2020-07-28 10:03:53 +08:00
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---
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title: TreeSelect 树形选择器
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2020-12-02 15:08:47 +08:00
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description:
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2020-07-28 10:03:53 +08:00
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type: 0
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group: null
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menuName: TreeSelect 树形选择器
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2020-12-02 15:08:47 +08:00
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icon:
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2020-07-28 10:03:53 +08:00
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order: 60
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---
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## 基本使用
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2021-01-07 23:35:03 +08:00
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```schema: scope="body"
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2020-07-28 10:03:53 +08:00
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{
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"type": "form",
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2021-08-09 18:05:01 +08:00
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"api": "/api/mock2/form/saveForm",
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2021-06-07 10:09:55 +08:00
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"body": [
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2020-07-28 10:03:53 +08:00
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{
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"type": "tree-select",
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"name": "tree",
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"label": "Tree",
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2021-03-15 10:30:39 +08:00
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"searchable": true,
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2020-07-28 10:03:53 +08:00
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"options": [
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{
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"label": "Folder A",
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"value": 1,
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"children": [
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{
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"label": "file A",
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"value": 2
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},
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{
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"label": "file B",
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"value": 3
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}
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]
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},
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{
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"label": "file C",
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"value": 4
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},
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{
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"label": "file D",
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"value": 5
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2020-12-02 15:08:47 +08:00
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},
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{
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"label": "Folder E",
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"children": [
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{
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"label": "Folder G",
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"children": [
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{
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"label": "file H",
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"value": 6
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},
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{
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"label": "file I",
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"value": 7
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}
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]
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}
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]
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2020-07-28 10:03:53 +08:00
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}
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]
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}
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]
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}
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```
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2021-09-15 23:24:14 +08:00
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## 仅展示选中节点文本信息
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设置`hideNodePathLabel: true`,可以隐藏选择框中已选择节点的祖先节点(ancestor)的`labelField`字段值,仅展示当前选中节点的`labelField`字段值。
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```schema: scope="body"
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{
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"type": "form",
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"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "tree-select",
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"name": "tree1",
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"label": "展示已选择节点的祖先节点的文本信息",
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"value": "1,6,7",
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"multiple": true,
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"options": [
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{
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"label": "Folder A",
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"value": 1,
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"children": [
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{
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"label": "file A",
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"value": 2
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},
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{
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"label": "file B",
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"value": 3
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}
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]
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},
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{
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"label": "file C",
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"value": 4
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},
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{
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"label": "file D",
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"value": 5
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},
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{
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"label": "Folder E",
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"children": [
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{
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"label": "Folder G",
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"children": [
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{
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"label": "file H",
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"value": 6
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},
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{
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"label": "file I",
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"value": 7
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}
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]
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}
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]
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}
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]
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},
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{
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"type": "divider"
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},
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{
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"type": "tree-select",
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"name": "tree2",
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"label": "仅展示已选择节点的文本信息",
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"value": "1,6,7",
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"multiple": true,
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"hideNodePathLabel": true,
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"options": [
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{
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"label": "Folder A",
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"value": 1,
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"children": [
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{
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"label": "file A",
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"value": 2
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},
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{
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"label": "file B",
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"value": 3
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}
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]
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},
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{
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"label": "file C",
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"value": 4
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},
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{
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"label": "file D",
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"value": 5
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},
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{
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"label": "Folder E",
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"children": [
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{
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"label": "Folder G",
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"children": [
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{
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"label": "file H",
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"value": 6
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},
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{
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"label": "file I",
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"value": 7
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}
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]
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}
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]
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}
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]
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}
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]
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}
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```
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2022-03-22 18:51:21 +08:00
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## 只允许选择叶子节点
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> 1.8.0 及以上版本
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在单选时,可通过 `onlyLeaf` 可以配置只允许选择叶子节点
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```schema: scope="body"
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{
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"type": "form",
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"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "tree-select",
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"name": "tree",
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"label": "Tree",
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"onlyLeaf": true,
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"searchable": true,
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"options": [
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{
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"label": "Folder A",
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"value": 1,
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"children": [
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{
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"label": "file A",
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"value": 2
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},
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{
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"label": "file B",
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"value": 3
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}
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]
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},
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{
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"label": "file C",
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"value": 4
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},
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{
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"label": "file D",
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"value": 5
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},
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{
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"label": "Folder E",
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"value": "61",
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"children": [
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{
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"label": "Folder G",
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"value": "62",
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"children": [
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{
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"label": "file H",
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"value": 6
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},
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{
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"label": "file I",
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"value": 7
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}
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]
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}
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]
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}
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]
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}
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}
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```
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2022-03-16 17:53:05 +08:00
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## 如何让某些节点无法点?
