feat(PosterPage): 添加海报图片上传至七牛云功能

实现图片上传至七牛云的功能，包括获取文件哈希、获取上传token、处理已存在文件和新文件上传逻辑
添加上传状态提示和错误处理

 <!--
  * @Date: 2025-12-23 15:50:59
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-12-23 17:02:26
+ * @LastEditTime: 2025-12-23 17:07:47
  * @FilePath: /mlaj/src/views/recall/PosterPage.vue
  * @Description: 分享海报页面
 -->
@@ -37,9 +37,14 @@ import { ref } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { useTitle } from '@vueuse/core'
 import RecallPoster from '@/components/ui/RecallPoster.vue'
+import { qiniuTokenAPI, qiniuUploadAPI, saveFileAPI } from '@/api/common'
+import { showToast, showLoadingToast } from 'vant'
+import { qiniuFileHash } from '@/utils/qiniuFileHash'
+import { useAuth } from '@/contexts/auth'
 
 const $route = useRoute();
 const $router = useRouter();
+const { currentUser } = useAuth();
 useTitle('分享海报');
 
 // Assets
@@ -51,10 +56,92 @@ const qrCodeUrl = 'https://cdn.ipadbiz.cn/mlaj/recall/poster/%E4%BA%8C%E7%BB%B4%
 const posterBg = ref(defaultBg)
 const title = ref('2017.7.6-7.11 【自然的恩典】“爱我中华”优秀传统文化夏令营-天津场开启~')
 
+/**
+ * 获取文件哈希（与七牛云ETag一致）
+ */
+const getFileMD5 = async (file) => {
+    return await qiniuFileHash(file)
+}
+
+// 上传到七牛云
+const uploadToQiniu = async (file, token, fileName) => {
+  const formData = new FormData()
+  formData.append('file', file)
+  formData.append('token', token)
+  formData.append('key', fileName)
+
+  const config = {
+    headers: { 'Content-Type': 'multipart/form-data' }
+  }
+
+  // 根据协议选择上传地址
+  const qiniuUploadUrl = window.location.protocol === 'https:'
+    ? 'https://up.qbox.me'
+    : 'http://upload.qiniu.com'
+
+  return await qiniuUploadAPI(qiniuUploadUrl, formData, config)
+}
+
 // Actions
-const afterRead = (file) => {
-  // Use Object URL for local preview to avoid uploading
-  posterBg.value = URL.createObjectURL(file.file)
+const afterRead = async (file) => {
+  const toast = showLoadingToast({
+    message: '上传中...',
+    forbidClick: true,
+    duration: 0 // 持续展示
+  });
+
+  try {
+    // 获取MD5值
+    const md5 = await getFileMD5(file.file)
+
+    // 获取七牛token
+    const tokenResult = await qiniuTokenAPI({
+      name: file.file.name,
+      hash: md5
+    })
+
+    // 文件已存在，直接使用
+    if (tokenResult.data) {
+      posterBg.value = tokenResult.data.src;
+      showToast('图片上传成功');
+      return;
+    }
+
+    // 新文件上传
+    if (tokenResult.token) {
+      const suffix = /.[^.]+$/.exec(file.file.name) || ''
+      // 使用 recall/poster 路径
+      const mobile = currentUser.value?.mobile || 'guest'
+      const fileName = `mlaj/upload/recall/poster/${mobile}/${md5}${suffix}`
+
+      const { filekey, image_info } = await uploadToQiniu(
+        file.file,
+        tokenResult.token,
+        fileName
+      )
+
+      if (filekey) {
+        // 保存文件信息
+        const { data } = await saveFileAPI({
+          name: file.file.name,
+          filekey,
+          hash: md5,
+          height: image_info?.height,
+          width: image_info?.width
+        })
+
+        if (data) {
+          posterBg.value = data.src;
+          showToast('图片上传成功');
+        }
+      }
+    }
+  } catch (error) {
+    console.error('图片上传失败:', error)
+    showToast('图片上传失败，请重试')
+  } finally {
+    toast.close();
+  }
 }
 </script>