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react typescript 子组件给父组件传值

来源:互联网 收集:自由互联 发布时间:2021-06-15
//父组件 import * as React from ‘react‘ import { Input } from ‘antd‘ const Search = Input.Search import "./index.less" import Child from "./compon/list" export default class ProjectList extends React.ComponentIProps{ constructor(

//父组件

import * as React from ‘react‘
import { Input } from ‘antd‘
const Search = Input.Search
import "./index.less"
import Child from "./compon/list"
export default class ProjectList extends React.Component<IProps>{
constructor(props: IProps) {
super(props)

}

handle = (val) => {  //val就是子组件传的值1
console.log(val)
// this.setState({
// mess:val
// })
}render(){
   
return (
<div>
 
  <Child  GETState= {this.handle.bind(this)} />
  </div>
)
}

}
//子组件
import * as React from ‘react‘
import { Row, Col } from ‘antd‘;
import "./list.less"

interface IProps {
msg?: any
MakeMoney?:any
GETState?: any //主要这段代码
}
interface IState {
lg?: any

}
export  default class List extends React.Component<IProps, IState> {  constructor(props: IProps) {    super(props)      }  state = {    lg: 6,    a:68  }  toggle = () => {    console.log(‘f‘)      this.setState({        lg: 12      })  }  render(){    console.log(this.props.msg)   const { lg } = this.state;    return (      <div>        <button onClick={() => this.props.GETState(this.state.a)}>子组件</button>  )}
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