JSTL <c:out value="${EL}">不能正确输出的问题


由于Jsp2.0向后兼容的特性, 当遇到使用Jsp 1.2(Servlet v2.3)的网站时会默认的禁用JSP2.0 EL,所以导致c:out不能正确输出。
(这里注意Jsp 1.2禁用JSP2.0的EL,而是去使用JSTL 1.0 taglib去解析EL。所以使用JSP 1.2+JSTL 1.0不会出问题,而使用了JSP 1.2+JSTL 1.1就会导致c:out不能正确输出)

启用EL或修改webv.xml为jsp2.0可以解决问题。但是我试过的只有启用EL是有效的,修改web.xml文件不会起作用。


启用EL:在jsp页面中加入

<% @ page isELIgnored = " false " %>

page指令的isELIgnored屬性是控制EL的使用權的,它的兩個值,true和false
如果 isELIgnored='true'表示禁用EL,isELIgnored='false' 表示可以使用EL, 默認是false



修改web.xml为jsp2.0

为了用EL改为 

<? xml version="1.0" encoding="ISO-8859-1" ?>  

< web-app  xmlns ="http://java.sun.com/xml/ns/j2ee"   xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance"  
    xsi:schemaLocation
="http://java.sun.com/xml/ns/j2ee 
      http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
 
    version
="2.4" >  

  
< display-name > WebModule1  </ display-name >  
</ web-app >

转自: 点击打开链接
把下面的source,改写成thymeleaf形式文件。 <%@ page contentType="text/html; charset=UTF-8"%> <%@ page pageEncoding="UTF-8"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ taglib uri="http://www.springframework.org/tags" prefix="spring"%> <%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%> <!DOCTYPE html> <html> <head> <!-- IEバージョン設定 --> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE11"> <title> 会社マスタ一覧画面</title> <!-- jQuery設定 --> <script src="<c:url value="/resources/js/jquery-1.11.3.min.js" />"></script> <!-- CSS設定 --> <link rel="stylesheet" type="text/css" href="<c:url value="/resources/css/tsocms.css" />"> <script> $(function() { $(".stockCompanyMasterListTable tr:odd").addClass("odd"); $(".stockCompanyMasterListTable tr:even").addClass("even"); }); </script> <script> <!-- function stockCompanyclearButton() { document.select.mechSubCode.value = ""; document.select.stockCompanyName.value =""; } function updateSubmitCheck() { if(!radioCheck("更新対象をラジオボタンで選択してください。")) return; stockCompanyMasterListUpdateButton(); } function deleteSubmitCheck() { if(!radioCheck("削除対象をラジオボタンで選択してください。")) return; stockCompanyMasterListDeleteButton(); } function stockCompanySearchButton() { var target = document.getElementById("stockCompanyMasterListForm"); target.action = "${pageContext.request.contextPath}/stockcompanymasterlist/select"; target.submit(); } function stockCompanyMasterListDeleteButton() { var target = document.getElementById("stockCompanyMasterListForm"); target.action = "${pageContext.request.contextPath}/stockcompanymasterdelete"; target.submit(); } function stockCompanyMasterListUpdateButton() { var target = document.getElementById("stockCompanyMasterListForm"); target.action = "${pageContext.request.contextPath}/stockcompanymasterupdate"; target.submit(); } function radioCheck(msg) { var flag = false; var elm = document.getElementsByName('selectedKey'); for (i = 0; i < elm.length; i++) { if (elm[i].checked) { flag = true; } } if (!flag) { alert(msg); return false; } return true; } //--> </script> </head> <body> <!-- <!-- ページ見出し --> <div> <h1> 会社マスタ一覧画面</h1> </div> <form:form name="select" modelAttribute="stockCompanyMasterListForm" method="post" action="${pageContext.request.contextPath}/stockcompanymasterlist/select"> <!-- 会社結果一覧表 --> <div class="stockCompanyMasterListTableAll"> <div class="keyleft"> <!-- 検索キー --> <!-- 機構加入者コード --> <div class="searchkey"> <span class="mechSubCodeKey">機構加入者コード</span> <form:input type="search" path="mechSubCode" size="45" /> </div> <!-- 会社名 --> <div class="searchkey"> <span class="stockCompanyNameKey">会社名</span> <form:input type="search" path="stockCompanyName" size="45" /> </div> <!-- Hidden検索キー --> <form:hidden path="mechSubCodeHidden" /> <form:hidden path="stockCompanyNameHidden" /> </div> <div class="keyright"> <!-- 検索ボタン --> <form:button type="submit" name="stockCompanySearchbutton" id="stockCompanySearchbutton" onclick="stockCompanySearchButton()">検索</form:button> <!-- 初期化ボタン --> <form:button type="button" name="stockCompanyclearbutton" id="stockCompanyclearbutton" onclick="stockCompanyclearButton()">初期化</form:button> </div> <div class="stockCompanyMasterListTable"> <table class="stockCompanyMasterListTable"> <thead class="stockCompanyMasterList"> <tr> <th class="radioButton"></th> <th class="mechSubCode">機構加入者コード</th> <th class="stockCompanyName">会社名</th> <th class="stockCompanyNameKana">会社名カナ</th> <th class="effectiveDate">適用開始日</th> <th class="expireDate">適用終了日</th> </tr> </thead> <tbody class="searchListBody"> <c:forEach var="detail" items="${stockCompanyMasterListForm.stockCompanyMasterListDetailFormList}" varStatus="status"> <tr> <td class="radioButton"> <form:radiobutton path="selectedKey" value="${detail.mechanismSubscriberCd},${detail.effectiveDate}" /><br> </td> <td class="mechSubCode"> <c:out value="${detail.mechanismSubscriberCd}"></c:out> </td> <td class="stockCompanyName"> <c:out value="${detail.stockcompany}"></c:out> </td> <td class="stockCompanyNameKana"> <c:out value="${detail.stockcompanyKana}"></c:out> </td> <td class="effectiveDate"> <c:out value="${detail.effectiveDate}"></c:out> </td> <td class="expireDate"> <c:out value="${detail.expireDate}"></c:out> </td> </tr> </c:forEach> </tbody> </table> </div> <div class="left"></div> <div class="right"> <!-- 新規登録ボタン --> <form:button type="button" name="stockCompanyMasterListRegisterbutton" id="stockCompanyMasterListRegisterbutton" onclick="location.href='${pageContext.request.contextPath}/stockcompanymasterregister'">新規登録</form:button> <!-- 更新ボタン --> <form:button type="button" name="stockCompanyMasterListUpdatebutton" id="stockCompanyMasterListUpdatebutton" onclick="updateSubmitCheck()">更新</form:button> <!-- 削除ボタン --> <form:button type="button" name="stockCompanyMasterListDeletebutton" id="stockCompanyMasterListDeletebutton" onclick="deleteSubmitCheck()">削除</form:button> <!-- 戻るボタン --> <form:button type="button" name="stockCompanyMasterListReturnbutton" id="stockCompanyMasterListReturnbutton" onclick="location.href='${pageContext.request.contextPath}/master'">戻る</form:button> </div> </div> </form:form> </body> </html>
最新发布
07-18
评论 3
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值