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我是新来react.And我试图加载数据文件到一个状态数组,而不是直接将数组中的数据状态。下面我已经放置的代码。但这不显示数据。如何在反应中将数据文件加载到状态数组?
App.js
import React, { Component } from 'react';
import Projects from './Components/Projects';
import data from './data/data'
class App extends Component {
constructor(){
super();
this.state = {
myArrays: [{data}]
}
}
render() {
return (
<div className="App">
<Projects myArrays = {this.state.myArrays} />
</div>
);
}
}
export default App;
它的工作原理,如果我更换
<Projects myArrays = {this.state.myArrays} /> with <Projects myArrays = {data} />
是什么做这两者之间的区别?为什么不将其与
<Projects myArrays = {this.state.myArrays} />
Project.js加载数据
import React, { Component } from 'react';
class Projects extends Component {
render() {
let projectItems;
projectItems = this.props.myArrays.map((project,i) =>{
return(
<li key = {i}>{project.title}</li>
);
});
return (
<ul>
{projectItems}
</ul>
);
}
}
export default Projects;
data.js
export default [
{
title: "Obama set for first political event since leaving office",
category: "politics"
},
{
title: 'La Liga refuse to accept PSG payment for Barcelona striker Neymar',
category: "sports"
},
{
title: "Virtu Financial closes KCG's European prop trading business",
category: "business"
}
]
谢谢...这是一个愚蠢的错误,我做了 –
考虑接受答案,如果它帮助 –