获取组件的父表单

import React, { Component } from 'react';
import { Form, Input, Button } from 'antd';

class CustomInput extends Component {
  handleSubmit = (e) => {
    e.preventDefault();
    const { form } = this.props;
    form.validateFields((err, values) => {
      if (!err) {
        console.log('Received values of form: ', values);
      }
    });
  };

  render() {
    const { form } = this.props;
    const { getFieldDecorator } = form;
    return (
      <Form onSubmit={this.handleSubmit}>
        <Form.Item label="Username">
          {getFieldDecorator('username', {
            rules: [{ required: true, message: 'Please input your username!' }],
          })(<Input />)}
        </Form.Item>
        <Form.Item label="Password">
          {getFieldDecorator('password', {
            rules: [{ required: true, message: 'Please input your password!' }],
          })(<Input.Password />)}
        </Form.Item>
        <Form.Item>
         <Button type="primary" htmlType="submit">
            Submit
          </Button>
        </Form.Item>
      </Form>
    );
  }
}

export default Form.create()(CustomInput);