width:500px">
  <div id="idScrollMid1" class="ScrollMid">
   <ul>
    <li> <a href="http://shundebk.cn/">1111111111111111111111</a></li>
   </ul>
  </div>
 </div>
</div>
<br />
<br />
<div id="idScroller2" class="Scroller" style="width:250px; height:50px;">
 <div style="width:500px">
  <div id="idScrollMid2" class="ScrollMid">
   <ul>
    <li> <a href="http://shundebk.cn/">1111111111111111111111</a></li>
   </ul>
  </div>
 </div>
</div>
<br />
<br />
<div id="idScroller3" class="Scroller" style="width:250px; height:50px;">
 <div style="width:500px">
  <div id="idScrollMid3" class="ScrollMid">
   <ul>
    <li> <a href="http://shundebk.cn/">1111111111111111111111</a></li>
   </ul>
  </div>
 </div>
</div>
  
<br /><br />
  
<div style="width:200px;">
 <div id="idScroller4" class="Scroller2" style="width:100px; height:100px;">
  <div style="width:200px">
   <div id="idScrollMid4" class="ScrollMid2">
    <ul>
     <li style="background:url(1.gif);"> </li>
    </ul>
   </div>
  </div>
 </div>
 <div id="idScroller5" class="Scroller2" style="width:100px; height:100px;">
  <div style="width:200px">
   <div id="idScrollMid5" class="ScrollMid2">
    <ul>
     <li style="background:url(2.gif);"> </li>
    </ul>
   </div>
  </div>
 </div>
 <div id="idScroller6" class="Scroller2" style="width:100px; height:100px;">
  <div style="width:200px">
   <div id="idScrollMid6" class="ScrollMid2">
    <ul>
     <li style="background:url(2.gif);"> </li>
    </ul>
   </div>
  </div>
 </div>
 <div id="idScroller7" class="Scroller2" style="width:100px; height:100px;">
  <div style="width:200px">
   <div id="idScrollMid7" class="ScrollMid2">
    <ul>
     <li style="background:url(1.gif);"> </li>
    </ul>
   </div>
  </div>
 </div>
</div>
  
<br /><br />
<div style="width:200px;">
 <div id="idScroller8" class="Scroller2" style="width:100px; height:100px;">
  <div style="width:200px">
   <div id="idScrollMid8" class="ScrollMid2">
    <ul>
     <li style="background:url(2.gif);"> </li>
    </ul>
   </div>
  </div>
 </div>
 <div id="idScroller9" class="Scroller2" style="width:100px; height:100px;">
  <div style="width:200px">
   <div id="idScrollMid9" class="ScrollMid2">
    <ul>
     <li style="background:url(1.gif);"> </li>
    </ul>
   </div>
  </div>
 </div>
 <div id="idScroller10" class="Scroller2" style="width:100px; height:100px;">
  <div style="width:200px">
   <div id="idScrollMid10" class="ScrollMid2">
    <ul>
     <li style="background:url(1.gif);"> </li>
    </ul>
   </div>
  </div>
 </div>
 <div id="idScroller11" class="Scroller2" style="width:100px; height:100px;">
  <div style="width:200px">
   <div id="idScrollMid11" class="ScrollMid2">
    <ul>
     <li style="background:url(2.gif);"> </li>
    </ul>
   </div>
  </div>
 </div>
</div>
<div id="test"></div>
</body>
</html>

1 2  下一页

Tags:JavaScript 无缝 滚动

编辑录入:爽爽 [复制链接] [打 印]
赞助商链接