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391 lines
12 KiB
391 lines
12 KiB
/** Constants used for time computations */ |
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import { getDate, getTime, parseInt } from "../2.base"; |
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import { i18nText } from "../utils"; |
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import { StartOfWeek } from "../constant"; |
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import { isKhtml } from "../platform/web"; |
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import { _global } from "../0.foundation"; |
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const SECOND = 1000; |
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const MINUTE = 60 * SECOND; |
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const HOUR = 60 * MINUTE; |
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const DAY = 24 * HOUR; |
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const WEEK = 7 * DAY; |
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const _FD = 1; |
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const _SMN = [ |
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0, |
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1, |
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2, |
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3, |
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4, |
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5, |
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6, |
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7, |
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8, |
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9, |
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10, |
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11 |
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]; |
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const _MD = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; |
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const _OFFSET = [0, -1, -2, -3, -4, -5, -6]; // 实际上无论周几作为一周的第一天，周初周末都是在-6-0间做偏移，用一个数组就可以 |
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export const Date = { |
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SECOND, |
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MINUTE, |
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HOUR, |
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DAY, |
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WEEK, |
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_FD, |
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_SMN, |
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_MD, |
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_OFFSET, |
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}; |
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/** |
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* 获取时区 |
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* @returns {String} |
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*/ |
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export function getTimezone(date) { |
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return date.toString().replace(/^.* (?:\((.*)\)|([A-Z]{1,4})(?:[-+][0-9]{4})?(?: -?\d+)?)$/, "$1$2").replace(/[^A-Z]/g, ""); |
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} |
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/** |
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* Returns the number of days in the current month |
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*/ |
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export function getMonthDays(date, month = date.getMonth()) { |
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const year = date.getFullYear(); |
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if (((0 === (year % 4)) && ((0 !== (year % 100)) || (0 === (year % 400)))) && month === 1) { |
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return 29; |
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} |
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return _MD[month]; |
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} |
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/** |
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* 获取每月的最后一天 |
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* @returns {Date} |
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*/ |
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export function getLastDateOfMont(date) { |
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return getDate(date.getFullYear(), date.getMonth(), getMonthDays(date)); |
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} |
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/** |
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* 获取每月的最后一天 |
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* @returns {Date} |
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*/ |
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export function getLastDateOfMonth(date) { |
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return getDate(date.getFullYear(), date.getMonth(), getMonthDays(date)); |
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} |
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/** |
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* Returns the number of day in the year. |
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* @param date |
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* @returns {number} |
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*/ |
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export function getDayOfYear(date) { |
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const now = getDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0); |
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const then = getDate(date.getFullYear(), 0, 0, 0, 0, 0); |
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const time = now - then; |
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return Math.floor(time / DAY); |
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} |
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/** |
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* Returns the number of the week in year, as defined in ISO 8601. |
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* @param date |
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* @returns {number} |
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*/ |
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export function getWeekNumber(date) { |
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const d = getDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0); |
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const week = d.getDay(); |
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const startOfWeek = StartOfWeek % 7; |
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let middleDay = (startOfWeek + 3) % 7; |
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middleDay = middleDay || 7; |
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// 偏移到周周首之前需要多少天 |
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const offsetWeekStartCount = week < startOfWeek ? (7 + week - startOfWeek) : (week - startOfWeek); |
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const offsetWeekMiddleCount = middleDay < startOfWeek ? (7 + middleDay - startOfWeek) : (middleDay - startOfWeek); |
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d.setDate(d.getDate() - offsetWeekStartCount + offsetWeekMiddleCount); |
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const ms = d.valueOf(); |
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d.setMonth(0); |
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d.setDate(1); |
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return Math.floor((ms - d.valueOf()) / (7 * 864e5)) + 1; |
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} |
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export function getQuarter(date) { |
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return Math.floor(date.getMonth() / 3) + 1; |
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} |
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/** |
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* 离当前时间多少天的时间 |
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* @param date |
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* @param offset |
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* @returns {Date} |
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*/ |
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export function getOffsetDate(date, offset) { |
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return getDate(getTime(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds()) + offset * 864e5); |
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} |
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export function getOffsetQuarter(date, n) { |
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const dt = getDate(getTime(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds())); |
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let day = dt.getDate(); |
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const monthDay = getMonthDays(getDate(dt.getFullYear(), dt.getMonth() + parseInt(n, 10) * 3, 1)); |
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if (day > monthDay) { |
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day = monthDay; |
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} |
