126 lines
3.5 KiB
JavaScript
126 lines
3.5 KiB
JavaScript
import dayjs from 'dayjs'
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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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*/
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export const handleTree = (data, id, parentId, children) => {
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if (!Array.isArray(data)) {
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console.warn('data must be an array')
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return []
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}
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const config = {
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id: id || 'id',
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parentId: parentId || 'parentId',
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childrenList: children || 'children',
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}
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const childrenListMap = {}
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const nodeIds = {}
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const tree = []
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for (const d of data) {
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const parentId = d[config.parentId]
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if (childrenListMap[parentId] == null) {
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childrenListMap[parentId] = []
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}
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nodeIds[d[config.id]] = d
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childrenListMap[parentId].push(d)
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}
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for (const d of data) {
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const 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 (const 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 (const 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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export const convertToInteger = (num) => {
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if (typeof num === 'undefined') return 0
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const parsedNumber = typeof num === 'string' ? parseFloat(num) : num
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// TODO 分转元后还有小数则四舍五入
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return Math.round(parsedNumber * 100)
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}
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/**
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* 将一个整数转换为分数保留两位小数
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* @param num
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*/
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export const formatToFraction = (num) => {
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if (typeof num === 'undefined') return '0.00'
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const parsedNumber = typeof num === 'string' ? parseFloat(num) : num
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return (parsedNumber / 100.0).toFixed(2)
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}
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export const floatToFixed2 = (num) => {
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let str = '0.00'
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if (typeof num === 'undefined') {
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return str
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}
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const f = formatToFraction(num)
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const decimalPart = f.toString().split('.')[1]
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const len = decimalPart ? decimalPart.length : 0
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switch (len) {
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case 0:
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str = f.toString() + '.00'
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break
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case 1:
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str = f.toString() + '0'
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break
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case 2:
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str = f.toString()
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break
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}
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return str
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}
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export function resetPagination(pagination) {
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pagination.list = []
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pagination.total = 0
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pagination.pageNo = 1
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}
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/**
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* 时间日期转换
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* @param {dayjs.ConfigType} date 当前时间，new Date() 格式
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* @param {string} format 需要转换的时间格式字符串
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* @description format 字符串随意，如 `YYYY-mm、YYYY-mm-dd`
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* @description format 季度："YYYY-mm-dd HH:MM:SS QQQQ"
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* @description format 星期："YYYY-mm-dd HH:MM:SS WWW"
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* @description format 几周："YYYY-mm-dd HH:MM:SS ZZZ"
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* @description format 季度 + 星期 + 几周："YYYY-mm-dd HH:MM:SS WWW QQQQ ZZZ"
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* @returns {string} 返回拼接后的时间字符串
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*/
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export function formatDate(date, format) {
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// 日期不存在，则返回空
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if (!date) {
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return ''
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}
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// 日期存在，则进行格式化
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if (format === undefined) {
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format = 'YYYY-MM-DD HH:mm:ss'
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}
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return dayjs(date).format(format)
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}
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