Java 获å–指定日期所在周的第一天
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Join For Free// 获å–指定日期所在周的第一天
Calendar cal = Calendar.getInstance();
cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);//这里设置从周一开始,若需è¦æ ¹æ®ç³»ç»Ÿæ—¶åŒºè‡ªåŠ¨èŽ·å–，则采用下边的方å¼
//cal.set(Calendar.DAY_OF_WEEK, cal.getFirstDayOfWeek());//
System.out.println(cal.getTime());
测试结果
Wed Apr 29 10:24:45 CST 2009 Mon Apr 27 10:24:45 CST 2009
Thu Apr 30 10:24:45 CST 2009 Mon Apr 27 10:24:45 CST 2009
Fri May 01 10:24:45 CST 2009 Mon Apr 27 10:24:45 CST 2009
Sat May 02 10:24:45 CST 2009 Mon Apr 27 10:24:45 CST 2009
Sun May 03 10:24:45 CST 2009 Mon May 04 10:24:45 CST 2009
Mon May 04 10:24:45 CST 2009 Mon May 04 10:24:45 CST 2009
Tue May 05 10:24:45 CST 2009 Mon May 04 10:24:45 CST 2009
Wed May 06 10:24:45 CST 2009 Mon May 04 10:24:45 CST 2009
Thu May 07 10:24:45 CST 2009 Mon May 04 10:24:45 CST 2009
Fri May 08 10:24:45 CST 2009 Mon May 04 10:24:45 CST 2009
Sat May 09 10:24:45 CST 2009 Mon May 04 10:24:45 CST 2009
Java (programming language)
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