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17 KiB
17 KiB
Upload
Upload files by clicking or drag-and-drop
Click to upload files
:::demo Customize upload button type and text using slot
. Set limit
and on-exceed
to limit the maximum number of uploads allowed and specify method when the limit is exceeded. Plus, you can abort removing a file in the before-remove
hook.
<el-upload
class="upload-demo"
action="https://jsonplaceholder.typicode.com/posts/"
:on-preview="handlePreview"
:on-remove="handleRemove"
:before-remove="beforeRemove"
multiple
:limit="3"
:on-exceed="handleExceed"
:file-list="fileList"
>
<el-button size="small" type="primary">Click to upload</el-button>
<template #tip>
<div class="el-upload__tip">jpg/png files with a size less than 500kb</div>
</template>
</el-upload>
<script>
export default {
data() {
return {
fileList: [
{
name: 'food.jpeg',
url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100',
},
{
name: 'food2.jpeg',
url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100',
},
],
}
},
methods: {
handleRemove(file, fileList) {
console.log(file, fileList)
},
handlePreview(file) {
console.log(file)
},
handleExceed(files, fileList) {
this.$message.warning(
`The limit is 3, you selected ${
files.length
} files this time, add up to ${
files.length + fileList.length
} totally`
)
},
beforeRemove(file, fileList) {
return this.$confirm(`Cancel the transfert of ${file.name} ?`)
},
},
}
</script>
:::
User avatar upload
Use before-upload
hook to limit the upload file format and size.
:::demo
<el-upload
class="avatar-uploader"
action="https://jsonplaceholder.typicode.com/posts/"
:show-file-list="false"
:on-success="handleAvatarSuccess"
:before-upload="beforeAvatarUpload"
>
<img v-if="imageUrl" :src="imageUrl" class="avatar" />
<i v-else class="el-icon-plus avatar-uploader-icon"></i>
</el-upload>
<style>
.avatar-uploader .el-upload {
border: 1px dashed #d9d9d9;
border-radius: 6px;
cursor: pointer;
position: relative;
overflow: hidden;
}
.avatar-uploader .el-upload:hover {
border-color: #409eff;
}
.avatar-uploader-icon {
font-size: 28px;
color: #8c939d;
width: 178px;
height: 178px;
line-height: 178px;
text-align: center;
}
.avatar {
width: 178px;
height: 178px;
display: block;
}
</style>
<script>
export default {
data() {
return {
imageUrl: '',
}
},
methods: {
handleAvatarSuccess(res, file) {
this.imageUrl = URL.createObjectURL(file.raw)
},
beforeAvatarUpload(file) {
const isJPG = file.type === 'image/jpeg'
const isLt2M = file.size / 1024 / 1024 < 2
if (!isJPG) {
this.$message.error('Avatar picture must be JPG format!')
}
if (!isLt2M) {
this.$message.error('Avatar picture size can not exceed 2MB!')
}
return isJPG && isLt2M
},
},
}
</script>
:::
Photo Wall
Use list-type
to change the fileList style.
:::demo
<el-upload
action="https://jsonplaceholder.typicode.com/posts/"
list-type="picture-card"
:on-preview="handlePictureCardPreview"
:on-remove="handleRemove"
>
<i class="el-icon-plus"></i>
</el-upload>
<el-dialog v-model="dialogVisible">
<img width="100%" :src="dialogImageUrl" alt="" />
</el-dialog>
<script>
export default {
data() {
return {
dialogImageUrl: '',
dialogVisible: false,
}
},
methods: {
handleRemove(file, fileList) {
console.log(file, fileList)
},
handlePictureCardPreview(file) {
this.dialogImageUrl = file.url
this.dialogVisible = true
},
},
}
</script>
:::
Custom file thumbnail
Use scoped-slot
to change default thumbnail template.
:::demo
<el-upload action="#" list-type="picture-card" :auto-upload="false">
<template #default>
<i class="el-icon-plus"></i>
</template>
<template #file="{file}">
<div>
<img class="el-upload-list__item-thumbnail" :src="file.url" alt="" />
<span class="el-upload-list__item-actions">
<span
class="el-upload-list__item-preview"
@click="handlePictureCardPreview(file)"
>
<i class="el-icon-zoom-in"></i>
</span>
<span
v-if="!disabled"
class="el-upload-list__item-delete"
@click="handleDownload(file)"
>
<i class="el-icon-download"></i>
</span>
<span
v-if="!disabled"
class="el-upload-list__item-delete"
@click="handleRemove(file)"
>
<i class="el-icon-delete"></i>
</span>
</span>
</div>
</template>
</el-upload>
<el-dialog v-model="dialogVisible">
<img width="100%" :src="dialogImageUrl" alt="" />
</el-dialog>
<script>
export default {
data() {
return {
dialogImageUrl: '',
dialogVisible: false,
disabled: false,
}
},
methods: {
handleRemove(file) {
console.log(file)
},
handlePictureCardPreview(file) {
this.dialogImageUrl = file.url
this.dialogVisible = true
},
handleDownload(file) {
console.log(file)
},
},
}
</script>
:::
FileList with thumbnail
:::demo
<el-upload
class="upload-demo"
action="https://jsonplaceholder.typicode.com/posts/"
:on-preview="handlePreview"
:on-remove="handleRemove"
:file-list="fileList"
list-type="picture"
>
<el-button size="small" type="primary">Click to upload</el-button>
<template #tip>
<div class="el-upload__tip">jpg/png files with a size less than 500kb</div>
</template>
</el-upload>
<script>
export default {
data() {
return {
fileList: [
{
name: 'food.jpeg',
url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100',
},
{
name: 'food2.jpeg',
url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100',
},
],
}
},
methods: {
handleRemove(file, fileList) {
console.log(file, fileList)
},
handlePreview(file) {
console.log(file)
},
},
}
</script>
:::
File list control
Use on-change
hook function to control upload file list
:::demo
<el-upload
class="upload-demo"
action="https://jsonplaceholder.typicode.com/posts/"
:on-change="handleChange"
:file-list="fileList"
>
<el-button size="small" type="primary">Click to upload</el-button>
<template #tip>
<div class="el-upload__tip">jpg/png files with a size less than 500kb</div>
</template>
</el-upload>
<script>
export default {
data() {
return {
fileList: [
{
name: 'food.jpeg',
url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100',
},
{
name: 'food2.jpeg',
url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100',
},
],
}
},
methods: {
handleChange(file, fileList) {
this.fileList = fileList.slice(-3)
},
},
}
</script>
:::
Drag to upload
You can drag your file to a certain area to upload it.
:::demo
<el-upload
class="upload-demo"
drag
action="https://jsonplaceholder.typicode.com/posts/"
:on-preview="handlePreview"
:on-remove="handleRemove"
:file-list="fileList"
multiple
>
<i class="el-icon-upload"></i>
<div class="el-upload__text">Drop file here or <em>click to upload</em></div>
<template #tip>
<div class="el-upload__tip">jpg/png files with a size less than 500kb</div>
</template>
</el-upload>
:::
Manual upload
:::demo
<el-upload
class="upload-demo"
ref="upload"
action="https://jsonplaceholder.typicode.com/posts/"
:auto-upload="false"
>
<template #trigger>
<el-button size="small" type="primary">select file</el-button>
</template>
<el-button
style="margin-left: 10px;"
size="small"
type="success"
@click="submitUpload"
>upload to server</el-button
>
<template #tip>
<div class="el-upload__tip">jpg/png files with a size less than 500kb</div>
</template>
</el-upload>
<script>
export default {
methods: {
submitUpload() {
this.$refs.upload.submit()
},
},
}
</script>
:::
Attributes
Attribute | Description | Type | Accepted Values | Default |
---|---|---|---|---|
action | required, request URL | string | — | — |
headers | request headers | object | — | — |
multiple | whether uploading multiple files is permitted | boolean | — | — |
data | additions options of request | object | — | — |
name | key name for uploaded file | string | — | file |
with-credentials | whether cookies are sent | boolean | — | false |
show-file-list | whether to show the uploaded file list | boolean | — | true |
drag | whether to activate drag and drop mode | boolean | — | false |
accept | accepted file types, will not work when thumbnail-mode is true |
string | — | — |
on-preview | hook function when clicking the uploaded files | function(file) | — | — |
on-remove | hook function when files are removed | function(file, fileList) | — | — |
on-success | hook function when uploaded successfully | function(response, file, fileList) | — | — |
on-error | hook function when some errors occurs | function(err, file, fileList) | — | — |
on-progress | hook function when some progress occurs | function(event, file, fileList) | — | — |
on-change | hook function when select file or upload file success or upload file fail | function(file, fileList) | — | — |
before-upload | hook function before uploading with the file to be uploaded as its parameter. If false is returned or a Promise is returned and then is rejected, uploading will be aborted |
function(file) | — | — |
before-remove | hook function before removing a file with the file and file list as its parameters. If false is returned or a Promise is returned and then is rejected, removing will be aborted. |
function(file, fileList) | — | — |
thumbnail-mode | whether thumbnail is displayed | boolean | — | false |
file-list | default uploaded files, e.g. [{name: 'food.jpg', url: 'https://xxx.cdn.com/xxx.jpg'}] | array | — | [] |
list-type | type of fileList | string | text/picture/picture-card | text |
auto-upload | whether to auto upload file | boolean | — | true |
http-request | override default xhr behavior, allowing you to implement your own upload-file's request | function | — | — |
disabled | whether to disable upload | boolean | — | false |
limit | maximum number of uploads allowed | number | — | — |
on-exceed | hook function when limit is exceeded | function(files, fileList) | — | - |
Slots
Name | Description |
---|---|
trigger | content which triggers file dialog |
tip | content of tips |
Methods
Methods Name | Description | Parameters |
---|---|---|
clearFiles | clear the uploaded file list (this method is not supported in the before-upload hook) |
— |
abort | cancel upload request | ( file: fileList's item ) |
submit | upload the file list manually | — |