Update app.py

app.py

@@ -2,6 +2,8 @@ import gradio as gr
 import pandas as pd
 import plotly.express as px
 import plotly.graph_objects as go
+import chardet
+
 
 def create_plot(df, chart_type, x_col, y_col, group_col):
     if df is None or x_col not in df.columns or y_col not in df.columns:
@@ -66,13 +68,26 @@ with gr.Blocks(title="雙圖比較") as demo:
 
     def load_csv(file_obj):
         try:
-            df = pd.read_csv(file_obj.name)
-            return df, f"成功載入 {len(df)} 筆資料"
+            # 嘗試自動偵測編碼
+            raw = file_obj.read()
+            file_obj.seek(0)  # 重設檔案指標
+            detected = chardet.detect(raw)
+            encoding = detected['encoding'] or 'utf-8'
+            df = pd.read_csv(file_obj.name, encoding=encoding, engine='python')
+            return df, f"成功載入 {len(df)} 筆資料（偵測編碼: {encoding}）"
+        except UnicodeDecodeError:
+            try:
+                df = pd.read_csv(file_obj.name, encoding='big5', engine='python')
+                return df, f"成功載入 {len(df)} 筆資料（big5 編碼）"
+            except Exception as e:
+                return None, f"仍然失敗：{e}"
         except Exception as e:
             return None, f"讀取錯誤: {e}"
-
+            
     file.change(fn=load_csv, inputs=[file], outputs=[df_state, status])
 
+
+
     gr.Markdown("### 📌 圖表設定")
 
     with gr.Row():