（14）—- Logout和SessionManager
最后更新于：2022-04-01 14:54:24
Logout的配置很简单，只需要在http中加入下面的配置就可以了
~~~
<sec:logout invalidate-session="true" logout-url="/logout"
logout-success-url="/login.jsp" />
~~~
invalidate-session是否销毁Session
logout-url logout地址
logout-success-url logout成功后要跳转的地址
Session管理中最简单的配置方法是
~~~
<sec:session-management invalid-session-url="/login.jsp" />
~~~
意思就是Session失效时跳转到login.jsp
配置同一事件，只能有一个用户登录系统。
网上有的例子是这样配置的
~~~
<sec:session-management invalid-session-url="/login.jsp" >
<sec:concurrency-control error-if-maximum-exceeded="true"
max-sessions="1" expired-url="/login.jsp"/>
</sec:session-management>
~~~
但是这种配置在3.2版本中不管用
在3.2版本中需要这样配置
首先在web.xml中加入一下配置
~~~
<listener>
<listener-class>org.springframework.security.web.session.HttpSessionEventPublisher</listener-class>
</listener>
~~~
然后修改applicationContext-security.xml
~~~
<sec:http access-decision-manager-ref="accessDecisionManager"
entry-point-ref="authenticationEntryPoint">
<sec:access-denied-handler ref="accessDeniedHandler"/>
<sec:logout invalidate-session="true" logout-url="/logout"
logout-success-url="/login.jsp" />
<sec:session-management session-authentication-strategy-ref="concurrentSessionControlStrategy" />
<sec:remember-me
authentication-success-handler-ref="authenticationSuccessHandler"
data-source-ref="dataSource"
user-service-ref="userDetailService"
/>
<sec:custom-filter ref="filterSecurityInterceptor" before="FILTER_SECURITY_INTERCEPTOR"/>
<sec:custom-filter ref="captchaAuthenticaionFilter" position="FORM_LOGIN_FILTER"/>
<sec:custom-filter ref="concurrencyFilter" position="CONCURRENT_SESSION_FILTER"/>
</sec:http>
<bean id="captchaAuthenticaionFilter" class="com.zrhis.system.security.CaptchaAuthenticationFilter">
<property name="authenticationManager" ref="authenticationManager" />
<property name="authenticationFailureHandler" ref="authenticationFailureHandler" />
<property name="authenticationSuccessHandler" ref="authenticationSuccessHandler" />
<property name="filterProcessesUrl" value="/login.do" />
<property name="sessionAuthenticationStrategy" ref="concurrentSessionControlStrategy" />
</bean>
<bean id="authenticationSuccessHandler" class="com.zrhis.system.security.SavedRequestLoginSuccessHandler">
<property name="defaultTargetUrl" value="/index.jsp" />
<property name="forwardToDestination" value="true" />
<property name="alwaysUseDefaultTargetUrl" value="false" />
</bean>
<bean id="authenticationFailureHandler" class="org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler">
<property name="defaultFailureUrl" value="/login.jsp" />
</bean>
<bean id="authenticationEntryPoint" class="org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint">
<property name="loginFormUrl" value="/login.jsp" />
</bean>
<bean id="concurrencyFilter" class="org.springframework.security.web.session.ConcurrentSessionFilter">
<constructor-arg name="sessionRegistry" ref="sessionRegistry" />
<constructor-arg name="expiredUrl" value="/sessionOut.jsp" />
</bean>
<bean id="concurrentSessionControlStrategy"
class="org.springframework.security.web.authentication.session.ConcurrentSessionControlStrategy">
<constructor-arg name="sessionRegistry" ref="sessionRegistry" />
<property name="maximumSessions" value="1"></property>
</bean>
<bean id="sessionRegistry" class="org.springframework.security.core.session.SessionRegistryImpl" />
~~~