路由守卫分3种:
全局守卫
路由独享守卫
组件内的路由守卫
1.全局守卫:
beforeEach
beforeResolve
afterEach:
一般放在main.js文件内
import router from './router'
router.beforeEach(to, from, next) => {
next()
}
router.afterEach(to, from, each) => {
next()
}
2.路由独享守卫:
配置在路由定义对象里面:
const routers = new Router({
routers: [
{
path: '/',
component: '',
beforeEnter: (to, form, next) => {next()} //参数用法什么的都一样,调用顺序在全局前置守卫后面,所以不会被全局守卫覆盖
}
]
})
3.组件内的路由守卫
beforeRouterEnter:在路由独享守卫之后调用,不能获取组件实例this
beforeRouterUpdate:
beforeRouterLeave:离开路由前调用,可以获取this实例
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