首頁(yè) 猿問(wèn) 求大神幫忙看看下面這段代碼的意思，謝謝！

求大神幫忙看看下面這段代碼的意思，謝謝！

C Java

哆啦的時(shí)光機(jī) 2021-11-23 15:11:59

Expression pro.colName is undefined on line 99, column 49 in listJsp.jsp.The problematic instruction:----------==> ${pro.colName} [on line 99, column 47 in listJsp.jsp]----------Java backtrace for programmers:----------freemarker.core.InvalidReferenceException: Expression pro.colName is undefined on line 99, column 49 in listJsp.jsp.at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)at freemarker.core.Expression.getStringValue(Expression.java:118)at freemarker.core.Expression.getStringValue(Expression.java:93)at freemarker.core.DollarVariable.accept(DollarVariable.java:76)at freemarker.core.Environment.visit(Environment.java:208)at freemarker.core.MixedContent.accept(MixedContent.java:92)at freemarker.core.Environment.visit(Environment.java:208)at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:179)是應(yīng)該在這里改嗎？怎么改？<%@ page contentType="text/html;charset=GBK" %><%@ include file = "/includes/jsp/init.jsp" %><% Includes.getHead( out, ResourceReader.getMessageFromResource( "prompt.${package}.manager" ), ResourceReader.getMessageFromResource( "prompt.${package}.list" ), false, null, false, null ); %><%@ page import = "com.cbsgroup.ibs.backparameter.${package}.${className}FormBean" %><%@ page import = "com.cbsgroup.common.bean.BaseBean" %><jsp:useBean class = "com.cbsgroup.common.util.Result" id = "result" scope = "request" /><jsp:useBean class = "com.cbsgroup.ibs.backparameter.${package}.${className}FormBean" id = "form" scope = "request" /><%if ( form == null ) form = new ${className}FormBean();%><script language="JavaScript">

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2 回答

HUWWW

TA貢獻(xiàn)1874條經(jīng)驗(yàn) 獲得超12個(gè)贊

pro.colName is undefined
沒(méi)有定義
你要找找是pro沒(méi)有定義還是屬性colName沒(méi)有定義
還是你在這個(gè)jsp里面沒(méi)有定義，反正就是這個(gè)對(duì)象沒(méi)有找到你定義的出處

反對(duì) 回復(fù) 2021-11-28

素胚勾勒不出你

TA貢獻(xiàn)1827條經(jīng)驗(yàn) 獲得超9個(gè)贊

請(qǐng)輸入您<%@ page contentType="text/html;charset=GBK" %>
<%@ include file = "/includes/jsp/init.jsp" %>
<% Includes.getHead( out, ResourceReader.getMessageFromResource( "prompt.${package}.manager" ), ResourceReader.getMessageFromResource( "prompt.${package}.list" ), false, null, false, null ); %>
<%@ page import = "com.cbsgroup.ibs.backparameter.${package}.${className}FormBean" %>
<%@ page import = "com.cbsgroup.common.bean.BaseBean" %>
<jsp:useBean class = "com.cbsgroup.common.util.Result" id = "result" scope = "request" />
<jsp:useBean class = "com.cbsgroup.ibs.backparameter.${package}.${className}FormBean" id = "form" scope = "request" />
<%
if ( form == null ) form = new ${className}FormBean();
%>
<script language="JavaScript">的回答...