[英]Tag <c:if> doesn't work
我有方法來獲取Cookies,並將返回的布爾值與進行比較,但是它不起作用。 兩種情況都不起作用。
static public boolean isUserAuth(HttpServletRequest request){
String cookieName = "forum_login";
Cookie cookies [] = request.getCookies ();
Cookie myCookie = null;
if (cookies != null) {
for (int i = 0; i < cookies.length; i++) {
if (cookies[i].getName().equals (cookieName)) {
myCookie = cookies[i];
return true;
}
}
}
return false;
}
JSP頁面:
<%@ page import="db_Proccesing.Users_processing" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%
boolean test = Users_processing.isUserAuth(request);
%>
<!DOCTYPE html>
<header>
<a class="header-logo"></a>
<div id="form_text" class="form">
<c:if test = "${test == true}">
<p>TRUE</p>
</c:if>
<c:if test = "${test == false}">
<p>FALSE</p>
</c:if>
</div>
</header>
因此,不會打印TRUE和FALSE
我使用以下方法修復它:
<c:if test = "<%= !Users_processing.isUserAuth(request) %>">
謝謝大家
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