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1.public class Test { 2.public void dateDiff(String startTime, String endTime, String format) { 3.//按照傳入的格式生成一個(gè)simpledateformate對(duì)象 4.SimpleDateFormat sd = new SimpleDateFormat(format); 5.long nd = 1000*24*60*60;//一天的毫秒數(shù) 6.long nh = 1000*60*60;//一小時(shí)的毫秒數(shù) 7.long nm = 1000*60;//一分鐘的毫秒數(shù) 8.long ns = 1000;//一秒鐘的毫秒數(shù) 9.long diff; 10.try { 11.//獲得兩個(gè)時(shí)間的毫秒時(shí)間差異 12.diff = sd.parse(endTime).getTime() - sd.parse(startTime).getTime(); 13.long day = diff/nd;//計(jì)算差多少天 14.long hour = diff%nd/nh;//計(jì)算差多少小時(shí) 15.long min = diff%nd%nh/nm;//計(jì)算差多少分鐘 16.long sec = diff%nd%nh%nm/ns;//計(jì)算差多少秒 17.//輸出結(jié)果 18.System.out.println("時(shí)間相差："+day+"天"+hour+"小時(shí)"+min+"分鐘"+sec+"秒。"); 19.} catch (ParseException e) { 20.e.printStackTrace(); 21.} 22.} 23. 24. 25.public static void main(String[] args) { 26.new Test().dateDiff(new SimpleDateFormat("yyyy-MM-dd").format(new Date()), "2010-8-23", "yyyy-MM-dd"); 27.} 28.} |
