另类Tag

JSP

<%@ taglib prefix="tags" tagdir="/WEB-INF/tags" %>

    <tags:displayProducts>      <jsp:attribute name="normalPrice">        Item: ${name}<br/>        Price: ${price}      </jsp:attribute>      <jsp:attribute name="onSale">        Item: ${name}<br/>        <font color="red"><strike>Was: ${origPrice}</strike></font><br/>        <b>Now: ${salePrice}</b>      </jsp:attribute>    </tags:displayProducts>

displayProducts.tag

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><%@ attribute name="normalPrice" fragment="true" %><%@ attribute name="onSale" fragment="true" %><%@ variable name-given="name" %><%@ variable name-given="price" %><%@ variable name-given="origPrice" %><%@ variable name-given="salePrice" %><table border="1">  <tr>    <td>      <c:set var="name" value="Hand-held Color PDA"/>      <c:set var="price" value="$298.86"/>      <jsp:invoke fragment="normalPrice"/>    </td>    <td>      <c:set var="name" value="4-Pack 150 Watt Light Bulbs"/>      <c:set var="origPrice" value="$2.98"/>      <c:set var="salePrice" value="$2.32"/>      <jsp:invoke fragment="onSale"/>    </td>    <td>      <c:set var="name" value="Digital Cellular Phone"/>      <c:set var="price" value="$68.74"/>      <jsp:invoke fragment="normalPrice"/>    </td>    <td>      <c:set var="name" value="Baby Grand Piano"/>      <c:set var="price" value="$10,800.00"/>      <jsp:invoke fragment="normalPrice"/>    </td>    <td>      <c:set var="name" value="Luxury Car w/ Leather Seats"/>      <c:set var="origPrice" value="$23,980.00"/>      <c:set var="salePrice" value="$21,070.00"/>      <jsp:invoke fragment="onSale"/>    </td>  </tr></table>

Products

Item: Hand-held Color PDA
Price: $298.86Item: 4-Pack 150 Watt Light Bulbs
Was: $2.98
Now: $2.32Item: Digital Cellular Phone
Price: $68.74Item: Baby Grand Piano
Price: $10,800.00Item: Luxury Car w/ Leather Seats
Was: $23,980.00
Now: $21,070.00

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Products (Same tag, alternate style)

Hand-held Color PDA @ $298.86 ea.4-Pack 150 Watt Light Bulbs @ $2.32 ea. (was: $2.98)Digital Cellular Phone @ $68.74 ea.Baby Grand Piano @ $10,800.00 ea.Luxury Car w/ Leather Seats @ $21,070.00 ea. (was: $23,980.00)