feat(DataManagement): 添加按行分割文件功能

- 引入 Tooltip 和 QuestionCircleOutlined 组件用于提示信息
- 移除未使用的 useMemo 钩子和 fileSliceList 变量
- 新增 splitFileByLines 函数实现文件按行分割逻辑
- 在 handleUpload 函数中集成分行分割功能
- 添加 splitByLine 开关配置项到表单中
- 实现文本文件每行分割成独立文件的功能
- 优化文件上传处理流程以支持分割后的文件列表

frontend/src/pages/DataManagement/Detail/components/ImportConfiguration.tsx

@@ -1,13 +1,51 @@
-import { Select, Input, Form, Radio, Modal, Button, UploadFile, Switch } from "antd";
+import { Select, Input, Form, Radio, Modal, Button, UploadFile, Switch, Tooltip } from "antd";
-import { InboxOutlined } from "@ant-design/icons";
+import { InboxOutlined, QuestionCircleOutlined } from "@ant-design/icons";
 import { dataSourceOptions } from "../../dataset.const";
 import { Dataset, DataSource } from "../../dataset.model";
-import { useEffect, useMemo, useState } from "react";
+import { useEffect, useState } from "react";
 import { queryTasksUsingGet } from "@/pages/DataCollection/collection.apis";
 import { updateDatasetByIdUsingPut } from "../../dataset.api";
 import { sliceFile } from "@/utils/file.util";
 import Dragger from "antd/es/upload/Dragger";
 
+/**
+ * 按行分割文件
+ * @param file 原始文件
+ * @returns 分割后的文件列表，每行一个文件
+ */
+async function splitFileByLines(file: UploadFile): Promise<UploadFile[]> {
+  const originFile = (file as any).originFileObj || file;
+  if (!originFile || typeof originFile.text !== "function") {
+    return [file];
+  }
+
+  const text = await originFile.text();
+  if (!text) return [file];
+
+  // 按行分割并过滤空行
+  const lines = text.split(/\r?\n/).filter((line: string) => line.trim() !== "");
+  if (lines.length === 0) return [];
+
+  // 生成文件名：原文件名_序号.扩展名
+  const nameParts = file.name.split(".");
+  const ext = nameParts.length > 1 ? "." + nameParts.pop() : "";
+  const baseName = nameParts.join(".");
+  const padLength = String(lines.length).length;
+
+  return lines.map((line: string, index: number) => {
+    const newFileName = `${baseName}_${String(index + 1).padStart(padLength, "0")}${ext}`;
+    const blob = new Blob([line], { type: "text/plain" });
+    const newFile = new File([blob], newFileName, { type: "text/plain" });
+    return {
+      uid: `${file.uid}-${index}`,
+      name: newFileName,
+      size: newFile.size,
+      type: "text/plain",
+      originFileObj: newFile as any,
+    } as UploadFile;
+  });
+}
+
 export default function ImportConfiguration({
   data,
   open,
@@ -29,13 +67,6 @@ export default function ImportConfiguration({
   const [currentPrefix, setCurrentPrefix] = useState<string>("");
 
   const [fileList, setFileList] = useState<UploadFile[]>([]);
-  const fileSliceList = useMemo(() => {
-    const sliceList = fileList.map((file) => {
-      const slices = sliceFile(file);
-      return { originFile: file, slices, name: file.name, size: file.size };
-    });
-    return sliceList;
-  }, [fileList]);
 
   // 本地上传文件相关逻辑
 
@@ -44,16 +75,34 @@ export default function ImportConfiguration({
   };
 
   const handleUpload = async (dataset: Dataset) => {
-    const formData = new FormData();
+    let filesToUpload = fileList;
-    fileList.forEach((file) => {
+
-      formData.append("file", file);
+    // 如果启用分行分割，处理文件
+    if (importConfig.splitByLine) {
+      const splitResults = await Promise.all(
+        fileList.map((file) => splitFileByLines(file))
+      );
+      filesToUpload = splitResults.flat();
+    }
+
+    // 计算分片列表
+    const sliceList = filesToUpload.map((file) => {
+      const originFile = (file as any).originFileObj || file;
+      const slices = sliceFile(originFile);
+      return {
+        originFile: file,
+        slices,
+        name: file.name,
+        size: (file as any).size || originFile.size || 0,
+      };
     });
-    console.log('[ImportConfiguration] Uploading with currentPrefix:', currentPrefix);
+
+    console.log("[ImportConfiguration] Uploading with currentPrefix:", currentPrefix);
     window.dispatchEvent(
       new CustomEvent("upload:dataset", {
         detail: {
           dataset,
-          files: fileSliceList,
+          files: sliceList,
           updateEvent,
           hasArchive: importConfig.hasArchive,
           prefix: currentPrefix,
@@ -222,6 +271,21 @@ export default function ImportConfiguration({
             >
               <Switch />
             </Form.Item>
+            <Form.Item
+              label={
+                <span>
+                  按分行分割{" "}
+                  <Tooltip title="选中后，文本文件的每一行将被分割成独立文件">
+                    <QuestionCircleOutlined style={{ color: "#999" }} />
+                  </Tooltip>
+                </span>
+              }
+              name="splitByLine"
+              valuePropName="checked"
+              initialValue={false}
+            >
+              <Switch />
+            </Form.Item>
             <Form.Item
               label="上传文件"
               name="files"