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  • 后台管理系统使用vue-element-admin搭建

    近期在搞一个会议健康申报系统时,要搞一个后台,用到了vue-element-admin模板,使用的是PanJianChen(源码地址:https://github.com/PanJiaChen/vue-admin-template)

    第一步:当前是下载源码了,下载地址:https://github.com/PanJiaChen/vue-admin-template

    第二步:修改登录页面,登录接口(/store/modules/admin.js/login()),根据实际情况修改用户信息接口(/store/modules/admin.js/getInfo())

    第三步:修改权限路由

    1.删减路由文件中的配置,export const constantRoutes保留基本的/login、/404

    2.动态路由清空,export const asyncRoutes=[]

    3./store/modules/permission.js下定义生成路由方法

    /**
     * 后台查询的菜单数据拼装成路由格式的数据
     * @param routes
     */
    export function generaMenu(routes, data) {
    
        data.forEach(item => {
            let menu = {
                path: item.url,
                children: [],
                name: 'menu_' + item.id,
                meta: { title: item.name, id: item.id ,icon:item.icon}
            }
            // console.log(item.url.indexOf('dashboard'))
    
            // console.log(item.children)
            if (item.children) {
                // console.log(item.children.length)
                if (item.children.length > 0) {
                    menu.redirect = item.children[0].url
                    menu.component = Layout
                } else {
                    // menu.component = () => import(`@/views${item.url}/index`)
                    menu.component = () => Promise.resolve(require(`@/views${item.url}`).default)
    
                }
                if (item.url && item.url.indexOf('dashboard') != -1) {
                    menu = {
                        path: '/',
                        component: Layout,
                        redirect: '/dashboard',
                        children: [{
                            path: 'dashboard',
                            name: 'Dashboard',
                            component: () => import('@/views/dashboard/index'),
                            meta: { title: '控制台', icon: 'dashboard' }
                        }]
                    }
                }
                generaMenu(menu.children, item.children)
            } else {
                console.log('没有children')
            }
            routes.push(menu)
        })
    }
    

      actions中根据后台的接口加载动态路由

    actions: {
            GenerateRoutes({ commit }, data) {
                return new Promise(resolve => {
    
                    const loadMenuData = []
                    getAuthMenu().then(res => {
                        let data = res.data
                        console.log('menu=>', data)
                        console.log('asyncRoutes=>>', asyncRoutes)
                        let newRoutes = []//此处清空之前的路由
                        Object.assign(loadMenuData, data)
                        generaMenu(newRoutes, loadMenuData)
                        newRoutes.push({ path: '*', redirect: '/404', hidden: true })
                        let accessedRouters = newRoutes || []
                        console.log('accessedRouters', accessedRouters)
                        commit('SET_ROUTERS', accessedRouters)
                        resolve()
                    })
    
                })
            },
            reset_routers({ commit }) {
                return new Promise(resolve => {
                    commit('RESET_ROUTERS')
                    resolve()
                })
            }
        }
    

      第四步、在/permission.js中添加动态路由

    router.beforeEach(async (to, from, next) => {
    	// start progress bar
    	NProgress.start()
    
    	// set page title
    	document.title = getPageTitle(to.meta.title)
    
    	// determine whether the user has logged in
    	const hasToken = getToken()
    
    	if (hasToken) {
    		if (to.path === '/login') {
    			// if is logged in, redirect to the home page
    			next({ path: '/' })
    			NProgress.done()
    		} else {
    			const hasGetUserInfo = store.getters.name
    			if (hasGetUserInfo) {
    				next()
    			} else {
    				try {
    					// get user info
    					await store.dispatch('admin/getInfo')
    
    					store.dispatch('GenerateRoutes', {}).then(() => { // 生成可访问的路由表
    						router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
    						console.log('to=',store.getters.addRouters)
    						next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
    						NProgress.done()
    					})
    
    					// next()
    				} catch (error) {
    					// remove token and go to login page to re-login
    					await store.dispatch('admin/resetToken')
    					Message.error(error || 'Has Error')
    					next(`/login?redirect=${to.path}`)
    					NProgress.done()
    				}
    			}
    		}
    	} else {
    		/* has no token*/
    
    		if (whiteList.indexOf(to.path) !== -1) {
    			// in the free login whitelist, go directly
    			next()
    		} else {
    			// other pages that do not have permission to access are redirected to the login page.
    			next(`/login?redirect=${to.path}`)
    			NProgress.done()
    		}
    	}
    })
    

      然后你就可心情地玩了。

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  • 原文地址:https://www.cnblogs.com/dzlishen/p/15419299.html
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