修复树表数据显示不全&加载慢问题
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@ -129,24 +129,47 @@ export function praseStrEmpty(str) {
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* @param {*} id id字段 默认 'id'
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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 {*} 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 {*} 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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*/
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export function handleTree(data, id, parentId, children, rootId) {
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export function handleTree(data, id, parentId, children) {
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id = id || 'id'
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let config = {
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parentId = parentId || 'parentId'
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id: id || 'id',
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children = children || 'children'
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parentId: parentId || 'parentId',
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rootId = rootId || Math.min.apply(Math, data.map(item => { return item[parentId] })) || 0
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childrenList: children || 'children'
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//对源数据深度克隆
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};
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const cloneData = JSON.parse(JSON.stringify(data))
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//循环所有项
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var childrenListMap = {};
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const treeData = cloneData.filter(father => {
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var nodeIds = {};
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let branchArr = cloneData.filter(child => {
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var tree = [];
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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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for (let d of data) {
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});
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let parentId = d[config.parentId];
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branchArr.length > 0 ? father.children = branchArr : '';
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if (childrenListMap[parentId] == null) {
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//返回第一层
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childrenListMap[parentId] = [];
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return father[parentId] === rootId;
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}
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});
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nodeIds[d[config.id]] = d;
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return treeData != '' ? treeData : data;
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childrenListMap[parentId].push(d);
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}
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for (let d of data) {
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let parentId = d[config.parentId];
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if (nodeIds[parentId] == null) {
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tree.push(d);
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}
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}
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for (let t of tree) {
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adaptToChildrenList(t);
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}
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function adaptToChildrenList(o) {
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if (childrenListMap[o[config.id]] !== null) {
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o[config.childrenList] = childrenListMap[o[config.id]];
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}
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if (o[config.childrenList]) {
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for (let c of o[config.childrenList]) {
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adaptToChildrenList(c);
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}
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}
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}
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return tree;
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}
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}
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