refactor(core):优化飞书表格写入逻辑并提取常量

- 重构 writeTableHeaders 方法以支持分批写入表头数据
- 添加对空表头列表的校验处理
- 实现按最大列数限制分片处理表头写入-重构 addRowColumns 方法支持批量添加行列操作
- 添加对添加长度为零情况的处理
- 引入 FsUtil 类统一管理飞书相关常量配置
- 提取 FS_MAX_COLUMNS_PER_REQUEST 和 FS_MAX_DIMENSION_LENGTH 常量
- 统一使用 FsUtil.ROWS 常量替代硬编码字符串"ROWS"
- 新增 getSheetTokenByFsLink 工具方法用于解析表格链接获取token

src/main/java/cn/isliu/FsHelper.java

@@ -350,7 +350,7 @@ public class FsHelper {
         int rowTotal = sheet.getGridProperties().getRowCount();
         int rowNum = rowCount.get();
         if (rowNum >= rowTotal) {
-            FsApiUtil.addRowColumns(sheetId, spreadsheetToken, "ROWS", Math.abs(rowTotal - rowNum), client);
+            FsApiUtil.addRowColumns(sheetId, spreadsheetToken, FsUtil.ROWS, Math.abs(rowTotal - rowNum), client);
         }
 
         Object resp = FsApiUtil.batchPutValues(sheetId, spreadsheetToken, resultValuesBuilder.build(), client);

src/main/java/cn/isliu/core/builder/MapWriteBuilder.java

@@ -559,7 +559,7 @@ public class MapWriteBuilder {
     private void ensureSufficientRows(Sheet sheet, int requiredRows, FeishuClient client) {
         int rowTotal = sheet.getGridProperties().getRowCount();
         if (requiredRows >= rowTotal) {
-            FsApiUtil.addRowColumns(sheetId, spreadsheetToken, "ROWS", Math.abs(requiredRows - rowTotal), client);
+            FsApiUtil.addRowColumns(sheetId, spreadsheetToken, FsUtil.ROWS, Math.abs(requiredRows - rowTotal), client);
         }
     }
 

src/main/java/cn/isliu/core/builder/WriteBuilder.java

@@ -298,7 +298,7 @@ public class WriteBuilder<T> {
         int rowTotal = sheet.getGridProperties().getRowCount();
         int rowNum = rowCount.get();
         if (rowNum >= rowTotal) {
-            FsApiUtil.addRowColumns(sheetId, spreadsheetToken, "ROWS", Math.abs(rowTotal - rowNum), client);
+            FsApiUtil.addRowColumns(sheetId, spreadsheetToken, FsUtil.ROWS, Math.abs(rowTotal - rowNum), client);
         }
 
         fileDataList.forEach(fileData -> {

src/main/java/cn/isliu/core/utils/FsApiUtil.java

@@ -435,15 +435,33 @@ public class FsApiUtil {
     /**
      * 写入表头
      */
-    public static Object writeTableHeaders(String sheetId, String spreadsheetToken, List<String> headers, int titleRow, FeishuClient client) {
+    public static Object writeTableHeaders(String sheetId, String spreadsheetToken, List<String> headers,
-        CustomValueService.ValueRequest.BatchPutValuesBuilder batchPutValuesBuilder = CustomValueService.ValueRequest.batchPutValues();
+                                           int titleRow, FeishuClient client) {
+        if (headers == null || headers.isEmpty()) {
+            return null;
+        }
+
+        CustomValueService.ValueRequest.BatchPutValuesBuilder builder =
+                CustomValueService.ValueRequest.batchPutValues();
+
+        int fromColumnIndex = 1;
+        int index = 0;
+        while (index < headers.size()) {
+            int end = Math.min(index + FsUtil.FS_MAX_COLUMNS_PER_REQUEST, headers.size());
+            List<String> slice = headers.subList(index, end);
+
+            String startColumn = FsTableUtil.getColumnNameByNuNumber(fromColumnIndex);
+            String endColumn = FsTableUtil.getColumnNameByNuNumber(fromColumnIndex + slice.size() - 1);
+            builder.addRange(sheetId + "!" + startColumn + "1:" + endColumn + "1");
+            builder.addRow(slice.toArray());
+
+            index = end;
+            fromColumnIndex += slice.size();
+        }
+
+        Object putValues = FsApiUtil.putValues(spreadsheetToken, builder.build(), client);
 
