[英]Sorting date (Y-M-D h-m-s) not sorting correctly
I have a list of objects that I want to sort by date of creation. 我有一个要按创建日期排序的对象列表。 Here is my relevant code:
这是我的相关代码:
dateToLocalString(date) {
date = new Date(date);
const year = date.getFullYear();
const month = date.getMonth() < 10 ? "0" + date.getMonth() : date.getMonth();
const day = date.getDate() < 10 ? "0" + date.getDate() : date.getDate();
const hours = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();
const minutes = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();
const seconds = date.getSeconds() < 10 ? "0" + date.getSeconds() :
date.getSeconds();
return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
}
const AscOrder = function x(order) {
return function(a, b) {
if(order === 'status') {
if(a[order].split(' ')[1] < b[order].split(' ')[1]) return -1;
if(a[order].split(' ')[1] > b[order].split(' ')[1]) return 1;
return 0;
}
if(a[order] < b[order]) return -1;
if(a[order] > b[order]) return 1;
return 0;
};
};
switch (this.state.sortDevSpacesBy) {
case 'CREATED' : devSpaceList.sort(AscOrder('createdAt'));
break;
case 'CREATED_DESC' : devSpaceList.sort(DescOrder('createdAt'));
break;
}
But it doesn not sort my dates correctly, YMD is sorted correctly, but then there seems to be a problem with the time: 但是它不能正确排序我的日期,YMD也没有正确排序,但是时间似乎有问题:
Descending order: - 2018-04-24 12:53:50 - 2018-05-15 15:21:15 - 2018-05-15 15:03:04 - 2018-05-15 11:55:07 降序:-2018-04-24 12:53:50-2018-05-15 15:21:15-2018-05-15 15:03:04-2018-05-15 11:55:07
For reasons like this, I usually convert all dates to time since epoch before sorting; 由于这样的原因,我通常将所有日期转换为自纪元以来的时间; eg:
例如:
let d = new Date()
d.getTime() //-> 1529070578437
This effectively removes lots of tricky edge cases (such as leap years) and other complex conversion routines. 这有效地消除了许多棘手的情况(例如leap年)和其他复杂的转换例程。
I work with the dates as much as possible in this format, and convert only when necessary; 我会尽可能以这种格式处理日期,并仅在必要时进行转换; eg, displaying to User in their locale format.
例如,以其区域设置格式向用户显示。
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