| | |
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| | | * @param {*} children 孩子节点字段 默认 'children'
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| | | * @param {*} rootId 根Id 默认 0
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| | | */
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| | | export function handleTree(data, id, parentId, children, rootId) {
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| | | id = id || 'id'
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| | | parentId = parentId || 'parentId'
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| | | children = children || 'children'
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| | | rootId = rootId || 0
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| | | export function handleTree(data = [], id = 'id', parentId = 'parentId', children = 'children', rootId = 0) {
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| | | //对源数据深度克隆
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| | | const cloneData = JSON.parse(JSON.stringify(data))
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| | | //循环所有项
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| | | const treeData = cloneData.filter(father => {
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| | | let branchArr = cloneData.filter(child => {
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| | | const branchArr = cloneData.filter(child => {
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| | | //返回每一项的子级数组
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| | | return father[id] === child[parentId]
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| | | });
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| | | branchArr.length > 0 ? father.children = branchArr : '';
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| | | branchArr.length && (father.children = branchArr);
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| | | //返回第一层
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| | | return father[parentId] === rootId;
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| | | });
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| | | return treeData != '' ? treeData : data;
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| | | return treeData !== '' ? treeData : data;
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| | | }
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| | |
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