feat(导出): 支持导出带样式的单元格数据

lib/tallty_import_export/export.rb

@@ -139,12 +139,33 @@ module TalltyImportExport
 
             row = []
             formats = []
+            cell_styles = []  # 存储每个单元格的样式
             index += 1
             headers.each_with_index do |header, col_index|
               _data = header[:source] ?
                 handle_data(association_record, header, index) :
                 handle_data(record, header, index)
 
+              # 处理带有样式信息的数据
+              if _data.is_a?(Hash) && _data.key?(:value) && _data.key?(:style)
+                # 创建新样式，基于 title3 的样式选项，并添加自定义样式
+                style_options = {
+                  alignment: { vertical: :center, horizontal: :center, wrap_text: true },
+                  border: { color: '969696', style: :thin },
+                  sz: 10
+                }
+                
+                # 添加自定义样式
+                style_options[:fg_color] = _data[:style][:color] if _data[:style][:color]
+                style_options[:b] = _data[:style][:bold] if _data[:style].key?(:bold)
+                style_options[:bg_color] = _data[:style][:bg_color] if _data[:style][:bg_color]
+                
+                # 创建新样式
+                cell_style = workbook.styles.add_style(style_options)
+                cell_styles[col_index] = cell_style
+                _data = _data[:value]
+              end
+
               if header[:merge].present? && last_row.present? && _data == last_row[col_index]
                 # 这里使用二维数组，每个数组里都是列内容相同的各行
                 merge_column_hash[col_index] ||= []
@@ -158,7 +179,13 @@ module TalltyImportExport
               row.push(_data)
               formats.push(header[:format]&.to_sym || (_data.is_a?(String) ? :string : nil))
             end
-            sheet.add_row row, style: title3, height: @row_height, types: formats
+            
+            # 添加行并应用样式
+            row_cells = sheet.add_row(row, style: title3, height: @row_height, types: formats).cells
+            # 应用自定义样式
+            cell_styles.each_with_index do |style, col_index|
+              row_cells[col_index].style = style if style
+            end
             last_row = row
           end
         end
@@ -226,23 +253,33 @@ module TalltyImportExport
 
     # 处理一个记录的数据
     def handle_data(record, header, index = 0, **opts)
-      data =
-        if header[:key] == '_index'
-          index
-        elsif header[:method].present?
-          send(header[:method], record, header)
-        elsif header[:chain].present?
-          try_chain(record, header[:chain])
-        elsif header[:proc] && header[:proc].respond_to?(:call)
-          header[:proc].call(record, context)
-        else
-          try_method(record, header[:key], prefix: [header[:prefix], header[:json]].compact.join('.'))
-        end
-      data = handle_format(data, header, **opts)
-      data = handle_data_type(data, **opts)
-      data = handle_select(data, header, **opts)
-    rescue StandardError
-      ''
+      begin
+        data = 
+          if header[:key] == '_index'
+            index
+          elsif header[:method].present?
+            send(header[:method], record, header)
+          elsif header[:chain].present?
+            try_chain(record, header[:chain])
+          elsif header[:proc] && header[:proc].respond_to?(:call)
+            result = header[:proc].call(record, context)
+            # 如果 proc 返回的是带有样式信息的哈希，直接返回
+            if result.is_a?(Hash) && result.key?(:value) && result.key?(:style)
+              return result
+            end
+            result
+          else
+            try_method(record, header[:key], prefix: [header[:prefix], header[:json]].compact.join('.'))
+          end
+        
+        # 处理普通数据
+        data = handle_format(data, header, **opts)
+        data = handle_data_type(data, **opts)
+        handle_select(data, header, **opts)
+      rescue StandardError => e
+        Rails.logger.error "Error in handle_data: #{e.message}\n#{e.backtrace.join("\n")}" if defined?(Rails)
+        ''
+      end
     end
 
     def try_chain(payload, arr)