类型错误:无法读取属性“isRequired”的未定义

问题描述 投票:0回答:1

我在React.js新。我试图验证propTypes,但它显示错误“类型错误:无法读取属性未定义‘isRequired’”。我将感谢您的建议。

import React from "react";
import classnames from "classnames";
import PropTypes from "prop-types";

const TextFieldGroup = ({
  name,
  palceholder,
  value,
  label,
  error,
  info,
  type,
  onChange,
  disabled
}) => {
  return (
    <div className="form-group">
      <input
        type={type}
        className={classnames("form-control form-control-lg", {
          "is-invalid": { error }

      {error && <div className="invalid-feedback">{error}</div>}
    </div>
  );
};

TextFieldGroup.propTypes = {
  name: PropTypes.string.isRequired,
  palceholder: PropTypes.string,
  value: PropTypes.string.isRequired,
  label: PropTypes.string,
  error: PropTypes.string,
  info: PropTypes.string,
  type: PropTypes.string.isRequired,
  onChange: PropTypes.func.isRequired,
  disabled: PropTypes.string
};

TextFieldGroup.defaultProps = {
  type: "text"
};

export default TextFieldGroup;
reactjs react-proptypes
1个回答
1
投票

进口应该是这样的。

import {PropTypes} from "prop-types";
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