react中textarea怎么保存数据库数据并上传？

因为一些需求需要写一个网页的输入框，所以选择的textarea，这时候需要从
数据库获得默认数据，但是没有value属性，用上虽然可以读取出来，但是不能编辑
，网上也没有类似的问题，html的倒是不少，可在下是个小白，看不懂（准确的说不是看不懂是不会转换理解（躺）），还有就是换行问题，上传就报错，正则表达式还没看懂 代码如下 求大佬指教，如果大佬可以详细一些，小弟感激不尽

import React, { Component,Fragment } from 'react';
import { connect } from 'dva';
import { Card, Table, Divider, Form, Input, Button, Modal, Icon, message, Select } from 'antd';
import { baseurl } from '../../common/config';
import PageHeaderLayout from '../../layouts/PageHeaderLayout';
const { TextArea } = Input;
const FormItem = Form.Item;

@connect(({ admin, loading }) => ({
  admin,
  loading: loading.effects['admin/teamLists'],
}))
@Form.create()
export default class Teams extends Component {
  // 默认加载
  componentDidMount() {
    this.renderSimpleForm();
  }

  constructor(props) {
    super(props);
    this.state = {
      dataSource: [],
      maindata: [],
      teamLists: [],
      businessLists: [],
      visible: false,
    };
  }

  renderSimpleForm(pagination = '1', values = '') {
    const { dispatch } = this.props;
    const query = this.props.location.search;
    dispatch({
      type: 'robots/wordfgets',
      callback: response => {
        this.setState({
          dataSource: response,
        });
      },
    });
  }

  // wordfwriteClick = e =>{
  //   const { dispatch } = this.props;
  //   dispatch({
  //     type: 'robots/wordfwrite',
  //     callback: response => {
  //       if(response.status == "success"){
  //         message.success(response.msg);
  //       }else{
  //         message.success(response.msg);
  //       }
  //     },
  //   });

  // }

  render() {
    const { getFieldDecorator } = this.props.form;
    const { dataSource } = this.state;
    console.log(dataSource);
    const mainSearch = (
      <div>
        <TextArea size="large" value={dataSource} autosize={{ minRows: 10}}/>
      </div>
    );
    const action = (
      <Fragment>
        <Button type="primary" onClick={this.wordfwriteClick} >更新</Button>
      </Fragment>
    );
    return (
      <PageHeaderLayout>
        {mainSearch}
        {action}
      </PageHeaderLayout>
    );
  }
}