若依 2.1
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@ -100,4 +100,33 @@ export function praseStrEmpty(str) {
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return "";
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}
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return str;
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}
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}
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/**
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* 构造树型结构数据
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* @param {*} data 数据源
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* @param {*} id id字段 默认 'id'
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* @param {*} parentId 父节点字段 默认 'parentId'
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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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//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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//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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//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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}
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