11 KiB
11 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>
<div slot="tip" class="el-upload__tip">jpg/png files with a size less than 500kb</div>
</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 :visible.sync="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">
<i slot="default" class="el-icon-plus"></i>
<div slot="file" slot-scope="{file}">
<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>
</el-upload>
<el-dialog :visible.sync="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>
<div slot="tip" class="el-upload__tip">jpg/png files with a size less than 500kb</div>
</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>
<div slot="tip" class="el-upload__tip">jpg/png files with a size less than 500kb</div>
</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>
<div class="el-upload__tip" slot="tip">jpg/png files with a size less than 500kb</div>
</el-upload>
:::
Manual upload
:::demo
<el-upload
class="upload-demo"
ref="upload"
action="https://jsonplaceholder.typicode.com/posts/"
:auto-upload="false">
<el-button slot="trigger" size="small" type="primary">select file</el-button>
<el-button style="margin-left: 10px;" size="small" type="success" @click="submitUpload">upload to server</el-button>
<div class="el-upload__tip" slot="tip">jpg/png files with a size less than 500kb</div>
</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) | — | - |
Slot
| 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 | — |