react實現菜單權限控制

一般公司的後臺管理系統都須要權限控制,即不一樣的角色用戶看到不一樣的菜單,以下圖:
圖片描述react

下面,經過react實現這樣的後臺管理系統(腳手架),功能簡介:
1.頂部的菜單項根據用戶的角色動態生成。
2.側邊測菜單項根據已選的頂部菜單動態生成。
直接上代碼
路由配置:git

export default (
    <Route path="/" component={App}>
        <IndexRoute component={EmployeeList}/>
        <Route path="/employee" component={Employee}>
            <IndexRoute component={EmployeeList}/>
            <Route path="/employee/list" component={EmployeeList}/>
            <Route path="/employee/detail/:id" component={EmployeeDetail}/>
        </Route>
        <Route path="/goods" component={Goods}>
            <IndexRoute component={GoodsList}/>
            <Route path="/goods/list" component={GoodsList}/>
            <Route path="/goods/detail/:id" component={GoodsDetail}/>
        </Route>
    </Route>
)

頂部菜單項單獨成了一個組件:github

// 動態數據
import React, { Component } from 'react'
import { Link } from 'react-router' // 引入Link處理導航跳轉
import { connect } from 'react-redux'
import { fetchPostsIfNeeded, updateSubMenuWhenClick } from '../actions/count'
import { Menu } from 'antd';
class TopMenu extends Component {
    constructor(props){
        super(props);
        this.handleMenuClick = this.handleMenuClick.bind(this);
    }

    handleMenuClick(e){
        // console.log(e.item.props['data-menukey']);
        const { updateSubMenuWhenClick } = this.props
        updateSubMenuWhenClick(true, e.item.props['data-menukey'])
    }
    componentWillMount() {
    }
    componentDidMount() {
        const { fetchPostsIfNeeded } = this.props
        fetchPostsIfNeeded()
    }
    render() {
        const { menuList, fetchPostsIfNeeded } = this.props
        if(menuList.length != 0) {
            fetchPostsIfNeeded(true, menuList[0].key)
        }

        return (
            <Menu
                theme="dark"
                mode="horizontal"
                defaultSelectedKeys={['0']}
                style={{ lineHeight: '64px' }}
                onClick={this.handleMenuClick}
            >
            {
                menuList.map((e, index) => 
                    <Menu.Item key={index} data-menukey={e.key}  >
                        <Link to={{ pathname: e.url }} >{e.name}</Link>
                    </Menu.Item>
                )
            }
            </Menu>
        )
    }
}

const getList = state => {
    return {
        menuList: state.update.menuList
    }
}

export default connect(
    getList, 
    { fetchPostsIfNeeded, updateSubMenuWhenClick }
)(TopMenu)

在render函數中,若是動態生成的頂部菜單數據長度不爲0,則根據頂部菜單的key動態生成側邊菜單項。redux

const { menuList, fetchPostsIfNeeded } = this.props
        if(menuList.length != 0) {
            fetchPostsIfNeeded(true, menuList[0].key)
        }
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