Ext Ext.util.Format 常用的函数的介绍
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<title>decode和encode的介绍</title>
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function ready(){
//Ext.util.Format.capitalize(参数)将首字母大写
var str="abcdefghigklmn";
var after=Ext.util.Format.capitalize(str);//调用函数，将首字母转为大写
Ext.Msg.alert("",after);//输出显示Abcdefghigklmn
}
Ext.onReady(ready) ;//参数为定义的函数,onReady是程序的入口
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</body>
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<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%
request.setAttribute("base", request.getContextPath());
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>decode和encode的介绍</title>
<link rel="stylesheet" type="text/css" href="${base}/ext/resources/css/ext-all.css" />
<script type="text/javascript" src="${base}/ext/ext-base.js"></script>
<script type="text/javascript" src="${base}/ext/ext-all.js"></script>
<script type="text/javascript" src="${base}/ext/ext-lang-zh_CN.js"></script><!--中文映射-->
<script type="text/javascript">
function ready(){
//Ext.util.Format.ellipsis(参数,长度)；如果 参数大于长度，将截取参数为长度的子字符串，但是最后三位为省略号
如果参数小于长度，则只截取参数本身
var str="abcdefghigklmn";
var after=Ext.util.Format.ellipsis(str,8);
Ext.Msg.alert("",after);//输出显示abcde...
}
Ext.onReady(ready) ;//参数为定义的函数,onReady是程序的入口
</script>
</head>
<body>
</body>
</html>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%
request.setAttribute("base", request.getContextPath());
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>decode和encode的介绍</title>
<link rel="stylesheet" type="text/css" href="${base}/ext/resources/css/ext-all.css" />
<script type="text/javascript" src="${base}/ext/ext-base.js"></script>
<script type="text/javascript" src="${base}/ext/ext-all.js"></script>
<script type="text/javascript" src="${base}/ext/ext-lang-zh_CN.js"></script><!--中文映射-->
<script type="text/javascript">
function ready(){
//Ext.util.Format.uppercase(参数)，将参数全部转化为大写
var str="abcdefghigklmn";
var after=Ext.util.Format.uppercase(str);
Ext.Msg.alert("",after);//输出显示ABCDEFGHIGKLMN
}
Ext.onReady(ready) ;//参数为定义的函数,onReady是程序的入口
</script>
</head>
<body>
</body>
</html>
其他的比如：
Ext.util.Format.lowercase(参数);
Ext.util.Format.substr(参数,索引位置,截取字符串的长度);
Ext.util.Format.usMoney("1000");//将字符串转为美元 ，这里的1000只是个例子
Ext.util.Format.trim(" 1000 ");//去掉空格函数
Ext.util.Format.fileSize("1024"); //将代表字节的数据值转为文件大小的字符串