问ReactJS -无法获取重构后从单独文件加载值的函数

EN

import MainTable from './app/components/input_table/maintable';

export default class App extends React.Component {
    constructor(props){
      this.MainTable = this.MainTable.bind(this);
}

MainTable(){
MainTable.tableGen();  //Call the function that's in the external file here
}
render(){
        return (
          <div>
          <table>
          <tbody onLoad = {this.broadcast()}>  
            {this.MainTable}  //The MainTable.tableGen() function populates the table using a series of loops 
          </tbody>
          </table>
          <ButtonMenu onRow = {this.onRowButton} onCol = {this.onColumnButton} undo ={this.onUndoAction} redo = {this.onRedoAction} reset = {this.onResetAction} />
          </div>

        );
      }

}

class baseTable extends React.Component{
  constructor(props){
    //properties
    super(props);
  }

 tableGen(){


... function code here...

}
const MainTable = new baseTable; 

export default MainTable;