路由拦截

hejianhao

2025-05-08 2f52706d0b8cd121a2ef05f2d73b359bf4a4781a

 laboratory/src/router/index.js

@@ -668,52 +668,60 @@
    document.title = to.meta.title || '实验室流程';

    // 登录验证
    console.log('to.path', to.path)
    console.log('sessionStorage.getItem(token)', sessionStorage.getItem('token'));
    
    if (!sessionStorage.getItem('token') && to.path != "/") {
        next('/')
    } else if (sessionStorage.getItem('token') && to.path == "/") {
        next('/system')
    } else {
        // 判断是否拥有要跳转菜单权限
        let menus = store.state.menus
        if (to.meta.hasOwnProperty('privilege') && !menus.includes(to.meta.privilege)) {
            return
    // 排除登录页的校验
    if (to.path === "/login") {
        if (sessionStorage.getItem('token')) {
            next('/system');  // 已登录状态访问登录页时重定向到系统首页
            return;
        }

        // 设置标签列表
        if (!to.meta.hide || !to.meta.oneself) {
            let tagList = JSON.parse(sessionStorage.getItem('tagList') || '[]')
            // 判断是否存在
            let isExist = tagList.some(item => item.path === to.path)
            if (!isExist) {
                // 只保存必要的信息
                const tagInfo = {
                    path: to.path,
                    name: to.name,
                    meta: to.meta
                }
                tagList.push(tagInfo)
                sessionStorage.setItem('tagList', JSON.stringify(tagList))
                store.commit('SET_TAGLIST', tagList)
            }
        }

        // 判断是否需要缓存
        if (to.meta.keepAlive) {
            let keepAliveList = JSON.parse(sessionStorage.getItem('keepAliveList') || '[]')
            // 判断是否已经缓存
            let isExist = keepAliveList.includes(to.name)
            if (!isExist) {
                keepAliveList.push(to.name)
                sessionStorage.setItem('keepAliveList', JSON.stringify(keepAliveList))
                store.commit('SET_KEEPALIVELIST', keepAliveList)
            }
        }

        next()
        next();
        return;
    }

    // 登录状态校验
    const isAuthenticated = sessionStorage.getItem('token');
    if (!isAuthenticated) {
        next('/login');  // 未登录用户重定向到登录页
        return;
    }

    // 判断是否拥有要跳转菜单权限
    let menus = store.state.menus
    if (to.meta.hasOwnProperty('privilege') && !menus.includes(to.meta.privilege)) {
        return
    }

    // 设置标签列表
    if (!to.meta.hide || !to.meta.oneself) {
        let tagList = JSON.parse(sessionStorage.getItem('tagList') || '[]')
        // 判断是否存在
        let isExist = tagList.some(item => item.path === to.path)
        if (!isExist) {
            // 只保存必要的信息
            const tagInfo = {
                path: to.path,
                name: to.name,
                meta: to.meta
            }
            tagList.push(tagInfo)
            sessionStorage.setItem('tagList', JSON.stringify(tagList))
            store.commit('SET_TAGLIST', tagList)
        }
    }

    // 判断是否需要缓存
    if (to.meta.keepAlive) {
        let keepAliveList = JSON.parse(sessionStorage.getItem('keepAliveList') || '[]')
        // 判断是否已经缓存
        let isExist = keepAliveList.includes(to.name)
        if (!isExist) {
            keepAliveList.push(to.name)
            sessionStorage.setItem('keepAliveList', JSON.stringify(keepAliveList))
            store.commit('SET_KEEPALIVELIST', keepAliveList)
        }
    }

    next()
});

export default router;