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Formatting

JSTL provides a set of tags to assist with Internationalization (I18N) of your JSP documents.

  • These tags are also referred to as formatting tags.

  • To use these tags, you must add a different taglib directive to specify the tag library uri and prefix.

<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>

To format a number, use the <fmt:formatNumber> tag.

  • Use the value attribute to specify the number to format.

    • The value can contain JSP EL.

  • Use the type attribute to specify how to format.

    • Possible values are currency, percent, and number.
    <fmt:formatNumber value="18.99" type="currency"/>

<fmt:formatNumber type="currency" value="${cartItem.price }"/>

To format a date, use the <fmt:formatDate> tag.

  • For the type attribute specify either date, time, or both.

Drill

TagLibraries/src/main/webapp/WEB-INF/listStocks.jsp

  • Format the Stock price as currency. (Don't forget to add the fmt taglib directive.)

TagLibraries/src/main/webapp/WEB-INF/select.jsp

  • Format the Stock price as currency.

(Solution: TagLibraries/src/main/webapp/WEB-INF/solutions/listStocksFmt.jsp, TagLibraries/src/main/webapp/WEB-INF/solutions/selectFmt.jsp)

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