标签:传参 search const title react state msgObj id
Message/index.jsx
import React, { Component } from "react";
import { Link, Route, Routes } from "react-router-dom";
import Detail from "./Detail";
class News extends Component {
state = {
messageArr: [
{ id: "1", title: "消息1" },
{ id: "2", title: "消息2" },
{ id: "3", title: "消息3" },
{ id: "4", title: "消息4" },
],
};
render() {
const { messageArr } = this.state;
return (
<div>
<ul>
{messageArr.map((msgObj) => {
return (
<li key={msgObj.id}>
{/*向路由组件传递params参数*/}
{/* <Link to={`/home/message/detail/${msgObj.id}/${msgObj.title}`}>{msgObj.title}</Link> */}
{/*向路由组件传递search参数*/}
{/* <Link
to={`/home/message/detail?id=${msgObj.id}&title=${msgObj.title}`}
>
{msgObj.title}
</Link> */}
{/*向路由组件传递state参数*/}
<Link
to={`/home/message/detail`}
state={{ id: msgObj.id, title:msgObj.title}}
> {msgObj.title}</Link>
</li>
);
})}
</ul>
<hr />
<Routes>
{/**声明接收params参数 */}
{/* <Route path="detail/:id/:title" element={<Detail />}></Route> */}
{/**search参数无需声明接收,正常注册路由即可 */}
{/* <Route path="detail" element={<Detail />}></Route> */}
{/**向路由组件chuandistate参数*/}
<Route path="detail" element={<Detail />}></Route>
</Routes>
</div>
);
}
}
export default News;
Detail/index.jsx
import React from "react";
import { useLocation} from 'react-router-dom';
import qs from 'querystring'
let obj={name:'tome',age:18}
console.log(qs.stringify(obj));
let str='carName=奔驰&price=1999999'
console.log(qs.parse(str));
const detailData = [
{ id: "1", content: "你好,中国",title:"苹果" },
{ id: "2", content: "你好,小可爱",title:"苹果" },
{ id: "3", content: "你好,未来的你",title:"苹果" },
{ id: "4", content: "你好,未来的你s",title:"苹果" },
];
const Detail = () => {
//接收params参数
// const params = useParams();
// const findResult=detailData.find((detailObj)=>{
// return detailObj.id===params.id
// })
//接收search参数
// const {search}=this.props.location;
// const {id,title}=qs.parse(search.slice(1));
// const { search } = useLocation();
// const {id,title}=qs.parse(search.slice(1));
//接收state参数
const stateparams=useLocation();
const {id,title}=stateparams.state;
const findResult=detailData.find((detailObj)=>{
return detailObj.id===id
})||{}
return (
<div>
<ul>
<li>ID:{findResult.id}</li>
<li>TITLE:{findResult.title}</li>
<li>CONTENT:{findResult.content}</li>
</ul>
</div>
);
}
export default Detail;
标签:传参,search,const,title,react,state,msgObj,id 来源: https://blog.csdn.net/honeycandys/article/details/122275636
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