同时登录人数控制

src/main/java/com/tools/common/shiro/KickoutSessionControlFilter.java

@@ -57,6 +57,7 @@ public class KickoutSessionControlFilter extends AccessControlFilter {
 
     @Override
     protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {
+
         Subject subject = getSubject(request, response);
         if(!subject.isAuthenticated() && !subject.isRemembered()) {
             //如果没有登录，直接进行之后的流程
@@ -87,7 +88,7 @@ public class KickoutSessionControlFilter extends AccessControlFilter {
 
         //如果队列里的sessionId数超出最大会话数，开始踢人
         while(deque.size() > maxSession) {
-            Serializable kickoutSessionId = null;
+            Serializable kickoutSessionId;
             if(kickoutAfter) { //如果踢出后者
                 kickoutSessionId = deque.removeFirst();
                 //踢出后再更新下缓存队列
@@ -133,10 +134,10 @@ public class KickoutSessionControlFilter extends AccessControlFilter {
         }
         return true;
     }
-    private void out(ServletResponse hresponse, Map<String, String> resultMap){
+    private void out(ServletResponse response, Map<String, String> resultMap){
         try {
-            hresponse.setCharacterEncoding("UTF-8");
-            PrintWriter out = hresponse.getWriter();
+            response.setCharacterEncoding("UTF-8");
+            PrintWriter out = response.getWriter();
             //out.println(JSON.toJSONString(resultMap));
             out.println(resultMap);
             out.flush();

src/main/java/com/tools/common/shiro/ShiroConfig.java

@@ -83,7 +83,7 @@ public class ShiroConfig {
          * 管理后台
          */
         filterChainDefinitionMap.put("/sys/**", "roles[admin]");
-        filterChainDefinitionMap.put("/**", "authc");
+        filterChainDefinitionMap.put("/**", "kickout,authc");
         shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
         return shiroFilterFactoryBean;
     }
@@ -158,7 +158,7 @@ public class ShiroConfig {
         kickoutSessionControlFilter.setCacheManager(cacheManager());
         kickoutSessionControlFilter.setSessionManager(sessionManager());
         kickoutSessionControlFilter.setKickoutAfter(false);
-        kickoutSessionControlFilter.setMaxSession(1);
+        kickoutSessionControlFilter.setMaxSession(10);
         kickoutSessionControlFilter.setKickoutUrl("/login.html");
         return kickoutSessionControlFilter;
     }