新手问题 value的值

ljm011101361 2011-03-16 05:31:12

<%! String name = null;
String password = null;
%>
<% name = request.getParameter("name");
password = request.getParameter("password");
%>
<jsp:include page="two.jsp" flush="true">
<jsp:param name="name" value="<%=name%>" />
<jsp:param name="password" value="<%=password%>" />
</jsp:include>

这样很正常但改成
<jsp:param name="name" value="<%=request.getParameter("name")%>" />

后却有错
为什么啊为什么?????
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ljm011101361 2011-03-17
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原来如此!
LoongMint 2011-03-17
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单双引号 没什么区别。只不过你的那个双引号和里面的双引号冲突了。呵呵 和js的单双引号的问题差不多。
ljm011101361 2011-03-17
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是引号问题,刚学jsp不清楚语法
楼上的对了
value='<%=request.getParameter("name")%>'
then单引号与双引号有什么区别
LoongMint 2011-03-17
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[Quote=引用 7 楼 qqcrazyboy 的回复:]
语法错误,是不是引号的问题啊
[/Quote] +1 有可能
LZ这么试试:<jsp:param name="name" value='<%=request.getParameter("name")%>' />

哈特中尉 2011-03-17
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语法错误,是不是引号的问题啊
LoongMint 2011-03-17
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你试试 这么写<jsp:param name="name" value="<%=request.getParameter("name")==null?"":request.getParameter("name")%>" />

