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实现连接配置的导入/导出功能

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This commit is contained in:
Baobhan Sith
2025-04-15 08:27:42 +08:00
parent fa27d40eb2
commit b58f5da52b
8 changed files with 762 additions and 28 deletions
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package-lock.json
Generated
+204 -21
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@@ -5447,10 +5604,14 @@
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@@ -5468,6 +5629,28 @@
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packages/backend/package.json
+2
View File
@@ -9,11 +9,13 @@
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"multer": "^1.4.5-lts.2",
"socks": "^2.8.4",
"sqlite3": "^5.1.7",
"ssh2": "^1.16.0",
packages/backend/src/connections/connections.controller.ts
+344 -2
View File
@@ -746,7 +746,349 @@ export const testConnection = async (req: Request, res: Response): Promise<void>
}
} catch (error: any) {
console.error(`测试连接 ${connectionId} 时发生内部错误:`, error);
res.status(500).json({ success: false, message: error.message || '测试连接时发生内部服务器错误。' });
console.error(`测试连接 ${connectionId} 时发生内部错误:`, error);
res.status(500).json({ success: false, message: error.message || '测试连接时发生内部服务器错误。' });
}
};
// --- 新增：导出连接配置 ---
/**
* 导出所有连接配置 (GET /api/v1/connections/export)
*/
export const exportConnections = async (req: Request, res: Response): Promise<void> => {
const userId = req.session.userId; // 保留以备将来多用户
try {
// 1. 查询所有连接及其关联的代理信息
const connectionsWithProxies = await new Promise<any[]>((resolve, reject) => {
db.all(
`SELECT
c.id, c.name, c.host, c.port, c.username, c.auth_method,
c.encrypted_password, c.encrypted_private_key, c.encrypted_passphrase,
c.proxy_id,
p.id as proxy_db_id, p.name as proxy_name, p.type as proxy_type,
p.host as proxy_host, p.port as proxy_port, p.username as proxy_username,
-- p.auth_method as proxy_auth_method, -- Removed: Column likely doesn't exist based on error
p.encrypted_password as proxy_encrypted_password
-- p.encrypted_private_key as proxy_encrypted_private_key, -- Removed: Column likely doesn't exist
-- p.encrypted_passphrase as proxy_encrypted_passphrase -- Removed: Column likely doesn't exist
FROM connections c
LEFT JOIN proxies p ON c.proxy_id = p.id
ORDER BY c.name ASC`,
(err, rows: any[]) => {
if (err) {
console.error('查询连接和代理信息以供导出时出错:', err.message);
return reject(new Error('导出连接失败：查询连接信息出错'));
}
resolve(rows);
}
);
});
// 2. 查询所有连接的标签信息
const connectionTags = await new Promise<{[connId: number]: number[]}>((resolve, reject) => {
db.all('SELECT connection_id, tag_id FROM connection_tags', (err, rows: {connection_id: number, tag_id: number}[]) => {
if (err) {
console.error('查询连接标签以供导出时出错:', err.message);
return reject(new Error('导出连接失败：查询标签信息出错'));
}
const tagsMap: {[connId: number]: number[]} = {};
rows.forEach(row => {
if (!tagsMap[row.connection_id]) {
tagsMap[row.connection_id] = [];
}
tagsMap[row.connection_id].push(row.tag_id);
});
resolve(tagsMap);
});
});
// 3. 格式化数据以供导出
const formattedData = connectionsWithProxies.map(row => {
const connection: any = {
// 不导出 id，因为导入时需要重新创建
name: row.name,
host: row.host,
port: row.port,
username: row.username,
auth_method: row.auth_method,
encrypted_password: row.encrypted_password,
encrypted_private_key: row.encrypted_private_key,
encrypted_passphrase: row.encrypted_passphrase,
tag_ids: connectionTags[row.id] || [], // 从 map 中获取标签 ID
// 不导出 created_at, updated_at, last_connected_at
};
// 添加代理信息（如果存在）
if (row.proxy_db_id) {
connection.proxy = {
// 不导出代理的 id，因为导入时可能需要重新创建或匹配
name: row.proxy_name,
type: row.proxy_type,
host: row.proxy_host,
port: row.proxy_port,
username: row.proxy_username,
// auth_method: row.proxy_auth_method, // Removed
