傳遞參數的跳轉頁面
import React, { Component } from 'react'
import {Route} from 'react-router-dom'
import Detail from './Detail'
export default class Message extends Component {
state = {
messageArr: [
{id:'01',title:'消息1'},
{id:'02',title:'消息2'},
{id:'03',title:'消息3'}
]
}
go = (data)=>{
// this.props.history.push('/home/message/detail',data) // push壓棧可以后退前進
this.props.history.replace('/home/message/detail',data) //replace傳值是替換,不可前進后退
}
render() {
const {messageArr} = this.state
return (
<div>
<ul>
{
messageArr.map((msgObj)=>{
return(
<li key={msgObj.id} onClick={()=>this.go({id:msgObj.id,title:msgObj.title})}>
{msgObj.title}
</li>
)
})
}
</ul>
<hr/>
<Route path="/home/message/detail" component={Detail} />
</div>
)
}
}
跳轉的目標頁面
import React, { Component } from 'react'
const DetailData = [
{id:'01',content:'你好,中國'},
{id:'02',content:'你好,世界'},
{id:'03',content:'你好,未來的自己'}
]
export default class index extends Component {
render() {
const {id,title} = this.props.location.state || {}
//this.props.location.state 就是傳遞的參數對象
const findResult = DetailData.find((detailObj)=>{
return detailObj.id ===id
}) || {}
return (
<ul>
<li>ID:{id}</li>
<li>TITLE:{title}</li>
<li>CONTENT:{findResult.content}</li>
</ul>
)
}
}
還可以利用<Link></Link>標簽中的replace屬性將路由跳轉模式改變成replace模式,默認的路由跳轉模式就是push
import React, { Component } from 'react'
import {Link,Route} from 'react-router-dom'
import Detail from './Detail'
export default class Message extends Component {
state = {
messageArr: [
{id:'01',title:'消息1'},
{id:'02',title:'消息2'},
{id:'03',title:'消息3'}
]
}
render() {
const {messageArr} = this.state
return (
<div>
<ul>
{
messageArr.map((msgObj)=>{
return(
<li key={msgObj.id}>
{/**向路由組件傳遞state參數*/}
<Link to={{pathname:'/home/message/detail',state:{id:msgObj.id,title:msgObj.title}}}>{msgObj.title}</Link>
</li>
)
})
}
</ul>
<hr/>
{/** search參數無需聲明接收 ,正常注冊聲明*/}
<Route path="/home/message/detail" component={Detail} />
</div>
)
}
}
