一个已封装好的漂亮进度条

更新时间：2007年04月15日 00:00:00 作者：

<body> 
<input type="button" value="start" onclick="processBar.changeMode();if(processBar.isMoving){this.value='Stop';}else{this.value='Start';}"> 

</body> 
<script> 
document.execCommand("BackgroundImageCache",false,true); 

function ProcessBar(){ 
   this.width = 256; 
   this.height = 18; 
   this.top = 0; 
   this.left = 0; 
   this.backImg = "process_back.gif"; 
   this.foreImg = "process.gif"; 
   this.backDiv = document.createElement("div"); 
   this.foreDiv = document.createElement("div"); 
   this.fontDiv = document.createElement("div"); 

   this.isMoving = false; 
   this.nowLength = 0; 
   this.moveInterval = 100; 
   this.moveRange = 1; 
   this.timer; 

   ProcessBar.nowObj = this; 

   this.init = function(){ 
        this.foreDiv.style.backgroundImage = "url(" + this.foreImg + ")"; 
        this.foreDiv.style.backgroundRepeat = "no-repeat"; 
        this.foreDiv.style.position = "absolute"; 
        this.foreDiv.style.width = this.nowLength; 
        this.foreDiv.style.height = this.height; 
        this.foreDiv.style.top = 0; 
        this.foreDiv.style.left = 0; 

        this.fontDiv.style.background = "transparent"; 
        this.fontDiv.style.position = "absolute"; 
        this.fontDiv.style.width = this.width; 
        this.fontDiv.style.height = this.height; 
        this.fontDiv.style.top = 2; 
        this.fontDiv.style.left = 0; 
        this.fontDiv.style.textAlign = "center"; 
        this.fontDiv.style.fontSize = "13px"; 
        this.fontDiv.appendChild(document.createTextNode(" ")); 

        this.backDiv.style.backgroundImage = "url(" + this.backImg + ")"; 
        this.backDiv.style.backgroundRepeat = "no-repeat"; 
        this.backDiv.style.position = "absolute"; 
        this.backDiv.style.width = this.width; 
        this.backDiv.style.height = this.height; 
        this.backDiv.style.top = this.top; 
        this.backDiv.style.left = this.left; 

        this.backDiv.appendChild(this.foreDiv); 
        this.backDiv.appendChild(this.fontDiv); 

        document.body.appendChild(this.backDiv); 
   } 

   this.changeMode = function(){ 
        this.isMoving = !this.isMoving; 

        if(this.isMoving){ 
            this.timer = window.setInterval(ProcessBar.nowObj.moving, this.moveInterval); 
        }else{ 
            window.clearInterval(this.timer); 
        } 
   } 

   this.moving = function(){ 
        ProcessBar.nowObj.nowLength += ProcessBar.nowObj.moveRange; 
        ProcessBar.nowObj.foreDiv.style.width = ProcessBar.nowObj.nowLength; 

        ProcessBar.nowObj.fontDiv.firstChild.data = Math.ceil((ProcessBar.nowObj.nowLength/ProcessBar.nowObj.width )*100) + "%"; 

        if(ProcessBar.nowObj.nowLength >= ProcessBar.nowObj.width ){ 
            window.clearInterval(ProcessBar.nowObj.timer); 
            ProcessBar.nowObj.fontDiv.firstChild.data = "Complete!"; 
        } 
   } 

    
} 

var processBar = new ProcessBar(); 
processBar.backImg = "/upload/2007415102314868.gif"; processBar.foreImg = "/upload/2007415102319734.gif"; processBar.top = 100; 
processBar.left = 20; 
processBar.init(); 
</script>

<body> <input type="button" value="start" onclick="processBar.changeMode();if(processBar.isMoving){this.value='Stop';}else{this.value='Start';}"> </body> <script> document.execCommand("BackgroundImageCache",false,true); function ProcessBar(){    this.width = 256;    this.height = 18;    this.top = 0;    this.left = 0;    this.backImg = "process_back.gif";    this.foreImg = "process.gif";    this.backDiv = document.createElement("div");    this.foreDiv = document.createElement("div");    this.fontDiv = document.createElement("div");    this.isMoving = false;    this.nowLength = 0;    this.moveInterval = 100;    this.moveRange = 1;    this.timer;    ProcessBar.nowObj = this;    this.init = function(){         this.foreDiv.style.backgroundImage = "url(" + this.foreImg + ")";         this.foreDiv.style.backgroundRepeat = "no-repeat";         this.foreDiv.style.position = "absolute";         this.foreDiv.style.width = this.nowLength;         this.foreDiv.style.height = this.height;         this.foreDiv.style.top = 0;         this.foreDiv.style.left = 0;                  this.fontDiv.style.background = "transparent";         this.fontDiv.style.position = "absolute";         this.fontDiv.style.width = this.width;         this.fontDiv.style.height = this.height;         this.fontDiv.style.top = 2;         this.fontDiv.style.left = 0;         this.fontDiv.style.textAlign = "center";         this.fontDiv.style.fontSize = "13px";         this.fontDiv.appendChild(document.createTextNode(" "));         this.backDiv.style.backgroundImage = "url(" + this.backImg + ")";         this.backDiv.style.backgroundRepeat = "no-repeat";         this.backDiv.style.position = "absolute";         this.backDiv.style.width = this.width;         this.backDiv.style.height = this.height;         this.backDiv.style.top = this.top;         this.backDiv.style.left = this.left;         this.backDiv.appendChild(this.foreDiv);         this.backDiv.appendChild(this.fontDiv);         document.body.appendChild(this.backDiv);    }    this.changeMode = function(){         this.isMoving = !this.isMoving;                  if(this.isMoving){             this.timer = window.setInterval(ProcessBar.nowObj.moving, this.moveInterval);         }else{             window.clearInterval(this.timer);         }    }    this.moving = function(){         ProcessBar.nowObj.nowLength += ProcessBar.nowObj.moveRange;         ProcessBar.nowObj.foreDiv.style.width = ProcessBar.nowObj.nowLength;         ProcessBar.nowObj.fontDiv.firstChild.data = Math.ceil((ProcessBar.nowObj.nowLength/ProcessBar.nowObj.width)*100) + "%";         if(ProcessBar.nowObj.nowLength >= ProcessBar.nowObj.width){             window.clearInterval(ProcessBar.nowObj.timer);             ProcessBar.nowObj.fontDiv.firstChild.data = "Complete!";         }    }     } var processBar = new ProcessBar(); processBar.width=327 processBar.backImg = "/upload/2007415102319929.jpg"; processBar.foreImg = "/upload/2007415102319777.jpg"; processBar.top = 100; processBar.left = 20; processBar.init(); </script>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

一个已封装好的漂亮进度条

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