uniapp Android解决 APP菜单、按钮权限控制方法

{
    "id": "wms",
    "name": "首页",
    "url": "/pages/home-page/home-page",
    "children": [
        {
            "id": "001",
            "name": "入库管理",
            "url": "/pages/storage-management/index",
            "children": [
                {
                    "id": "101",
                    "name": "物料入库指令",
                    "url": "/pages/storage-management/material/index",
                    "children": [
                        {
                            "id": "10101",
                            "name": "新增"
                        }
                    ]
                },
                {
                    "id": "102",
                    "name": "成品入库指令",
                    "url": "/pages/storage-management/material/product-in/index",
                    "children": [
                        {
                            "id": "10201",
                            "name": "新增"
                        }
                    ]
                }
            ]
        },
        {
            "id": "002",
            "name": "出库管理",
            "url": "/pages/stock-preparation/index",
            "children": [
                {
                    "id": "201",
                    "name": "物料出库指令",
                    "url": "/pages/stock-preparation/material-out/index",
                    "children": [
                        {
                            "id": "20101",
                            "name": "新增"
                        }
                    ]
                },
                {
                    "id": "202",
                    "name": "成品出库指令",
                    "url": "/pages/stock-preparation/product-out/index",
                    "children": [
                        {
                            "id": "20201",
                            "name": "新增"
                        }
                    ]
                }
            ]
        }
    ]
}

//获取菜单权限
getMenu() {
	return new Promise((resolve, reject) => {
		this.$System.menu({systemSigns: 'app'}).then(res => {
			if (res.data.code === 0) {
				// 拿到的权限数据转成一维数组
				let menuArrayList = flatten(res.data.data);
				// 把每一项的id值取出，放进一个数组内
				let menuArray = [];
				menuArrayList.forEach(item => {
					menuArray.push(item.id);
				});
				// id数组，存到本地
				uni.setStorageSync('menuArray', menuArray);
				resolve(true)
			}
		})

	})
},
//转成一维数组
flatten (arr){
	return arr.reduce((result, item)=> {
		return result.concat(item,(Array.isArray(item.children) ? flatten(item.children) : []));
	}, []);
},

export function menuPerm(id){
    // 从本地缓存中异步获取menuArray的内容
    let arr = uni.getStorageSync('menuArray');
    return arrIndexOf(arr, id);
}
// 判断是否存在该权限
function arrIndexOf(arr, id) {
    if(arr.indexOf(id) !== -1){
        return true;
    } else {
        return false;
    }
}

import {menuPerm} from './utils/menuArr.js'

Vue.prototype.$menuPerm = menuPerm;

<button type="default" v-show="$menuPerm(20201)" @click="">新增</button>