encrypted_password: row.proxy_encrypted_password
// encrypted_private_key: row.proxy_encrypted_private_key, // Removed
// encrypted_passphrase: row.proxy_encrypted_passphrase, // Removed
};
} else {
connection.proxy = null; // 明确设为 null
}
return connection;
});
// 4. 设置响应头，提示浏览器下载文件
const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
const filename = `nexus-terminal-connections-${timestamp}.json`;
res.setHeader('Content-Disposition', `attachment; filename="${filename}"`);
res.setHeader('Content-Type', 'application/json');
// 发送 JSON 数据
res.status(200).json(formattedData);
} catch (error: any) {
console.error('导出连接时发生错误:', error);
res.status(500).json({ message: error.message || '导出连接时发生内部服务器错误。' });
}
};
// --- 新增：导入连接配置 ---
/**
* 导入连接配置 (POST /api/v1/connections/import)
*/
export const importConnections = async (req: Request, res: Response): Promise<void> => {
const userId = req.session.userId; // 保留以备将来多用户
if (!req.file) {
res.status(400).json({ message: '未找到上传的文件 (需要名为 "connectionsFile" 的文件)。' });
return;
}
let importedData: any[];
try {
const fileContent = req.file.buffer.toString('utf8');
importedData = JSON.parse(fileContent);
if (!Array.isArray(importedData)) {
throw new Error('JSON 文件内容必须是一个数组。');
}
} catch (error: any) {
res.status(400).json({ message: `解析 JSON 文件失败: ${error.message}` });
return;
}
let successCount = 0;
let failureCount = 0;
const errors: { connectionName?: string; message: string }[] = [];
const now = Math.floor(Date.now() / 1000);
// 准备数据库语句
const findProxyStmt = db.prepare(`SELECT id FROM proxies WHERE name = ? AND type = ? AND host = ? AND port = ?`);
// 恢复为文档定义的列
const insertProxyStmt = db.prepare(`INSERT INTO proxies (name, type, host, port, username, auth_method, encrypted_password, encrypted_private_key, encrypted_passphrase, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`);
const insertConnStmt = db.prepare(`INSERT INTO connections (name, host, port, username, auth_method, encrypted_password, encrypted_private_key, encrypted_passphrase, proxy_id, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`);
const insertTagStmt = db.prepare(`INSERT INTO connection_tags (connection_id, tag_id) VALUES (?, ?)`);
try { // Wrap the entire database operation in a try block
await new Promise<void>((resolveOuter, rejectOuter) => {
// 使用事务处理导入
db.serialize(() => { // Removed async here
db.run('BEGIN TRANSACTION', async (beginErr: Error | null) => { // <--- Added async here
if (beginErr) return rejectOuter(new Error(`开始事务失败: ${beginErr.message}`));
try {
// 使用 Promise.allSettled 来处理所有连接的导入
const importPromises = importedData.map(connData => (async () => { // async IIFE
// 1. 验证基本连接数据结构
if (!connData.name || !connData.host || !connData.port || !connData.username || !connData.auth_method) {
// failureCount++; // 由 allSettled 结果判断
// errors.push({ connectionName: connData.name || '未知连接', message: '缺少必要的连接字段 (name, host, port, username, auth_method)。' });
throw new Error('缺少必要的连接字段 (name, host, port, username, auth_method)。');
}
// 验证 auth_method 和凭证
if (connData.auth_method === 'password' && !connData.encrypted_password) {
throw new Error('密码认证缺少 encrypted_password。');
}
if (connData.auth_method === 'key' && !connData.encrypted_private_key) {
throw new Error('密钥认证缺少 encrypted_private_key。');
}
let proxyIdToUse: number | null = null;
// 2. 处理代理信息（如果存在）
if (connData.proxy) {
const proxyData = connData.proxy;
// 验证代理数据
if (!proxyData.name || !proxyData.type || !proxyData.host || !proxyData.port /* || !proxyData.auth_method */) { // auth_method 可能不存在，暂时移除强制校验
throw new Error('代理信息不完整 (缺少 name, type, host, port)。');
}
// 验证代理凭证存在性 (如果 auth_method 存在)
if (proxyData.auth_method === 'password' && !proxyData.encrypted_password) {
throw new Error('代理密码认证缺少 encrypted_password。');
