大屏页面初始化

src/main/java/com/mini/mybigscreen/Config/LoginInterceptor.java

@@ -1,22 +1,45 @@
 package com.mini.mybigscreen.Config;
 
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.mini.mybigscreen.Model.Result;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import jakarta.servlet.http.HttpSession;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.ObjectUtils;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
 
+import java.io.PrintWriter;
+
 
 @Component
 public class LoginInterceptor implements HandlerInterceptor {
 
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        ObjectMapper objectMapper = new ObjectMapper();
         HttpSession session = request.getSession(false);
-        if (session == null) {
-            response.sendRedirect("/login");
+        if (ObjectUtils.isEmpty(session)) {
+            String json = objectMapper.writeValueAsString(Result.unauthorized());
+            try (PrintWriter writer = response.getWriter()) {
+                writer.write(json);
+                writer.flush();
+            }
             return false;
         }
+
+        String token = (String) session.getAttribute("token");
+        if (StringUtils.isEmpty(token)){
+            String json = objectMapper.writeValueAsString(Result.unauthorized());
+            try (PrintWriter writer = response.getWriter()) {
+                writer.write(json);
+                writer.flush();
+            }
+            return false;
+        }
+
         return true;
     }
 }