很强的页面Loading载入效果

本栏首页分类：菜单导航层和布局背景特效 CSS相关文本链接表格相关日期时间图片特效页面综合广告代码表单及按钮计算转换游戏娱乐其它

很强的页面Loading载入效果

标签：loading 载入动画　时间：2009-01-11　已阅读：
从老外网站挖下来的，一个实用的页面LOADING……载入效果，用的JS比较多，当然有些是为了能够演示看到效果而故意加上去的，实际应用中你可以研究一下去掉这些效果，那才是真正的LOADING。

<html>
<head>
<title>EasyScript - Exemple</title>
<SCRIPT LANGUAGE="JavaScript">
window.defaultStatus="LoadingBar";
</SCRIPT>
<STYLE TYPE="text/css">BODY {scrollbar-face-color: #0069B3; scrollbar-shadow-color: #000000;scrollbar-highlight-color: #FFFFFF;scrollbar-3dlight-color: #000000; scrollbar-darkshadow-color: #000000; scrollbar-track-color: #0069B3; scrollbar-arrow-color: #FFCC00;}</STYLE>
<style type="text/css">
#divLoadCont {position:absolute; z-index:500; left:0px; top:0px; width:100%; height:98%; clip:rect(0px 100% 100% 0px); background-color:#0069B3; layer-background-color:#ffffff;}
#divLoad1    {position:absolute; layer-background-color:silver; background-color:#EEEEEE;}
#divLoad2    {position:absolute; left:0px; top:0px; layer-background-color:navy; background-color:#DCDCDC;}
#divLoadText {position:absolute; background-color:transparent; font-family:courier new,verdana,arial,helvetica,sans-serif; font-weight:bold; color:#0069B3; font-size:18px;} 
</style>
<script language="JavaScript" type="text/javascript">
function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw=new lib_bwcheck()
numImages = 20
loaderWidth = 250
var px = bw.ns4||window.opera?"":"px";
currentImg = 0
function lib_doc_size(){ 
  this.x=0;this.x2=bw.ie && document.body.offsetWidth-20||innerWidth||0;
  this.y=0;this.y2=bw.ie && document.body.offsetHeight-5||innerHeight||0;
  if(!this.x2||!this.y2) return message('Document has no width or height') 
  this.x50=this.x2/2;this.y50=this.y2/2;
  return this;
}

//Lib objects  ********************
function lib_obj(obj,nest){ 
  nest=(!nest) ? "":'document.'+nest+'.'
  this.evnt=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers." +obj):0;	
  this.css=bw.dom||bw.ie4?this.evnt.style:this.evnt; 
  this.ref=this.css
  this.w=this.evnt.offsetWidth||this.css.clip.width||
    this.ref.width||this.css.pixelWidth||0; 
  return this
}
//Moving object to **************
lib_obj.prototype.moveIt = function(x,y){
  this.x=x; this.y=y; this.css.left=x+px; this.css.top=y+px;
}
//Clipping object to ******
lib_obj.prototype.clipTo = function(t,r,b,l,setwidth){ 
  this.ct=t; this.cr=r; this.cb=b; this.cl=l
  if(bw.ns4){
    this.css.clip.top=t;this.css.clip.right=r
    this.css.clip.bottom=b;this.css.clip.left=l
  }else{
    if(t<0)t=0;if(r<0)r=0;if(b<0)b=0;if(b<0)b=0
    this.css.clip="rect("+t+"px "+r+"px "+b+"px "+l+"px)";
    if (setwidth){
		this.css.pixelWidth = r;
		this.css.pixelHeight = b;
		this.css.width = r+px; 
		this.css.height = b+px;
	}
  }
}
var oLoad2
function startLoading(){
  page = new lib_doc_size()
  oLoadCont = new lib_obj('divLoadCont')
  oLoad = new lib_obj('divLoad1','divLoadCont')
  oLoad2 = new lib_obj('divLoad2','divLoadCont.document.divLoad1')
  oLoadText = new lib_obj('divLoadText','divLoadCont.document.divLoad1')
  oLoad.moveIt(page.x50-loaderWidth/2,page.y50-20)
  oLoadText.moveIt(loaderWidth/2 - oLoadText.w/2,10)
  oLoad.clipTo(0,loaderWidth,40,0,1)
  oLoad2.per = loaderWidth/numImages
}
function loadIt(ok){
  currentImg ++
  if (oLoad2) oLoad2.clipTo(0,oLoad2.per*currentImg,40,0,1)
  if (!ok){
    oLoadCont.css.visibility = "hidden"
    oLoadCont = null;
	oLoad1 = null;
	oLoad2 = null;
  }
}

function loadIt_display(ok){
  currentImg ++
  if (oLoad2) oLoad2.clipTo(0,oLoad2.per*currentImg,40,0,1)
  if (currentImg<=numImages) setTimeout("loadIt_display(1)",200)
  else{
    oLoadCont.css.visibility = "hidden"
  }
}
</script>
</head>
<body bgcolor="#0069B3">
<div id="divLoadCont">
  <div id="divLoad1">
    <div id="divLoad2"></div><br>
    <div id="divLoadText">Loading...</div>
  </div>
</div>
<script>
startLoading()
loadIt_display(1) 
</script>
</body>
</html>

很强的页面Loading载入效果

本类推荐代码

本类阅读排行

最新源码下载