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319 lines
9.0 KiB
Markdown
Executable File
319 lines
9.0 KiB
Markdown
Executable File
---
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title: NestedSelect 级联选择器
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description:
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type: 0
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group: null
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menuName: NestedSelect 级联选择器
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icon:
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order: 31
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---
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## 基本用法
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```schema: scope="body"
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{
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"type": "form",
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"api": "https://3xsw4ap8wah59.cfc-execute.bj.baidubce.com/api/amis-mock/mock2/form/saveForm",
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"controls": [
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{
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"type": "nested-select",
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"name": "nestedSelect",
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"label": "级联选择器",
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"options": [
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{
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"label": "A",
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"value": "a"
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},
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{
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"label": "B",
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"value": "b",
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"children": [
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{
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"label": "B-1",
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"value": "b-1"
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},
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{
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"label": "B-2",
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"value": "b-2"
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},
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{
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"label": "B-3",
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"value": "b-3"
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}
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]
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},
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{
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"label": "C",
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"value": "c"
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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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## 动态选项
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通过 source 可以从上下文或 api 中获取选项信息，比如
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```schema: scope="body"
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{
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"type": "page",
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"data": {
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"options": [
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{
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"label": "A",
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"value": "a"
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},
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{
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"label": "B",
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"value": "b",
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"children": [
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{
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"label": "B-1",
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"value": "b-1"
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},
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{
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"label": "B-2",
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"value": "b-2"
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},
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{
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"label": "B-3",
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"value": "b-3"
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}
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]
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},
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{
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"label": "C",
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"value": "c"
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}
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]
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},
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"body": {
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"type": "form",
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"api": "https://3xsw4ap8wah59.cfc-execute.bj.baidubce.com/api/amis-mock/mock2/form/saveForm",
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"controls": [
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{
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"type": "nested-select",
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"name": "nestedSelect",
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"label": "级联选择器",
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"source": "${options}"
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}
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]
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}
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}
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```
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也可以是 api 地址
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```schema: scope="body"
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{
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"type": "page",
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"body": {
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"type": "form",
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"api": "https://3xsw4ap8wah59.cfc-execute.bj.baidubce.com/api/amis-mock/mock2/form/saveForm",
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"controls": [
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{
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"type": "nested-select",
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"name": "nestedSelect",
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"label": "级联选择器",
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"source": "https://3xsw4ap8wah59.cfc-execute.bj.baidubce.com/api/amis-mock/mock2/form/getTreeOptions"
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}
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]
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}
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}
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```
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## 选中父节点是否自动选中子节点
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默认选中父节点会自动选中子节点，可以设置`"cascade": true`，不自动选中子节点
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```schema: scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://3xsw4ap8wah59.cfc-execute.bj.baidubce.com/api/amis-mock/mock2/form/saveForm",
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"controls": [
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{
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"type": "nested-select",
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"name": "nestedSelect1",
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"label": "默认自动选中子节点",
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"multiple": true,
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"options": [
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{
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"label": "A",
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"value": "a"
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},
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{
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"label": "B",
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"value": "b",
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"children": [
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{
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"label": "B-1",
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"value": "b-1"
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},
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{
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"label": "B-2",
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"value": "b-2"
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},
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{
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"label": "B-3",
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"value": "b-3"
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}
