重写ssh前端组件，通用化

frontend/src/components/FileManager/ServerFilePanel.tsx

@@ -5,6 +5,16 @@ import React, { useEffect, useState } from 'react';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { Skeleton } from '@/components/ui/skeleton';
+import {
+    AlertDialog,
+    AlertDialogAction,
+    AlertDialogCancel,
+    AlertDialogContent,
+    AlertDialogDescription,
+    AlertDialogFooter,
+    AlertDialogHeader,
+    AlertDialogTitle,
+} from '@/components/ui/alert-dialog';
 import { ChevronRight, Folder, File, Home, ArrowLeft, Plus, Trash2, RefreshCw, Link } from 'lucide-react';
 import { browseDirectory, createDirectory, removeFile, pathUtils, type RemoteFileInfo } from '@/services/fileService';
 import { message } from 'antd';
@@ -20,6 +30,8 @@ export const ServerFilePanel: React.FC<ServerFilePanelProps> = ({
     const [loading, setLoading] = useState(false);
     const [showNewFolder, setShowNewFolder] = useState(false);
     const [newFolderName, setNewFolderName] = useState('');
+    const [deleteConfirmOpen, setDeleteConfirmOpen] = useState(false);
+    const [pendingDeleteFile, setPendingDeleteFile] = useState<RemoteFileInfo | null>(null);
 
     // 加载文件列表
     const loadFiles = async () => {
@@ -81,24 +93,34 @@ export const ServerFilePanel: React.FC<ServerFilePanelProps> = ({
         }
     };
 
-    // 删除文件/目录
-    const handleDelete = async (file: RemoteFileInfo) => {
-        const confirmed = window.confirm(
-            file.isDirectory
-                ? `确定删除目录 "${file.name}" 及其所有内容吗？`
-                : `确定删除文件 "${file.name}" 吗？`
-        );
-        if (!confirmed) return;
+    // 请求删除文件/目录（弹出确认框）
+    const handleDelete = (file: RemoteFileInfo) => {
+        setPendingDeleteFile(file);
+        setDeleteConfirmOpen(true);
+    };
+
+    // 确认删除
+    const handleConfirmDelete = async () => {
+        setDeleteConfirmOpen(false);
+        if (!pendingDeleteFile) return;
 
         try {
-            await removeFile(serverId, file.path, file.isDirectory);
+            await removeFile(serverId, pendingDeleteFile.path, pendingDeleteFile.isDirectory);
             message.success('删除成功');
             loadFiles();
         } catch (error: any) {
             message.error(error.response?.data?.message || '删除失败');
+        } finally {
+            setPendingDeleteFile(null);
         }
     };
 
+    // 取消删除
+    const handleCancelDelete = () => {
+        setDeleteConfirmOpen(false);
+        setPendingDeleteFile(null);
+    };
+
     // 面包屑导航
     const breadcrumbs = currentPath.split('/').filter(Boolean);
 
@@ -299,6 +321,36 @@ export const ServerFilePanel: React.FC<ServerFilePanelProps> = ({
                     )}
                 </div>
             </div>
+
+            {/* 删除确认对话框 */}
+            <AlertDialog open={deleteConfirmOpen} onOpenChange={setDeleteConfirmOpen}>
+                <AlertDialogContent>
+                    <AlertDialogHeader>
+                        <AlertDialogTitle>确认删除</AlertDialogTitle>
+                        <AlertDialogDescription>
+                            {pendingDeleteFile?.isDirectory ? (
+                                <>
+                                    确定删除目录 <span className="font-semibold text-foreground">"{pendingDeleteFile.name}"</span> 及其所有内容吗？
+                                    <br />
+                                    <span className="text-red-600">此操作不可恢复！</span>
+                                </>
+                            ) : (
+                                <>
+                                    确定删除文件 <span className="font-semibold text-foreground">"{pendingDeleteFile?.name}"</span> 吗？
+                                </>
+                            )}
+                        </AlertDialogDescription>
+                    </AlertDialogHeader>
+                    <AlertDialogFooter>
+                        <AlertDialogCancel onClick={handleCancelDelete}>
+                            取消
+                        </AlertDialogCancel>
+                        <AlertDialogAction onClick={handleConfirmDelete} className="bg-red-600 hover:bg-red-700">
+                            删除
+                        </AlertDialogAction>
+                    </AlertDialogFooter>
+                </AlertDialogContent>
+            </AlertDialog>
         </div>
     );
 };

