feat: 新增sercurity的LogoutHandler的实现类

ym-admin/src/main/java/com/cnbm/admin/handler/LogoutHandlerImpl.java

@@ -0,0 +1,32 @@
+package com.cnbm.admin.handler;
+
+import com.cnbm.admin.entity.LoginUser;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.web.authentication.logout.LogoutHandler;
+import org.springframework.stereotype.Component;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * @Author weihongyang
+ * @Date 2022/6/23 11:24 AM
+ * @Version 1.0
+ */
+@Component
+public class LogoutHandlerImpl implements LogoutHandler {
+
+    @Autowired
+    private RedisTemplate redisTemplate;
+
+    @Override
+    public void logout(HttpServletRequest request, HttpServletResponse response, Authentication authentication) {
+        //获取SecurityContextHolder中的用户id
+        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
+        String userid = loginUser.getSysUserEntity().getId().toString();
+        //删除redis中的值
+        redisTemplate.delete("login:"+userid);
+    }
+}