falconkabu 2011-03-17
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request.getParameter("name")是 object对象啊
ljm011101361 2011-03-16
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在前后加上+是什么意思??
提示语法错误
原来缘来 2011-03-16
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"<%=request.getParameter("name")%>" -->"+<%=request.getParameter("name")%>+"
试试行不!
ljm011101361 2011-03-16
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求高手指教
cas 配置client 1.0 &2.0 及proxy DEMO 说明 1 cas server 搭建 1.1 资源准备 cas server 下载 http://www.ja-sig.org/downloads/cas/cas-server-3.3.1-release.zip 1.2 解压后打开cas-server-3.3.1-release\cas-server-3.3.1\modules ,将cas-server-webapp-3.3.1.war 重命名为cas.war,并将war包拷贝到tomcat5.5以上版本的webapps目录下(在此对server jdbc支持不做详细解读,测试使用CAS simaple提供的默认用户名 密码 cas/cas) 2 证书生成及导入 2.1 Server端证书配置 2.2 2.2.1 证书生成导入 2.2.1.1 keytool -delete -alias tomcatsso -keystore cacerts -storepass changeit 2.2.1.2 keytool -list -keystore cacerts -storepass changeit 2.2.1.3 keytool -genkey -keyalg RSA -alias tomcatsso -dname "cn=www.test.com" -keystore cacerts -storepass changeit 2.2.1.4 keytool -export -alias tomcatsso -file tomcatsso.crt -keystore cacerts -storepass changeit 2.2.1.5 keytool -import -alias tomcatsso -file tomcatsso.crt -keystore cacerts -storepass changeit 2.2.1.6 keytool -list -keystore cacerts -storepass changeit 说明:在生成key的过程,"cn=www.test.com" 中的www.test.com为Server端的域名(必填)。 2.2.2 TOMCAT 配置SSL支持 2.2.2.1 将cacerts文件复制到TOMCAT的conf目录下修改server.xml pareThreads="5" maxSpareThreads="75" enableLookups="true" disableUploadTimeout="true" acceptCount="100" maxThreads="200" scheme="https" secure="true" SSLEnabled="true" clientAuth="false" sslProtocol="TLS" keystoreFile="conf/cacerts" keystorePass="changeit" truststoreFile="conf/cacerts"/> 启动Tomcat,测试https://www.test.com:443 2.2.3 客户端证书导入 2.2.3.1 .\jre\lib\security>keytool -import -alias tomcatsso -file tomcatsso.crt -keystore cacerts -storepass changeit 3 cas client 1.0配置说明 cas1 demo CAS Filter edu.yale.its.tp.cas.client.filter.CASFilter param> <param-name> edu.yale.its.tp.cas.client.filter.loginUrl param-name> <param-value> https://www.test.com:8443/cas/login param-value> param> param> <param-name> edu.yale.its.tp.cas.client.filter.validateUrl param-name> <param-value> https://www.test.com:8443/cas/proxyValidate param-value> param> param> <param-name> edu.yale.its.tp.cas.client.filter.serverName param-name> <param-value>www.teste.com:8080param-value> param> CAS Filter pattern>/*pattern> index.jsp 4 cas client 2.0配置说明 cas client test CAS Authentication Filter org.jasig.cas.client.authentication.AuthenticationFilter param> <param-name>casServerLoginUrlparam-name> <param-value> https://www.test.com:8443/cas/login param-value> param> param> <param-name>serverNameparam-name> <param-value>http://www.testd.com:8080param-value> param> CAS Validation Filter org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter param> <param-name>casServerUrlPrefixparam-name> <param-value>https://www.test.com:8443/casparam-value> param> param> <param-name>serverNameparam-name> <param-value>http://www.testd.com:8080param-value> param> param> <param-name>exceptionOnValidationFailureparam-name> <param-value>falseparam-value> param> CAS HttpServletRequest Wrapper Filter org.jasig.cas.client.util.HttpServletRequestWrapperFilter CAS Single Sign Out Filter org.jasig.cas.client.session.SingleSignOutFilter CAS Single Sign Out Filter pattern>/*pattern> CAS Validation Filter pattern>/*pattern> CAS Authentication Filter pattern>/*pattern> CAS HttpServletRequest Wrapper Filter pattern>/index.jsppattern> org.jasig.cas.client.session.SingleSignOutHttpSessionListener index.jsp 5 cas client 2.0 proxy 配置说明 proxy web.xml cas client test CAS Authentication Filter org.jasig.cas.client.authentication.AuthenticationFilter param> <param-name>casServerLoginUrlparam-name> <param-value> https://www.test.com:8443/cas/login param-value> param> param> <param-name>serverNameparam-name> <param-value>http://www.teste.com:8080param-value> param> CAS Validation Filter org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter param> <param-name>casServerUrlPrefixparam-name> <param-value>https://www.test.com:8443/casparam-value> param> param> <param-name>serverNameparam-name> <param-value>http://www.teste.com:8080param-value> param> param> <param-name>exceptionOnValidationFailureparam-name> <param-value>falseparam-value> param> param> <param-name>allowedProxyChainsparam-name> <param-value>http://www.testd.com:8080/testdparam-value> param> CAS HttpServletRequest Wrapper Filter org.jasig.cas.client.util.HttpServletRequestWrapperFilter CAS Single Sign Out Filter org.jasig.cas.client.session.SingleSignOutFilter CAS Single Sign Out Filter pattern>/*pattern> CAS Authentication Filter pattern>/*pattern> CAS Validation Filter pattern>/*pattern> CAS HttpServletRequest Wrapper Filter pattern>/index.jsppattern> org.jasig.cas.client.session.SingleSignOutHttpSessionListener index.jsp non proxy web.xml cas client test CAS Authentication Filter org.jasig.cas.client.authentication.AuthenticationFilter param> <param-name>casServerLoginUrlparam-name> <param-value> https://www.test.com:8443/cas/login param-value> param> param> <param-name>serverNameparam-name> <param-value>http://www.testd.com:8080param-value> param> CAS Validation Filter org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter param> <param-name>casServerUrlPrefixparam-name> <param-value>https://www.test.com:8443/casparam-value> param> param> <param-name>serverNameparam-name> <param-value>http://www.testd.com:8080param-value> param> param> <param-name>exceptionOnValidationFailureparam-name> <param-value>falseparam-value> param> param> <param-name>proxyCallbackUrlparam-name> <param-value>http://www.teste.com:8080/testeparam-value> param> param> <param-name>proxyReceptorUrlparam-name> <param-value>/proxy/test.jspparam-value> param> CAS HttpServletRequest Wrapper Filter org.jasig.cas.client.util.HttpServletRequestWrapperFilter CAS Single Sign Out Filter org.jasig.cas.client.session.SingleSignOutFilter CAS Single Sign Out Filter pattern>/*pattern> CAS Validation Filter pattern>/*pattern> CAS Authentication Filter pattern>/*pattern> CAS HttpServletRequest Wrapper Filter pattern>/index.jsppattern> org.jasig.cas.client.session.SingleSignOutHttpSessionListener index.jsp 6 demo 部署及说明 拷贝demo目录下的文件到 相应的发布目录(tomcat/webapps)下,使用解压工具解压,打开对应demo的web.xml,将www.test.com 及 www.testd.com 、www.teste.com 修改为相应的路径 启动TOMCAT ,祝贺你CAS 部署成功了! 7 Cas 非HTTPS支持(不赞成使用) cas client 部分修改 打开edu.yale.its.tp.cas.client.filter类,注释此 if (!pv.isAuthenticationSuccesful()) // throw new ServletException( // "CAS authentication error: " + pv.getErrorCode() + ": " + pv.getErrorMessage()); Cas server 部分修改 打开 cas-server-webapp-3.3.1\WebRoot\WEB-INF\spring-configuration\ticketGrantingTicketCookieGenerator.xml 文件 将 p:cookieSecure="true" 改为 p:cookieSecure="false" 备注:此文仅供参考,作者仅希望通过此文引导新手,相互交流,若有疑问或意见请与作者联系! 利剑 2008-12-16 QQ:349566018 E-mail:mygw@163.com

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