feat: 支持批量上传关卡

components/levels/image-uploader.tsx

@@ -5,8 +5,7 @@ import { Button } from '@/components/ui/button'
 import { X, Image as ImageIcon } from 'lucide-react'
 import Image from 'next/image'
 import { Spinner } from '@/components/ui/spinner'
-import COS from 'cos-js-sdk-v5'
-import { apiFetch } from '@/lib/api'
+import { uploadToCos } from '@/lib/cos-client'
 
 interface ImageUploaderProps {
   value: string
@@ -38,52 +37,7 @@ export function ImageUploader({ value, onChange }: ImageUploaderProps) {
     setIsUploading(true)
 
     try {
-      // Get temp key
-      const keyRes = await apiFetch('/api/cos/temp-key')
-      if (!keyRes.ok) {
-        throw new Error('获取上传凭证失败')
-      }
-      const keyData = await keyRes.json()
-
-      // Generate unique filename
-      const ext = file.name.split('.').pop() || 'jpg'
-      const timestamp = Date.now()
-      const randomStr = Math.random().toString(36).substring(2, 8)
-      const filename = `mini_game/images/${timestamp}_${randomStr}.${ext}`
-
-      // Initialize COS with temp credentials
-      const cos = new COS({
-        getAuthorization: (_options, callback) => {
-          callback({
-            TmpSecretId: keyData.credentials.tmpSecretId,
-            TmpSecretKey: keyData.credentials.tmpSecretKey,
-            SecurityToken: keyData.credentials.sessionToken,
-            StartTime: keyData.startTime,
-            ExpiredTime: keyData.expiredTime,
-          })
-        },
-      })
-
-      // Upload file
-      const uploadUrl = await new Promise<string>((resolve, reject) => {
-        cos.putObject(
-          {
-            Bucket: keyData.bucket,
-            Region: keyData.region,
-            Key: filename,
-            Body: file,
-          },
-          (err, data) => {
-            if (err) {
-              reject(new Error(err.message || '上传失败'))
-              return
-            }
-            const url = `https://${keyData.bucket}.cos.${keyData.region}.myqcloud.com/${filename}`
-            resolve(url)
-          }
-        )
-      })
-
+      const uploadUrl = await uploadToCos(file, file.name)
       onChange(uploadUrl)
     } catch (err) {
       console.error('Upload error:', err)