Passing routing parameters using props can make components easier to reuse and test. There are three ways: ① Boolean mode: props: true Pass routing parameters as props; ② Object mode: props: { key: value } Pass static values; ③ Function mode: props: (route) => ({}) It can process parameters dynamically and pass them. The corresponding props need to be declared in the component, which is suitable for simple scenarios and improve component decoupling and maintainability.
Passing props to route components in Vue Router is a clean way to make your components more reusable and easier to test. Instead of accessing $route directly inside your component, you can enable props for a route so that route parameters, query strings, or static values are passed as regular props.
Here's how to do it in Vue 3 with Vue Router (also apply to Vue 2 with vue-router 3.1):
? Enable Props in Route Configuration
You need to set props: true in your route definition to automatically pass route params as props.
const routes = [
{
path: '/user/:id',
component: UserComponent,
props: true // This enables passing params as props
}
] With this setup, if you navigate to /user/123 , the UserComponent will receive id as a prop:
<!-- UserComponent.vue -->
<template>
<div>User ID: {{ id }}</div>
</template>
<script>
export default {
props: ['id']
}
</script>? Pass Static and Dynamic Props
You can also pass static values or mix params with static/query values using a props function :
{
path: '/news',
component: NewsComponent,
props: (route) => ({
page: parseInt(route.query.page) || 1,
category: 'technology'
})
} Now NewsComponent receives page and category as props:
<script>
export default {
props: ['page', 'category']
}
</script>This is useful when you want to pass query parameters or transform route data before passing it down.
? Using Props with Named Routes or Components
If you're using named views (like components instead of component ), you must use object syntax with named props :
{
name: 'home',
path: '/home',
components: {
default: HomeView,
sidebar: SidebarComponent
},
props: {
default: true,
sidebar: { show: true }
}
}? Don't Use Props with Route-Level Components (Sometimes)
Avoid using props if your component heavily relies on the route itself (like many params or complex logic). In such cases, using useRoute() (Composition API) or this.$route (Options API) might be clearer.
But for simple, reusable components , prefer props — it makes them easier to test and decouples them from the router.
? Summary: 3 Ways to Pass Props
- Boolean mode :
props: true→ passes route params as props. - Object mode :
props: { id: 1 }→ passes static values. - Function mode :
props: (route) => ({})→ full control over what to pass.
Example:
[
{ path: '/user/:id', component: User, props: true },
{ path: '/feed', component: Feed, props: { type: 'hot' } },
{ path: '/search', component: Search, props: route => ({ q: route.query.q }) }
] Use props when you can — it leads to cleaner, more maintained components. Just remember to define the props option in your route and declare the props in your component.
Basically, it's a small change that makes your app more modular.
The above is the detailed content of How to pass props to route components in Vue Router?. For more information, please follow other related articles on the PHP Chinese website!
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