当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 一个已封装好的漂亮进度条

Javascript
Javascript实例教程(12) 隐藏script代码
Javascript实例教程(11) 创建\"后退\"按钮
HTC：浏览器上的舞者
JavaScript 小技巧(第四集)
Javascript实例教程(20) 使用HoTMetal(7)
点一下，首页地址添加到收藏夹(javascript)
Javascript设计漫天雪花
Javascript实例教程(21) OLE Automation(2)
Javascript实例教程(20) 使用HoTMetal(3)
Javascript制作闪烁的边框
JavaScript对象与数组参考大全
Javascript实例教程(21) OLE Automation(3)
利用JavaScript制作倒计时牌
Javascript实例教程(5) 利用Javascript创建对象
利用JAVASCRIPT制作简单动画
Javascript实例教程(15) JS代替CGI
Javascript实例教程(19) 数组
JavaScript[对象.属性]集锦之三
Javascript实例教程(21) OLE Automation(6)
JavaScript 小技巧(第一集)

No. « 9 10 11 12 »

技术文章搜索

关键字

Javascript 中的 一个已封装好的漂亮进度条

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-10-12   浏览: 72 ::
收藏到网摘: n/a





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/tech/20091012/20091012084645_7647966b7343c29048673252e490f736.gif"; processBar.foreImg = "/upload/tech/20091012/20091012084648_f0935e4cd5920aa6c7c996a5ee53a70f.gif"; processBar.top = 100;
processBar.left = 20;
processBar.init();
</script>

点击运行可以看到效果:
[Ctrl+A 全选 提示:你可先修改部分代码,再按运行]