backend update

backend/test.py

@@ -0,0 +1,23 @@
+import os
+
+def print_tree(root, prefix=""):
+    items = sorted(
+        name for name in os.listdir(root)
+        if name != "__pycache__"
+    )
+    total = len(items)
+
+    for i, name in enumerate(items):
+        path = os.path.join(root, name)
+        is_last = (i == total - 1)
+
+        connector = "└── " if is_last else "├── "
+        print(prefix + connector + name)
+
+        if os.path.isdir(path):
+            extension = "    " if is_last else "│   "
+            print_tree(path, prefix + extension)
+
+root_dir = r"E:\ScnuProject\InsightRadar\backend\app"   # 改成你的目录
+print(os.path.basename(root_dir) + "/")
+print_tree(root_dir)