是否有波斯(沙姆西或贾拉利)日历Android的任何库或算法? [英] Is there any library or algorithm for Persian (Shamsi or Jalali) calendar in Android?
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问题描述
我要公历(西)日期转换为波斯(沙姆西)日期;反之,所有版本的Android系统。
I want to convert Gregorian (western) date to Persian (Shamsi) date and vice versa for all versions of Android.
有没有完整的,可靠的图书馆或算法?
Is there any complete and reliable library or algorithm?
推荐答案
我使用这种算法多年,这是非常准确的。
I am using this algorithm for years and it is very accurate.
使用它,并尽情享受吧! :)
Use it and Enjoy! :)
public class Utilities {
private class SolarCalendar {
public String strWeekDay = "";
public String strMonth = "";
int date;
int month;
int year;
public SolarCalendar()
{
Date MiladiDate = new Date();
calcSolarCalendar(MiladiDate);
}
public SolarCalendar(Date MiladiDate)
{
calcSolarCalendar(MiladiDate);
}
private void calcSolarCalendar(Date MiladiDate) {
int ld;
int miladiYear = MiladiDate.getYear() + 1900;
int miladiMonth = MiladiDate.getMonth() + 1;
int miladiDate = MiladiDate.getDate();
int WeekDay = MiladiDate.getDay();
int[] buf1 = new int[12];
int[] buf2 = new int[12];
buf1[0] = 0;
buf1[1] = 31;
buf1[2] = 59;
buf1[3] = 90;
buf1[4] = 120;
buf1[5] = 151;
buf1[6] = 181;
buf1[7] = 212;
buf1[8] = 243;
buf1[9] = 273;
buf1[10] = 304;
buf1[11] = 334;
buf2[0] = 0;
buf2[1] = 31;
buf2[2] = 60;
buf2[3] = 91;
buf2[4] = 121;
buf2[5] = 152;
buf2[6] = 182;
buf2[7] = 213;
buf2[8] = 244;
buf2[9] = 274;
buf2[10] = 305;
buf2[11] = 335;
if ((miladiYear % 4) != 0) {
date = buf1[miladiMonth - 1] + miladiDate;
if (date > 79) {
date = date - 79;
if (date <= 186) {
switch (date % 31) {
case 0:
month = date / 31;
date = 31;
break;
default:
month = (date / 31) + 1;
date = (date % 31);
break;
}
year = miladiYear - 621;
} else {
date = date - 186;
switch (date % 30) {
case 0:
month = (date / 30) + 6;
date = 30;
break;
default:
month = (date / 30) + 7;
date = (date % 30);
break;
}
year = miladiYear - 621;
}
} else {
if ((miladiYear > 1996) && (miladiYear % 4) == 1) {
ld = 11;
} else {
ld = 10;
}
date = date + ld;
switch (date % 30) {
case 0:
month = (date / 30) + 9;
date = 30;
break;
default:
month = (date / 30) + 10;
date = (date % 30);
break;
}
year = miladiYear - 622;
}
} else {
date = buf2[miladiMonth - 1] + miladiDate;
if (miladiYear >= 1996) {
ld = 79;
} else {
ld = 80;
}
if (date > ld) {
date = date - ld;
if (date <= 186) {
switch (date % 31) {
case 0:
month = (date / 31);
date = 31;
break;
default:
month = (date / 31) + 1;
date = (date % 31);
break;
}
year = miladiYear - 621;
} else {
date = date - 186;
switch (date % 30) {
case 0:
month = (date / 30) + 6;
date = 30;
break;
default:
month = (date / 30) + 7;
date = (date % 30);
break;
}
year = miladiYear - 621;
}
}
else {
date = date + 10;
switch (date % 30) {
case 0:
month = (date / 30) + 9;
date = 30;
break;
default:
month = (date / 30) + 10;
date = (date % 30);
break;
}
year = miladiYear - 622;
}
}
switch (month) {
case 1:
strMonth = "فروردين";
break;
case 2:
strMonth = "ارديبهشت";
break;
case 3:
strMonth = "خرداد";
break;
case 4:
strMonth = "تير";
break;
case 5:
strMonth = "مرداد";
break;
case 6:
strMonth = "شهريور";
break;
case 7:
strMonth = "مهر";
break;
case 8:
strMonth = "آبان";
break;
case 9:
strMonth = "آذر";
break;
case 10:
strMonth = "دي";
break;
case 11:
strMonth = "بهمن";
break;
case 12:
strMonth = "اسفند";
break;
}
switch (WeekDay) {
case 0:
strWeekDay = "يکشنبه";
break;
case 1:
strWeekDay = "دوشنبه";
break;
case 2:
strWeekDay = "سه شنبه";
break;
case 3:
strWeekDay = "چهارشنبه";
break;
case 4:
strWeekDay = "پنج شنبه";
break;
case 5:
strWeekDay = "جمعه";
break;
case 6:
strWeekDay = "شنبه";
break;
}
}
}
public static String getCurrentShamsidate() {
Locale loc = new Locale("en_US");
Utilities util = new Utilities();
SolarCalendar sc = util.new SolarCalendar();
return String.valueOf(sc.year) + "/" + String.format(loc, "%02d",
sc.month) + "/" + String.format(loc, "%02d", sc.date);
}
}
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