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javascript - 如何在另一个类中创建导入类的实例

转载 作者:塔克拉玛干 更新时间:2023-11-02 20:42:46 26 4
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<分区>

User.js

class User {

constructor() {
this.fisrtName
this.lastName
}

get fullName() {
`${this.firtName} ${this.lastName}`
}

}

export default User

Test.js

import React from 'react'
import {User} from './User'

class Test extends React.Component {

testClick(e) {
const user = new User() //error! because User is undefined.
}

render() {
return (
<button onClick={this.testClick.bind(this)}>test</button>
)
}

}

export default Test

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