feat: 完善后台管理+搜索功能+分销系统
主要更新: - 后台菜单精简(9项→6项) - 新增搜索功能(敏感信息过滤) - 分销绑定和提现系统完善 - 数据库初始化API(自动修复表结构) - 用户管理:显示绑定关系详情 - 小程序:上下章导航优化、匹配页面重构 - 修复hydration和数据类型问题
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134
app/api/upload/route.ts
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134
app/api/upload/route.ts
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/**
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* 图片上传API
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* 支持上传图片到public/assets目录
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*/
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import { NextRequest, NextResponse } from 'next/server'
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import { writeFile, mkdir } from 'fs/promises'
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import { existsSync } from 'fs'
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import path from 'path'
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// 支持的图片格式
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const ALLOWED_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/svg+xml']
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const MAX_SIZE = 5 * 1024 * 1024 // 5MB
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/**
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* POST - 上传图片
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*/
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export async function POST(request: NextRequest) {
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try {
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const formData = await request.formData()
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const file = formData.get('file') as File | null
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const folder = formData.get('folder') as string || 'uploads'
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if (!file) {
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return NextResponse.json({
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success: false,
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error: '请选择要上传的文件'
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}, { status: 400 })
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}
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// 验证文件类型
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if (!ALLOWED_TYPES.includes(file.type)) {
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return NextResponse.json({
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success: false,
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error: '不支持的文件格式,仅支持 JPG、PNG、GIF、WebP、SVG'
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}, { status: 400 })
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}
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// 验证文件大小
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if (file.size > MAX_SIZE) {
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return NextResponse.json({
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success: false,
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error: '文件大小不能超过5MB'
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}, { status: 400 })
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}
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// 生成唯一文件名
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const timestamp = Date.now()
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const randomStr = Math.random().toString(36).substring(2, 8)
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const ext = file.name.split('.').pop() || 'jpg'
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const fileName = `${timestamp}_${randomStr}.${ext}`
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// 确保上传目录存在
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const uploadDir = path.join(process.cwd(), 'public', 'assets', folder)
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if (!existsSync(uploadDir)) {
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await mkdir(uploadDir, { recursive: true })
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}
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// 写入文件
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const filePath = path.join(uploadDir, fileName)
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const bytes = await file.arrayBuffer()
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const buffer = Buffer.from(bytes)
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await writeFile(filePath, buffer)
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// 返回可访问的URL
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const url = `/assets/${folder}/${fileName}`
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return NextResponse.json({
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success: true,
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data: {
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url,
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fileName,
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size: file.size,
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type: file.type
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}
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})
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} catch (error) {
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console.error('[Upload API] 上传失败:', error)
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return NextResponse.json({
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success: false,
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error: '上传失败: ' + (error as Error).message
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}, { status: 500 })
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}
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}
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/**
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* DELETE - 删除图片
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*/
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export async function DELETE(request: NextRequest) {
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try {
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const { searchParams } = new URL(request.url)
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const filePath = searchParams.get('path')
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if (!filePath) {
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return NextResponse.json({
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success: false,
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error: '请指定要删除的文件路径'
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}, { status: 400 })
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}
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// 安全检查:确保只能删除assets目录下的文件
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if (!filePath.startsWith('/assets/')) {
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return NextResponse.json({
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success: false,
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error: '无权限删除此文件'
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}, { status: 403 })
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}
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const fullPath = path.join(process.cwd(), 'public', filePath)
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if (!existsSync(fullPath)) {
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return NextResponse.json({
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success: false,
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error: '文件不存在'
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}, { status: 404 })
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}
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const { unlink } = await import('fs/promises')
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await unlink(fullPath)
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return NextResponse.json({
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success: true,
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message: '文件删除成功'
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})
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} catch (error) {
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console.error('[Upload API] 删除失败:', error)
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return NextResponse.json({
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success: false,
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error: '删除失败: ' + (error as Error).message
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}, { status: 500 })
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}
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}
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