}
if (proxyData.auth_method === 'key' && !proxyData.encrypted_private_key) {
throw new Error('代理密钥认证缺少 encrypted_private_key。');
}
// 尝试查找现有代理
const existingProxy = await new Promise<{ id: number } | undefined>((resolve, reject) => {
findProxyStmt.get(proxyData.name, proxyData.type, proxyData.host, proxyData.port, (err: Error | null, row: { id: number } | undefined) => {
if (err) return reject(new Error(`查找代理时出错: ${err.message}`));
resolve(row);
});
});
if (existingProxy) {
proxyIdToUse = existingProxy.id;
console.log(`导入连接 ${connData.name}: 找到现有代理 ${proxyData.name} (ID: ${proxyIdToUse})`);
} else {
// 代理不存在，创建新代理
console.log(`导入连接 ${connData.name}: 代理 ${proxyData.name} 不存在，正在创建...`);
const proxyResult = await new Promise<{ lastID: number }>((resolve, reject) => {
insertProxyStmt.run(
proxyData.name, proxyData.type, proxyData.host, proxyData.port,
proxyData.username || null,
// 恢复为文档定义的参数
proxyData.auth_method || 'none', // 提供默认值 'none' 如果不存在
proxyData.encrypted_password || null,
proxyData.encrypted_private_key || null,
proxyData.encrypted_passphrase || null,
now, now,
function (this: Statement, err: Error | null) {
if (err) return reject(new Error(`创建代理时出错: ${err.message}`));
resolve({ lastID: (this as any).lastID });
}
);
});
proxyIdToUse = proxyResult.lastID;
console.log(`导入连接 ${connData.name}: 新代理 ${proxyData.name} 创建成功 (ID: ${proxyIdToUse})`);
}
} // 结束代理处理
// 3. 插入连接信息
const connResult = await new Promise<{ lastID: number }>((resolve, reject) => {
insertConnStmt.run(
connData.name, connData.host, connData.port, connData.username, connData.auth_method,
connData.encrypted_password || null,
connData.encrypted_private_key || null,
connData.encrypted_passphrase || null,
proxyIdToUse, // 使用找到或创建的代理 ID
now, now,
function (this: Statement, err: Error | null) {
if (err) return reject(new Error(`插入连接时出错: ${err.message}`));
resolve({ lastID: (this as any).lastID });
}
);
});
const newConnectionId = connResult.lastID;
// 4. 处理标签关联
if (Array.isArray(connData.tag_ids) && connData.tag_ids.length > 0) {
for (const tagId of connData.tag_ids) {
if (typeof tagId === 'number' && tagId > 0) {
// 注意：这里假设 tagId 在 tags 表中已存在。
await new Promise<void>((resolve, reject) => {
insertTagStmt.run(newConnectionId, tagId, (err: Error | null) => {
if (err) {
console.warn(`导入连接 ${connData.name}: 关联标签 ID ${tagId} 失败: ${err.message}`);
// 决定是否因此失败
// reject(new Error(`关联标签 ID ${tagId} 失败: ${err.message}`));
}
resolve(); // 继续处理下一个标签
});
});
}
}
}
// 如果 IIFE 成功完成，返回 null 或 undefined 表示成功
return null;
})().catch(err => { // 捕获 async IIFE 中的错误
// 返回一个包含错误信息的对象，以便 Promise.allSettled 处理
return { connectionName: connData.name || '未知连接', error: err };
})); // 结束 map 和 async IIFE
// 等待所有导入 Promise 完成
const results = await Promise.allSettled(importPromises);
// 处理结果
results.forEach(result => {
if (result.status === 'fulfilled' && result.value?.error) {
// IIFE 成功执行但内部捕获并返回了错误
failureCount++;
errors.push({ connectionName: result.value.connectionName, message: result.value.error.message });
} else if (result.status === 'fulfilled') {
// IIFE 成功执行且没有返回错误
successCount++;
} else { // status === 'rejected' - IIFE 本身抛出未捕获错误
failureCount++;
const reason = result.reason as any;
// 尝试获取 connectionName，如果 IIFE 在早期失败可能没有
const name = importedData[results.indexOf(result)]?.name || '未知连接';
errors.push({ connectionName: name, message: reason?.message || '未知导入错误' });
}
});
// 根据是否有失败决定提交或回滚
if (failureCount > 0) {
console.warn(`导入连接存在 ${failureCount} 个错误，正在回滚事务...`);
db.run('ROLLBACK', (rollbackErr: Error | null) => {
if (rollbackErr) console.error("回滚事务失败:", rollbackErr);
// 即使回滚失败，仍需告知前端导入失败
rejectOuter(new Error(`导入失败，存在 ${failureCount} 个错误。`)); // 使用 rejectOuter 传递错误
});
} else {
// 所有记录处理完毕，提交事务
db.run('COMMIT', (commitErr: Error | null) => {
