/**
* 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'
*/
export function handleTree(data, id, parentId, children) {
let config = {
id: id || 'id',
parentId: parentId || 'parentId',
childrenList: children || 'children'
};
var childrenListMap = {};
var nodeIds = {};
var tree = [];
for (let d of data) {
let parentId = d[config.parentId];
if (childrenListMap[parentId] == null) {
childrenListMap[parentId] = [];
}
nodeIds[d[config.id]] = d;
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;
}
// 回显数据字典
export function selectDictLabel(datas, value) {
var actions = [];
Object.keys(datas).some((key) => {
if (datas[key].value == ('' + value)) {
actions.push(datas[key].label);
return true;
}
})
return actions.join('');
}
// 回显数据字典（字符串数组）
export function selectDictLabels(datas, value, separator) {
var actions = [];
var currentSeparator = undefined === separator ? "," : separator;
var temp = value.split(currentSeparator);
Object.keys(value.split(currentSeparator)).some((val) => {
Object.keys(datas).some((key) => {
if (datas[key].value == ('' + temp[val])) {
actions.push(datas[key].label + currentSeparator);
}
})
})
return actions.join('').substring(0, actions.join('').length - 1);
}
export function parseTime(time, pattern) {
if (arguments.length === 0 || !time) {
return null
}
const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
let date
if (typeof time === 'object') {
date = time
} else {
if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
time = parseInt(time)
} else if (typeof time === 'string') {
time = time.replace(new RegExp(/-/gm), '/').replace('T', ' ').replace(new RegExp(/\.[\d]{3}/gm),'');
}
if ((typeof time === 'number') && (time.toString().length === 10)) {
time = time * 1000
}
date = new Date(time)
}
const formatObj = {
y: date.getFullYear(),
m: date.getMonth() + 1,
d: date.getDate(),
h: date.getHours(),
i: date.getMinutes(),
s: date.getSeconds(),
a: date.getDay()
}
const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
let value = formatObj[key]
// Note: getDay() returns 0 on Sunday
if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
if (result.length > 0 && value < 10) {
value = '0' + value
}
return value || 0
})
return time_str
}
/**
* @param {Array} arr
* @returns {Array}
*/
export function uniqueArr(arr) {
return Array.from(new Set(arr))
}
/**
* This is just a simple version of deep copy
* Has a lot of edge cases bug
* If you want to use a perfect deep copy, use lodash's _.cloneDeep
* @param {Object} source
* @returns {Object}
*/
export function deepClone(source) {
if (!source && typeof source !== 'object') {
throw new Error('error arguments', 'deepClone')
}
const targetObj = source.constructor === Array ? [] : {}
Object.keys(source).forEach(keys => {
if (source[keys] && typeof source[keys] === 'object') {
targetObj[keys] = deepClone(source[keys])
} else {
targetObj[keys] = source[keys]
}
})
return targetObj
}
/**
* @param {Function} func
* @param {number} wait
* @param {boolean} immediate
* @return {*}
*/
export function debounce(func, wait, immediate) {
let timeout, args, context, timestamp, result
const later = function() {
// 据上一次触发时间间隔
const last = +new Date() - timestamp
// 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
if (last < wait && last > 0) {
timeout = setTimeout(later, wait - last)
} else {
timeout = null
// 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
if (!immediate) {
result = func.apply(context, args)
if (!timeout) context = args = null
}
}
}
return function(...args) {
context = this
timestamp = +new Date()
const callNow = immediate && !timeout
// 如果延时不存在，重新设定延时
if (!timeout) timeout = setTimeout(later, wait)
if (callNow) {
result = func.apply(context, args)
context = args = null
}
return result
}
}
/**
* @param {string} url
* @returns {Object}
*/
export function getQueryObject(url) {
url = url == null ? window.location.href : url
const search = url.substring(url.lastIndexOf('?') + 1)
const obj = {}
const reg = /([^?&=]+)=([^?&=]*)/g
search.replace(reg, (rs, $1, $2) => {
const name = decodeURIComponent($1)
let val = decodeURIComponent($2)
val = String(val)
obj[name] = val
return rs
})
return obj
}
export function idNumberHide(idNumber) {
if (idNumber == null || idNumber == undefined || idNumber == '') {
return '';
}
return idNumber.substring(0, 4) + '**********' + idNumber.substring(idNumber.length - 4);
}
export function mobileHide(mobile) {
if (mobile == null || mobile == undefined || mobile == '') {
return '';
}
return mobile.substring(0, 3) + '****' + mobile.substring(mobile.length - 4);
}
/**
* 表格时间格式化
*/
export function formatDate(cellValue) {
if (cellValue == null || cellValue == "") return "";
var date = new Date(cellValue)
var year = date.getFullYear()
var month = date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1
var day = date.getDate() < 10 ? '0' + date.getDate() : date.getDate()
var hours = date.getHours() < 10 ? '0' + date.getHours() : date.getHours()
var minutes = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()
var seconds = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds()
return year + '-' + month + '-' + day + ' ' + hours + ':' + minutes + ':' + seconds
}
