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110 lines
2.2 KiB
Markdown
110 lines
2.2 KiB
Markdown
---
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title: TreeSelect
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lang: en-US
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---
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# TreeSelect
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The tree selector of the dropdown menu,
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it combines the functions of components `el-tree` and `el-select`.
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## Basic usage
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Selector for tree structures.
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:::demo
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tree-select/basic
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:::
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:::tip
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Since `render-after-expand` defaults to `true`,
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the selected label name may not be displayed when echoing,
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you can set it to `false` to display the correct name.
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:::
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## Select any level
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When using the `check-strictly=true` attribute, any node can be checked,
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otherwise only leaf nodes are supported.
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:::demo
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tree-select/check-strictly
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:::
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:::tip
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When using `show-checkbox`, since `check-on-click-node` is false by default,
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it can only be selected by checking, you can set it to true,
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and then click the node to select.
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:::
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## Multiple Selection
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Multiple selection using clicks or checkbox.
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:::demo
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tree-select/multiple
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:::
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## Disabled Selection
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Disable options using the disabled field.
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:::demo
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tree-select/disabled
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:::
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## Filterable
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Use keyword filtering or custom filtering methods.
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`filterMethod` can custom filter method for data,
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`filterNodeMethod` can custom filter method for data node.
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:::demo
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tree-select/filterable
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:::
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## Custom content
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Contents of custom tree nodes.
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:::demo
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tree-select/slots
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:::
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## LazyLoad
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Lazy loading of tree nodes, suitable for large data lists.
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:::demo
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tree-select/lazy
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:::
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## Attributes
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Since this component combines the functions of components `el-tree` and `el-select`,
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the original properties have not been changed, so no repetition here,
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and please go to the original component to view the documentation.
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| Attributes | Methods | Events | Slots |
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| --------------------------------------- | ----------------------------- | ----------------------------------- | ---------------------------------- |
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| [tree](./tree.md#attributes) | [tree](./tree.md#method) | [tree](./tree.md#events) | [tree](./tree.md#slots) |
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| [select](./select.md#select-attributes) | [select](./select.md#methods) | [select](./select.md#select-events) | [select](./select.md#select-slots) |
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