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useObjectUrl

类别
导出大小
249 B
最近修改
2 days ago

代表对象的反应式 URL。

🌐 Reactive URL representing an object.

通过 URL.createObjectURL() 为提供的 FileBlobMediaSource 创建一个 URL,并在源更改或组件卸载时通过 URL.revokeObjectURL() 自动释放该 URL。

🌐 Creates an URL for the provided File, Blob, or MediaSource via URL.createObjectURL() and automatically releases the URL via URL.revokeObjectURL() when the source changes or the component is unmounted.

示例

Select file:
Object URL:
none

用法

🌐 Usage

vue
<script setup lang="ts">
import { 
useObjectUrl
} from '@vueuse/core'
import {
shallowRef
} from 'vue'
const
file
=
shallowRef
()
const
url
=
useObjectUrl
(
file
)
function
onFileChange
(
event
) {
file
.
value
=
event
.target.files[0]
} </script> <template> <
input
type
="file" @
change
="
onFileChange
">
<
a
:href
="
url
">Open file</
a
>
</template>

组件用法

🌐 Component Usage

vue
<template>
  <UseObjectUrl v-slot="
url
"
:object
="file">
<
a
:href
="
url
">Open file</
a
>
</UseObjectUrl> </template>