refactor(submission-detail): 设计文件改 el-link + 下载 (删 Preview 组件)

ry-vue3/src/views/doctor/SubmissionDetail.vue

@@ -39,7 +39,7 @@
             <el-form-item label="设计文件">
               <div class="readonly-cell">
                 <template v-if="detail.designFileUrl">
-                  <el-button link type="primary" @click="openPreview(detail.designFileUrl, detail.planName || '设计文件')">查看</el-button>
+                  <el-link :href="detail.designFileUrl" :download="detail.planName || '设计文件'" target="_blank" type="primary">下载</el-link>
                 </template>
                 <span v-else>-</span>
               </div>
@@ -61,9 +61,6 @@
     <div class="detail-actions">
       <el-button @click="goBack">返回</el-button>
     </div>
-
-    <!-- 附件预览 (图片/PDF 直接预览, 其他类型给下载链接) -->
-    <Preview v-model="previewOpen" :url="previewUrl" :title="previewTitle" />
   </div>
 </template>
 
@@ -72,7 +69,6 @@ import { ref, computed, onMounted } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { ElMessage } from 'element-plus'
 import request from '@/utils/request'
-import Preview from '@/components/Preview.vue'
 
 const route = useRoute()
 const router = useRouter()
@@ -80,17 +76,6 @@ const router = useRouter()
 const loading = ref(false)
 const detail = ref({})
 
-const previewOpen = ref(false)
-const previewUrl = ref('')
-const previewTitle = ref('设计文件')
-
-function openPreview(url, title) {
-  if (!url) { ElMessage.warning('暂无附件'); return }
-  previewUrl.value = url
-  previewTitle.value = title || '设计文件'
-  previewOpen.value = true
-}
-
 // 显示用: 空值显示 "-"
 function fmt(v) {
   if (v === null || v === undefined || v === '') return '-'