Vue base notes 4

Routing parameter passing

The first

router.js

{
    path: '/course/detail/:pk/',
    name: 'course-detail',
    component: CourseDetail
}

Transport layer

<!-- card的内容
{
    id: 1,
    bgColor: 'red',
    title: 'Python基础'
}
-->
<router-link :to="`/course/detail/${card.id}`">详情页</router-link>

Receiving layer

let id = this.$route.params.pk

Evolution body

"""
{
    path: '/course/:pk/:name/detail',
    name: 'course-detail',
    component: CourseDetail
}

<router-link :to="`/course/${card.id}/${card.title}/detail`">详情页</router-link>

let id = this.$route.params.pk
let title = this.$route.params.name
"""

The second

router.js

{
    // 浏览器链接显示：/course/detail，注：课程id是通过数据包方式传递
    path: '/course/detail',
    name: 'course-detail',
    component: CourseDetail
}

Transport layer

<!-- card的内容
{
    id: 1,
    bgColor: 'red',
    title: 'Python基础'
}
-->
<router-link :to="{
                  name: 'course-detail',
                  params: {pk: card.id}
                  }">详情页</router-link>

Receiving layer

let id = this.$route.params.pk

The third

router.js

{
    // 浏览器链接显示：/course/detail?pk=1，注：课程id是通过路由拼接方式传递
    path: '/course/detail',
    name: 'course-detail',
    component: CourseDetail
}

Transport layer

<!-- card的内容
{
    id: 1,
    bgColor: 'red',
    title: 'Python基础'
}
-->
<router-link :to="{
                  name: 'course-detail',
                  query: {pk: card.id}
                  }">详情页</router-link>

Receiving layer

let id = this.$route.query.pk