记要:extjs4.0学习3-JavaSript-爱易网页

记要:extjs4.0学习3

日期：2014-05-16　浏览次数：20398 次

记录:extjs4.0学习3

使用进度条的例子：

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<link rel="stylesheet" type="text/css" href="<%=request.getContextPath()%>/script/ext4.0/resources/css/ext-all.css" />
	<script type = "text/javascript"  src="<%=request.getContextPath()%>/script/ext4.0/ext-all.js" ></script>
	<script type = "text/javascript"  src="<%=request.getContextPath()%>/script/ext4.0/locale/ext-lang-zh_CN.js"> </script>
	<title>Ext Progres Bar测试</title>
	<script type="text/javascript">
		Ext.onReady(function(){
				var progressBar = new Ext.ProgressBar({
					text:'进度1',
					width:300,
					renderTo:'progressbar1'	
				});

				var progressBar2 = new Ext.ProgressBar({
					text:'进度2',
					width:300,
					renderTo:'progressbar2'	
				});

				var progressBar3 = new Ext.ProgressBar({
					text:'进度3',
					width:500,
					renderTo:'progressbar3'	
				});

				var count = 0;
				var count2 = 0;
				var percentage = 0;
				var percentage2 = 0;
				var progressText = "";
				var progressText2 = "";
				var task = {
						run: function(){
							count=count+Math.round((Math.random()*10));
							count2=count2+Math.round((Math.random()*10));
							if(count2>100) count2 = 100;
							if(count>100) count = 100;
							if(count>=100){
								//progressBar.hide();
								count=100;
								Ext.TaskManager.stop(task);
							}else if(count2>=100){
								//progressBar.hide();
								count2=100;
								Ext.TaskManager.stop(task);
							}
							percentage = count/100;
							progressText = count+'%';
							progressBar.updateProgress(percentage,progressText,true);

							percentage2 = count2/100;
							progressText2 = count2+'%';
							progressBar2.updateProgress(percentage2,progressText2,true);
						},
						interval:1000
				};
				Ext.TaskManager.start(task);


				//进度条自动增长模式
				progressBar3.wait({
					duration: 20*1000,//进度条运行时间
					interval: 500,//更新进度条的间隔
					animate: true,//是否启用动画
					increment: 12,//进度条的分段次数
					text:'任务进行中...',//进度条里面显示的文字
					scope: this,//回调函数的执行范围
					fn: function(){
						Ext.Msg.alert("提示","任务完成！");
					}
				});

				
			});


		
	</script>
</head>
<body>
	<div id="progressbar1">定位在div上面的进度条</div>
	<br>
	<table border='1'>
	<tr><td>1</td><td>2</td></tr>
	<tr><td>定位在td上面的进度条</td><td id = "progressbar2"></td></tr></table>
	<br>
	<div id="progressbar3">自动模式进度条</div>
</body>
</html>

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记要:extjs4.0学习3

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