         String position = FsTableUtil.getColumnNameByNuNumber(headers.size());
-        batchPutValuesBuilder.addRange(sheetId + "!A" + titleRow + ":" + position + titleRow);
-        batchPutValuesBuilder.addRow(headers.toArray());
-
-        Object putValues = FsApiUtil.putValues(spreadsheetToken, batchPutValuesBuilder.build(), client);
-
         String[] positionArr = {"A" + titleRow, position + titleRow};
         MapSheetConfig config = MapSheetConfig.createDefault();
 
@@ -509,25 +527,40 @@ public class FsApiUtil {
 
     public static Object addRowColumns(String sheetId, String spreadsheetToken, String type, int length,FeishuClient client) {
 
-        CustomDimensionService.DimensionBatchUpdateRequest batchRequest = CustomDimensionService.DimensionBatchUpdateRequest.newBuilder()
+        if (length <= 0) {
+            return null;
+        }
+
+        Object lastRespData = null;
+        int remaining = length;
+
+        while (remaining > 0) {
+            int batchLength = Math.min(remaining, FsUtil.FS_MAX_DIMENSION_LENGTH);
+
+            CustomDimensionService.DimensionBatchUpdateRequest batchRequest =
+                    CustomDimensionService.DimensionBatchUpdateRequest.newBuilder()
                             .addRequest(CustomDimensionService.DimensionRequest.addDimension()
                                     .sheetId(sheetId)
                                     .majorDimension(type)
-                        .length(length).build())
+                                    .length(batchLength).build())
                             .build();
 
             try {
                 ApiResponse batchResp = client.customDimensions().dimensionsBatchUpdate(spreadsheetToken, batchRequest);
                 if (batchResp.success()) {
-                return batchResp.getData();
+                    lastRespData = batchResp.getData();
                 } else {
-                FsLogger.warn("【飞书表格】 添加行列失败！参数：{}，错误信息：{}", sheetId, gson.toJson(batchResp));
+                    FsLogger.warn("【飞书表格】 添加行列失败！参数：{}，长度：{}，错误信息：{}", sheetId, batchLength, gson.toJson(batchResp));
                     throw new FsHelperException("【飞书表格】 添加行列失败！");
                 }
             } catch (IOException e) {
-            FsLogger.warn("【飞书表格】 添加行列异常！参数：{}，错误信息：{}", sheetId, e.getMessage());
+                FsLogger.warn("【飞书表格】 添加行列异常！参数：{}，长度：{}，错误信息：{}", sheetId, batchLength, e.getMessage());
                 throw new FsHelperException("【飞书表格】 添加行列异常！");
             }
+
+            remaining -= batchLength;
+        }
+        return lastRespData;
     }
 
     public static Object getTableInfo(String sheetId, String spreadsheetToken, FeishuClient client) {

src/main/java/cn/isliu/core/utils/FsUtil.java

@@ -0,0 +1,25 @@
+package cn.isliu.core.utils;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+public class FsUtil {
+
+    public static final int FS_MAX_COLUMNS_PER_REQUEST = 100;
+    public static final int FS_MAX_DIMENSION_LENGTH = 5000;
+    public static final String ROWS = "ROWS";
+
+    public static String getSheetTokenByFsLink(String fsLink) {
+        if (fsLink == null) {
+            return null;
+        }
+        // 获取url 最后一个斜杆后的数据，不包含url参数
+        String path;
+        try {
+            path = new URL(fsLink).getPath();
+        } catch (MalformedURLException e) {
+            throw new RuntimeException(e);
+        }
+        return path.substring(path.lastIndexOf('/') + 1);
+    }
+}