Calendar 操作时间

吴宗坡 博客 Calendar操作时间

//格式化时间

SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");

Calendar c=Calendar.getInstance();
c.set(Calendar.DAY_OF_MONTH,c.getMinimum(Calendar.DAY_OF_MONTH));
String minDate=sdf.format(c.getTime()); //当前月份的最小日期

c.set(Calendar.DAY_OF_MONTH,c.getMaximum(Calendar.DAY_OF_MONTH));
String maxDate=sdf.format(c.getTime()); //当前月份的最大日期

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获取某一日期的月份的最小时间或最大时间

SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");

Calendar c=Calendar.getInstance();

c.setTime(sdf.parse("2011-02-05"));
c.set(Calendar.DAY_OF_MONTH,c.getMinimum(Calendar.DAY_OF_MONTH));
String minDate=sdf.format(c.getTime()); //当前月份的最小日期

c.set(Calendar.DAY_OF_MONTH,c.getMaximum(Calendar.DAY_OF_MONTH));
String maxDate=sdf.format(c.getTime()); //当前月份的最大日期