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
屏蔽Flash右键信息的js代码
JavaScript QueryString解析类代码
JavaScript写的一个自定义弹出式对话框代码
js限制输入框可输入字节数代码
JS与框架页的操作代码
jQuery+CSS 实现的超Sexy下拉菜单
使用IE6看老赵的博客 jQuery初探
jQuery UI.Layout Plug-in做框架
jQuery框架实例代码分析
JS通用代码:Tab选项卡通用js代码
JavaScript脚本的void(0)究竟是何含义
9个优秀的JavaScript实现的评级投票插件教程
jQuery最出色的是 API 设计
jquery团队发布jquery 1.4
jQuery 1.4:15个新特性和优化增强
jQuery插件分享:Flash/MP3/Video多媒体插件
jQuery 1.4官方文档详细讲述新特性功能
网页每次加载调用不同CSS样式表
JQuery知识:20个jQuery教程+11个jQuery插件
制作Web电子表格的jQuery插件:jQuery.sheet

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: 61 ::
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]