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]
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},
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{
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"label": "C",
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"value": "c"
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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": "nested-select",
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"name": "nestedSelect2",
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"label": "不自动选中子节点",
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"multiple": true,
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"cascade": true,
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"options": [
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{
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"label": "A",
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"value": "a"
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},
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{
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"label": "B",
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"value": "b",
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"children": [
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{
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"label": "B-1",
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"value": "b-1"
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},
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{
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"label": "B-2",
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"value": "b-2"
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},
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{
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"label": "B-3",
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"value": "b-3"
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}
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]
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},
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{
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"label": "C",
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"value": "c"
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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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## 选中父节点，值是否包含子节点
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默认选中父节点，是不会带上子节点的值，想要自动带上子节点的值，那么配置`"withChildren": true`
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```schema: scope="body"
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{
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"type": "form",
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"debug": true,
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"api": "https://3xsw4ap8wah59.cfc-execute.bj.baidubce.com/api/amis-mock/mock2/form/saveForm",
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"controls": [
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{
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"type": "nested-select",
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"name": "nestedSelect1",
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"label": "默认不自动带上子节点的值",
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"multiple": true,
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"options": [
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{
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"label": "A",
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"value": "a"
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},
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{
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"label": "B",
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"value": "b",
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"children": [
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{
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"label": "B-1",
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"value": "b-1"
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},
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{
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"label": "B-2",
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"value": "b-2"
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},
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{
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"label": "B-3",
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"value": "b-3"
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}
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]
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},
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{
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"label": "C",
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"value": "c"
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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": "nested-select",
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"name": "nestedSelect2",
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"label": "自动带上子节点的值",
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"multiple": true,
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"withChildren": true,
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"options": [
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{
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"label": "A",
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"value": "a"
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},
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{
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"label": "B",
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"value": "b",
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"children": [
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{
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"label": "B-1",
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"value": "b-1"
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},
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{
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"label": "B-2",
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"value": "b-2"
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},
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{
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"label": "B-3",
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"value": "b-3"
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}
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]
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},
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{
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"label": "C",
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"value": "c"
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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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## 属性表
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当做选择器表单项使用时，除了支持 [普通表单项属性表](./formitem#%E5%B1%9E%E6%80%A7%E8%A1%A8) 中的配置以外，还支持下面一些配置
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| 属性名 | 类型 | 默认值 | 说明 |
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| ---------------- | ----------------------------------------- | -------------------- | ------------------------------------------------------------------------------------------- |
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| options | `Array<object>`或`Array<string>` | | [选项组](./options#%E9%9D%99%E6%80%81%E9%80%89%E9%A1%B9%E7%BB%84-options) |
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| source | `string`或 [API](../../../docs/types/api) | | [动态选项组](./options#%E5%8A%A8%E6%80%81%E9%80%89%E9%A1%B9%E7%BB%84-source) |
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| delimeter | `boolean` | `false` | [拼接符](./options#%E6%8B%BC%E6%8E%A5%E7%AC%A6-delimiter) |
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| labelField | `boolean` | `"label"` | [选项标签字段](./options#%E9%80%89%E9%A1%B9%E6%A0%87%E7%AD%BE%E5%AD%97%E6%AE%B5-labelfield) |
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| valueField | `boolean` | `"value"` | [选项值字段](./options#%E9%80%89%E9%A1%B9%E5%80%BC%E5%AD%97%E6%AE%B5-valuefield) |
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| joinValues | `boolean` | `true` | [拼接值](./options#%E6%8B%BC%E6%8E%A5%E5%80%BC-joinvalues) |
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| extractValue | `boolean` | `false` | [提取值](./options#%E6%8F%90%E5%8F%96%E5%A4%9A%E9%80%89%E5%80%BC-extractvalue) |
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| autoFill | `object` | | [自动填充](./options#%E8%87%AA%E5%8A%A8%E5%A1%AB%E5%85%85-autofill) |
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| cascade | `boolean` | `false` | 设置 `true`时，当选中父节点时不自动选择子节点。 |
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| withChildren | `boolean` | `false` | 设置 `true`时，选中父节点时，值里面将包含子节点的值，否则只会保留父节点的值。 |
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| searchable | `boolean` | `false` | 可否搜索 |
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| searchPromptText | `string` | `"输入内容进行检索"` | 搜索框占位文本 |
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| noResultsText | `string` | `"未找到任何结果"` | 无结果时的文本 |
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| multiple | `boolean` | `false` | 可否多选 |
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