<FormItem>
    <Row gutter={10}>
      <Col span={16}>
        {getFieldDecorator('code', {
          //  rules: [{
          //    validator: (rule, value = '', callback) => {
          //      const text = captchaText;
          //      const upper = value.toUpperCase();
          //      if (upper !== text) callback('驗證碼錯誤');
          //      callback();
          //    },
          //  }],
        })(<Input placeholder="驗證碼" />)}
      </Col>
      <Col
        span={8}
        className={styles.captchaText}
        onClick={() => {
          this.handleGetCaptcha();
        }}
      >
        {<img src={captcha} alt="驗證碼" />}
      </Col>
    </Row>
  </FormItem>

componentDidMount() {
    this.handleGetCaptcha();
}
handleGetCaptcha = captcha => {
    this.props.dispatch({
      type: 'login/fetchCaptcha',
    });
    this.setState({
      captcha,
    });
};

現(xiàn)在驗證碼輸入錯誤是提交數(shù)據(jù)之后后端判斷，如果登錄不成功，自動刷新驗證碼
該怎么弄，用生命周期函數(shù)？還是在models里邊fetch請求的時候做判斷好些