refactor: 将结果预览重构为独立页面

- 创建新的pages/result页面用于图片预览
- 修改index页面改用页面跳转替换组件调用
- 通过URL参数传递图片数据
- 在app.config.ts中注册新页面路由
- 删除ImageResultViewer组件，功能迁移至result页面
- 优化页面状态管理，简化index页面逻辑

src/app.config.ts

@@ -1,6 +1,7 @@
 export default defineAppConfig({
   pages: [
-    'pages/index/index'
+    'pages/index/index',
+    'pages/result/index'
   ],
   window: {
     backgroundTextStyle: 'light',

src/pages/index/index.tsx

@@ -1,17 +1,16 @@
 import { View } from '@tarojs/components'
 import { useState } from 'react'
+import { navigateTo } from '@tarojs/taro'
 import './index.css'
 import { useSdk } from '../../hooks/index'
 import UploadButton from '../../components/UploadButton'
 import LoadingOverlay from '../../components/LoadingOverlay'
-import ImageResultViewer from '../../components/ImageResultViewer'
 import ErrorOverlay from '../../components/ErrorOverlay'
 
-type PageStep = 'upload' | 'loading' | 'result' | 'error'
+type PageStep = 'upload' | 'loading' | 'error'
 
 interface AppState {
   step: PageStep;
-  images: string[];
   error: string | null;
 }
 
@@ -19,7 +18,6 @@ export default function Index() {
   const sdk = useSdk()
   const [state, setState] = useState<AppState>({
     step: 'upload',
-    images: [],
     error: null
   })
 
@@ -29,7 +27,7 @@ export default function Index() {
       const task_id = await sdk.chooseAndGenerateImage({
         onImageSelected: () => {
           // 选择图片完成后立即显示loading
-          setState({ step: 'loading', images: [], error: null })
+          setState({ step: 'loading', error: null })
         }
       })
       
@@ -37,15 +35,21 @@ export default function Index() {
       await new Promise((resolve) => setTimeout(resolve, 5000))
       const urls = await sdk.getTaskStatus(task_id)
 
-      setState({ step: 'result', images: urls, error: null })
+      // 跳转到结果页面
+      navigateTo({
+        url: `/pages/result/index?images=${encodeURIComponent(JSON.stringify(urls))}`
+      })
+      
+      // 重置状态
+      setState({ step: 'upload', error: null })
     } catch (error) {
       const errorMsg = error instanceof Error ? error.message : '生成失败'
-      setState({ step: 'error', images: [], error: errorMsg })
+      setState({ step: 'error', error: errorMsg })
     }
   }
 
   const resetToUpload = () => {
-    setState({ step: 'upload', images: [], error: null })
+    setState({ step: 'upload', error: null })
   }
 
   const renderCurrentStep = () => {
@@ -54,8 +58,6 @@ export default function Index() {
         return <UploadButton onUpload={chooseAndGenerateImage} />
       case 'loading': 
         return <LoadingOverlay />
-      case 'result': 
-        return <ImageResultViewer images={state.images} onClose={resetToUpload} />
       case 'error': 
         return <ErrorOverlay onRetry={resetToUpload} />
       default: 

src/pages/result/index.config.ts

@@ -0,0 +1,8 @@
+export default definePageConfig({
+  navigationBarTitleText: '图片预览',
+  navigationBarBackgroundColor: '#2c3e50',
+  navigationBarTextStyle: 'white',
+  backgroundColorTop: '#2c3e50',
+  backgroundColorBottom: '#34495e',
+  backgroundColor: '#2c3e50'
+})

src/pages/result/index.css

@@ -1,16 +1,12 @@
-.fullscreen-container {
-  position: fixed;
-  top: 0;
-  left: 0;
+.result-page {
   width: 100%;
-  height: 100%;
+  height: 100vh;
   background: black;
-  z-index: 999;
   display: flex;
   flex-direction: column;
 }
 
-.fullscreen-header {
+.result-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
@@ -25,7 +21,7 @@
   border-bottom: 2rpx solid rgba(255, 255, 255, 0.1);
 }
 
