摘要：
public class DateUtils { private static Log logger = LogFactory.getLog(DateUtils.class); public static String getFirstDayOfMonth(int year, int month) { Calendar cal = Calendar.getInstance(); // 设置年份 c 阅读全文
摘要：
public class DateFormatUtils { private static Log logger = LogFactory.getLog(DateFormatUtils.class); public static String formatDate(String formater,Date date){ SimpleDateFormat formate = new SimpleDa 阅读全文