getFieldDecorator添加事件监听getValueFromEvent

{getFieldDecorator("ratio", {
  initialValue: ratio,
  getValueFromEvent: e => {
    this.setState({
      currentValue: Number(e.target.value),
    });
    return e.target.value;
  },
  rules: [
    {
      required: true,
      message: `中奖概率`,
    },
  ],
})()}