添加新的周期数据

TF_DF.py

@@ -22,7 +22,17 @@ class TF_DF():
 	def init_TF_DF(self, df, interval, timeframe):
 		self.timeframe = timeframe
 		self.interval = interval
-		self.dataframe = resample_to_interval(df, interval)
+		# 检查 DataFrame 是否为空或没有 date 列
+		if df is None or df.empty:
+			raise ValueError(f"DataFrame for {timeframe} is empty. Please download data first.")
+		if 'date' not in df.columns:
+			raise ValueError(f"DataFrame for {timeframe} missing 'date' column. Columns: {df.columns.tolist()}")
+		# interval=1 时不需要重采样
+		if interval == 1:
+			self.dataframe = df.copy()
+		else:
+			self.dataframe = resample_to_interval(df, interval)
+		#print(self.timeframe, len(self.dataframe))
 		self.dataframe = self.add_indicators(self.dataframe)
 		self.klu_list = []
 		self.klc_list = []