我的應用程序出現問題。一切都很好,直到我按下刷新按鈕。我認爲這是因爲某些東西還沒有準備好呈現。刷新後應用程序崩潰
import React from 'react'
import { Meteor } from 'meteor/meteor'
import { createContainer } from 'meteor/react-meteor-data'
import { withRouter } from 'react-router'
import LeftNavbar from '../dashboard/LeftNavbar'
import UpperBar from '../dashboard/UpperBar'
import NewGreetingsForm from './NewGreetingsForm'
import ConfigureButtons from './ConfigureButtons'
import Fanpages from '../../../api/Fanpages.js'
import './Greetings.scss'
export class Greetings extends React.Component {
constructor (props) {
super(props)
this.fanpage = this.props.user.profile.fanpages
this.state = {
newGreetingsText: '',
newGreetingsCharCount: 0
}
}
componentDidMount() {
}
render() {
const currentFanpage = Fanpages.findOne({fanpageName: this.fanpage})
const currentGreeting = currentFanpage.fanpageInfo.fanpageInfo.config.greeting[0].text
return (
<div className='container page'>
<UpperBar title={'Konfiguracja fanpage/Zdefiniuj greetings'} />
<LeftNavbar />
<div className='main-content'>
<h4 id='main-title'>{this.fanpage}</h4>
<div className='container'>
<div className='row'>
<ConfigureButtons />
<div>
<h5 id='configure-content-right'>Zmień obecną informację</h5>
<NewGreetingsForm fanpageName={this.fanpage} placeholder={currentGreeting} />
</div>
</div>
</div>
</div>
</div>
)
}
}
export default withRouter(createContainer(() => ({
user: Meteor.user()
}), Greetings))
任何想法,我應該擺脫渲染方法的變量?所以它在頁面刷新後就像它應該那樣工作?非常感謝任何參與。
你能提供一些關於你所得到的錯誤的信息嗎? – RMontes13
Uncaught TypeError:無法讀取未定義的屬性'fanpageInfo' – Rachomir
它必須與訂閱MongoDB集合有關。我在互聯網上瀏覽了大量資源,但沒有結果 – Rachomir