在Java中将带有'+'的时间戳解析为Date或Instant [英] Parsing timestamp with '+' into Date or Instant in Java

问题描述

我有格式为2020-05-12 12:00:00+00的时间戳.如何解析为Java.util.Date和Java.time.Instant. 看似基本的问题，但我怀疑这是我尚未在

I have timestamp of the format 2020-05-12 12:00:00+00 . How can I parse into Java.util.Date and Java.time.Instant. Seemingly basic question, but I suspect it is the source of the problem that I am yet to solve in thread

推荐答案

Java 8引入了DateTimeFormatter.这是 DateTimeFormatter文档.

Java 8 introduced DateTimeFormatter. Here is the link to the DateTimeFormatter Documentation.

例如:

DateTimeFormatter formatter = DateTimeFormatter.ofPattern("uuuu-MM-dd HH:mm:ssx");
String tsFromDb = "2020-05-12 12:00:00+00";
Instant inst = formatter.parse(tsFromDb, Instant::from);
System.out.println(inst);

输出:

2020-05-12T12:00:00Z

2020-05-12T12:00:00Z

如果您需要java.util.Date:

Date oldfashionedDate = Date.from(inst);
System.out.println(oldfashionedDate);

美国/蒂华纳时区的输出:

Output in America/Tijuana time zone:

2020年5月12日星期二05:00:00 PDT

Tue May 12 05:00:00 PDT 2020

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