content: import React from 'react';
  import { Tree } from 'antd';
  const TreeNode = Tree.TreeNode;
  
  export default class Ttree extends React.Component {
    // onSelect = (selectedKeys, info) => {
    //   console.log('selected', selectedKeys, info);
    // }
    // onCheck = (checkedKeys, info) => {
    //   console.log('onCheck', checkedKeys, info);
    // }
    render() {
      return (
        <Tree
          checkable
          defaultExpandedKeys={['0-0-0', '0-0-1']}
          defaultSelectedKeys={['0-0-0', '0-0-1']}
          defaultCheckedKeys={['0-0-0', '0-0-1']}
          onSelect={this.onSelect}
          onCheck={this.onCheck}
        >
          <TreeNode title="parent 1" key="0-0">
            <TreeNode title="parent 1-0" key="0-0-0" disabled>
              <TreeNode title="leaf" key="0-0-0-0" disableCheckbox />
              <TreeNode title="leaf" key="0-0-0-1" />
            </TreeNode>
            <TreeNode title="parent 1-1" key="0-0-1">
              <TreeNode title={<span style={{ color: '#08c' }}>sss</span>} key="0-0-1-0" />
            </TreeNode>
          </TreeNode>
        </Tree>
      );
    }
  }
  