90 lines
2.9 KiB
Java
90 lines
2.9 KiB
Java
var setupDefaults = require('../setupDefaults')
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var staticParseInt = require('../static/staticParseInt')
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var helperGetUTCDateTime = require('./helperGetUTCDateTime')
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var helperGetDateTime = require('./helperGetDateTime')
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var arrayEach = require('../array/arrayEach')
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var isString = require('../base/isString')
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var isDate = require('../base/isDate')
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var dateFormatRules = [
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{ rules: [['yyyy', 4]] },
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{ rules: [['MM', 2], ['M', 1]], offset: -1 },
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{ rules: [['dd', 2], ['d', 1]] },
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{ rules: [['HH', 2], ['H', 1]] },
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{ rules: [['mm', 2], ['m', 1]] },
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{ rules: [['ss', 2], ['s', 1]] },
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{ rules: [['SSS', 3], ['S', 1]] },
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{ rules: [['ZZ', 5], ['Z', 6], ['Z', 5], ['Z', 1]] }
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]
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function parseStringDate (str, format) {
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var arr, sIndex, fIndex, fLen, fItem, rules, rIndex, rLen, tempMatch
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var dates = [0, 0, 1, 0, 0, 0, 0]
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for (fIndex = 0, fLen = dateFormatRules.length; fIndex < fLen; fIndex++) {
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fItem = dateFormatRules[fIndex]
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for (rIndex = 0, rules = fItem.rules, rLen = rules.length; rIndex < rLen; rIndex++) {
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arr = rules[rIndex]
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sIndex = format.indexOf(arr[0])
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if (sIndex > -1) {
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tempMatch = str.substring(sIndex, sIndex + arr[1])
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if (tempMatch && tempMatch.length === arr[1]) {
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if (fItem.offset) {
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tempMatch = staticParseInt(tempMatch) + fItem.offset
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}
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dates[fIndex] = tempMatch
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break
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}
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}
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if (rIndex === rLen - 1) {
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return dates
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}
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}
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}
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return dates
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}
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/**
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* 字符串转为日期
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*
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* @param {String/Number/Date} str 日期或数字
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* @param {String} format 解析日期格式(yyyy年份、MM月份、dd天、hh(12)HH(24)小时、mm分钟、ss秒、SSS毫秒、Z时区)
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* @return {String}
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*/
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function toStringDate (str, format) {
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var rest, isDateType
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if (str) {
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isDateType = isDate(str)
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if (isDateType || (!format && /^[0-9]{11,15}$/.test(str))) {
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rest = new Date(isDateType ? helperGetDateTime(str) : staticParseInt(str))
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} else if (isString(str)) {
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var tempMatch
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var dates = parseStringDate(str, format || setupDefaults.formatDate)
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var zStr = dates[7]
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if (dates[0]) {
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// 解析时区
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if (zStr) {
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// 如果为UTC 时间
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if (zStr[0] === 'z' || zStr[0] === 'Z') {
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rest = new Date(helperGetUTCDateTime(dates))
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} else {
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// 如果指定时区，时区转换
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tempMatch = zStr.match(/([-+]{1})(\d{2}):?(\d{2})/)
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if (tempMatch) {
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rest = new Date(helperGetUTCDateTime(dates) - (tempMatch[1] === '-' ? -1 : 1) * staticParseInt(tempMatch[2]) * 3600000 + staticParseInt(tempMatch[3]) * 60000)
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}
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}
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} else {
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rest = new Date(dates[0], dates[1], dates[2], dates[3], dates[4], dates[5], dates[6])
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}
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}
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}
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}
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return !rest || isNaN(helperGetDateTime(rest)) ? 'Invalid Date' : rest
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}
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module.exports = toStringDate
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