isselected.tag

ajax基础操作实例,无刷添加删除等..

<%@ attribute name="name" required="true" rtexprvalue="true" %>
<%@ attribute name="value" required="true" rtexprvalue="true" %>
<%@ attribute name="array" required="false" rtexprvalue="true"
    type="java.lang.Boolean" %>
<%@ tag body-content="scriptless" %>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>

<c:set var="selected" value="false"/>

<c:if test="${!array}">
    <c:set var="selectedValue" value="${formModel[name]}"/>
    <c:if test="${!empty selectedValue}">
        <c:if test="${selectedValue == value}">
            <c:set var="selected" value="${true}"/>
        </c:if>
    </c:if>
</c:if>

<c:if test="${array}">
    <c:set var="selectedValues" value="${formModel[name]}"/>
    <c:if test="${fn:length(selectedValues) > 0}">
        <c:forEach var="selectedValue" items="${selectedValues}">
            <c:if test="${selectedValue == value}">
                <c:set var="selected" value="${true}"/>
            </c:if>
        </c:forEach>
    </c:if>
</c:if>

<c:if test="${selected}">
    <jsp:doBody/>
</c:if>