让我说我在反应中有这个主要的js文件:
<code>
import React, { Component } from 'react';
import Data from './components/data';
import './App.css';
var todos = [
{
todoTitle: "My first todo",
todoResponsible: "Kevin",
todoDescription: "My first todo description",
todoPriority: "low"
},
{
todoTitle: "My second todo",
todoResponsible: "Sam",
todoDescription: "My second todo description",
todoPriority: "medium"
},
{
todoTitle: "My third todo",
todoResponsible: "Hobbs",
todoDescription: "My Third todo description",
todoPriority: "high"
}
]
class App extends Component {
constructor(props){
super(props);
this.state = {
todos
};
}
`render() {
return (
<div className="App">
<Data />
</div>`
);
}
}
export default App;
</code>
如果我想将var todos中的数据传递到另一个文件中的此组件:
<code>
`import React, { Component } from 'react';
`class Data extends Component {
render(){
return(
<ul>
<li>
</li>
</ul>`
);
}
}
export default Data;`
</code>
我将如何这样做?我试图在线查找资源,但它只显示通过单个组件传递数据。 提前感谢您,如果可以,请提供帮助〜
答案 0 :(得分:1)
您可以将todos数据作为道具传递给数据组件:
Exec=python2 $(dirname %k)/main.py
在数据组件中,class App extends Component {
constructor(props){
super(props);
this.state = {
todos
};
}
`render() {
return (
<div className="App">
<Data todos={this.state.todos} />
</div>`
);
}
}
可以轻松访问它们:
this.props.todos
答案 1 :(得分:0)
只需使用todos
组件中的Data
将<Data todos={this.state.todos} />
传递到App
组件即可。然后,您可以使用以下内容从todos
组件中使用Data
:
class Data extends Component {
render () {
return (
<ul>
{
this.props.todos.map(todo => <li>{todo.todoTitle}</li>)
}
</ul>
)
}
}