[問題] 兩日期相減
static Calendar c=Calendar.getInstance(Locale.TAIWAN);
static Calendar d=Calendar.getInstance(Locale.TAIWAN);
c.set(1992,9,30);
d.set(1992,10,1);
long diff = (d.getTimeInMillis()-c.getTimeInMillis())/
(1000*60*60*24);
算出 diff = 2
跨月份似乎有問題...
有時候會多一天 有時候 會少一天...
請問是我哪裡用錯嗎 ??
thx
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10/12 15:29, , 1F
10/12 15:29, 1F
→
10/12 15:30, , 2F
10/12 15:30, 2F
→
10/12 15:33, , 3F
10/12 15:33, 3F
→
10/12 23:50, , 4F
10/12 23:50, 4F