我不知道我是否正確地做到了這一點...... 如果我想從輸入中獲取值,我使用this.refs.whatever.value.trim(),但如果該輸入是無狀態函數組件我確實檢索onSubmit的值?React無狀態組件this.refs..value?
我知道這是不正確的現在研究後,但你應該如何從這些輸入字段中獲得價值?
import React, {Component} from 'react'
import {InputField} from '../components/forms/InputField'
import {Button} from '../components/forms/Button'
export default class SignupWrapper extends Component {
_handleSubmit(e) {
e.preventDefault();
const email = this.refs.email.value.trim();
const password = this.refs.password.value.trim();
const confirm = this.refs.confirm.value.trim();
console.log({email, password, confirm});
}
render() {
return (
<form id="application-signup" onSubmit={this._handleSubmit.bind(this)}>
<InputField type={'email'} name={'email'} text={'email'}
helpBlock={'email is required'} ref="email" />
<InputField type={'password'} name={'password'} text={'password'}
helpBlock={'password is required'} ref="password" />
<InputField type={'password'} name={'confirm'} text={'confirm password'}
helpBlock={'password confirmation is required'} ref="confirm" />
<Button type={'submit'} className={'btn btn-primary'} text={'signup'} />
</form>
)
}
}
這是無狀態的inputfield
import React from 'react'
export const InputField = (props) => (
<div className="form-group col-xs-12">
<label htmlFor={props.name}>{props.text}</label>
<input type={props.type} name={props.name} className="form-control"
data-stripe={props.stripe} />
<span className="help-block">{props.helpBlock}</span>
</div>
)
http://stackoverflow.com/questions/25941585/react-refs-with-components – jmancherje
我的建議是:避免裁判,始終。在你的情況下,使你的容器有狀態,並將更改處理程序傳遞給輸入字段。無論何時輸入字段更改,它都會調用父處理程序來更新狀態。 – wintvelt
謝謝,我現在明白了。這是一個條形的表單,將信用卡信息存儲在狀態是否安全?爲什麼裁判不好?我想知道,因爲我完成了兩個教程:官方MDG Meteor + React和LevelUpTuts的Meteor + React for Everyone uses refs。你能幫我解釋一下嗎? – cocacrave