「Flutter/日時」の版間の差分
提供: 初心者エンジニアの簡易メモ
(→unixtime) |
(→x日前) |
||
| (同じ利用者による、間の2版が非表示) | |||
| 行2: | 行2: | ||
int unixtime = DateTime.now().toUtc().millisecondsSinceEpoch; | int unixtime = DateTime.now().toUtc().millisecondsSinceEpoch; | ||
print("unixtime=$unixtime"); // unixtime=1557085819211 | print("unixtime=$unixtime"); // unixtime=1557085819211 | ||
| + | |||
| + | DateTime dd = new DateTime.fromMillisecondsSinceEpoch(unixtime); | ||
| + | print("date=$dd"); // date=2019-05-06 04:56:30.237 | ||
| + | print("date:${dd.toString().substring(0,16)}"); // date=2019-05-06 04:56 | ||
==x日前== | ==x日前== | ||
https://stackoverflow.com/questions/50632217/dart-flutter-converting-timestamp | https://stackoverflow.com/questions/50632217/dart-flutter-converting-timestamp | ||
| + | |||
| + | ==日付フォーマット変更== | ||
| + | https://quickstartflutterdart.blogspot.com/2018/10/how-to-convert-string-to-date-and-date.html | ||
2019年5月6日 (月) 05:24時点における最新版
unixtime
int unixtime = DateTime.now().toUtc().millisecondsSinceEpoch;
print("unixtime=$unixtime"); // unixtime=1557085819211
DateTime dd = new DateTime.fromMillisecondsSinceEpoch(unixtime);
print("date=$dd"); // date=2019-05-06 04:56:30.237
print("date:${dd.toString().substring(0,16)}"); // date=2019-05-06 04:56
x日前
https://stackoverflow.com/questions/50632217/dart-flutter-converting-timestamp
日付フォーマット変更
https://quickstartflutterdart.blogspot.com/2018/10/how-to-convert-string-to-date-and-date.html
