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@ -1,87 +1,102 @@
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/**
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* 将时间转换为指定格式的字符串
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* @param {(Object|string|number)} time - 时间对象、时间戳、或时间字符串
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* @param {string} cFormat - 输出格式，如 '{y}-{m}-{d} {h}:{i}:{s}'
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* @returns {string} 格式化后的时间字符串
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* Created by PanJiaChen on 16/11/18.
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*/
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export function parseTime(time, cFormat) {
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/**
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* Parse the time to string
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* @param {(Object|string|number)} time
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* @param {string} cFormat
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* @returns {string}
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*/
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export function parseTime (time, cFormat) {
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if (arguments.length === 0) {
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return null
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}
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const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}' // 默认格式
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const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
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let date
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if (typeof time === 'object') {
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date = time
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} else {
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if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
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time = parseInt(time) // 字符串时间转为数字
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time = parseInt(time)
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}
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if ((typeof time === 'number') && (time.toString().length === 10)) {
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time = time * 1000 // 将10位数的时间戳转为13位（毫秒级）
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time = time * 1000
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}
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date = new Date(time)
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}
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const formatObj = {
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y: date.getFullYear(),
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m: date.getMonth() + 1, // 月份从0开始，因此加1
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m: date.getMonth() + 1,
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d: date.getDate(),
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h: date.getHours(),
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i: date.getMinutes(),
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s: date.getSeconds(),
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a: date.getDay() // 获取星期几，0表示星期天
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a: date.getDay()
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}
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// 将格式化字符串中的占位符替换为对应的时间值
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// eslint-disable-next-line camelcase
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const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
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let value = formatObj[key]
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if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] } // 星期显示中文
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// Note: getDay() returns 0 on Sunday
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// eslint-disable-next-line standard/computed-property-even-spacing
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if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value ] }
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if (result.length > 0 && value < 10) {
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value = '0' + value // 如果是单数字，补0
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value = '0' + value
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}
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return value || 0
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})
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// eslint-disable-next-line camelcase
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return time_str
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}
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/**
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* 格式化时间为友好的相对时间字符串
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* @param {number} time - 时间戳
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* @param {string} option - 可选的自定义格式
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* @returns {string} 格式化后的时间
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* @param {number} time
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* @param {string} option
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* @returns {string}
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*/
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export function formatTime(time, option) {
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export function formatTime (time, option) {
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if (('' + time).length === 10) {
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time = parseInt(time) * 1000 // 将10位时间戳转为13位（毫秒级）
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time = parseInt(time) * 1000
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} else {
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time = +time // 转换为数字
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time = +time
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}
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const d = new Date(time)
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const now = Date.now() // 当前时间
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const diff = (now - d) / 1000 // 计算差值（秒）
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const now = Date.now()
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const diff = (now - d) / 1000
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if (diff < 30) {
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return '刚刚' // 小于30秒
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return '刚刚'
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} else if (diff < 3600) {
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return Math.ceil(diff / 60) + '分钟前' // 小于1小时
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// less 1 hour
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return Math.ceil(diff / 60) + '分钟前'
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} else if (diff < 3600 * 24) {
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return Math.ceil(diff / 3600) + '小时前' // 小于1天
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return Math.ceil(diff / 3600) + '小时前'
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} else if (diff < 3600 * 24 * 2) {
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return '1天前' // 小于2天
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return '1天前'
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}
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if (option) {
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return parseTime(time, option) // 如果传入了自定义格式，则使用自定义格式
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return parseTime(time, option)
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} else {
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return (
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d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
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d.getMonth() +
