如何解决如何使用偏移量将YYYYMMDDHHMMSS转换为UTC
我在具有localTimeStamp和UTC偏移量的对象中获取日期,如下所示。
obj = {
"localTimeStamp": 20200908232201 //YYYYMMDDHHMMSS
"utcTimeOffset" : "+0630"
}
如何将其转换为
本地日期时间-格式DD-MM-YYYY HH:MM:SS
UTC日期时间-格式DD-MM-YYYY HH:MM:SS
我已经尝试过以下解决方案,但是如何在UTC中进行转换。
"20200908232201".replace(/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/,'$2-$3-$1 $4:$5:$6');
解决方法
您可以尝试使用Luxon库,它实际上是moment.js的继承者,并具有许多强大的日期处理功能。
特别是,我们可以使用DateTime.fromFormat函数来解析提供的日期。
const DateTime = luxon.DateTime;
const obj = {
"localTimeStamp": 20200908232201,//YYYYMMDDHHMMSS
"utcTimeOffset" : "+0630"
}
const dt = DateTime.fromFormat(obj.localTimeStamp + obj.utcTimeOffset,"yyyyMMddHHmmssZZZ",{ setZone: true } );
console.log("Local time:",dt.toISO())
console.log("UTC Time:",dt.toUTC())
<script src="https://cdnjs.cloudflare.com/ajax/libs/luxon/1.25.0/luxon.min.js" integrity="sha512-OyrI249ZRX2hY/1CAD+edQR90flhuXqYqjNYFJAiflsKsMxpUYg5kbDDAVA8Vp0HMlPG/aAl1tFASi1h4eRoQw==" crossorigin="anonymous"></script>
,
如果您不想使用任何库,则可以尝试以下方法:
您已经具有所需格式的日期-(DD-MM-YYY HH:MM:SS)
。
let utcTimeOffset = '+0630';
var d = new Date(
'20200908232201'.replace(
/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/,'$2-$3-$1 $4:$5:$6'
) + utcTimeOffset
);
然后使用上述日期的UTC
将日期转换为UTC:
var utcDate = new Date(
Date.UTC(
d.getUTCFullYear(),d.getUTCMonth(),d.getUTCDate(),d.getUTCHours(),d.getUTCMinutes(),d.getUTCSeconds()
)
);
最后使用以下格式从--p处以必需的格式打印日期
var MyDateString =
('0' + utcDate.getUTCDate()).slice(-2) +
'-' +
('0' + (utcDate.getUTCMonth() + 1)).slice(-2) +
'-' +
utcDate.getUTCFullYear() +
' ' +
('0' + utcDate.getUTCHours()).slice(-2) +
'-' +
('0' + utcDate.getUTCMinutes()).slice(-2) +
'-' +
('0' + utcDate.getUTCSeconds()).slice(-2);
console.log(MyDateString); //08-09-2020 16-52-01
let utcTimeOffset = '+0630';
var d = new Date(
'20200908232201'.replace(
/^(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)$/,'$2-$3-$1 $4:$5:$6'
) + utcTimeOffset
);
var utcDate = new Date(
Date.UTC(
d.getUTCFullYear(),d.getUTCSeconds()
)
);
var MyDateString =
('0' + utcDate.getUTCDate()).slice(-2) +
'-' +
('0' + (utcDate.getUTCMonth() + 1)).slice(-2) +
'-' +
utcDate.getUTCFullYear() +
' ' +
('0' + utcDate.getUTCHours()).slice(-2) +
'-' +
('0' + utcDate.getUTCMinutes()).slice(-2) +
'-' +
('0' + utcDate.getUTCSeconds()).slice(-2);
console.log(MyDateString);
,
const obj = {
localTimeStamp: 20200908232201,utcTimeOffset : "+0630"
};
const date = new Date((new Date(obj.localTimeStamp)).toUTCString() + obj.utcTimeOffset);
console.log(date.toUTCString());
console.log(date.toLocaleString());
,
您可以切片localTimeStamp(我从克里斯托夫的答案Christoph中得到了这个不错的主意)
const obj = {
"localTimeStamp": "20200908232201","utcTimeOffset": "+0630"
};
let localTimeStamp = obj.localTimeStamp;
let utcTimeOffset = obj.utcTimeOffset;
let formattedDate = new Date(localTimeStamp.slice(0,4),localTimeStamp.slice(4,6) - 1,localTimeStamp.slice(6,8),localTimeStamp.slice(8,10),localTimeStamp.slice(10,12),localTimeStamp.slice(12,14));
let formattedDateToLocal = new Date(formattedDate + utcTimeOffset);
let formattedDateToUTC = new Date(formattedDate.toUTCString() + utcTimeOffset);
console.log(`UTC : ${formattedDateToUTC.getDate()}-${formattedDateToUTC.getMonth()}-${formattedDateToUTC.getFullYear()} ${formattedDateToUTC.getHours()}:${formattedDateToUTC.getMinutes()}:${formattedDateToUTC.getSeconds()}`)
console.log(`Local : ${formattedDateToLocal.getDate()}-${formattedDateToLocal.getMonth()}-${formattedDateToLocal.getFullYear()} ${formattedDateToLocal.getHours()}:${formattedDateToLocal.getMinutes()}:${formattedDateToLocal.getSeconds()}`)
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。