android日期時(shí)間解析類(lèi) ,該類(lèi)位于android.text.format.DateFormat這個(gè)package中,該類(lèi)提供了Java中的三種時(shí)間對(duì)象,南京北大青鳥(niǎo)張府園校區(qū)的老師告訴我們下面三種方法為靜態(tài)可以直接調(diào)用,如下:
final static CharSequence format(CharSequence inFormat, Date inDate) //傳入Date對(duì)象
Given a format string and a Date object, returns a CharSequence containing the requested date.
final static CharSequence format(CharSequence inFormat, Calendar inDate) //Calendar對(duì)象
Given a format string and a Calendar object, returns a CharSequence containing the requested date.
final static CharSequence format(CharSequence inFormat, long inTimeInMillis) //long對(duì)象
Given a format string and a time in milliseconds since Jan 1, 1970 GMT, returns a CharSequence containing the requested date.
我們可能看到了第一個(gè)參數(shù)均為inFormat這是一個(gè)CharSequence接口的String類(lèi)型,它提供了靈活的時(shí)間格式解析字符串描述,南京北大青鳥(niǎo)提示大家注意大小寫(xiě)要區(qū)分,如
April 6, 1970 at 3:23am 例子,那么inFormat參數(shù)的寫(xiě)法和終執(zhí)行的結(jié)果如下對(duì)照,下面就以Android123的CWJ生日為例子如下
"MM/dd/yy h:mmaa" -> "11/03/87 11:23am"
"MMM dd, yyyy h:mmaa" -> "Nov 3, 1987 11:23am"
"MMMM dd, yyyy h:mmaa" -> "November 3, 1987 11:23am"
"E, MMMM dd, yyyy h:mmaa" -> "Tues, November 3, 1987 11:23am"
"EEEE, MMMM dd, yyyy h:mmaa" -> "Tuesday, Nov 3, 1987 11:23am"
對(duì)于判斷一個(gè)時(shí)間是否為24小時(shí)制式可以通過(guò)android.text.format.DateFormat類(lèi)的static boolean is24HourFormat(Context context)方法來(lái)判斷。