Update app.py

app.py

@@ -3,34 +3,38 @@ import pandas as pd
 import plotly.graph_objects as go
 import os
 from zipfile import ZipFile
-import plotly.io as pio
-
-# 強制設定中文字型（例如 Noto Sans CJK）
-pio.kaleido.scope.default_layout.font.family = "Microsoft JhengHei, Noto Sans CJK, Arial"
 
 try:
     import kaleido
 except ImportError:
     st.error("請安裝 'kaleido' 套件以啟用圖像導出功能：\n\n    $ pip install kaleido")
 
+
 def load_data(uploaded_file):
     """載入並處理CSV檔案"""
     try:
+        # 直接載入檔案
         df = pd.read_csv(uploaded_file, encoding='utf-8')
+
+        # 移除空白列
         df = df.dropna(how='all')
+
+        # 將數值欄位轉換為數字類型
         numeric_columns = ['平均', '總分', '國文', '英文', '數學', '自科', '社會', '地理', '歷史', '公民']
         for col in numeric_columns:
             df[col] = pd.to_numeric(df[col], errors='coerce')
+
         return df
     except Exception as e:
         st.error(f"載入檔案時發生錯誤：{e}")
         return None
 
+
 def create_radar_chart(df, selected_rows, selected_columns):
     """使用Plotly建立雷達圖"""
     line_styles = ['solid', 'dot', 'dash', 'longdash', 'dashdot']
     colors = ['#1F77B4', '#FF7F0E', '#2CA02C', '#D62728', '#9467BD']
-    
+
     fig = go.Figure()
 
     for i, row_name in enumerate(selected_rows):
@@ -46,7 +50,7 @@ def create_radar_chart(df, selected_rows, selected_columns):
                 dash=line_styles[i % len(line_styles)],
                 width=2
             ),
-            marker=dict(opacity=0.5)
+            marker=dict(opacity=0.5)  # 增加透明度
         ))
 
     fig.update_layout(
@@ -56,20 +60,22 @@ def create_radar_chart(df, selected_rows, selected_columns):
                 range=[0, df[selected_columns].values.max() * 1.1]
             ),
             angularaxis=dict(
-                tickfont=dict(size=16, color='black')
+                tickfont=dict(size=16, color='black')  # 放大字體，顏色為黑色
             )
         ),
         showlegend=True,
         legend=dict(
-            font=dict(size=14, color='black')
+            font=dict(size=14, color='black')  # 圖例文字加大並改為黑色
         ),
         title='學生成績雷達圖',
-        plot_bgcolor='white',
-        paper_bgcolor='white'
+        plot_bgcolor='white',  # 背景為白色
+        paper_bgcolor='white',  # 紙張背景為白色
+        font=dict(family="Microsoft JhengHei, Noto Sans CJK, Arial")  # 字型設定
     )
 
     return fig
 
+
 def save_all_radar_charts(df, selected_columns, comparison_rows):
     """批次生成並儲存每個學生與指定比較對象的雷達圖"""
     output_dir = "radar_charts"
@@ -80,15 +86,18 @@ def save_all_radar_charts(df, selected_columns, comparison_rows):
             continue
 
         fig = create_radar_chart(df, [student] + comparison_rows, selected_columns)
+
+        # 在這裡更新字型
         fig.update_layout(
-            font=dict(family="Microsoft JhengHei, Noto Sans CJK, Arial", size=12)
+            font=dict(
+                family="Microsoft JhengHei, Noto Sans CJK, Arial"
+            )
         )
+
         file_path = os.path.join(output_dir, f"{student}_comparison.png")
-        try:
-            fig.write_image(file_path, engine="kaleido")
-        except Exception as e:
-            st.error(f"保存圖片時發生錯誤：{e}")
+        fig.write_image(file_path, engine="kaleido")
 
+    # 壓縮所有圖表
     zip_path = "radar_charts.zip"
     with ZipFile(zip_path, 'w') as zipf:
         for file_name in os.listdir(output_dir):
@@ -96,6 +105,7 @@ def save_all_radar_charts(df, selected_columns, comparison_rows):
 
     return zip_path
 
+
 def main():
     st.title('學生成績雷達圖產生器')
 
@@ -136,5 +146,7 @@ def main():
                             mime="application/zip"
                         )
 
+
 if __name__ == "__main__":
     main()
+