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* feat(website): init viteperss (#3162) * init vitepress * Finish homepage * relayout page * partial finish * update * update use lang * remove font weight; change font size * docs: optimize docs folder structure * reorganize project * fix ssr issue * fix build issues Co-authored-by: Kevin <sxzz@sxzz.moe> Co-authored-by: zouhang <zouhang@didiglobal.com> * feat(website) integrate with crowdin (#3218) - Introduce Crowdin CLI - Add script for fetching Crowdin token from env - Add script for local development * fix formatting * update codeblocks (#3249) * feat(docs): update website preview script - Update azure preview build script - Eliminate dead links * bootstrap docs * fix homepage layout issue * fix formating * Finish ToC and codepen integration * reorganized files and fix issue that causes demo unavailable after build * feat(docs): migration documentations (#3283) * feat(docs): migration documentations - Move documentations to docs/ * remove unused files * docs: [popconfirm] migrate document (#3285) * feat(docs): migrate documentation from space.md to upload.md (#3292) - Upload documentations acorrodingly * docs: [date-picker] migrate document (#3289) * docs: [date-picker] migrate document * fix: typo * docs: [slider] migrate document (#3287) * docs: migrate documents (#3290) * docs: migrate-datetime-picker * docs: migrate descriptions * docs: migrate dialog * docs: migrate divider * docs: migrate drawer * docs: migrate drapdown * docs: fix drapdown * docs: migrate empty * docs: migrate form * docs: add scoped for style * docs: simplify toRefs * chore: update doc (#3297) * chore: update doc * chore: update doc * chore: update doc * feat(docs): migrate documentations from infinite-scroll to page-header (#3303) - Update docs accordingly - Update CodePen icon to match style - Update component name to match others * docs: migrate documentions (#3293) migrate list: * image * popover * scrollbar * radio * rate * skeleton * select * select-v2 * reault * progress * pagination * chore: update doc (#3305) Co-authored-by: 0song <0song@gmail.com> * Fix broken pipeline * chore: update demo plugin * website perfection * fix hydration bug * docs: update guide (#3342) * WIP docs * docs: update docs * add dark mode * make dev fetch components from local instead of node_modules Co-authored-by: msidolphin <msidolphin@outlook.com> Co-authored-by: Aex <spryti@qq.com> Co-authored-by: 0song <82012629+0song@users.noreply.github.com> Co-authored-by: 0song <0song@gmail.com> Co-authored-by: zouhang <zouhang@didiglobal.com> Co-authored-by: 三咲智子 <sxzz@sxzz.moe> * fix(docs): fix codepen code example issue (#3380) * fix(docs): fix codepen code example issue - Add lang="ts" for all example files - Fix codepen import error * revert changes in resource.vue * feat(docs): complete crowdin integration (#3408) * Update mds for preparing the integration script * deprecate old website * update sponsors and even handler for resize * update build script for preview * fix preview-build error * fix preview-build error * fix preview-build error * fix preview-build error * fix preview-build error * update deploy script and some bugs * Fix existing issue * chore(project): add dev preview workflow * chore(project): rename dev to staging * update the size of toc * update staging-preview script * update preview scripts * enable website build for preview * fix build error * final commitment for update the details * remove azure pipeline * move docs ignores into docs and update date Co-authored-by: Kevin <sxzz@sxzz.moe> Co-authored-by: zouhang <zouhang@didiglobal.com> Co-authored-by: msidolphin <msidolphin@outlook.com> Co-authored-by: Aex <spryti@qq.com> Co-authored-by: 0song <82012629+0song@users.noreply.github.com> Co-authored-by: 0song <0song@gmail.com>
183 lines
12 KiB
Markdown
183 lines
12 KiB
Markdown
# Select
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When there are plenty of options, use a drop-down menu to display and select desired ones.
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<style lang="scss">
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.example-showcase .el-select {
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width: 240px;
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}
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</style>
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## Basic usage
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:::demo `v-model` is the value of `el-option` that is currently selected.
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select/basic-usage
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:::
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## Disabled option
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:::demo Set the value of `disabled` in `el-option` to `true` to disable this option.
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select/disabled-option
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:::
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## Disabled select
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Disable the whole component.
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:::demo Set `disabled` of `el-select` to make it disabled.
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select/disabled
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:::
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## Clearable single select
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You can clear Select using a clear icon.
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:::demo Set `clearable` attribute for `el-select` and a clear icon will appear. Note that `clearable` is only for single select.
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select/clearable
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:::
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## Basic multiple select
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Multiple select uses tags to display selected options.
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:::demo Set `multiple` attribute for `el-select` to enable multiple mode. In this case, the value of `v-model` will be an array of selected options. By default the selected options will be displayed as Tags. You can collapse them to a text by using `collapse-tags` attribute.
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select/multiple
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:::
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## Custom template
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You can customize HTML templates for options.
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:::demo Insert customized HTML templates into the slot of `el-option`.
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select/custom-template
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:::
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## Grouping
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Display options in groups.
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:::demo Use `el-option-group` to group the options, and its `label` attribute stands for the name of the group.
