有没有办法转换形式的jsp代码
<security:authorize access="hasRole('ROLE_USER')">You're an user</security:authorize>
<security:authorize access="hasRole('ROLE_ADMIN')">You're an admin</security:authorize>
<security:authorize access="hasRole('ROLE_SADMIN')">You're a superadmin</security:authorize>
转换为另一种形式，类似于以下内容（无效）？
<c:choose>
<c:when test="hasRole('ROLE_USER')">
You're an user
</c:when>
<c:when test="hasRole('ROLE_ADMIN')">
You're an admin
</c:when>
<c:when test="hasRole('ROLE_SADMIN')">
You're a superadmin
</c:when>
<c:otherwise>
You have no relevant role
</c:otherwise>
</c:choose>
更准确地说，是否有一种方法可以用JSTL标签替代此Spring Security taglib功能？
您可以使用将创建var的<security:authorize/>标签的属性：
页面范围变量，将在其中写入标签评估的布尔结果，从而允许随后在页面中重用相同条件而无需重新评估。
<security:authorize access="hasRole('ROLE_USER')" var="isUser" />
<security:authorize access="hasRole('ROLE_ADMIN')" var="isAdmin" />
<security:authorize access="hasRole('ROLE_SADMIN')" var="isSuperUser" />
<c:choose>
<c:when test="${isSuperUser}">
You're a superadmin
</c:when>
<c:when test="${isAdmin}">
You're an admin
</c:when>
<c:when test="${isUser}">
You're an user
</c:when>
<c:otherwise>
You have no relevant role
</c:otherwise>
</c:choose>
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