vue-router传参

本文介绍利用props传参，传参的形式有三种：布尔模式、对象模式、函数模式

<router-link :to="{name:'children',params:{id:msg}}">切换咯</router-link>

布尔模式：将props属性设置成为true，如果 props 被设置为 true，route.params 将会被设置为组件属性。

{
        path: '/index',
        component:() => import('../src/components/index/index.vue'), 
        children: [{
            path: '/children/:id',
            name:'children',
            component:() => import('../src/components/index/children/index.vue'),
            props: true,  //关键代码
        }]
    },

//index/children.vue
export default{
　　props:['id']
}

对象模式：在路由配置(router.js)里边设置props为对象{id:”msg”}，然后去组件中设置props，props的值为路由配置里边的props的key，也就是id

    {
        path: '/index',
        component:() => import('../src/components/index/index.vue'), 
        children: [{
            path: '/children',
            name:'children',
            component:() => import('../src/components/index/children/index.vue'),
            props: {
                id:'msg'
            },
        }]
    },

注意：这样设置只使用与props里面的值是静态的

函数模式：可以创建一个函数返回 props。这样你便可以将参数转换成另一种类型，将静态值与基于路由的值结合等等

    {
        path: '/index',
        component:() => import('../src/components/index/index.vue'), 
        children: [{
            path: '/children',
            name:'children',
            component:() => import('../src/components/index/children/index.vue'),
            props:()=>({id:'msg1'}),  //静态设置
        }]
    },

    {
        path: '/index',
        component:() => import('../src/components/index/index.vue'), 
        children: [{
            path: '/children',
            name:'children',
            component:() => import('../src/components/index/children/index.vue'),
            props:(route)=>({id:route.params.id}),  //动态设置
        }]
    },