frontend/src/components/FileManager/UploadPanel.tsx

@@ -4,8 +4,18 @@
 import React, { useState, useRef, useEffect } from 'react';
 import { Button } from '@/components/ui/button';
 import { Progress } from '@/components/ui/progress';
+import {
+    AlertDialog,
+    AlertDialogAction,
+    AlertDialogCancel,
+    AlertDialogContent,
+    AlertDialogDescription,
+    AlertDialogFooter,
+    AlertDialogHeader,
+    AlertDialogTitle,
+} from '@/components/ui/alert-dialog';
 import { Upload, X, File as FileIcon, CheckCircle, AlertCircle } from 'lucide-react';
-import { submitAsyncUpload, getUploadTaskStatus, cancelUploadTask, pathUtils } from '@/services/fileService';
+import { submitAsyncUpload, getUploadTaskStatus, cancelUploadTask, pathUtils, browseDirectory } from '@/services/fileService';
 import type { UploadTaskStatus } from '@/services/fileService';
 import { message } from 'antd';
 import type { UploadPanelProps } from './types';
@@ -27,6 +37,11 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
 }) => {
     const [uploadFiles, setUploadFiles] = useState<UploadFileItem[]>([]);
     const [isDragging, setIsDragging] = useState(false);
+    const [confirmDialogOpen, setConfirmDialogOpen] = useState(false);
+    const [pendingOverwriteItem, setPendingOverwriteItem] = useState<UploadFileItem | null>(null);
+    const [deleteConfirmOpen, setDeleteConfirmOpen] = useState(false);
+    const [pendingDeleteId, setPendingDeleteId] = useState<string | null>(null);
+    const [clearConfirmOpen, setClearConfirmOpen] = useState(false);
     const fileInputRef = useRef<HTMLInputElement>(null);
     const pollIntervalsRef = useRef<Map<string, NodeJS.Timeout>>(new Map()); // 保存所有轮询定时器
 
@@ -61,22 +76,82 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
         setUploadFiles(prev => [...prev, ...newFiles]);
     };
 
-    // 从列表移除文件
-    const removeFile = (id: string) => {
+    // 请求删除文件（弹出确认框）
+    const requestRemoveFile = (id: string) => {
+        const item = uploadFiles.find(f => f.id === id);
+        // 正在上传的需要确认
+        if (item?.status === 'uploading') {
+            setPendingDeleteId(id);
+            setDeleteConfirmOpen(true);
+        } else {
+            // 其他状态直接删除
+            doRemoveFile(id);
+        }
+    };
+
+    // 实际执行删除文件或取消上传
+    const doRemoveFile = async (id: string) => {
+        const item = uploadFiles.find(f => f.id === id);
+        
+        // 如果正在上传，先取消任务
+        if (item?.status === 'uploading' && item.taskId) {
+            try {
+                await cancelUploadTask(serverId, item.taskId);
+                message.success('上传已取消');
+            } catch (error) {
+                console.error('取消上传失败:', error);
+            }
+        }
+        
         // 停止轮询
         const interval = pollIntervalsRef.current.get(id);
         if (interval) {
             clearInterval(interval);
             pollIntervalsRef.current.delete(id);
         }
+        
         // 移除文件
         setUploadFiles(prev => prev.filter(f => f.id !== id));
     };
 
+    // 确认删除
+    const handleConfirmDelete = async () => {
+        setDeleteConfirmOpen(false);
+        if (pendingDeleteId) {
+            await doRemoveFile(pendingDeleteId);
+            setPendingDeleteId(null);
+        }
+    };
+
+    // 取消删除
+    const handleCancelDelete = () => {
+        setDeleteConfirmOpen(false);
+        setPendingDeleteId(null);
+    };
+
     // 上传单个文件（异步上传+轮询）
-    const uploadSingleFile = async (item: UploadFileItem) => {
+    const uploadSingleFile = async (item: UploadFileItem, overwrite: boolean = false, skipCheck: boolean = false) => {
         const remotePath = pathUtils.join(currentPath, item.file.name);
 
