Java 如何编写JSTL而不是Scriplets来获取用户会话?
以下:Java 如何编写JSTL而不是Scriplets来获取用户会话?,java,jsp,jakarta-ee,jstl,Java,Jsp,Jakarta Ee,Jstl,以下: <% if ((String) session.getAttribute("userID") != null) { String username= (String) session.getAttribute("userID"); %> <li><a><small>Logged in as <%=username %></a></li> <% } %> 以 谢谢
<% if ((String) session.getAttribute("userID") != null) {
String username= (String) session.getAttribute("userID"); %>
<li><a><small>Logged in as <%=username %></a></li>
<% } %>
以
谢谢应该可以:
<c:if test="${not empty sessionScope.userID}">
<li><a><small>Logged in as ${sessionScope.userID}</a></li>
</c:if>
以${sessionScope.userID}身份登录
应该可以:
<c:if test="${not empty sessionScope.userID}">
<li><a><small>Logged in as ${sessionScope.userID}</a></li>
</c:if>
以${sessionScope.userID}身份登录
这里是如何获取的示例这里是如何获取的示例