React中传参方式有很多，通过路由传参的方式也是必不可少的一种。

本文记录项目中会用到的路由传参方式： 路由跳转传参API + 目标路由获取参数的方式。

一、动态路由

跳转方法

Link

<Link to={{ pathname: "/user/add/1" }}>跳转新增页面</Link>

history.push

this.props.history.push("/user/add/1");

获参方法

this.props.match.params

二、路由query显示参数

Link跳转

<Link to={{ pathname: "/user/add", query: { id: 1 } }}> 跳转新增页面 </Link>

history.push

this.props.history.push({ pathname: "/user/add", //参数 query: { id: 1 }, });

获参方法

this.props.location.query

三、路由state隐式参数

Link跳转

<Link to={{ pathname: "/user/add", state: { id: 1 } }}> 跳转新增页面 </Link>

history.push

this.props.history.push({ pathname: "/user/add", state: { id: 1 }, });

获参方法

this.props.location.state

代码DEMO

入口App组件

class App extends React.Component { render() { return ( <BrowserRouter> <Route path="/user" exact component={User} /> //动态路由 <Route path="/user/add/:id?" component={UserAdd} /> {} </BrowserRouter> ); }}

动态路由Demo

User组件

import React, { Component } from "react";import { Link } from "react-router-dom";export default class User extends Component { render() { return ( <div> <div className="user">User</div> {} <button onClick={() => { // 1. // this.props.history.push("/user/add/1"); // 2. this.props.history.push({ pathname: "/user/add/1", }); }} > 跳转新增页面 </button> </div> ); }}

UserAdd组件

import React, { Component } from "react";export default class UserAdd extends Component { render() { console.log("this.props.match.params:", this.props.match.params); return <div>UserAdd</div>; }}

路由query显示参数Demo

User组件

import React, { Component } from "react";import { Link } from "react-router-dom";export default class User extends Component { render() { return ( <div> <div className="user">User</div> <Link to={{ pathname: "/user/add", query: { id: 1 } }}> 跳转新增页面 </Link> <button onClick={() => { this.props.history.push({ pathname: "/user/add", query: { id: 1 }, }); }} > 跳转新增页面 </button> </div> ); }}

路由state隐式参数Demo

User组件

import React, { Component } from "react";import { Link } from "react-router-dom";export default class User extends Component { render() { return ( <div> <div className="user">User</div> <Link to={{ pathname: "/user/add", state: { id: 1 } }}> 跳转新增页面 </Link> <button onClick={() => { this.props.history.push({ pathname: "/user/add", state: { id: 1 }, }); }} > 跳转新增页面 </button> </div> ); }}

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