if (commitErr) {
console.error('提交导入事务时出错:', commitErr);
rejectOuter(new Error(`提交导入事务失败: ${commitErr.message}`));
} else {
resolveOuter(); // 事务成功，resolve 外层 Promise
}
});
}
} catch (innerError: any) {
// 捕获 Promise.allSettled 或其他同步错误
console.error('导入事务内部出错:', innerError);
db.run('ROLLBACK', (rollbackErr: Error | null) => {
if (rollbackErr) console.error("回滚事务失败:", rollbackErr);
rejectOuter(innerError); // 将内部错误传递出去
});
}
}); // 结束 BEGIN TRANSACTION 回调
}); // 结束 db.serialize
}); // 结束 new Promise
// 如果 Promise 成功 resolve (事务提交成功)
res.status(200).json({
message: `导入成功完成。共导入 ${successCount} 条连接。`,
successCount,
failureCount: 0
});
} catch (error: any) { // 捕获外层 try 或 rejectOuter 传递的错误
console.error('导入连接时发生错误:', error);
// 如果错误是由 rejectOuter 传递的，并且包含失败计数，则使用它
if (failureCount > 0) {
res.status(400).json({
message: error.message || `导入失败，存在 ${failureCount} 个错误。`,
successCount,
failureCount,
errors
});
} else {
// 其他错误 (如文件解析、开始事务失败等)
res.status(500).json({ message: error.message || '导入连接时发生内部服务器错误。' });
}
} finally {
// Finalize prepared statements regardless of success or failure
// Ensure statements are finalized even if db.serialize wasn't fully entered
findProxyStmt?.finalize();
insertProxyStmt?.finalize();
insertConnStmt?.finalize();
insertTagStmt?.finalize();
}
};
packages/backend/src/connections/connections.routes.ts
+51 -2
View File
@@ -1,19 +1,68 @@
import { Router } from 'express';
import { Router, Request, Response, NextFunction } from 'express'; // 引入 Request, Response, NextFunction
import { isAuthenticated } from '../auth/auth.middleware'; // 引入认证中间件
import multer from 'multer'; // 引入 multer 用于文件上传
import {
createConnection,
getConnections,
getConnectionById, // 引入获取单个连接的控制器
updateConnection, // 引入更新连接的控制器
deleteConnection, // 引入删除连接的控制器
testConnection // 引入测试连接的控制器
testConnection, // 引入测试连接的控制器
exportConnections, // 引入导出连接的控制器
importConnections // 引入导入连接的控制器
} from './connections.controller';
const router = Router();
// 配置 multer 用于处理 JSON 文件上传 (存储在内存中)
const storage = multer.memoryStorage(); // 将文件存储在内存中作为 Buffer
const upload = multer({
storage: storage,
limits: { fileSize: 5 * 1024 * 1024 }, // 限制文件大小为 5MB
fileFilter: (req: Request, file, cb) => { // Add type for req
if (file.mimetype === 'application/json') {
cb(null, true);
} else {
// Attach error to request instead of calling cb with error directly
// This makes it easier to handle consistently and return JSON
(req as any).fileValidationError = '只允许上传 JSON 文件！';
cb(null, false); // Reject the file
}
}
});
// 应用认证中间件到所有 /connections 路由
router.use(isAuthenticated); // 恢复认证检查
// --- Specific routes before parameterized routes ---
// GET /api/v1/connections/export - 导出连接配置
router.get('/export', exportConnections);
// POST /api/v1/connections/import - 导入连接配置
router.post('/import', (req: Request, res: Response, next: NextFunction) => {
// Use multer middleware, but handle errors specifically
upload.single('connectionsFile')(req, res, (err: any) => {
// Check for file filter validation error first
if ((req as any).fileValidationError) {
return res.status(400).json({ message: (req as any).fileValidationError });
}
// Check for other multer errors (e.g., file size limit)
if (err instanceof multer.MulterError) {
return res.status(400).json({ message: `文件上传错误: ${err.message}` });
} else if (err) {
// Other unexpected errors during upload
console.error("Unexpected error during file upload:", err);
return res.status(500).json({ message: '文件上传处理失败' });
}
// If no errors, proceed to the controller
next();
});
}, importConnections);
// --- General CRUD and other routes ---
// GET /api/v1/connections - 获取连接列表
router.get('/', getConnections);
packages/data/nexus-terminal.db
BIN
View File
Binary file not shown.
