删除测试文件
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import React, { Component } from "react";
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import { Tree, Menu } from "antd";
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import { WeaInputSearch } from "ecCom";
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import "../index.less";
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const TreeNode = Tree.TreeNode;
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const treeData = [
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{
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title: "0-0",
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key: "0-0",
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children: [
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{
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title: "0-0-0",
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key: "0-0-0",
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children: [
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{ title: "0-0-0-0-88", key: "0-0-0-0" },
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{ title: "0-0-0-1", key: "0-0-0-1" },
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{ title: "0-0-0-2", key: "0-0-0-2" },
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],
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},
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{
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title: "0-0-1",
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key: "0-0-1",
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children: [
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{ title: "0-0-1-0", key: "0-0-1-0" },
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{ title: "0-0-1-1", key: "0-0-1-1" },
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{ title: "0-0-1-2", key: "0-0-1-2" },
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],
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},
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{
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title: "0-0-2",
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key: "0-0-2",
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},
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],
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},
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{
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title: "99",
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key: "0-1",
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children: [
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{ title: "0-1-0-0", key: "0-1-0-0" },
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{ title: "9988", key: "0-1-0-1" },
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{ title: "0-1-0-2-99988", key: "0-1-0-2" },
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],
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},
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{
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title: "0-2",
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key: "0-2",
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},
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];
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export default class LeftTree extends Component {
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constructor(props) {
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super(props);
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this.state = {
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expandedKeys: [],
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treeData: [],
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copyTree: [],
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copyExpandedKeys: [],
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searchValue: "",
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rightClickNodeTreeItem: null,
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};
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}
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componentDidMount() {
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let a = this.expandedKeysFun(treeData); //展开key
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let cp = JSON.stringify(treeData); //这个是最简单的 深拷贝
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this.setState({
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treeData: treeData,
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expandedKeys: a,
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copyTree: cp,
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copyExpandedKeys: a,
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});
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document.addEventListener("click", this.handleClick);
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}
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componentWillUnmount() {
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document.removeEventListener("click", this.handleClick);
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}
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handleClick = () => {
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this.setState({ rightClickNodeTreeItem: null });
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};
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onSelect = (node) => {
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this.setState({ rightClickNodeTreeItem: null });
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};
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treeNodeonRightClick = (e) => {
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this.setState({
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rightClickNodeTreeItem: {
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pageX: e.event.pageX,
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pageY: e.event.pageY,
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id: e.node.props["data-key"],
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categoryName: e.node.props["data-title"],
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},
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});
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};
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arrayTreeFilter = (data, predicate, filterText) => {
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const nodes = data;
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if (!(nodes && nodes.length)) {
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return;
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}
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const newChildren = [];
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for (const node of nodes) {
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if (predicate(node, filterText)) {
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newChildren.push(node);
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node.children = this.arrayTreeFilter(
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node.children,
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predicate,
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filterText
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);
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} else {
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const subs = this.arrayTreeFilter(node.children, predicate, filterText);
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if ((subs && subs.length) || predicate(node, filterText)) {
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node.children = subs;
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newChildren.push(node);
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}
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}
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}
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return newChildren;
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};
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filterFn = (data, filterText) => {
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if (!filterText) {
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return true;
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}
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return new RegExp(filterText, "i").test(data.title);
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};
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flatTreeFun = (treeData) => {
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let arr = [];
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const flatTree = (treeData) => {
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treeData.map((item, index) => {
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arr.push(item);
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if (item.children && item.children.length > 0) {
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flatTree(item.children);
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item.children = [];
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}
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});
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};
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flatTree(treeData);
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return arr;
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};
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expandedKeysFun = (treeData) => {
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if (treeData && treeData.length == 0) {
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return [];
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}
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let arr = [];
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const expandedKeysFn = (treeData) => {
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treeData.map((item, index) => {
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arr.push(item.key);
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if (item.children && item.children.length > 0) {
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expandedKeysFn(item.children);
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}
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});
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};
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expandedKeysFn(treeData);
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return arr;
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};
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onChange = (value) => {
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if (value == "") {
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let { copyTree, copyExpandedKeys } = this.state;
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this.setState({
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treeData: JSON.parse(copyTree),
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expandedKeys: copyExpandedKeys,
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});
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} else {
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let { copyTree, copyExpandedKeys } = this.state;
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let res = this.arrayTreeFilter(
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JSON.parse(copyTree),
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this.filterFn,
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value
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);
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let expkey = this.expandedKeysFun(res);
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this.setState({
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treeData: res,
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expandedKeys: expkey,
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});
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}
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};
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onExpand = (expandedKeys) => {
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this.setState({
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expandedKeys,
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});
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};
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getNodeTreeRightClickMenu = () => {
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const { pageX, pageY } = { ...this.state.rightClickNodeTreeItem };
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const tmpStyle = {
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position: "absolute",
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left: `${pageX}px`,
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top: `${pageY}px`,
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};
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const menu = (
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<Menu
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// onClick={this.handleMenuClick}
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style={tmpStyle}
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// className={style.categs_tree_rightmenu}
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>
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<Menu.Item key="1">新增</Menu.Item>
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<Menu.Item key="3">删除</Menu.Item>
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</Menu>
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);
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return this.state.rightClickNodeTreeItem == null ? "" : menu;
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};
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renderTreeNode = (data) => {
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if (data.length == 0) {
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return;
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}
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let { expandedKeys, searchValue } = this.state;
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return data.map((item) => {
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const index = item.title.indexOf(searchValue);
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const beforeStr = item.title.substr(0, index);
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const afterStr = item.title.substr(index + searchValue.length);
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const title =
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index > -1 ? (
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<span>
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{beforeStr}
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<span style={{ color: "red" }}>{searchValue}</span>
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{afterStr}
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</span>
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) : (
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<span>{item.title}</span>
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);
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if (item.children && item.children.length > 0) {
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return (
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<TreeNode key={item.key} title={title} className="tree-node">
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{this.renderTreeNode(item.children)}
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</TreeNode>
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);
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}
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return (
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<TreeNode key={item.key} title={title} className="tree-node"></TreeNode>
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);
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});
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};
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render() {
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const { searchValue, expandedKeys } = this.state;
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return (
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<div className="tree-wapper">
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<WeaInputSearch
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value={searchValue}
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style={{ width: "100%", marginBottom: 16 }}
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onSearch={this.onChange}
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/>
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<Tree
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onExpand={this.onExpand}
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expandedKeys={expandedKeys}
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onRightClick={this.treeNodeonRightClick}
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onSelect={this.onSelect}
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autoExpandParent={true}>
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{this.renderTreeNode(treeData)}
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</Tree>
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{/* {this.getNodeTreeRightClickMenu()} */}
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</div>
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);
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}
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}
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