update 订单，设备的获取方式

src/components/DialogUpload.vue

@@ -14,7 +14,8 @@
       :headers="uploadHeaders"
       :show-file-list="false"
       :on-error="handleError"
-      :on-success="handleSuccess">
+      :on-success="handleSuccess"
+      :before-upload="handleBeforeUploadCheck">
       <i class="el-icon-upload"></i>
       <div class="el-upload__text">
         将文件拖到此处，或
@@ -109,6 +110,23 @@ export default {
       // 上传前检查文件大小: Boolean
     },
 
+    handleBeforeUploadCheck(file) {
+      if (typeof file !== "object") return false;
+      if (!("name" in file) || !("type" in file)) return false;
+      const isXlsx =
+        file.name.split(".").pop() === "xlsx" &&
+        file.type === "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
+      const isXls = file.name.split(".").pop() === "xls" && file.type === "application/vnd.ms-excel";
+      if (isXls || isXlsx) return true;
+      // false
+      this.$message({
+        message: "仅支持上传 Excel(.xls, .xlsx) 文件",
+        type: "error",
+        duration: 1500,
+      });
+      return false;
+    },
+
     handleSuccess(response, file, fileList) {
       // console.log("success response", response);