如何在 JSP 中格式化货币?
jspjava 8object oriented programmingprogramming
<fmt:formatNumber> 标签用于格式化数字、百分比和货币。
属性
<fmt:formatNumber> 标签具有以下属性 −
| 属性 | 描述 | 必需 | Default |
|---|---|---|---|
| Value | Numeric value to display | Yes | None |
| type | NUMBER, CURRENCY, or PERCENT | No | Number |
| pattern | Specify a custom formatting pattern for the output. | No | None |
| currencyCode | Currency code (for type = "currency") | No | From the default locale |
| currencySymbol | Currency symbol (for type = "currency") | No | From the default locale |
| groupingUsed | Whether to group numbers (TRUE or FALSE) | No | true |
| maxIntegerDigits | Maximum number of integer digits to print | No | None |
| minIntegerDigits | Minimum number of integer digits to print | No | None |
| maxFractionDigits | Maximum number of fractional digits to print | No | None |
| minFractionDigits | Minimum number of fractional digits to print | No | None |
| var | Name of the variable to store the formatted number | No | Print to page |
| scope | Scope of the variable to store the formatted number | No | page |
示例
<%@ taglib prefix = "c" uri = "http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix = "fmt" uri = "http://java.sun.com/jsp/jstl/fmt" %>
<html>
<head>
<title>JSTL fmt:formatNumber Tag</title>
</head>
<body>
<h3>Number Format:</h3>
<c:set var = "balance" value = "120000.2309" />
<p>Currency in USA :
<fmt:setLocale value = "en_US"/>
<fmt:formatNumber value = "${balance}" type = "currency"/>
</p>
</body>
</html>
上述代码将生成以下结果 −
Number Format: Currency in USA : $120,000.23
