BOM复制后，临时表tree结构问题

src/views/modules/part/bomSearch3.vue

@@ -50,7 +50,7 @@
     <el-table
       :height="height"
       :data="dataList"
-      border
+      border highlight-current-row
       ref="bomHeaderTable"
       @row-click="headerClickRow"
       @current-change="changeCurrentRow"

src/views/modules/part/copy_bom_modal.vue

@@ -1660,6 +1660,9 @@ export default {
 
     // 刷新树结构
     refreshTreeData () {
+      // 保存当前选中的节点ID，刷新后恢复选中状态
+      const currentNodeId = this.currentRow ? this.currentRow.id : null
+      
       let tempData = {
         bomId: this.modalData.bomId,
         createBy: this.$store.state.user.name
@@ -1670,8 +1673,37 @@ export default {
           this.treeData = data.rows
           if (this.treeData.length > 0) {
             this.$nextTick(() => {
-              this.$refs.tree.setCurrentKey(this.treeData[0].id)
-              this.handleNodeClick(this.treeData[0])
+              // 如果有保存的节点ID，尝试恢复选中该节点
+              if (currentNodeId) {
+                // 在新树中查找相同ID的节点
+                const findNodeById = (nodes, targetId) => {
+                  for (let node of nodes) {
+                    if (node.id === targetId) {
+                      return node
+                    }
+                    if (node.list && node.list.length > 0) {
+                      const found = findNodeById(node.list, targetId)
+                      if (found) return found
+                    }
+                  }
+                  return null
+                }
+                
+                const targetNode = findNodeById(this.treeData, currentNodeId)
+                if (targetNode) {
+                  // 找到了原来的节点，恢复选中
+                  this.$refs.tree.setCurrentKey(targetNode.id)
+                  this.handleNodeClick(targetNode)
+                } else {
+                  // 没找到，默认选中第一个
+                  this.$refs.tree.setCurrentKey(this.treeData[0].id)
+                  this.handleNodeClick(this.treeData[0])
+                }
+              } else {
+                // 没有保存的节点ID，默认选中第一个
+                this.$refs.tree.setCurrentKey(this.treeData[0].id)
+                this.handleNodeClick(this.treeData[0])
+              }
             })
           }
           this.queryTreeLoading = false