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<Parent> /* event to fetch all refs value and submit */
  <Child>
     <stateless function />/*this is all the refs sittin*/
  </Child>
</Parent>

我不知道父母如何从孩子那里获得所有参考?提前致谢

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1 回答 1

1

我知道可能为时已晚,而你已经知道答案了。您需要的是“参考”,即对孩子的参考。阅读本文:将 DOM Refs 暴露给父组件

像这样的东西:

class Parent extends React.Component {
  render() {
    return (
      <div>
        // this line will create a reference to the input text,
        // inside the Child Component
        // for example, if you want to get the value 
        // you can access `this.input.value`
        <Child inputRef={(refToChild) => this.input = refToChild} />
      </div>
    )
  }
}

class Child extends React Component {
  render() {
    return (
      <form>
        // this line will call the Parent's function,
        // creating a reference to the input text.
        <input type="text" ref={props.inputRef} />
      </form>
    )
  }
}
于 2017-08-10T03:48:36.983 回答