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select/grouping
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:::
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## Option filtering
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You can filter options for your desired ones.
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:::demo Adding `filterable` to `el-select` enables filtering. By default, Select will find all the options whose `label` attribute contains the input value. If you prefer other filtering strategies, you can pass the `filter-method`. `filter-method` is a `Function` that gets called when the input value changes, and its parameter is the current input value.
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select/filterable
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:::
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## Remote Search
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Enter keywords and search data from server.
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:::demo Set the value of `filterable` and `remote` with `true` to enable remote search, and you should pass the `remote-method`. `remote-method` is a `Function` that gets called when the input value changes, and its parameter is the current input value. Note that if `el-option` is rendered with the `v-for` directive, you should add the `key` attribute for `el-option`. Its value needs to be unique, such as `item.value` in the following example.
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select/remote-search
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:::
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## Create new items
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Create and select new items that are not included in select options
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:::demo By using the `allow-create` attribute, users can create new items by typing in the input box. Note that for `allow-create` to work, `filterable` must be `true`. This example also demonstrates `default-first-option`. When this attribute is set to `true`, you can select the first option in the current option list by hitting enter without having to navigate with mouse or arrow keys.
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select/allow-create
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:::
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:::tip
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If the binding value of Select is an object, make sure to assign `value-key` as its unique identity key name.
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:::
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## Select Attributes
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| Attribute | Description | Type | Accepted Values | Default |
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| --------------------- | --------------------------------------------------------------------------------------------------------------------------- | ---------------------------------- | ----------------------- | -------------------- |
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| model-value / v-model | binding value | string / number / boolean / object | — | — |
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| multiple | whether multiple-select is activated | boolean | — | false |
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| disabled | whether Select is disabled | boolean | — | false |
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| value-key | unique identity key name for value, required when value is an object | string | — | value |
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| size | size of Input | string | large/medium/small/mini | large |
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| clearable | whether select can be cleared | boolean | — | false |
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| collapse-tags | whether to collapse tags to a text when multiple selecting | boolean | — | false |
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| multiple-limit | maximum number of options user can select when `multiple` is `true`. No limit when set to 0 | number | — | 0 |
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| name | the name attribute of select input | string | — | — |
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| autocomplete | the autocomplete attribute of select input | string | — | off |
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| placeholder | placeholder | string | — | Select |
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| filterable | whether Select is filterable | boolean | — | false |
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| allow-create | whether creating new items is allowed. To use this, `filterable` must be true | boolean | — | false |
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| filter-method | custom filter method | function | — | — |
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| remote | whether options are loaded from server | boolean | — | false |
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| remote-method | custom remote search method | function | — | — |
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| loading | whether Select is loading data from server | boolean | — | false |
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| loading-text | displayed text while loading data from server | string | — | Loading |
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| no-match-text | displayed text when no data matches the filtering query, you can also use slot `empty` | string | — | No matching data |
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| no-data-text | displayed text when there is no options, you can also use slot `empty` | string | — | No data |
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| popper-class | custom class name for Select's dropdown | string | — | — |
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| reserve-keyword | when `multiple` and `filter` is true, whether to reserve current keyword after selecting an option | boolean | — | false |
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| default-first-option | select first matching option on enter key. Use with `filterable` or `remote` | boolean | - | false |
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| popper-append-to-body | whether to append the popper menu to body. If the positioning of the popper is wrong, you can try to set this prop to false | boolean | - | true |
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| automatic-dropdown | for non-filterable Select, this prop decides if the option menu pops up when the input is focused | boolean | - | false |
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| clear-icon | Custom clear icon class | string | — | el-icon-circle-close |
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## Select Events
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| Event Name | Description | Parameters |
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| -------------- | ------------------------------------------------------------- | ----------------------------------------- |
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| change | triggers when the selected value changes | current selected value |
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| visible-change | triggers when the dropdown appears/disappears | true when it appears, and false otherwise |
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| remove-tag | triggers when a tag is removed in multiple mode | removed tag value |
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| clear | triggers when the clear icon is clicked in a clearable Select | — |
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| blur | triggers when Input blurs | (event: Event) |
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| focus | triggers when Input focuses | (event: Event) |
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## Select Slots
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| Name | Description |
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| ------ | -------------------------------- |
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| — | Option component list |
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| prefix | content as Select prefix |
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| empty | content when there is no options |
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## Option Group Attributes
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| Attribute | Description | Type | Accepted Values | Default |
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| --------- | -------------------------------------------- | ------- | --------------- | ------- |
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| label | name of the group | string | — | — |
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| disabled | whether to disable all options in this group | boolean | — | false |
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## Option Attributes
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| Attribute | Description | Type | Accepted Values | Default |
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| --------- | ------------------------------------------- | ---------------------------------- | --------------- | ------- |
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| value | value of option | string / number / boolean / object | — | — |
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| label | label of option, same as `value` if omitted | string/number | — | — |
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| disabled | whether option is disabled | boolean | — | false |
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## Methods
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| Method | Description | Parameters |
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| ------ | ----------------------------------------------- | ---------- |
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| focus | focus the Input component | - |
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| blur | blur the Input component, and hide the dropdown | - |
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