Initial commit: 商品售卖网站

scripts/check_categories.py

@@ -0,0 +1,12 @@
+import sqlite3
+conn = sqlite3.connect('backend/sale.db')
+cursor = conn.cursor()
+cursor.execute("SELECT id, name FROM categories")
+print("Categories in database:")
+for row in cursor.fetchall():
+    print(f"  ID: {row[0]}, Name: {row[1]}")
+
+cursor.execute("SELECT product_id, category_id FROM product_categories")
+print("\nProduct-Category relations:")
+for row in cursor.fetchall():
+    print(f"  Product ID: {row[0]}, Category ID: {row[1]}")