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只需要对应的节点没有 value 就行,比如下面例子的目录节点都无法点,只能点文件节点
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```schema: scope="body"
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{
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"type": "form",
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"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "tree-select",
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"name": "tree",
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"label": "Tree",
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"searchable": true,
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"options": [
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{
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"label": "Folder A",
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"children": [
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{
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"label": "file A",
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"value": 2
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},
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{
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"label": "file B",
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"value": 3
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}
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]
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},
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{
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"label": "Folder E",
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"children": [
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{
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"label": "Folder G",
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"children": [
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{
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"label": "file H",
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"value": 6
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},
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{
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"label": "file I",
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"value": 7
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}
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]
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}
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]
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}
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]
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}
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]
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}
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```
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2023-02-08 12:06:55 +08:00
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## 搜索选项
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> `2.7.1` 及以上版本
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配置`autoComplete`接口可以实现从远程数据搜索目标结果,搜索的关键字段为`term`,注意搜索的逻辑需要在服务端实现。
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```schema: scope="body"
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{
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"type":"form",
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"api":"/api/mock2/form/saveForm",
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"body":[
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{
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"type":"tree-select",
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"name":"tree",
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"label":"Tree",
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"autoComplete":"/api/mock2/tree/search?term=$term",
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"source":"/api/mock2/tree/search"
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}
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]
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}
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```
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2023-02-23 16:46:27 +08:00
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## 自定义选项渲染
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2023-02-27 21:39:28 +08:00
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> `2.8.0` 及以上版本
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2023-02-23 16:46:27 +08:00
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使用`menuTpl`属性,自定义下拉选项的渲染内容。
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```schema: scope="body"
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{
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"type": "form",
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"api": "/api/mock2/form/saveForm",
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"body": [
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{
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"type": "tree-select",
