java - android更改日期时间格式

Question

我的日期时间格式为 05.12.2014 16:43:43，我正在尝试将其格式更改为此 MM/dd/yyyy。这是我的来源:

String mydate = "05.12.2014 16:43:43";
SimpleDateFormat srcDf = new SimpleDateFormat("dd-MM-yyyy-hh-mm-ss");

try {
    Date date = srcDf.parse(mydate);
    SimpleDateFormat destDf = new SimpleDateFormat("MM/dd/yyyy");
    mydate = destDf.format(date);
} catch (ParseException e) {
    e.printStackTrace();
}

我在第一个 SimpleDateFormat 中有一个错误:

SimpleDateFormat srcDf = new SimpleDateFormat("dd-MM-yyyy-hh-mm-ss");

我该如何解决我的问题？

Answer 1

更改为

SimpleDateFormat srcDf = new SimpleDateFormat(
                            "dd.MM.yyyy HH:mm:ss");

所以这是匹配你的字符串。

符号在这里解释 http://docs.oracle.com/javase/7/docs/api/java/text/SimpleDateFormat.html

Letter Date or Time Component Presentation ExamplesG Era designator Text AD

y Year Year 1996; 96

Y Week year Year 2009; 09

M Month in year Month July; Jul; 07

w Week in year Number 27

W Week in month Number 2

D Day in year Number 189

d Day in month Number 10

F Day of week in month Number 2

E Day name in week Text Tuesday; Tue

u Day number of week (1 = Monday, ..., 7 = Sunday) Number 1

a Am/pm marker Text PM

H Hour in day (0-23) Number 0

k Hour in day (1-24) Number 24

K Hour in am/pm (0-11) Number 0

h Hour in am/pm (1-12) Number 12

m Minute in hour Number 30

s Second in minute Number 55

S Millisecond Number 978

z Time zone General time zone Pacific Standard Time; PST; GMT-08:00

Z Time zone RFC 822 time zone -0800

X Time zone ISO 8601 time zone -08; -0800; -08:00