fengcheng-time
Version:
209 lines (190 loc) • 8.87 kB
JavaScript
/*
时间转换
cheng.feng 20150511
国际化
var t1 = TIME.locale({
lang : "zh-cn",
format : {
LT : 'HH:mm',
LTS : 'HH:mm:ss',
L : 'YYYY-MM-DD',
LL : 'YYYY-MM-DD HH:mm',
},
parseDateString : function(dateString){
// 2018-05-11 10:01:02
// 2018-05-19
var arr = dateString.split(" ");
var match = null;
var result = {};
if(arr.length > 2) throw "不支持的时间类型";
if(arr.length === 2){
// 2018-05-19 10:01:02
match = dateString.match(/(\d{4})?[^\d]*(\d*)[^\d]*(\d*)\s*(\d*):?(\d*):?(\d*)/);
if(match[1]) result.year = Number(match[1]);
if(match[2]) result.month = Number(match[2]);
if(match[3]) result.day = Number(match[3]);
if(match[4]) result.hour = Number(match[4]);
if(match[5]) result.minute = Number(match[5]);
if(match[6]) result.second = Number(match[6]);
} else if(arr[0].search(":") === -1){
// 2018-05-19
match = dateString.match(/(\d*)[^\d]*(\d*)[^\d]*(\d*)/);
if(match[1]) result.year = Number(match[1]);
if(match[2]) result.month = Number(match[2]);
if(match[3]) result.day = Number(match[3]);
} else{
// 10:05
match = dateString.match(/(\d*):?(\d*):?(\d*)/);
if(match[1]) result.hour = Number(match[1]);
if(match[2]) result.minute = Number(match[2]);
if(match[3]) result.second = Number(match[3]);
}
return result;
}
});
var t2 = TIME.locale({
lang : "en",
months : ["Jan","Feb","Mar","Apr","May","June","July","Aug","Sept","Oct","Nov","Dec"],
format : {
LT : 'HH:mm',
LTS : 'HH:mm:ss',
L : '%M D, YYYY',
LL : '%M D, YYYY HH:mm',
},
parseFormatString : {
"%M" : function(){
return this.config.months[this.month - 1];
}
},
parseDateString : function(dateString){
// May 19, 2018 18:01
// May 19, 2018
var match = dateString.match(/([a-zA-Z]+)[^\d]+(\d+)[^\d]+(\d+)[^\d]*(\d*):*(\d*):*(\d*)/);
var result = {};
if(match[1]) result.month = this.config.months.indexOf(match[1]) + 1;
if(match[2]) result.day = Number(match[2]);
if(match[3]) result.year = Number(match[3]);
if(match[4]) result.hour = Number(match[4]);
if(match[5]) result.minute = Number(match[5]);
if(match[6]) result.second = Number(match[6]);
return result;
}
});
var timestamp = t1("2018-05-10 10:13").getTimestamp(); // 转换为本地时区时间戳
console.log(t1(timestamp).format("LL") === "2018-05-10 10:13");
var timestamp2 = t1("2018-05-10 10:13").getTimestamp(0); // 转换为GMT+0时区时间戳
console.log(t1(timestamp2, 0).format("LL") === "2018-05-10 10:13");
var timestamp3 = t1(timestamp2, 0).getTimestamp(8); // GMT+0时区时间戳转换为GMT+8时区时间戳
console.log(t1(timestamp3, 8).format("LL") === "2018-05-10 10:13");
var timestamp4 = t2("May 10, 2018 10:12").getTimestamp(); // 转换为本地时区时间戳
console.log(t2(timestamp4).format("LL") === "May 10, 2018 10:12");
console.log(t2(timestamp4, 0).format("LL") === "May 10, 2018 18:12"); // GMT+0时区时间戳转换成本地时间
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.TIME = factory());
}(this, function () {
'use strict';
var TIME = {
locale : function(config){
return createInstance(config);
}
};
var Time = function(time, GMT, config){
this.config = config;
if(typeof time === "number" || time === undefined || time === null){
this._transformTimeStamp(time, GMT);
}
else if(typeof time === "string"){
