length.tag

ajax基础操作实例,无刷添加删除等..

<%@ attribute name="name" required="true" rtexprvalue="true" %>
<%@ attribute name="min" required="false" rtexprvalue="true"
    type="java.lang.Long" %>
<%@ attribute name="max" required="false" rtexprvalue="true"
    type="java.lang.Long" %>
<%@ attribute name="msgMin" required="false" rtexprvalue="true" %>
<%@ attribute name="msgMax" required="false" rtexprvalue="true" %>
<%@ tag body-content="empty" %>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<%@ taglib prefix="da" tagdir="/WEB-INF/tags/dynamic/ajax" %>
<%@ taglib prefix="dfu" tagdir="/WEB-INF/tags/dynamic/forms/util" %>
<%@ taglib prefix="dvu" tagdir="/WEB-INF/tags/dynamic/valid/util" %>

<dvu:useDefaultMsg/>
<c:if test="${empty msgMin}">
    <c:set var="msgMin" value="${defaultValidMsg.too_short}"/>
</c:if>
<c:if test="${empty msgMax}">
    <c:set var="msgMax" value="${defaultValidMsg.too_long}"/>
</c:if>

<c:set var="outId" value="${name}Length"/>
<dvu:errMsg id="${outId}">
    <c:if test="${formPost && !empty param[name]}">
        <c:if test="${min != null && fn:length(param[name]) < min}">
            <c:out value="${msgMin}"/>
            <dfu:addError name="${name}" msg="${msgMin}"/>
        </c:if>
        <c:if test="${max != null && fn:length(param[name]) > max}">
            <c:out value="${msgMax}"/>
            <dfu:addError name="${name}" msg="${msgMax}"/>
        </c:if>
    </c:if>
</dvu:errMsg>

<script type="text/javascript">
    pageValidators.add(new LengthValidator(<da:jstring value="${formName}"/>,
        <da:jstring value="${name}"/>, <da:jstring value="${outId}"/>,
        ${min != null ? min : 0}, ${max != null ? max : 0},
        <da:jstring value="${msgMin}"/>, <da:jstring value="${msgMax}"/>));
</script>