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文档中说ProFormTreeSelect:支持 request 和 valueEnum 两种方式来生成子项。我用valueEnum生成树形数据,写了半天也没给成功。
The text was updated successfully, but these errors were encountered:
在Ant Design Pro中,你可以使用valueEnum属性来生成树状数据,以便使用ProFormTreeSelect组件。
valueEnum是一个对象,其中键是树状选择框中的值,而值是对象,该对象表示显示在选择框中的标签。
下面是一个简单的示例:
const treeData = [ { title: 'Node 1', value: '1', children: [ { title: 'Child Node 1', value: '1-1', }, { title: 'Child Node 2', value: '1-2', }, ], }, { title: 'Node 2', value: '2', children: [ { title: 'Child Node 3', value: '2-1', }, { title: 'Child Node 4', value: '2-2', }, ], }, ]; const valueEnum = {}; function flatData(data) { data.forEach((item) => { valueEnum[item.value] = item.title; if (item.children) { flatData(item.children); } }); } flatData(treeData); <ProForm.Item name="tree" label="树选择框" valueEnum={valueEnum} component={ProFormTreeSelect} treeData={treeData} placeholder="请选择" style={{ width: '100%' }} allowClear treeDefaultExpandAll />
在上面的代码中,我们使用flatData函数将树状数据扁平化,并将每个节点的value与title映射到valueEnum对象中。最后,我们将valueEnum作为valueEnum属性传递给ProFormTreeSelect组件,并将treeData作为treeData属性传递。
这样,您就可以使用树状数据生成ProFormTreeSelect组件了。
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为什么用了valueEnum还需要使用treeData?
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🥰 需求描述
文档中说ProFormTreeSelect:支持 request 和 valueEnum 两种方式来生成子项。我用valueEnum生成树形数据,写了半天也没给成功。
The text was updated successfully, but these errors were encountered: