Android中根据出生年月计算生日剩余天数
16lz
2022-07-24
计算距离下一个生日还有多少天：
public void getBirthday() { String birthday = "2013-03-18"; SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); Calendar cal = Calendar.getInstance(); int yearNow = cal.get(Calendar.YEAR);// 获得当前年份 try { Log.i("Birthday_time", formatter.parse(birthday) + ""); cal.setTime(formatter.parse(birthday)); } catch (Exception e) { e.printStackTrace(); } int birthyear = cal.get(Calendar.YEAR); Log.i("Birthday_year", birthyear + ""); while (birthyear < yearNow) { cal.set(Calendar.YEAR, cal.get(Calendar.YEAR) + 1); birthyear = cal.get(Calendar.YEAR); Log.i("Birthday_year++", birthyear + ""); } Date ed = new Date(); Log.i("Date_ed", ed + ""); Date sd = cal.getTime(); Log.i("Date_sd", ed + ""); long days = 0; if ((ed.getTime() - sd.getTime()) / (3600 * 24 * 1000) < 0) {//> days = -((ed.getTime() - sd.getTime()) / (3600 * 24 * 1000)) + 1; System.out.println("距离你生日还有" + days + "天"); } else { cal.set(Calendar.YEAR, cal.get(Calendar.YEAR) + 1); sd = cal.getTime(); days = -((ed.getTime() - sd.getTime()) / (3600 * 24 * 1000)) + 1; System.out.println("距离你生日还有" + days + "天"); } }更多相关文章
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