+        // 如果不是覆盖模式且未跳过检查，先检查文件是否已存在
+        if (!overwrite && !skipCheck) {
+            try {
+                // 使用browseDirectory API检查文件是否存在
+                const files = await browseDirectory(serverId, currentPath);
+                const fileExists = files.some(f => f.name === item.file.name && !f.isDirectory);
+                
+                if (fileExists) {
+                    // 文件已存在，弹出确认对话框
+                    setPendingOverwriteItem(item);
+                    setConfirmDialogOpen(true);
+                    return; // 暂停上传，等待用户决定
+                }
+            } catch (error) {
+                console.log('检查文件是否存在时出错:', error);
+                // 检查失败，继续上传
+            }
+        }
+
         try {
             // 1. 提交异步上传任务
             setUploadFiles(prev =>
@@ -87,7 +162,7 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
                 )
             );
 
-            const result = await submitAsyncUpload(serverId, item.file, remotePath, false);
+            const result = await submitAsyncUpload(serverId, item.file, remotePath, overwrite);
             const taskId = result.taskId;
 
             // 2. 保存taskId
@@ -101,6 +176,8 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
             startPolling(item.id, taskId);
         } catch (error: any) {
             const errorMsg = error.response?.data?.message || '提交上传任务失败';
+            
+            // 直接显示后端返回的错误信息
             setUploadFiles(prev =>
                 prev.map(f =>
                     f.id === item.id
@@ -112,6 +189,32 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
         }
     };
 
+    // 处理用户确认覆盖
+    const handleConfirmOverwrite = async () => {
+        setConfirmDialogOpen(false);
+        if (pendingOverwriteItem) {
+            // 以覆盖模式重新上传，跳过检查
+            await uploadSingleFile(pendingOverwriteItem, true, true);
+            setPendingOverwriteItem(null);
+        }
+    };
+
+    // 处理用户取消覆盖
+    const handleCancelOverwrite = () => {
+        setConfirmDialogOpen(false);
+        if (pendingOverwriteItem) {
+            // 标记为错误状态
+            setUploadFiles(prev =>
+                prev.map(f =>
+                    f.id === pendingOverwriteItem.id
+                        ? { ...f, status: 'error', errorMessage: '用户取消覆盖' }
+                        : f
+                )
+            );
+            setPendingOverwriteItem(null);
+        }
+    };
+
     // 轮询查询上传状态
     const startPolling = (fileId: string, taskId: string) => {
         const pollInterval = setInterval(async () => {
@@ -143,6 +246,8 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
                     clearInterval(pollInterval);
                     pollIntervalsRef.current.delete(fileId);
                     const errorMsg = taskInfo.errorMessage || '上传失败';
+                    
+                    // 直接显示后端返回的错误信息
                     setUploadFiles(prev =>
                         prev.map(f =>
                             f.id === fileId
@@ -150,7 +255,7 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
                                 : f
                         )
                     );
-                    message.error(`${taskInfo.fileName}: ${errorMsg}`);
+                    message.error(`上传失败: ${errorMsg}`);
                 } else if (taskInfo.status === 'CANCELLED') {
                     clearInterval(pollInterval);
                     pollIntervalsRef.current.delete(fileId);
@@ -181,9 +286,21 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
         }
     };
 
-    // 清空列表
+    // 请求清空列表（弹出确认框）
     const handleClearList = () => {
+        setClearConfirmOpen(true);
+    };
+
+    // 确认清空列表
+    const handleConfirmClear = () => {
+        setClearConfirmOpen(false);
         setUploadFiles([]);
+        message.success('列表已清空');
+    };
+
+    // 取消清空
+    const handleCancelClear = () => {
+        setClearConfirmOpen(false);
     };
 