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1 +
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'月' +
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d.getDate() +
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'日' +
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d.getHours() +
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'时' +
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d.getMinutes() +
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'分'
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)
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}
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}
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/**
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* 从URL中解析查询参数为对象
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* @param {string} url - URL字符串
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* @returns {Object} 解析出的查询参数对象
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* @param {string} url
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* @returns {Object}
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*/
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export function getQueryObject(url) {
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export function getQueryObject (url) {
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url = url == null ? window.location.href : url
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const search = url.substring(url.lastIndexOf('?') + 1)
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const obj = {}
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@ -97,42 +112,40 @@ export function getQueryObject(url) {
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}
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/**
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* 计算字符串的字节长度（UTF-8编码）
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* @param {string} str - 字符串
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* @returns {number} 字节长度
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* @param {string} input value
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* @returns {number} output value
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*/
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export function byteLength(str) {
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export function byteLength (str) {
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// returns the byte length of an utf8 string
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let s = str.length
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for (let i = str.length - 1; i >= 0; i--) {
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for (var i = str.length - 1; i >= 0; i--) {
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const code = str.charCodeAt(i)
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if (code > 0x7f && code <= 0x7ff) s++
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else if (code > 0x7ff && code <= 0xffff) s += 2
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if (code >= 0xDC00 && code <= 0xDFFF) i-- // UTF-16编码的高低位
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if (code >= 0xDC00 && code <= 0xDFFF) i--
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}
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return s
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}
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/**
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* 清理数组中的空值
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* @param {Array} actual - 原始数组
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* @returns {Array} 清理后的数组
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* @param {Array} actual
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* @returns {Array}
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*/
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export function cleanArray(actual) {
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export function cleanArray (actual) {
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const newArray = []
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for (let i = 0; i < actual.length; i++) {
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if (actual[i]) {
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newArray.push(actual[i]) // 只保留非空值
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newArray.push(actual[i])
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}
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}
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return newArray
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}
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/**
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* 将对象转换为URL查询参数字符串
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* @param {Object} json - 查询参数对象
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* @returns {string} 编码后的查询参数字符串
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* @param {Object} json
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* @returns {Array}
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*/
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export function param(json) {
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export function param (json) {
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if (!json) return ''
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return cleanArray(
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Object.keys(json).map(key => {
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@ -143,11 +156,10 @@ export function param(json) {
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}
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/**
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* 将查询字符串转换为对象
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* @param {string} url - URL字符串
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* @returns {Object} 查询参数对象
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* @param {string} url
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* @returns {Object}
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*/
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export function param2Obj(url) {
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export function param2Obj (url) {
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const search = url.split('?')[1]
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if (!search) {
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return {}
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@ -164,57 +176,199 @@ export function param2Obj(url) {
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}
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/**
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* 将HTML字符串转为纯文本
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* @param {string} val - HTML字符串
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* @returns {string} 纯文本
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* @param {string} val
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* @returns {string}
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*/
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export function html2Text(val) {
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export function html2Text (val) {
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const div = document.createElement('div')
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div.innerHTML = val
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return div.textContent || div.innerText
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}
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/**
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* 合并两个对象，后者属性覆盖前者
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* @param {Object} target - 目标对象
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* @param {(Object|Array)} source - 源对象或数组
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* @returns {Object} 合并后的对象
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* Merges two objects, giving the last one precedence
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* @param {Object} target
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* @param {(Object|Array)} source
