修复树表数据显示不全&加载慢问题

This commit is contained in:
RuoYi 2021-04-09 08:31:13 +08:00
parent b56b8846d9
commit 6810243ab7
1 changed files with 43 additions and 20 deletions

View File

@ -129,24 +129,47 @@ export function praseStrEmpty(str) {
* @param {*} id id字段 默认 'id' * @param {*} id id字段 默认 'id'
* @param {*} parentId 父节点字段 默认 'parentId' * @param {*} parentId 父节点字段 默认 'parentId'
* @param {*} children 孩子节点字段 默认 'children' * @param {*} children 孩子节点字段 默认 'children'
* @param {*} rootId 根Id 默认 0
*/ */
export function handleTree(data, id, parentId, children, rootId) { export function handleTree(data, id, parentId, children) {
id = id || 'id' let config = {
parentId = parentId || 'parentId' id: id || 'id',
children = children || 'children' parentId: parentId || 'parentId',
rootId = rootId || Math.min.apply(Math, data.map(item => { return item[parentId] })) || 0 childrenList: children || 'children'
//对源数据深度克隆 };
const cloneData = JSON.parse(JSON.stringify(data))
//循环所有项 var childrenListMap = {};
const treeData = cloneData.filter(father => { var nodeIds = {};
let branchArr = cloneData.filter(child => { var tree = [];
//返回每一项的子级数组
return father[id] === child[parentId] for (let d of data) {
}); let parentId = d[config.parentId];
branchArr.length > 0 ? father.children = branchArr : ''; if (childrenListMap[parentId] == null) {
//返回第一层 childrenListMap[parentId] = [];
return father[parentId] === rootId; }
}); nodeIds[d[config.id]] = d;
return treeData != '' ? treeData : data; childrenListMap[parentId].push(d);
}
for (let d of data) {
let parentId = d[config.parentId];
if (nodeIds[parentId] == null) {
tree.push(d);
}
}
for (let t of tree) {
adaptToChildrenList(t);
}
function adaptToChildrenList(o) {
if (childrenListMap[o[config.id]] !== null) {
o[config.childrenList] = childrenListMap[o[config.id]];
}
if (o[config.childrenList]) {
for (let c of o[config.childrenList]) {
adaptToChildrenList(c);
}
}
}
return tree;
} }