提货订单页批量发货上传文件时新增文件上限提示

src/views/order/deliver/index.vue

@@ -282,6 +282,7 @@
         :on-success="handleFileSuccess"
         :auto-upload="false"
         :http-request="reqUploadFile"
+        :on-exceed="exceedMax"
         drag
       >
         <i class="el-icon-upload"></i>
@@ -524,6 +525,13 @@ export default {
       this.upload.isUploading = false;
       this.getList();
     },
+    // 超出限制时的提示
+    exceedMax() {
+      this.$message({
+        message:  '请移除已有文件后再进行上传',
+        type: 'warning'
+      })
+    },
     // 提交上传文件
     submitFileForm() {
       this.$refs.upload.submit();