调整预览历史图错误问题 管理端备货单添加删除

src/components/custom/files_previews.vue

@@ -37,7 +37,7 @@
         <!-- <el-button size="small" type="primary" :href="currentFile?.url" target="_blank"
           >在新标签打开</el-button
         > -->
-        <el-button size="small" @click="downloadCurrent">下载</el-button>
+        <!-- <el-button size="small" @click="downloadCurrent">下载</el-button> -->
         <el-button size="small" type="danger" @click="handleClose">关闭</el-button>
       </div>
     </div>
@@ -131,6 +131,7 @@
 
   // --- Props ---
   interface FileItem {
+    file_name: any
     name?: string
     url: string
     mime?: string // 可选，优先使用
@@ -253,8 +254,12 @@
   const fileType = computed(() => {
     const f = currentFile.value
     if (!f) return 'unknown'
-    const mime = (f.mime || mimeFromName(f.name) || '').toLowerCase()
-    const ext = getExtension(f.name)
+    let names = f.name
+    if (names == '') {
+      names = f.file_name
+    }
+    const mime = (f.mime || mimeFromName(names) || '').toLowerCase()
+    const ext = getExtension(names)
 
     if (mime.startsWith('image/') || ['png', 'jpg', 'jpeg', 'gif', 'bmp', 'webp'].includes(ext))
       return 'image'