JavaScript日期时间解析 [英] JavaScript datetime parsing
问题描述
我有一个json响应,其中包含一个hashmap;
I have a json response which contains a hashmap like;
{"map":{"2012-10-10 03:47:00.0":23.400000000000002,"2012-10-10 03:52:00.0":23.3,"2012-10-10 03:57:00.0":23.3,"2012-10-10 04:02:00.0":23.3,"2012-10-10 04:07:00.0":23.200000000000003,"2012-10-10 04:13:00.0":23.1,"2012-10-10 04:18:00.0":23.1,"2012-10-10 04:23:00.0":23.0,"2012-10-10 04:28:00.0":23.0,"2012-10-10 04:33:00.0":23.0,"2012-10-10 04:38:00.0":22.900000000000002,"2012-10-10 04:43:00.0":22.8,"2012-10-10 04:48:00.0":22.8,"2012-10-10 04:53:00.0":22.700000000000003,"2012-10-10 04:58:00.0":22.6,"2012-10-10 05:03:00.0":22.6,"2012-10-10 05:08:00.0":22.5,"2012-10-10 05:13:00.0":22.5,"2012-10-10 05:18:00.0":22.5,"2012-10-10 05:23:00.0":22.400000000000002}}
我想格式化json的datetime部分;
I want to format datetime part of json like;
dd / mm / yyyy HH:mm:ss
dd/mm/yyyy HH:mm:ss
假设我把所有的元素都像这样;
Lets assume I put all pair elements like this;
var myArr = [["2012-10-10 03:47:00.0", 23.400000000000002], ["2012-10-10 03:52:00.0", 23.3], ....];
然后,我尝试解析datetime部分,如下所示,我有 Date {Invalid Date}
Then, I try to parse datetime part like below and I got Date {Invalid Date} on console;
new Date(myArr[0][0]);
如何格式化此类型的日期时间。
How can I format this type of datetime.
推荐答案
尝试以下操作:
new Date(Date.parse(myArr[0][0]));
EXAMPLE
使用 Date 。解析方法将字符串解析为自1970年1月1日00:00:00 UTC以来的毫秒数。采取毫秒数,并再次呼叫日期方法来转换时间成为日期对象。
Use the Date.parse method to parse the string into the number of milliseconds since January 1, 1970, 00:00:00 UTC. Take that number of milliseconds and call the Date method once again to turn that time into a date object.
编辑:
这可能有点小对于这种情况,可能是丑陋的,但Firefox似乎与 -
和 00.0
有问题。
Well this may be a little ugly for this case, but it seems Firefox is having an issue with the -
s and the 00.0
.
var myArr = [["2012-10-10 03:47:00.0", 23.400000000000002], ["2012-10-10 03:52:00.0", 23.3]];
var date = convertDateTime(myArr[0][0]);
console.log(date);
function convertDateTime(dateTime){
dateTime = myArr[0][0].split(" ");
var date = dateTime[0].split("-");
var yyyy = date[0];
var mm = date[1]-1;
var dd = date[2];
var time = dateTime[1].split(":");
var h = time[0];
var m = time[1];
var s = parseInt(time[2]); //get rid of that 00.0;
return new Date(yyyy,mm,dd,h,m,s);
}
EXAMPLE
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