快捷键动态获取parentEle元素

demo/demolist/Demo2.js

@@ -10,7 +10,7 @@ import Tree from '../../src';
 
 const x = 6;
 const y = 5;
-const z = 1;
+const z = 2;
 const gData = [];
 
 const generateData = (_level, _preKey, _tns) => {

src/Tree.js

@@ -11,6 +11,7 @@ import {
   getCheck,
   getStrictlyValue,
   arraysEqual,
+  closest
 } from './util';
 import PropTypes from 'prop-types';
 import { KeyCode } from 'tinper-bee-core';
@@ -425,7 +426,8 @@ onExpand(treeNode,keyType) {
     //查询的下一个节点不为空的话，则选中
     if(nextTreeNode){
       const queryInfo = `a[pos="${nextPos}"]`;
-      const focusEle =  e.target.parentElement.parentElement.parentElement.parentElement.querySelector(queryInfo);
+      const parentEle = closest(e.target,".u-tree")
+      const focusEle = parentEle?parentEle.querySelector(queryInfo):null;
       focusEle && focusEle.focus()
       this.onSelect(nextTreeNode);
     }

src/TreeNode.js

@@ -168,7 +168,7 @@ class TreeNode extends React.Component {
   // keyboard event support
   onKeyDown(e) {
     this.props.root.onKeyDown(e,this);
-    if(e.keyCode !== KeyCode.TAB){
+    if(e.keyCode == KeyCode.SPACE || e.keyCode == KeyCode.DOWN || e.keyCode == KeyCode.LEFT || e.keyCode == KeyCode.RIGHT ||e.keyCode == KeyCode.UP){
       e.preventDefault();
     }
     

src/util.js

@@ -284,3 +284,17 @@ export function arraysEqual(a, b) {
   }
   return true;
 }
+
+
+export function closest(el, selector) {
+  const matchesSelector = el.matches || el.webkitMatchesSelector || el.mozMatchesSelector || el.msMatchesSelector;
+
+  while (el) {
+    if (matchesSelector.call(el, selector)) {
+      return el;
+    } else {
+      el = el.parentElement;
+    }
+  }
+  return null;
+}