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dt.setDate(day); |
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dt.setMonth(dt.getMonth() + parseInt(n, 10) * 3); |
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return dt; |
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} |
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/** |
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* 得到本季度的起始月份 |
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* @param date |
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* @returns {number} |
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*/ |
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export function getQuarterStartMonth(date) { |
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let quarterStartMonth = 0; |
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const nowMonth = date.getMonth(); |
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if (nowMonth < 3) { |
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quarterStartMonth = 0; |
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} |
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if (2 < nowMonth && nowMonth < 6) { |
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quarterStartMonth = 3; |
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} |
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if (5 < nowMonth && nowMonth < 9) { |
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quarterStartMonth = 6; |
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} |
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if (nowMonth > 8) { |
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quarterStartMonth = 9; |
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} |
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return quarterStartMonth; |
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} |
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/** |
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* 获得本季度的起始日期 |
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* @param date |
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* @returns {Date} |
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*/ |
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export function getQuarterStartDate(date) { |
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return getDate(date.getFullYear(), getQuarterStartMonth(date), 1); |
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} |
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/** |
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* 得到本季度的结束日期 |
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* @param date |
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* @returns {Date} |
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*/ |
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export function getQuarterEndDate(date) { |
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const quarterEndMonth = getQuarterStartMonth(date) + 2; |
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return getDate(date.getFullYear(), quarterEndMonth, getMonthDays(date, quarterEndMonth)); |
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} |
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/** |
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* 指定日期n个月之前或之后的日期 |
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* @param date |
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* @param n |
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* @returns {Date} |
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*/ |
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export function getOffsetMonth(date, n) { |
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const dt = getDate(getTime(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds())); |
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let day = dt.getDate(); |
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const monthDay = getMonthDays(getDate(dt.getFullYear(), dt.getMonth() + parseInt(n, 10), 1)); |
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if (day > monthDay) { |
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day = monthDay; |
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} |
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dt.setDate(day); |
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dt.setMonth(dt.getMonth() + parseInt(n, 10)); |
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return dt; |
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} |
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/** |
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* 获得本周的起始日期 |
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* @param date |
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* @returns {Date} |
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*/ |
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export function getWeekStartDate(date) { |
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const w = date.getDay(); |
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const startOfWeek = StartOfWeek % 7; |
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return getOffsetDate(date, _OFFSET[w < startOfWeek ? (7 + w - startOfWeek) : (w - startOfWeek)]); |
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} |
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/** |
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* 得到本周的结束日期 |
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* @param date |
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* @returns {Date} |
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*/ |
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export function getWeekEndDate(date) { |
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const w = date.getDay(); |
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const startOfWeek = StartOfWeek % 7; |
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return getOffsetDate(date, _OFFSET[w < startOfWeek ? (7 + w - startOfWeek) : (w - startOfWeek)] + 6); |
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} |
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export function getFullDayName(index) { |
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return [ |
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i18nText("BI-Basic_Sunday"), |
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i18nText("BI-Basic_Monday"), |
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i18nText("BI-Basic_Tuesday"), |
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i18nText("BI-Basic_Wednesday"), |
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i18nText("BI-Basic_Thursday"), |
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i18nText("BI-Basic_Friday"), |
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i18nText("BI-Basic_Saturday"), |
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i18nText("BI-Basic_Sunday") |
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][index]; |
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} |
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export function getShortDayName(index) { |
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return [ |
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i18nText("BI-Basic_Simple_Sunday"), |
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i18nText("BI-Basic_Simple_Monday"), |
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i18nText("BI-Basic_Simple_Tuesday"), |
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i18nText("BI-Basic_Simple_Wednesday"), |
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i18nText("BI-Basic_Simple_Thursday"), |
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i18nText("BI-Basic_Simple_Friday"), |
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i18nText("BI-Basic_Simple_Saturday"), |
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i18nText("BI-Basic_Simple_Sunday") |
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][index]; |
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} |
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export function getMonthName(index) { |
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return [ |
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i18nText("BI-Basic_January"), |
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i18nText("BI-Basic_February"), |
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i18nText("BI-Basic_March"), |
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i18nText("BI-Basic_April"), |
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i18nText("BI-Basic_May"), |
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i18nText("BI-Basic_June"), |
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i18nText("BI-Basic_July"), |
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i18nText("BI-Basic_August"), |
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i18nText("BI-Basic_September"), |
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i18nText("BI-Basic_October"), |
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i18nText("BI-Basic_November"), |
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i18nText("BI-Basic_December") |
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][index]; |
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} |
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export function getQuarterName(index) { |
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return [ |
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"", |
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i18nText("BI-Quarter_1"), |
