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>

2019年7月13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 …

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 …

一、JSP是什么？ JSP（JavaServer Pages）是建立在Servlet规范之上的动态网页开发技术，其实质是一个简化的 Servlet。 在 JSP 文件中，HTML 代码与 Java 代码共同存在。其中，HTML …

JSP（JavaServer Pages） 是一种基于 Java 的服务器端技术，用于创建动态 Web 页面。JSP 允许将 Java 代码嵌入 HTML 中，在服务器端执行，并根据需要生成动态内容。JSP 文件以 .jsp …

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: <%!

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 …

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 …

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 …