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* @returns {Object}
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*/
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export function objectMerge(target, source) {
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export function objectMerge (target, source) {
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if (typeof target !== 'object') {
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target = {}
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}
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if (Array.isArray(source)) {
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return source.slice() // 数组直接返回副本
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return source.slice()
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}
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Object.keys(source).forEach(property => {
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const sourceProperty = source[property]
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if (typeof sourceProperty === 'object') {
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target[property] = objectMerge(target[property], sourceProperty) // 递归合并对象
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target[property] = objectMerge(target[property], sourceProperty)
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} else {
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target[property] = sourceProperty // 直接赋值
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target[property] = sourceProperty
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}
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})
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return target
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}
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/**
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* 切换元素的类名
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* @param {HTMLElement} element - 元素
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* @param {string} className - 类名
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* @param {HTMLElement} element
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* @param {string} className
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*/
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export function toggleClass(element, className) {
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export function toggleClass (element, className) {
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if (!element || !className) {
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return
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}
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let classString = element.className
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const nameIndex = classString.indexOf(className)
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if (nameIndex === -1) {
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classString += '' + className // 如果类名不存在，则添加
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classString += '' + className
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} else {
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classString =
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classString.substr(0, nameIndex) +
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classString.substr(nameIndex + className.length) // 否则移除
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classString.substr(nameIndex + className.length)
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}
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element.className = classString
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}
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/**
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* @param {string} type
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* @returns {Date}
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*/
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export function getTime (type) {
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if (type === 'start') {
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return new Date().getTime() - 3600 * 1000 * 24 * 90
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} else {
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return new Date(new Date().toDateString())
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}
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}
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/**
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* @param {Function} func
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* @param {number} wait
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* @param {boolean} immediate
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* @return {*}
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*/
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export function debounce (func, wait, immediate) {
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let timeout, args, context, timestamp, result
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const later = function () {
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// 据上一次触发时间间隔
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const last = +new Date() - timestamp
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// 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
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if (last < wait && last > 0) {
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timeout = setTimeout(later, wait - last)
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} else {
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timeout = null
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// 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
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if (!immediate) {
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result = func.apply(context, args)
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if (!timeout) context = args = null
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|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 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 {Array} arr
|
|
|
|
|
* @returns {Array}
|
|
|
|
|
*/
|
|
|
|
|
export function uniqueArr (arr) {
|
|
|
|
|
return Array.from(new Set(arr))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* @returns {string}
|
|
|
|
|
*/
|
|
|
|
|
export function createUniqueString () {
|
|
|
|
|
const timestamp = +new Date() + ''
|
|
|
|
|
const randomNum = parseInt((1 + Math.random()) * 65536) + ''
|
|
|
|
|
return (+(randomNum + timestamp)).toString(32)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Check if an element has a class
|
|
|
|
|
* @param {HTMLElement} elm
|
|
|
|
|
* @param {string} cls
|
|
|
|
|
* @returns {boolean}
|
|
|
|
|
*/
|
|
|
|
|
export function hasClass (ele, cls) {
|
|
|
|
|
return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Add class to element
|
|
|
|
|
* @param {HTMLElement} elm
|
|
|
|
|
* @param {string} cls
|
|
|
|
|
*/
|
|
|
|
|
export function addClass (ele, cls) {
|
|
|
|
|
if (!hasClass(ele, cls)) ele.className += ' ' + cls
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Remove class from element
|
|
|
|
|
* @param {HTMLElement} elm
|
|
|
|
|
* @param {string} cls
|
|
|
|
|
*/
|
|
|
|
|
export function removeClass (ele, cls) {
|
|
|
|
|
if (hasClass(ele, cls)) {
|
|
|
|
|
const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
|
|
|
|
|
ele.className = ele.className.replace(reg, ' ')
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
export function formatSeconds (theTime) {
|
|
|
|
|
let theTime1 = 0
|
|
|
|
|
let theTime2 = 0
|
|
|
|
|
if (theTime > 60) {
|
|
|
|
|
theTime1 = parseInt(theTime / 60)
|
|
|
|
|
theTime = parseInt(theTime % 60)
|
|
|
|
|
if (theTime1 > 60) {
|
|
|
|
|
theTime2 = parseInt(theTime1 / 60)
|
|
|
|
|
theTime1 = parseInt(theTime1 % 60)
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
let result = '' + parseInt(theTime) + '秒'
|
|
|
|
|
if (theTime1 > 0) {
|
|
|
|
|
result = '' + parseInt(theTime1) + '分' + result
|
|
|
|
|
}
|
|
|
|
|
if (theTime2 > 0) {
|
|
|
|
|
result = '' + parseInt(theTime2) + '小时' + result
|
|
|
|
|
}
|
|
|
|
|
return result
|
|
|
|
|
}
|
|
|
|
|
|
wf