style:材料文件上传

 <!--
  * @Description:
  * @Autor: renchao
- * @LastEditTime: 2023-07-05 09:55:42
+ * @LastEditTime: 2023-07-24 08:53:26
 -->
 <template>
   <div class="clxx">
@@ -69,9 +69,9 @@
     created () {
       this.clmlInitList(1)
     },
-      mounted() {
-         this.ableOperation=this.$parent.ableOperation
-     },
+    mounted () {
+      this.ableOperation = this.$parent.ableOperation
+    },
     methods: {
       // 自动预览
       /**
@@ -151,7 +151,7 @@
        */
       updateList (val) {
         let that = this
-        if (val.children.length != []) { //删除最后一张图片时 val=null
+        if (val.children.length != 0) { //删除最后一张图片时 val=null
           this.tableData.forEach(item => {
             if (item.bsmSj === val.bsmSj) {
               item.children = val.children