我菜单是使用动态加载出来 ,不过发现个问题。就是动态加载出来的时候 。菜单 没有自动展开并点亮,是全都闭合的

然后我把请求的数据直接写死在代码中。就没有问题



/**
* Ant Design Pro v4 use `@ant-design/pro-layout` to handle Layout.
* You can view component api by:
* https://github.com/ant-design/ant-design-pro-layout
*/
import ProLayout, {
MenuDataItem,
BasicLayoutProps as ProLayoutProps,
Settings,
} from '@ant-design/pro-layout';
import React, { useEffect, useState } from 'react';
import { Link } from 'umi';
import { Dispatch } from 'redux';
import { connect } from 'dva';
import { Result, Button } from 'antd';
import Authorized from '@/utils/Authorized';
import RightContent from '@/components/GlobalHeader/RightContent';
import { ConnectState } from '@/models/connect';
import { getAuthorityFromRouter } from '@/utils/utils';
import logo from '../assets/logo.svg';
import Iconfont from "../components/Iconfont";
const noMatch = (
<Result
status={403}
title="403"
subTitle="Sorry, you are not authorized to access this page."
extra={
<Button type="primary">
<Link to="/account/login">Go Login</Link>
</Button>
}
/>
);
export interface BasicLayoutProps extends ProLayoutProps {
breadcrumbNameMap: {
[path: string]: MenuDataItem;
};
route: ProLayoutProps['route'] & {
authority: string[];
};
settings: Settings;
dispatch: Dispatch;
}
export type BasicLayoutContext = { [K in 'location']: BasicLayoutProps[K] } & {
breadcrumbNameMap: {
[path: string]: MenuDataItem;
};
};
/**
* use Authorized check all menu item
*/
const menuDataRender = (menuList: MenuDataItem[]): MenuDataItem[] =>
menuList.map(item => {
const localItem = { ...item, children: item.children ? menuDataRender(item.children) : [] };
return Authorized.check(item.authority, localItem, null) as MenuDataItem;
});
const BasicLayout: React.FC<BasicLayoutProps> = props => {
const {
dispatch,
children,
settings,
location = {
pathname: '/',
},
} = props;
/**
* constructor
*/
const [menuData, setMenuData] = useState([]);
useEffect(() => {
if (dispatch) {
dispatch({
type: 'admin/getLogin',
});
}
// 这里是一个演示用法
// 真实项目中建议使用 dva dispatch 或者 umi-request
fetch('/api/admin/getMenu')
.then(response => response.json())
.then(data => {
setMenuData(data || []);
});
}, []);
/**
* init variables
*/
const handleMenuCollapse = (payload: boolean): void => {
if (dispatch) {
dispatch({
type: 'global/changeLayoutCollapsed',
payload,
});
}
}; // get children authority
const authorized = getAuthorityFromRouter(props.route.routes, location.pathname || '/') || {
authority: undefined,
};
return (
<ProLayout
logo={logo}
// formatMessage={formatMessage}
menuHeaderRender={(logoDom, titleDom) => (
<Link to="/">
<span style={{ paddingLeft: '10px' }}>
{titleDom}
</span>
</Link>
)}
onCollapse={handleMenuCollapse}
menuItemRender={(menuItemProps, defaultDom) => {
if (menuItemProps.isUrl || menuItemProps.children || !menuItemProps.path) {
return defaultDom;
}
return <Link to={menuItemProps.path}>
<Iconfont type={menuItemProps.icon} style={{ fontSize: '14px', marginRight: '10px' }} />
<span>{menuItemProps.name}</span>
</Link>;
}}
breadcrumbRender={(routers = []) => [
{
path: '/',
breadcrumbName: '首页',
},
...routers,
]}
itemRender={(route, params, routes, paths) => {
const first = routes.indexOf(route) === 0;
return first ? (
<Link to={paths.join('/')}>{route.breadcrumbName}</Link>
) : (
<span>{route.breadcrumbName}</span>
);
}}
footerRender={false}
menuDataRender={() => menuData}
rightContentRender={() => <RightContent />}
{...props}
{...settings}
>
<Authorized authority={authorized!.authority} noMatch={noMatch}>
{children}
</Authorized>
</ProLayout>
);
};
export default connect(({ global, settings }: ConnectState) => ({
collapsed: global.collapsed,
settings,
}))(BasicLayout);
如下用法即可解决问题:
{menuData && menuData.length > 0 && (
<ProLayout
</ProLayout>
)}
Most helpful comment
如下用法即可解决问题:
{menuData && menuData.length > 0 && ( <ProLayout </ProLayout> )}