     // 拖拽事件处理
@@ -311,16 +428,22 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
                                                 {item.status === 'error' && (
                                                     <AlertCircle className="h-4 w-4 text-red-500" />
                                                 )}
-                                                {item.status === 'pending' && (
+                                                {/* 所有状态都显示X按钮 */}
                                                 <Button
                                                     size="sm"
                                                     variant="ghost"
                                                     className="h-6 w-6 p-0"
-                                                        onClick={() => removeFile(item.id)}
+                                                    onClick={() => requestRemoveFile(item.id)}
+                                                    title={
+                                                        item.status === 'uploading' 
+                                                            ? '取消上传' 
+                                                            : item.status === 'pending'
+                                                            ? '删除' 
+                                                            : '删除记录'
+                                                    }
                                                 >
                                                     <X className="h-4 w-4" />
                                                 </Button>
-                                                )}
                                             </div>
                                         </div>
                                         <div className="flex items-center gap-2 mt-1">
@@ -353,6 +476,66 @@ export const UploadPanel: React.FC<UploadPanelProps> = ({
                     </div>
                 )}
             </div>
+
+            {/* 覆盖确认对话框 */}
+            <AlertDialog open={confirmDialogOpen} onOpenChange={setConfirmDialogOpen}>
+                <AlertDialogContent>
+                    <AlertDialogHeader>
+                        <AlertDialogTitle>文件已存在</AlertDialogTitle>
+                        <AlertDialogDescription>
+                            文件 <span className="font-semibold text-foreground">{pendingOverwriteItem?.file.name}</span> 已存在，是否覆盖？
+                        </AlertDialogDescription>
+                    </AlertDialogHeader>
+                    <AlertDialogFooter>
+                        <AlertDialogCancel onClick={handleCancelOverwrite}>
+                            取消
+                        </AlertDialogCancel>
+                        <AlertDialogAction onClick={handleConfirmOverwrite}>
+                            覆盖
+                        </AlertDialogAction>
+                    </AlertDialogFooter>
+                </AlertDialogContent>
+            </AlertDialog>
+
+            {/* 删除确认对话框 */}
+            <AlertDialog open={deleteConfirmOpen} onOpenChange={setDeleteConfirmOpen}>
+                <AlertDialogContent>
+                    <AlertDialogHeader>
+                        <AlertDialogTitle>取消上传</AlertDialogTitle>
+                        <AlertDialogDescription>
+                            确定要取消正在上传的文件吗？
+                        </AlertDialogDescription>
+                    </AlertDialogHeader>
+                    <AlertDialogFooter>
+                        <AlertDialogCancel onClick={handleCancelDelete}>
+                            取消
+                        </AlertDialogCancel>
+                        <AlertDialogAction onClick={handleConfirmDelete}>
+                            确定
+                        </AlertDialogAction>
+                    </AlertDialogFooter>
+                </AlertDialogContent>
+            </AlertDialog>
+
+            {/* 清空列表确认对话框 */}
+            <AlertDialog open={clearConfirmOpen} onOpenChange={setClearConfirmOpen}>
+                <AlertDialogContent>
+                    <AlertDialogHeader>
+                        <AlertDialogTitle>清空列表</AlertDialogTitle>
+                        <AlertDialogDescription>
+                            确定要清空所有上传记录吗？此操作不可恢复。
+                        </AlertDialogDescription>
+                    </AlertDialogHeader>
+                    <AlertDialogFooter>
+                        <AlertDialogCancel onClick={handleCancelClear}>
+                            取消
+                        </AlertDialogCancel>
+                        <AlertDialogAction onClick={handleConfirmClear}>
+                            确定清空
+                        </AlertDialogAction>
+                    </AlertDialogFooter>
+                </AlertDialogContent>
+            </AlertDialog>
         </div>
     );
 };

frontend/src/components/ui/alert-dialog.tsx

@@ -16,9 +16,10 @@ const AlertDialogOverlay = React.forwardRef<
 >(({ className, ...props }, ref) => (
   <AlertDialogPrimitive.Overlay
     className={cn(
-      "fixed inset-0 z-50 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      "fixed inset-0 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
       className
     )}
+    style={{ zIndex: 1100 }}
     {...props}
     ref={ref}
   />
@@ -34,9 +35,10 @@ const AlertDialogContent = React.forwardRef<
     <AlertDialogPrimitive.Content
       ref={ref}
       className={cn(
-        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        "fixed left-[50%] top-[50%] grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
         className
       )}
+      style={{ zIndex: 1101 }}
       {...props}
     />
   </AlertDialogPortal>