feat: admin用户支持删除测试数据（按条件/日期范围），含确认框+日志

edc-web/app/models.py

@@ -582,3 +582,48 @@ def delete_vehicle_base_test(test_id: int):
         conn.commit()
     finally:
         conn.close()
+
+
+# ─── 测试数据删除 ──────────────────────────────────────────────
+
+def delete_test_data(serial: str = "", date_from: str = "",
+                     date_to: str = "", data_source: str = "") -> int:
+    """删除符合条件的测试数据，返回删除行数
+
+    必须至少提供一个条件（serial / date范围 / data_source），不允许无条件全删。
+    """
+    conn = get_conn()
+    try:
+        with conn.cursor() as cur:
+            where = []
+            params = []
+            if serial:
+                where.append("t.dnt_id IN (SELECT id FROM dnt_info WHERE serial LIKE %s)")
+                params.append(f"%{serial}%")
+            if date_from:
+                where.append("t.create_time >= %s")
+                params.append(date_from)
+            if date_to:
+                where.append("t.create_time <= %s")
+                params.append(date_to + " 23:59:59")
+            if data_source:
+                where.append("t.data_source = %s")
+                params.append(data_source)
+
+            if not where:
+                return 0  # 拒绝无条件全删
+
+            where_clause = " AND ".join(where)
+            cur.execute(
+                f"SELECT COUNT(*) as cnt FROM tb_state_tst t WHERE {where_clause}",
+                params,
+            )
+            cnt = cur.fetchone()["cnt"]
+
+            cur.execute(
+                f"DELETE t FROM tb_state_tst t WHERE {where_clause}", params,
+            )
+        conn.commit()
+        return cnt
+    finally:
+        conn.close()