J'ai fait une application de comptage que lorsque vous cliquez sur vous le niveau et obtenir de l'or, mais comment utiliser les données dans un autre composant? Par exemple, je veux utiliser this.state.max dans un autre composant.Utilisation de données d'un composant dans un autre dans Reactjs
Désolé, je suis tout à fait nouveau réagir
import React, {Component} from 'react';
import '../App.css';
import darkalien from '../assets/darkgray__0000_idle_1.png';
import darkalien2 from '../assets/darkgray__0033_attack_3.png';
import darkalien3 from '../assets/darkgray__0039_fire_5.png';
var style = {
color: 'black',
fontSize: 20
};
var style2 ={
color: '#daa520',
fontSize: 20
}
export default class Home extends Component{
constructor(props) {
super(props);
this.state = {
i: 0,
j: 1,
k: 0,
max: 10,
maxf: 2,
maxi: 10
}
}
onClick(e) {
e.preventDefault();
var level = this.state.j;
this.setState({i: this.state.i + 1});
this.setState({k: this.state.k + 1});
if(this.state.i >= this.state.max){
this.setState({j: this.state.j + 1});
this.setState({i: this.state.i});
this.setState({k: this.state.k});
if(this.state.j === this.state.maxf){
this.setState({maxf: this.state.maxf + 1});
this.setState({max: this.state.max + 10});
}
this.setState({i: this.state.i = 0});
}
}
render(){
return(
<header>
<div className="container" id="maincontent" tabIndex="-1">
<div className="row">
<div className="col-lg-12">
<div className="intro-text">
<p className="name" style={style} id="demo3">Level {this.state.j}</p>
<p className="name" id="demo4" style={style}>Points: {this.state.k}</p>
<p className="name" style={style2} id="demo5">Gold: {this.state.max}</p>
<img id="picture" className="img-responsive" src={darkalien} alt="alien-img" onClick={this.onClick.bind(this)} height="150" width="150"/>
<progress id="demo2" value={this.state.i} max={this.state.max}></progress>
<h1 className="name">Click me!</h1>
<hr className="glyphicon glyphicon-star-empty"></hr>
<span className="skills">Gain Experience ★ Get Coins ★ Purchase Armor</span>
</div>
</div>
</div>
</div>
</header>
);
}
}
Je veux utiliser la this.state.max dans mon composant magasin:
import React, {Component} from 'react';
import blaster from '../assets/blaster_1.png';
import blaster2 from '../assets/blaster_3.png';
import alienSuit from '../assets/predatormask__0000_idle_1.png';
import alienHair from
'../assets/alien_predator_mask_0007_hair_profile.png';
import Home from '../components/Home';
export default class Store extends Component{
render(){
return(
<section id="portfolio">
<div className="container">
<div className="row">
<div className="col-lg-12">
<h3>Armor and Weapon Store<span> **Gold:{this.state.j}** </span></h3>
</div>
</div>
<div className="row text-center">
<div className="col-md-3 col-sm-6 hero-feature">
<div className="thumbnail">
<img src={blaster} alt=""/>
<div className="caption">
<h3>Reggae Blaster</h3>
<p>
<a href="#" className="btn btn-primary">Buy Now!</a> <a href="#" className="btn btn-default">More Info</a>
</p>
</div>
</div>
</div>
</div>
</div>
</section>
);
}
}
Passez-le comme un accessoire? – Li357