2011年4月20日 · What does ${} means in JSP? For example, <c:if test="${!empty cookie.lang}"> <fmt:setLocale value="${cookie.lang.value}" /> </c:if>

当然了，如果Tomcat检测到JSP页面改动了的话，会重新编译的。 既然JSP是一个Servlet，那JSP页面中的HTML排版标签是怎么样被发送到浏览器的？我们来看下上面1_jsp.java的源码就 …

2011年5月9日 · If you want to do the following by using JSTL Tag Libe, please follow the following steps: [Requirement] if a number is a grater than equal 40 and lower than 50 then display …

2018年8月8日 · I have a JSP page used for editing some user's info. When a user logins to the website, I keep the information in the session, then in my edit page I try the following: <%!

2020年5月25日 · The JSP container translates a requested JSP into servlet code that is then compiled and immediately executed. Subsequent requests to the same page simply invoke the …

2010年4月26日 · Pure JSP comments look like this: <%-- Comment --%> So if you want to retain the "=".you could do something like: <%--= map.size() --%> The key thing is that <%= defines …

2017年9月18日 · This was my first result in google for "redirect jsp". This is the correct answer for those people who came looking for how to always redirect one page to another (ex. to map …

2012年2月2日 · Then the source JSP page is converted into a java servlet class. The included file can be a static resource or a JSP page. Generally, JSP include directive is used to include …

Just noting this here in case anyone else has a similar issue. If you're directing a request directly to a JSP, using Apache Tomcat web.xml configuration, then ${requestScope.attr} doesn't …

This seems bad as the URL people.htm is hardcoded in the JSP. There should be a way to have Spring automatically build the <a> tag using the URL defined in servlet.xml . Edit : Maybe I …