packages/frontend/src/locales/en.json
+9 -1
View File
@@ -86,7 +86,15 @@
"test": {
"success": "Connection test successful!",
"failed": "Connection test failed: {error}"
}
},
"exportConnections": "Export Connections",
"importConnections": "Import Connections",
"exportError": "Failed to export connections: {message}",
"importError": "Failed to import connections: {message}",
"importErrorFileType": "Invalid file type. Please select a JSON file.",
"importErrorUnknown": "Unknown import error occurred.",
"importErrorNetwork": "Network error during import.",
"importSuccess": "Import completed. Successful: {successCount}, Failed: {failureCount}."
},
"proxies": {
"title": "Proxy Management",
packages/frontend/src/locales/zh.json
+9 -1
View File
@@ -86,7 +86,15 @@
"test": {
"success": "连接测试成功！",
"failed": "连接测试失败: {error}"
}
},
"exportConnections": "导出连接",
"importConnections": "导入连接",
"exportError": "导出连接失败: {message}",
"importError": "导入连接失败: {message}",
"importErrorFileType": "文件类型无效。请选择 JSON 文件。",
"importErrorUnknown": "发生未知导入错误。",
"importErrorNetwork": "导入过程中发生网络错误。",
"importSuccess": "导入完成。成功: {successCount}, 失败: {failureCount}."
},
"proxies": {
"title": "代理管理",
packages/frontend/src/views/ConnectionsView.vue
+143 -1
View File
@@ -62,6 +62,143 @@ const closeForm = () => {
editingConnection.value = null; // 清除编辑状态
showForm.value = false;
};
// 新增：处理导出连接按钮点击事件
const handleExportConnections = async () => {
try {
// 调用后端导出 API
const response = await fetch('/api/v1/connections/export', {
method: 'GET',
headers: {
// 如果需要认证，可能需要添加 Authorization 头
// 'Authorization': `Bearer ${token}`, // 示例
'Accept': 'application/json',
},
});
if (!response.ok) {
// 处理错误响应
const errorData = await response.json();
console.error('导出连接失败:', errorData.message || response.statusText);
alert(t('connections.exportError', { message: errorData.message || response.statusText })); // 提示用户错误
return;
}
// 获取文件名 (从 Content-Disposition 头)
const disposition = response.headers.get('Content-Disposition');
let filename = 'nexus-terminal-connections.json'; // 默认文件名
if (disposition && disposition.includes('attachment')) {
const filenameRegex = /filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/;
const matches = filenameRegex.exec(disposition);
if (matches != null && matches[1]) {
filename = matches[1].replace(/['"]/g, '');
}
}
// 创建 Blob 对象并触发下载
const blob = await response.blob();
const url = window.URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = filename;
document.body.appendChild(a); // 需要添加到 DOM 才能触发点击
a.click();
a.remove(); // 清理
window.URL.revokeObjectURL(url); // 释放对象 URL
} catch (error: any) {
console.error('导出连接时发生网络或处理错误:', error);
alert(t('connections.exportError', { message: error.message || '未知错误' }));
}
};
// --- Import/Export Logic ---
const fileInput = ref<HTMLInputElement | null>(null); // Ref for the hidden file input
// 点击导入按钮时触发文件选择
const handleImportClick = () => {
fileInput.value?.click(); // 触发隐藏 input 的点击事件
};
// 处理文件选择变化
const handleFileChange = async (event: Event) => {
const target = event.target as HTMLInputElement;
