first version of aida_back

src/main/java/com/ai/da/common/context/UserContext.java

@@ -0,0 +1,18 @@
+package com.ai.da.common.context;
+
+import com.ai.da.model.vo.AuthPrincipalVo;
+
+public class UserContext {
+    private static ThreadLocal<AuthPrincipalVo> userHolder= new ThreadLocal<AuthPrincipalVo>();
+
+    public static AuthPrincipalVo getUserHolder() {
+        return userHolder.get();
+    }
+    public static void delete() {
+        userHolder.remove();
+    }
+
+    public static void setUserHolder(AuthPrincipalVo authPrincipalVo) {
+        userHolder.set(authPrincipalVo);
+    }
+}