feat：修复下载数据集问题、删除数据确认框、修改标题、添加列表轮询刷新 (#16)

* refactor: clean up tag management and dataset handling, update API endpoints

* feat: add showTime prop to DevelopmentInProgress component across multiple pages

* refactor: update component styles and improve layout with new utility classes

* feat: enhance useFetchData hook with polling functionality and improve task progress tracking

* feat: enhance dataset management features with improved tag handling, download functionality, and UI updates

* feat: Enhance DatasetDetail component with delete functionality and improved download handling

feat: Add automatic data refresh and improved user feedback in DatasetManagementPage

fix: Update dataset API to streamline download functionality and improve error handling

* feat: Clear new tag input after successful addition in TagManager

frontend/src/pages/DataManagement/Detail/useFilesOperation.ts

@@ -0,0 +1,124 @@
+import type {
+  Dataset,
+  DatasetFile,
+} from "@/pages/DataManagement/dataset.model";
+import { App } from "antd";
+import { useState } from "react";
+import {
+  deleteDatasetFileUsingDelete,
+  downloadFileByIdUsingGet,
+  exportDatasetUsingPost,
+  queryDatasetFilesUsingGet,
+} from "../dataset.api";
+import { useParams } from "react-router";
+
+export function useFilesOperation(dataset: Dataset) {
+  const { message } = App.useApp();
+  const { id } = useParams(); // 获取动态路由参数
+
+  // 文件相关状态
+  const [fileList, setFileList] = useState<DatasetFile[]>([]);
+  const [selectedFiles, setSelectedFiles] = useState<number[]>([]);
+
+  // 文件预览相关状态
+  const [previewVisible, setPreviewVisible] = useState(false);
+  const [previewContent, setPreviewContent] = useState("");
+  const [previewFileName, setPreviewFileName] = useState("");
+
+  const fetchFiles = async () => {
+    const { data } = await queryDatasetFilesUsingGet(id!);
+    setFileList(data.content || []);
+  };
+
+  const handleBatchDeleteFiles = () => {
+    if (selectedFiles.length === 0) {
+      message.warning({ content: "请先选择要删除的文件" });
+      return;
+    }
+    // 执行批量删除逻辑
+    selectedFiles.forEach(async (fileId) => {
+      await fetch(`/api/datasets/${dataset.id}/files/${fileId}`, {
+        method: "DELETE",
+      });
+    });
+    fetchFiles(); // 刷新文件列表
+    setSelectedFiles([]); // 清空选中状态
+    message.success({
+      content: `已删除 ${selectedFiles.length} 个文件`,
+    });
+  };
+
+  const handleDownloadFile = async (file: DatasetFile) => {
+    console.log("批量下载文件:", selectedFiles);
+    // 实际导出逻辑
+    await downloadFileByIdUsingGet(dataset.id, file.id, file.fileName);
+    // 假设导出成功
+    message.success({
+      content: `已导出 1 个文件`,
+    });
+    setSelectedFiles([]); // 清空选中状态
+  };
+
+  const handleShowFile = (file: any) => async () => {
+    // 请求文件内容并弹窗预览
+    try {
+      const res = await fetch(`/api/datasets/${dataset.id}/file/${file.id}`);
+      const data = await res.text();
+      setPreviewFileName(file.fileName);
+      setPreviewContent(data);
+      setPreviewVisible(true);
+    } catch (err) {
+      message.error({ content: "文件预览失败" });
+    }
+  };
+
+  const handleDeleteFile = async (file) => {
+    try {
+      await deleteDatasetFileUsingDelete(dataset.id, file.id);
+      fetchFiles(); // 刷新文件列表
+      message.success({ content: `文件 ${file.fileName} 已删除` });
+    } catch (error) {
+      message.error({ content: `文件 ${file.fileName} 删除失败` });
+    }
+  };
+
+  const handleBatchExport = () => {
+    if (selectedFiles.length === 0) {
+      message.warning({ content: "请先选择要导出的文件" });
+      return;
+    }
+    // 执行批量导出逻辑
+    console.log("批量导出文件:", selectedFiles);
+    exportDatasetUsingPost(dataset.id, { fileIds: selectedFiles })
+      .then(() => {
+        message.success({
+          content: `已导出 ${selectedFiles.length} 个文件`,
+        });
+        setSelectedFiles([]); // 清空选中状态
+      })
+      .catch(() => {
+        message.error({
+          content: "导出失败，请稍后再试",
+        });
+      });
+  };
+
+  return {
+    fileList,
+    selectedFiles,
+    setSelectedFiles,
+    previewVisible,
+    setPreviewVisible,
+    previewContent,
+    previewFileName,
+    setPreviewContent,
+    setPreviewFileName,
+    fetchFiles,
+    setFileList,
+    handleBatchDeleteFiles,
+    handleDownloadFile,
+    handleShowFile,
+    handleDeleteFile,
+    handleBatchExport,
+  };
+}