const file = target.files?.[0];
if (!file) {
return; // 没有选择文件
}
if (file.type !== 'application/json') {
alert(t('connections.importErrorFileType')); // 提示文件类型错误
target.value = ''; // 清空文件输入，以便可以再次选择相同文件
return;
}
const formData = new FormData();
formData.append('connectionsFile', file); // 'connectionsFile' 必须与后端 multer 配置匹配
try {
const response = await fetch('/api/v1/connections/import', {
method: 'POST',
body: formData,
headers: {
// 不需要 'Content-Type': 'multipart/form-data'，浏览器会自动设置
// 如果需要认证，添加 Authorization 头
'Accept': 'application/json', // 期望服务器返回 JSON
},
});
// 首先检查响应是否成功
if (!response.ok) {
let errorMsg = `${response.status} ${response.statusText}`;
try {
// 尝试解析可能的 JSON 错误体
const errorResult = await response.json();
console.error('导入连接失败 (JSON):', errorResult.message || response.statusText, errorResult.errors);
errorMsg = errorResult.message || errorMsg;
if (errorResult.errors && Array.isArray(errorResult.errors)) {
errorMsg += '\n' + errorResult.errors.map((e: any) => `- ${e.connectionName || '未知'}: ${e.message}`).join('\n');
}
} catch (jsonError) {
// 如果解析 JSON 失败，尝试读取文本
try {
const textError = await response.text();
console.error('导入连接失败 (Text):', textError);
// 如果文本错误信息不为空，则使用它，否则保留状态码/文本
if (textError) {
errorMsg = textError.substring(0, 500); // 限制长度避免过长的 HTML 错误页
}
} catch (textReadError) {
console.error('读取错误响应文本失败:', textReadError);
// 保留原始的状态码/文本错误
}
}
alert(t('connections.importError', { message: errorMsg }));
} else {
// 响应成功，解析 JSON
try {
const result = await response.json();
console.log('导入连接成功:', result);
alert(t('connections.importSuccess', { successCount: result.successCount, failureCount: result.failureCount }));
// 导入成功后刷新连接列表
connectionsStore.fetchConnections();
} catch (jsonParseError: any) {
console.error('解析成功响应 JSON 时出错:', jsonParseError);
alert(t('connections.importError', { message: `无法解析服务器成功响应: ${jsonParseError.message}` }));
}
}
} catch (error: any) {
console.error('导入连接时发生网络或处理错误:', error);
alert(t('connections.importError', { message: error.message || t('connections.importErrorNetwork') }));
} finally {
// 无论成功或失败，都清空文件输入框的值，以便用户可以重新上传相同的文件
if (target) {
target.value = '';
}
}
};
</script>
<template>
@@ -69,7 +206,12 @@ const closeForm = () => {
<h2>{{ t('connections.title') }}</h2>
<div class="actions-bar">
<button @click="openAddForm" v-if="!showForm">{{ t('connections.addConnection') }}</button>
<div> <!-- Wrap buttons -->
<button @click="openAddForm" v-if="!showForm" style="margin-right: 0.5rem;">{{ t('connections.addConnection') }}</button>
<button @click="handleExportConnections" style="margin-right: 0.5rem;">{{ t('connections.exportConnections') }}</button> <!-- Export Button -->
<button @click="handleImportClick">{{ t('connections.importConnections') }}</button> <!-- Import Button -->
<input type="file" ref="fileInput" @change="handleFileChange" accept=".json" style="display: none;" /> <!-- Hidden File Input -->
</div>
<!-- 标签筛选下拉框 -->
<select v-model="selectedTagId" class="tag-filter-select">
<option :value="null">{{ t('connections.filterAllTags') }}</option>