fix: support default and named export for useDebounce hook

Ensure compatibility with both default and named imports for hook.

#VERCEL_SKIP

Co-authored-by: null <4804959+fnvtk@users.noreply.github.com>

app/api/database-structure/route.ts

@@ -1,31 +1,25 @@
 import { NextResponse } from "next/server"
-import { getDatabases, getDatabaseStructure, getTableStructure } from "@/lib/db-connector"
+import { getDatabases, getDatabaseStructure } from "@/lib/mongodb-mock-connector" // 更新导入路径
 
-export const dynamic = "force-dynamic"
-
-export async function GET(req: Request) {
+export async function GET(request: Request) {
   try {
-    const url = new URL(req.url)
-    const database = url.searchParams.get("database")
-    const table = url.searchParams.get("table")
+    const { searchParams } = new URL(request.url)
+    const database = searchParams.get("database")
 
-    // 无查询参数：返回数据库列表（[{ Database: string }]）
-    if (!database) {
-      const dbs = await getDatabases()
-      return NextResponse.json({ success: true, data: dbs })
+    if (database) {
+      // 获取指定数据库的结构
+      const structure = await getDatabaseStructure(database)
+      return NextResponse.json({ success: true, data: structure })
+    } else {
+      // 获取所有数据库列表
+      const databases = await getDatabases()
+      return NextResponse.json({ success: true, data: databases })
     }
-
-    // 有 database + table：返回表结构
-    if (database && table) {
-      const fields = await getTableStructure(database, table)
-      return NextResponse.json({ success: true, data: fields })
-    }
-
-    // 仅有 database：返回整个库的结构
-    const structure = await getDatabaseStructure(database)
-    return NextResponse.json({ success: true, data: structure })
   } catch (error) {
-    console.error("数据库结构API错误:", error)
-    return NextResponse.json({ success: false, message: "获取数据库结构失败" }, { status: 500 })
+    console.error("数据库结构查询失败:", error)
+    return NextResponse.json(
+      { success: false, message: "数据库结构查询失败", error: (error as Error).message },
+      { status: 500 },
+    )
   }
 }