this._transformDateString(time, GMT);
} else {
throw "unknow " + time;
}
};
Time.prototype = {
// timestamp 时间戳
// GMT 指定timestamp时间戳是哪个时区，默认本地时区
_transformTimeStamp : function(timestamp, GMT){
var GTMDate = timestamp ? new Date(timestamp) : new Date();
var GMTOffset = GTMDate.getTimezoneOffset()/60;
if(typeof GMT !== "number") GMT = -GMTOffset;
this.GMT = -GMTOffset;
this.timestamp = GTMDate.getTime() - (GMTOffset + GMT) * 60*60*1000; // 得到本地时间
this._transformDate(this.timestamp);
return this;
},
_transformDateString : function(dateString, GMT){
dateString = dateString.trim();
var localeDate = new Date();
var GMTOffset = localeDate.getTimezoneOffset()/60;
if(typeof GMT !== "number") GMT = -GMTOffset;
var timestamp = localeDate.getTime() - (GMTOffset + GMT) * 60*60*1000;
var GMTDate = new Date(timestamp);
var parseDate = this.config.parseDateString.call(this, dateString);
if(!parseDate.year) parseDate.year = GMTDate.getFullYear();
if(!parseDate.month) parseDate.month = GMTDate.getMinutes() + 1;
if(!parseDate.day) parseDate.day = GMTDate.getDate();
if(!parseDate.hour) parseDate.hour = 0;
if(!parseDate.minute) parseDate.minute = 0;
if(!parseDate.second) parseDate.second = 0;
this.timestamp = new Date(parseDate.year, parseDate.month-1, parseDate.day, parseDate.hour, parseDate.minute, parseDate.second).getTime() - (GMTOffset + GMT) * 60*60*1000; // 得到本地时间
this.GMT = -GMTOffset;
this._transformDate(this.timestamp);
this.dateString = dateString;
return this;
},
_transformDate : function(timestamp){
this.date = new Date(timestamp);
this.year = this.date.getFullYear();
this.month = this.date.getMonth() + 1;
this.day = this.date.getDate();
this.hour = this.date.getHours();
this.minute = this.date.getMinutes();
this.second = this.date.getSeconds();
},
format : function(flag){
if(!flag) flag = "L";
if(this.config.format[flag]){
return this._parseFormatString(this.config.format[flag]);
}
},
getTimestamp : function(GMT){
if(typeof GMT !== "number") GMT = this.GMT;
var GMTOffset = this.GMT - GMT;
return this.timestamp - GMTOffset*60*60*1000;
},
_parseFormatString : function(format){
var that = this;
var parseFormatString = this.config.parseFormatString;
var reg = "YYYY|MM|M|DD|D|HH|mm|ss";
if(parseFormatString){
for(var key in parseFormatString) reg = key + "|" + reg;
}
return format.replace(new RegExp(reg, "g"), function(part){
if(parseFormatString && parseFormatString[part]){
return parseFormatString[part].call(that);
}
switch(part){
case "YYYY" : return that.year;
case "MM" : return that.month < 10 ? "0" + that.month : that.month;
case "M" : return that.month;
case "DD" : return that.day < 10 ? "0" + that.day : that.day;
case "D" : return that.day;
case "HH" : return that.hour < 10 ? "0" + that.hour : that.hour;
case "mm" : return that.minute < 10 ? "0" + that.minute : that.minute;
case "ss" : return that.second < 10 ? "0" + that.second : that.second;
}
});
},
constructor : Time,
};
var createInstance = function(config){
return function(timestamp, GMT){
if(timestamp instanceof Time) return timestamp;
var instance = new Time(timestamp, GMT, config);
return instance;
};
};
return TIME;
}))