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"name": "tree",
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"label": "Tree",
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"menuTpl": "<div class='flex justify-between'><span>${label}</span><span class='bg-gray-200 rounded p-1 text-xs text-center w-24'>${tag}</span></div>",
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"iconField": "icon",
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"searchable": true,
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"options": [
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{
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"label": "采购单",
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"value": "order",
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"tag": "数据模型",
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"icon": "fa fa-database",
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"children": [
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{
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"label": "ID",
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"value": "id",
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"tag": "数字",
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"icon": "fa fa-check",
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},
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{
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"label": "采购人",
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"value": "name",
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"tag": "字符串",
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"icon": "fa fa-check",
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},
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{
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"label": "采购时间",
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|
|
|
|
"value": "time",
|
|
|
|
|
"tag": "日期时间",
|
|
|
|
|
"icon": "fa fa-check",
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"label": "供应商",
|
|
|
|
|
"value": "vendor",
|
|
|
|
|
"tag": "数据模型(N:1)",
|
|
|
|
|
"icon": "fa fa-database",
|
|
|
|
|
"children": [
|
|
|
|
|
{
|
|
|
|
|
"label": "供应商ID",
|
|
|
|
|
"value": "vendor_id",
|
|
|
|
|
"tag": "数字",
|
|
|
|
|
"icon": "fa fa-check",
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
"label": "供应商名称",
|
|
|
|
|
"value": "vendor_name",
|
|
|
|
|
"tag": "字符串",
|
|
|
|
|
"icon": "fa fa-check",
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
}
|
|
|
|
|
]
|
|
|
|
|
}
|
|
|
|
|
```
|
|
|
|
|
|
2021-09-15 23:24:14 +08:00
|
|
|
|
## 属性表
|
|
|
|
|
|
2023-02-23 16:46:27 +08:00
|
|
|
|
下列属性为`tree-select`独占属性, 更多属性用法,参考[InputTree 树形选择框](./input-tree)
|
2021-09-15 23:24:14 +08:00
|
|
|
|
|
2023-02-23 16:46:27 +08:00
|
|
|
|
| 属性名 | 类型 | 默认值 | 说明 | 版本 |
|
|
|
|
|
| ----------------- | --------- | ------- | ------------------------------------------------- | ---- |
|
|
|
|
|
| hideNodePathLabel | `boolean` | `false` | 是否隐藏选择框中已选择节点的路径 label 信息 | |
|
|
|
|
|
| onlyLeaf | `boolean` | `false` | 只允许选择叶子节点 | |
|
|
|
|
|
| searchable | `boolean` | `false` | 是否可检索,仅在 type 为 `tree-select` 的时候生效 | |
|
2022-03-17 20:25:51 +08:00
|
|
|
|
|
|
|
|
|
## 事件表
|
|
|
|
|
|
2023-05-28 22:26:48 +08:00
|
|
|
|
当前组件会对外派发以下事件,可以通过`onEvent`来监听这些事件,并通过`actions`来配置执行的动作,在`actions`中可以通过`${事件参数名}`或`${event.data.[事件参数名]}`来获取事件产生的数据,详细请查看[事件动作](../../docs/concepts/event-action)。
|
2022-05-31 15:05:54 +08:00
|
|
|
|
|
2022-10-12 15:09:03 +08:00
|
|
|
|
> `[name]`表示当前组件绑定的名称,即`name`属性,如果没有配置`name`属性,则通过`value`取值。
|
|
|
|
|
|
|
|
|
|
| 事件名称 | 事件参数 | 说明 |
|
|
|
|
|
| ------------ | ------------------------------------------------------------------------------------------------ | ---------------------------- |
|
|
|
|
|
| change | `[name]: string` 组件的值 | 选中值变化时触发 |
|
|
|
|
|
| blur | `[name]: string` 组件的值 | 输入框失去焦点时触发 |
|
|
|
|
|
| focus | `[name]: string` 组件的值 | 输入框获取焦点时触发 |
|
|
|
|
|
| add | `[name]: object` 新增的节点信息<br/>``items: object[]`选项集合(< 2.3.2 及以下版本 为`options`) | 新增节点提交时触发 |
|
|
|
|
|
| edit | `[name]: object` 编辑的节点信息<br/>``items: object[]`选项集合(< 2.3.2 及以下版本 为`options`) | 编辑节点提交时触发 |
|
2023-01-05 17:40:12 +08:00
|
|
|
|
| delete | `[name]: object` 删除的节点信息<br/>``items: object[]`选项集合(< 2.3.2 及以下版本 为`options`) | 删除节点提交时触发 |
|
2022-10-12 15:09:03 +08:00
|
|
|
|
| loadFinished | `[name]: object` deferApi 懒加载远程请求成功后返回的数据 | 懒加载接口远程请求成功时触发 |
|
2022-03-17 20:25:51 +08:00
|
|
|
|
|
|
|
|
|
## 动作表
|
|
|
|
|
|
2022-05-31 15:05:54 +08:00
|
|
|
|
当前组件对外暴露以下特性动作,其他组件可以通过指定`actionType: 动作名称`、`componentId: 该组件id`来触发这些动作,动作配置可以通过`args: {动作配置项名称: xxx}`来配置具体的参数,详细请查看[事件动作](../../docs/concepts/event-action#触发其他组件的动作)。
|
|
|
|
|
|
2022-10-12 15:09:03 +08:00
|
|
|
|
| 动作名称 | 动作配置 | 说明 |
|
|
|
|
|
| -------- | -------------------------------------- | --------------------------------------------------------------------------------------- |
|
|
|
|
|
| clear | - | 清空 |
|
|
|
|
|
| reset | - | 将值重置为`resetValue`,若没有配置`resetValue`,则清空 |
|
|
|
|
|
| setValue | `value: string` \| `string[]` 更新的值 | 更新数据,开启`multiple`支持设置多项,开启`joinValues`时,多值用`,`分隔,否则多值用数组 |
|