一个已封装好的漂亮进度条

一个已封装好的漂亮进度条

一个已封装好的漂亮进度条

一个已封装好的漂亮进度条

一个已封装好的漂亮进度条

  

复制代码 代码如下:

  <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>

  

   [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]