ruoyi-miniapp/utils/dict.js

/**
 * 回显字典值
 * @param {Object} dict
 * @param {Object} value
 */
export function echoDicValue(dict, value) {
	if (!dict) return ''
	return dict.find(d => d.value == value).label || ''
}

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