Files
smalltown/app/api/upload/route.ts

53 lines
1.7 KiB
TypeScript

import { NextRequest, NextResponse } from 'next/server';
import fs from 'fs/promises';
import path from 'path';
const UPLOAD_DIR = path.join(process.cwd(), 'public/uploads');
export async function POST(request: NextRequest) {
try {
const formData = await request.formData();
const file = formData.get('file') as File | null;
if (!file) {
return NextResponse.json({ error: '请选择图片' }, { status: 400 });
}
const allowedTypes = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'];
if (!allowedTypes.includes(file.type)) {
return NextResponse.json({ error: '仅支持 JPG、PNG、GIF、WebP 格式' }, { status: 400 });
}
const ext = file.name.split('.').pop() || 'jpg';
const filename = `${Date.now()}-${Math.random().toString(36).slice(2)}.${ext}`;
const filepath = path.join(UPLOAD_DIR, filename);
const buffer = await file.arrayBuffer();
await fs.writeFile(filepath, Buffer.from(buffer));
const url = `/uploads/${filename}`;
return NextResponse.json({ url });
} catch (error) {
console.error('Upload error:', error);
return NextResponse.json({ error: '上传失败' }, { status: 500 });
}
}
export async function DELETE(request: NextRequest) {
try {
const { searchParams } = new URL(request.url);
const filename = searchParams.get('filename');
if (!filename) {
return NextResponse.json({ error: '缺少文件名' }, { status: 400 });
}
const filepath = path.join(UPLOAD_DIR, path.basename(filename));
await fs.unlink(filepath);
return NextResponse.json({ success: true });
} catch (error) {
console.error('Delete error:', error);
return NextResponse.json({ error: '删除失败' }, { status: 500 });
}
}