Link to sandbox
当我使用PrivateRoute
时,DOM呈现<children history="[object Object]" location="[object Object]" match="[object Object]"></children>
而不是我传递的<AdminLayout/>
的{{1}}。
AppRouter
中的错误:未定义子级
这:
PrivateRoute
。
Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it's defined in, or you might have mixed up default and named imports
这是Check the render method of `Context.Consumer`.
PrivateRoute
这是import React from "react";
import { Route, Redirect } from "react-router-dom";
function PrivateRoute({ children, roles, ...rest }) {
console.log("childen", children);
return (
<Route
{...rest}
render={(props) => {
console.log("propsssss", props);
// if (!localStorage.getItem('userid')) {
if (!localStorage.getItem("access_token")) {
// not logged in so redirect to login page with the return url
return (
<Redirect
to={{ pathname: "/auth/login", state: { from: props.location } }}
/>
);
}
// logged in so return component
return <children {...props}/>;
}}
/>
);
}
export default PrivateRoute;
AppRouter
这是import React from "react";
import { Router, Route, Switch, Redirect } from "react-router-dom";
import history from "../helpers/history";
import AdminLayout from "layouts/Admin/Admin.js";
import AuthLayout from "layouts/Auth/Auth.js";
import PrivateRoute from "./PrivateRoute";
const AppRouter = () => {
return (
<Router history={history}>
<PrivateRoute path="/admin" render={(props) => <AdminLayout {...props} />} />
<Route
path="/auth/login"
render={(props) => <AuthLayout {...props} />}
/>
<Redirect from="*" to="/auth/login" />
</Switch>
</Router>
);
};
export default AppRouter;
history.js
答案 0 :(得分:2)
代码中存在两个问题,一个是您正在使用var navigationStrategy = new BottomBarNavicationStrategy(this);
bottomNavigationBar.NavigationItemSelected += OnItemSelected;
void OnItemSelected(object sender, BottomNavigationView.NavigationItemSelectedEventArgs e)
{
navigationStrategy.Navigate(this, e.Item.ItemId);
}
来生成组件,而在renderProps
组件中却希望自己是孩子。正确的方法:
PrivateRoute
在<PrivateRoute path="/admin">
<AdminLayout />
</PrivateRoute>
内,您需要按原样返回孩子:
PrivateRoute