日期与周

public static void main(String[] args){
//         SimpleDateFormat simple = new SimpleDateFormat("yyyy-MM-dd");
//         System.out.println(simple.format(new Date()));

     Calendar c_begin = new GregorianCalendar();
     Calendar c_end = new GregorianCalendar();
     Calendar c_d = new GregorianCalendar();
     DateFormatSymbols dfs = new DateFormatSymbols();
     String[] weeks = dfs.getWeekdays();
     c_begin.set(2010, 6, 15); //Calendar的月从0-11，所以4月是3.
     c_end.set(2010, 6, 20); //Calendar的月从0-11，所以5月是4.
     c_d.setMinimalDaysInFirstWeek(1);
     int count = 1;
     c_end.add(Calendar.DAY_OF_YEAR, 1);  //结束日期下滚一天是为了包含最后一天
//while(c_begin.after(c_d)){
//    System.out.println("第"+count+"周  日期："+new java.sql.Date(c_begin.getTime().getTime())+", "+weeks[c_begin.get(Calendar.DAY_OF_WEEK)]);
//
//      if(c_begin.get(Calendar.DAY_OF_WEEK)==Calendar.SUNDAY){
//       count++;
//      }
//      c_begin.add(Calendar.DAY_OF_YEAR, 1);
//}
     System.out.println();
         System.out.println("下");
     while(c_begin.before(c_end)){
      System.out.println("第"+count+"周  日期："+new java.sql.Date(c_begin.getTime().getTime())+", "+weeks[c_begin.get(Calendar.DAY_OF_WEEK)]);
         System.out.println(new java.sql.Date(c_begin.getTime().getTime()+1));
      if(c_begin.get(Calendar.DAY_OF_WEEK)==Calendar.SUNDAY){
       count++;
      }
      c_begin.add(Calendar.DAY_OF_YEAR, 1);
     }
}