<dependencies>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
<version>5.0.4.RELEASE</version>
</dependency>
</dependencies>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
/WEB-INF/spring/root-context.xml
/WEB-INF/spring/security-context.xml <--- 추가
</param-value>
</context-param>
<!-- Security filter 추가 -->
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
3. security-context.xml 추가
<security:http auto-config="true">
<security:form-login login-page="/loginForm.html"
authentication-failure-url="/loginForm.html?ng" />
<security:intercept-url pattern="/login.html*" access="ROLE_USER" />
<security:intercept-url pattern="/welcome.html*" access="ROLE_ADMIN" />
</security:http>
<security:authentication-manager>
<security:authentication-provider>
<security:user-service>
<security:user name="user" password="123" authorities="ROLE_USER" />
<security:user name="admin" password="123" authorities="ROLE_ADMIN, ROLE_USER" />
</security:user-service>
</security:authentication-provider>
</security:authentication-manager>
<%@ taglib uri="http://www.springframework.org/security/tags" prefix="s" %>
<s:authorize ifAnyGranted="ROLE_USER">
<p> is Log-in </p>
</s:authorize>
<s:authorize ifNotGranted="ROLE_USER">
<p> is Log-Out </p>
</s:authorize>