-.fullscreen-title {
+.result-title {
   font-size: 36rpx;
   font-weight: bold;
 }
@@ -42,7 +38,7 @@
   text-align: center;
 }
 
-.fullscreen-image-container {
+.result-image-container {
   flex: 1;
   width: 100%;
   position: relative;
@@ -80,7 +76,7 @@
   z-index: 1;
 }
 
-.fullscreen-image {
+.result-image {
   max-width: 100%;
   max-height: 100%;
   width: 100%;

src/pages/result/index.tsx

@@ -1,16 +1,13 @@
-import { View, Text, Button, Image } from '@tarojs/components'
-import { memo } from 'react'
-import { saveImageToPhotosAlbum, downloadFile, showToast } from '@tarojs/taro'
+import { View, Image } from '@tarojs/components'
+import { memo, useEffect, useState } from 'react'
+import { saveImageToPhotosAlbum, downloadFile, showToast, navigateBack, getCurrentInstance } from '@tarojs/taro'
 import { useAd } from '../../hooks/useAd'
-import DownloadSection from '../DownloadSection'
+import DownloadSection from '../../components/DownloadSection'
 import './index.css'
 
-interface ImageResultViewerProps {
-  images: string[]
-  onClose: () => void
-}
-
-const ImageResultViewer: React.FC<ImageResultViewerProps> = memo(({ images, onClose }) => {
+const ResultPage: React.FC = memo(() => {
+  const [images, setImages] = useState<string[]>([])
+  
   // 广告激励下载功能
   const { loading: adLoading } = useAd({
     onReward: () => {
@@ -24,8 +21,36 @@ const ImageResultViewer: React.FC<ImageResultViewerProps> = memo(({ images, onCl
     }
   })
 
+  useEffect(() => {
+    // 获取页面参数
+    const instance = getCurrentInstance()
+    const params = instance?.router?.params
+    
+    if (params?.images) {
+      try {
+        const imageList = JSON.parse(decodeURIComponent(params.images))
+        setImages(imageList)
+      } catch (error) {
+        console.error('解析图片参数失败:', error)
+        showToast({
+          title: '参数错误',
+          icon: 'error'
+        })
+        navigateBack()
+      }
+    } else {
+      showToast({
+        title: '缺少图片参数',
+        icon: 'error'
+      })
+      navigateBack()
+    }
+  }, [])
+
   // 下载图片到本地相册
   const handleDownloadImages = async () => {
+    if (!images.length) return
+    
     try {
       showToast({ title: '开始下载...', icon: 'loading' })
 
@@ -52,25 +77,14 @@ const ImageResultViewer: React.FC<ImageResultViewerProps> = memo(({ images, onCl
     }
   }
 
-  // 触发看广告下载
-  // const handleWatchAdToDownload = () => {
-  //   if (adLoading) {
-  //     showToast({ title: '广告加载中...', icon: 'loading' })
-  //     return
-  //   }
-  //   showAd()
-  // }
+  if (!images.length) {
+    return null
+  }
 
   return (
-    <View className="fullscreen-container">
-      <View className="fullscreen-header">
-        <Text className="fullscreen-title">图片预览</Text>
-        <View className="close-btn" onClick={onClose}>
-          ✕
-        </View>
-      </View>
+    <View className="result-page">
       <View
-        className="fullscreen-image-container"
+        className="result-image-container"
         style={{
           backgroundImage: `url(${images[0]})`,
           backgroundSize: 'cover',
@@ -79,7 +93,7 @@ const ImageResultViewer: React.FC<ImageResultViewerProps> = memo(({ images, onCl
         }}
       >
         <View className="backdrop-blur">
-          <Image className="fullscreen-image" src={images[0]} mode="aspectFit" />
+          <Image className="result-image" src={images[0]} mode="aspectFit" />
         </View>
       </View>
       <DownloadSection onDownload={handleDownloadImages} loading={adLoading} />
@@ -87,4 +101,4 @@ const ImageResultViewer: React.FC<ImageResultViewerProps> = memo(({ images, onCl
   )
 })
 
-export default ImageResultViewer
+export default ResultPage