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feat(tree): add defaultExpandLevel prop
新增defaultExpandLevel属性,指定默认要展开的层级数。-1为默认全部展开(等同于ATree的defaultExpandAll),大于0则展开到指定层级。注意:该属性仅在首次渲染时起作用 close: #672
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Original file line number | Diff line number | Diff line change |
---|---|---|
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@@ -11,6 +11,7 @@ | |
toRaw, | ||
watch, | ||
CSSProperties, | ||
onMounted, | ||
} from 'vue'; | ||
import { Tree, Empty } from 'ant-design-vue'; | ||
import { TreeIcon } from './TreeIcon'; | ||
|
@@ -209,6 +210,16 @@ | |
treeDataRef.value = props.treeData as TreeItem[]; | ||
}); | ||
onMounted(() => { | ||
if (props.defaultExpandLevel === '') return; | ||
const level = parseInt(props.defaultExpandLevel); | ||
if (level === -1) { | ||
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mynetfan
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|
||
expandAll(true); | ||
} else if (level > 0) { | ||
state.expandedKeys = filterByLevel(level); | ||
} | ||
}); | ||
watchEffect(() => { | ||
state.expandedKeys = props.expandedKeys; | ||
}); | ||
|
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这个位置是否可以直接用boolean来判断,不用-1