判断上班时间

comelyyyjj

package check_work;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;public class CheckIfInWork {/** * @author yj * @param args */public static void main(String[] args) throws Exception{final String state01 = "07：00之后";final String state02 = "07：00之前19：00之后";//8:00 -- 20:00final String state03 = "19：00之前";//20:00之后String str_date = "2010-06-29";//state01的日期SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");Date init_date = sdf.parse(str_date);Date today = new Date();Calendar init_c = Calendar.getInstance();init_c.setTime(init_date);Calendar today_c = Calendar.getInstance();today_c.setTime(today);int day_offset = today_c.get(Calendar.DAY_OF_YEAR)-init_c.get(Calendar.DAY_OF_YEAR);int i = day_offset%3;switch(i){case 0:System.out.println(state01);break;case 1:System.out.println(state02);break;case 2:System.out.println(state03);}}}