feat：发货单-详情-附件下载

@@ -19,7 +19,7 @@
             @split="splitFun" />
         </view>
         <view class="section">
-          <view class="row"><text class="label">签收单据</text><text class="value act">{{ form.fileName }}</text></view>
+          <view class="row"><text class="label">签收单据</text><text class="value act" @click="downloadFile(form.fileId, form.fileName)">{{ form.fileName }}</text></view>
         </view>
       </view>
     </scroll-view>
@@ -141,6 +141,7 @@ import Product from './product.vue'
 import DetailButtons from '@/components/detail-buttons/index.vue'
 import FileUpload from '@/components/file-upload/index.vue'
 import { getShipmentPlanDetailApi, createApi } from '@/api/delay_invoice.js'
+import { downloadFile } from '@/utils/downloadFile.js'
 
 export default {
   name: 'InvoiceDetail',
@@ -220,6 +221,7 @@ export default {
     onUpload() {
       this.$refs.uploadPopup && this.$refs.uploadPopup.open()
     },
+    downloadFile,
     closeUploadInfo() {
       this.uploadFile = { id: '', name: '' };
       this.$refs.uploadPopup && this.$refs.uploadPopup.close()