react-router-dom路由匹配机制详解：模糊与严格模式及重定向配置

<!-- 编写路由链接 -->
<NavLink to="/home/a/b">Home</NavLink>
<!-- 注册路由 -->
<Switch>
  <Route path="/home" component={Home} />
</Switch>

<!-- 编写路由链接 -->
<NavLink to="/home/a/b">Home</NavLink>
<!-- 注册路由 -->
<Switch>
  // 开启严格匹配：exact={true}
  <Route exact path="/home" component={Home} />
</Switch>

// 开启严格匹配：exact={true}
<Route exact path="/home" component={Home} />

{/* 注册路由 */}
<Switch>
  <Route path="/about" component={About} />
  <Route path="/home" component={Home} />
  <Redirect to="/home" />
</Switch>

├─App.jsx
├─index.js
├─pages
|   ├─Home
|   |  ├─index.jsx
|   |  ├─News
|   |  |  └index.jsx
|   |  ├─Message
|   |  |    └index.jsx
|   ├─About
|   |   └index.jsx
├─components
|     ├─MyNavLink
|     |     └index.jsx
|     ├─Header
|     |   └index.jsx

<Switch>
  <Route path="/home/news" component={News} />
  <Route path="/home/message" component={Message} />
  <Redirect to="/home/news" />
</Switch>