往年: yyyy年M月d日 HH:mm 例 2018年6月9日 6:52 public static String getTimeString(Long timestamp) {

String result = "";

int[] weekNames = {星期日, 星期一, 星期日二, 星期日三, 星期四, 星期五, 星期六};

String hourTimeFormat = "HH:mm";

String monthTimeFormat = "M月d日 HH:mm";

String yearTimeFormat = "yyyy年M月d日 HH:mm";

try {

Calendar todayCalendar = Calendar.getInstance();

Calendar calendar = Calendar.getInstance();

calendar.setTimeInMillis(timestamp);

if (todayCalendar.get(Calendar.YEAR) == calendar.get(Calendar.YEAR)) {//当年

if (todayCalendar.get(Calendar.MONTH) == calendar.get(Calendar.MONTH)) {//当月

int temp = todayCalendar.get(Calendar.DAY_OF_MONTH) - calendar.get(Calendar.DAY_OF_MONTH);

switch (temp) {

case 0://今天

result = getTime(timestamp, hourTimeFormat);

break;

case 1://昨天

result = "昨天 " + getTime(timestamp, hourTimeFormat);

break;

case 2:

case 3:

case 4:

case 5:

case 6:

int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK);

result = weekNames[dayOfWeek - 1] + " " + getTime(timestamp, hourTimeFormat);

break;

default:

result = getTime(timestamp, monthTimeFormat);

break;

}

} else {

result = getTime(timestamp, monthTimeFormat);

}

} else {

result = getTime(timestamp, yearTimeFormat);

}

return result;

} catch (Exception e) {

Log.e("getTimeString", e.getMessage());

return "";

}

}

public static String getTime(long time, String pattern) {

Date date = new Date(time);

return dateFormat(date, pattern);

}

public static String dateFormat(Date date, String pattern) {

SimpleDateFormat format = new SimpleDateFormat(pattern);

return format.format(date);

}