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i18nText("BI-Quarter_2"), |
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i18nText("BI-Quarter_3"), |
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i18nText("BI-Quarter_4") |
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][index]; |
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} |
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/** |
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* 格式化打印日期 |
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* @param date |
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* @param str |
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* @returns {*} |
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*/ |
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export function print(date, str) { |
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const m = date.getMonth(); |
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const d = date.getDate(); |
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const y = date.getFullYear(); |
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let yWith4number = `${y}`; |
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while (yWith4number.length < 4) { |
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yWith4number = `0${yWith4number}`; |
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} |
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const wn = getWeekNumber(date); |
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const qr = getQuarter(date); |
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const w = date.getDay(); |
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const s = {}; |
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const hr = date.getHours(); |
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const pm = (hr >= 12); |
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let ir = (pm) ? (hr - 12) : hr; |
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const dy = getDayOfYear(date); |
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if (ir === 0) { |
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ir = 12; |
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} |
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const min = date.getMinutes(); |
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const sec = date.getSeconds(); |
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s["%a"] = getShortDayName(w); // abbreviated weekday name [FIXME: I18N] |
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s["%A"] = getFullDayName(w); // full weekday name |
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s["%b"] = _SMN[m]; // abbreviated month name [FIXME: I18N] |
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s["%B"] = getMonthName(m); // full month name |
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// FIXME: %c : preferred date and time representation for the current locale |
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s["%C"] = 1 + Math.floor(y / 100); // the century number |
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s["%d"] = (d < 10) ? (`0${d}`) : d; // the day of the month (range 01 to 31) |
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s["%e"] = d; // the day of the month (range 1 to 31) |
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// FIXME: %D : american date style: %m/%d/%y |
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// FIXME: %E, %F, %G, %g, %h (man strftime) |
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s["%H"] = (hr < 10) ? (`0${hr}`) : hr; // hour, range 00 to 23 (24h format) |
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s["%I"] = (ir < 10) ? (`0${ir}`) : ir; // hour, range 01 to 12 (12h format) |
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s["%j"] = (dy < 100) ? ((dy < 10) ? (`00${dy}`) : (`0${dy}`)) : dy; // day of the year (range 001 to 366) |
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s["%k"] = `${hr}`; // hour, range 0 to 23 (24h format) |
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s["%l"] = `${ir}`; // hour, range 1 to 12 (12h format) |
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s["%X"] = (m < 9) ? (`0${1 + m}`) : (1 + m); // month, range 01 to 12 |
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s["%x"] = m + 1; // month, range 1 to 12 |
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s["%M"] = (min < 10) ? (`0${min}`) : min; // minute, range 00 to 59 |
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s["%n"] = "\n"; // a newline character |
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s["%p"] = pm ? "PM" : "AM"; |
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s["%P"] = pm ? "pm" : "am"; |
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// FIXME: %r : the time in am/pm notation %I:%M:%S %p |
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// FIXME: %R : the time in 24-hour notation %H:%M |
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s["%s"] = Math.floor(date.getTime() / 1000); |
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s["%S"] = (sec < 10) ? (`0${sec}`) : sec; // seconds, range 00 to 59 |
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s["%t"] = "\t"; // a tab character |
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// FIXME: %T : the time in 24-hour notation (%H:%M:%S) |
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s["%U"] = s["%W"] = s["%V"] = (wn < 10) ? (`0${wn}`) : wn; |
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s["%u"] = w + 1; // the day of the week (range 1 to 7, 1 = MON) |
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s["%w"] = w; // the day of the week (range 0 to 6, 0 = SUN) |
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// FIXME: %x : preferred date representation for the current locale without the time |
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// FIXME: %X : preferred time representation for the current locale without the date |
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s["%y"] = yWith4number.substr(2, 2); // year without the century (range 00 to 99) |
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s["%Y"] = yWith4number; // year with the century |
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s["%%"] = "%"; // a literal '%' character |
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s["%q"] = `0${qr}`; |
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s["%Q"] = qr; |
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let re = /%./g; |
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const isNewKhtml = isKhtml || function () { |
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if (!_global.navigator) { |
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return false; |
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} |
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return /Konqueror|Safari|KHTML/i.test(navigator.userAgent); |
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}; |
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// 包含年周的格式化，ISO8601标准周的计数会影响年 |
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if ((str.indexOf("%Y") !== -1 || str.indexOf("%y") !== -1) && (str.indexOf("%W") !== -1 || str.indexOf("%U") !== -1 || str.indexOf("%V") !== -1)) { |
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switch (wn) { |
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// 如果周数是1，但是当前却在12月，表示此周数为下一年的 |
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case 1: |
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if (m === 11) { |
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s["%y"] = parseInt(s["%y"]) + 1; |
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s["%Y"] = parseInt(s["%Y"]) + 1; |
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} |
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break; |
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// 如果周数是53，但是当前却在1月，表示此周数为上一年的 |
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case 53: |
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if (m === 0) { |
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s["%y"] = parseInt(s["%y"]) - 1; |
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s["%Y"] = parseInt(s["%Y"]) - 1; |
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} |
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break; |
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default: |
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break; |
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} |
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} |
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if (!isNewKhtml()) { |
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return str.replace(re, par => s[par] || par); |
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} |
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const a = str.match(re); |
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for (let i = 0; i < a.length; i++) { |
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const tmp = s[a[i]]; |
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if (tmp) { |
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re = new RegExp(a[i], "g"); |
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str = str.replace(re, tmp); |
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} |
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} |
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return str; |
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}
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