Update app.py

app.py

@@ -77,18 +77,29 @@ def create_print_layout(data, title):
         return None
         
     # 设置 A5 纵向尺寸（单位：英寸）
-    fig, axes = plt.subplots(figsize=(5.83, 8.27), dpi=300, nrows=len(data), ncols=1)
+    fig = plt.figure(figsize=(5.83, 8.27), dpi=300)
+    
+    # 减小边距，最大化利用空间
+    plt.subplots_adjust(left=0.02, right=0.98, top=0.98, bottom=0.02)
+    
+    # 创建网格，减小间距
+    rows = (len(data) + 2) // 3  # 向上取整除法
+    gs = gridspec.GridSpec(rows, 3, hspace=0.1, wspace=0.1)  # 显著减小间距
     
     # 设置字体和样式
     plt.rcParams['font.family'] = 'sans-serif'
     plt.rcParams['font.sans-serif'] = ['SimHei']  # 中文字体
     
     # 计算适合的字体大小
-    base_fontsize = 45  # 增加基础字体大小
+    base_fontsize = min(45, 220 / rows)  # 增加基础字体大小
     
     # 填充数据
     for idx, (hall, end_time) in enumerate(data.values):
-        ax = axes[idx]
+        row = idx // 3
+        col = idx % 3
+        
+        # 创建子图
+        ax = plt.subplot(gs[row, col])
         
         # 设置更深的边框颜色
         for spine in ax.spines.values():
@@ -103,13 +114,14 @@ def create_print_layout(data, title):
                 ha='center', 
                 va='center')
         
+        # 设置更小的内边距
+        ax.set_xlim(-0.02, 1.02)
+        ax.set_ylim(-0.02, 1.02)
+        
         # 移除坐标轴
         ax.set_xticks([])
         ax.set_yticks([])
     
-    # 调整图形大小，减少多余边距
-    fig.subplots_adjust(left=0.02, right=0.98, top=0.98, bottom=0.02)
-    
     # 将图表转换为 base64 字符串
     buffer = io.BytesIO()
     plt.savefig(buffer, format='png', bbox_inches='tight', pad_inches=0.05)  # 减小边距