1

web/src/main/java/cn/jlw/Interceptor/GetTStudent.java

@@ -1,5 +1,6 @@
 package cn.jlw.Interceptor;
 
+import cn.hutool.core.util.ObjectUtil;
 import com.ibeetl.jlw.entity.Student;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.MethodParameter;
@@ -35,7 +36,7 @@ public class GetTStudent implements HandlerMethodArgumentResolver  {
 
         HttpServletRequest request = webRequest.getNativeRequest(HttpServletRequest.class);
 
-        Student student = null == request.getSession().getAttribute(T_STUDENT) ? null : (Student) request.getSession().getAttribute(T_STUDENT);
+        Student student = (Student) ObjectUtil.defaultIfNull(request.getAttribute(T_STUDENT), request.getSession().getAttribute(T_STUDENT));
 
         return student;
 

web/src/main/java/cn/jlw/Interceptor/GetTTeacher.java

@@ -1,5 +1,6 @@
 package cn.jlw.Interceptor;
 
+import cn.hutool.core.util.ObjectUtil;
 import com.ibeetl.jlw.entity.Teacher;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.MethodParameter;
@@ -34,9 +35,7 @@ public class GetTTeacher implements HandlerMethodArgumentResolver  {
         TTeacher tTeacher = parameter.getParameterAnnotation(TTeacher.class);
 
         HttpServletRequest request = webRequest.getNativeRequest(HttpServletRequest.class);
-
-        Teacher teacher = null == request.getSession().getAttribute(T_TEACHER) ? null : (Teacher) request.getSession().getAttribute(T_TEACHER);
-
+        Teacher teacher = (Teacher) ObjectUtil.defaultIfNull(request.getAttribute(T_TEACHER), request.getSession().getAttribute(T_TEACHER));
         return teacher;
 
     }